mirror of https://gitlab.freedesktop.org/mesa/mesa
3218 lines
102 KiB
C
3218 lines
102 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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*/
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#define WL_HIDE_DEPRECATED
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <limits.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <c11/threads.h>
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#include <time.h>
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#ifdef HAVE_LIBDRM
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#include <xf86drm.h>
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#include <drm_fourcc.h>
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#endif
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#include <GL/gl.h>
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#include <GL/internal/dri_interface.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_WAYLAND_PLATFORM
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#include "wayland-drm.h"
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#include "wayland-drm-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#endif
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#ifdef HAVE_X11_PLATFORM
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#include "X11/Xlibint.h"
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#endif
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#include "egl_dri2.h"
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#include "GL/mesa_glinterop.h"
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#include "loader/loader.h"
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#include "util/u_atomic.h"
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#include "util/u_vector.h"
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/* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
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* some of the definitions here so that building Mesa won't bleeding-edge
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* kernel headers.
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*/
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#ifndef DRM_FORMAT_R8
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#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
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#endif
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#ifndef DRM_FORMAT_RG88
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#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
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#endif
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#ifndef DRM_FORMAT_GR88
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#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
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#endif
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#ifndef DRM_FORMAT_R16
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#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R 16 little endian */
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#endif
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#ifndef DRM_FORMAT_GR1616
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#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] R:G 16:16 little endian */
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#endif
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#ifndef DRM_FORMAT_MOD_INVALID
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#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
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#endif
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static void
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dri_set_background_context(void *loaderPrivate)
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{
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_EGLContext *ctx = _eglGetCurrentContext();
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_EGLThreadInfo *t = _eglGetCurrentThread();
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_eglBindContextToThread(ctx, t);
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}
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static GLboolean
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dri_is_thread_safe(void *loaderPrivate)
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{
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struct dri2_egl_surface *dri2_surf = loaderPrivate;
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_EGLDisplay *display = dri2_surf->base.Resource.Display;
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#ifdef HAVE_X11_PLATFORM
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Display *xdpy = (Display*)display->PlatformDisplay;
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/* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
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* platform
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*
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* 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
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* It wll be NULL if XInitThreads wasn't called.
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*/
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if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns)
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return false;
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#endif
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#ifdef HAVE_WAYLAND_PLATFORM
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if (display->Platform == _EGL_PLATFORM_WAYLAND)
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return true;
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#endif
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return true;
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}
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const __DRIbackgroundCallableExtension background_callable_extension = {
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.base = { __DRI_BACKGROUND_CALLABLE, 2 },
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.setBackgroundContext = dri_set_background_context,
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.isThreadSafe = dri_is_thread_safe,
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};
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const __DRIuseInvalidateExtension use_invalidate = {
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.base = { __DRI_USE_INVALIDATE, 1 }
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};
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static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
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[__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
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[__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
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[__DRI_ATTRIB_RED_SIZE] = EGL_RED_SIZE,
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[__DRI_ATTRIB_GREEN_SIZE] = EGL_GREEN_SIZE,
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[__DRI_ATTRIB_BLUE_SIZE] = EGL_BLUE_SIZE,
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[__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
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[__DRI_ATTRIB_ALPHA_SIZE] = EGL_ALPHA_SIZE,
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[__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
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[__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
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[__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
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[__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
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[__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
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[__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
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[__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
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[__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
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[__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
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[__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
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};
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const __DRIconfig *
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dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
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EGLenum colorspace)
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{
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const bool double_buffer = surface_type == EGL_WINDOW_BIT;
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const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
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return conf->dri_config[double_buffer][srgb];
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}
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static EGLBoolean
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dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
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{
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if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
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return EGL_FALSE;
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if (!_eglMatchConfig(conf, criteria))
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return EGL_FALSE;
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return EGL_TRUE;
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}
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struct dri2_egl_config *
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dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
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EGLint surface_type, const EGLint *attr_list,
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const unsigned int *rgba_masks)
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{
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struct dri2_egl_config *conf;
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struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
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_EGLConfig base;
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unsigned int attrib, value, double_buffer;
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bool srgb = false;
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EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
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unsigned int dri_masks[4] = { 0, 0, 0, 0 };
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_EGLConfig *matching_config;
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EGLint num_configs = 0;
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EGLint config_id;
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_eglInitConfig(&base, disp, id);
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double_buffer = 0;
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bind_to_texture_rgb = 0;
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bind_to_texture_rgba = 0;
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for (int i = 0; dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib,
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&value); ++i) {
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switch (attrib) {
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case __DRI_ATTRIB_RENDER_TYPE:
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if (value & __DRI_ATTRIB_RGBA_BIT)
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value = EGL_RGB_BUFFER;
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else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
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value = EGL_LUMINANCE_BUFFER;
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else
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return NULL;
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_eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
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break;
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case __DRI_ATTRIB_CONFIG_CAVEAT:
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if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
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value = EGL_NON_CONFORMANT_CONFIG;
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else if (value & __DRI_ATTRIB_SLOW_BIT)
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value = EGL_SLOW_CONFIG;
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else
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value = EGL_NONE;
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_eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
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break;
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case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
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bind_to_texture_rgb = value;
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break;
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case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
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bind_to_texture_rgba = value;
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break;
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case __DRI_ATTRIB_DOUBLE_BUFFER:
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double_buffer = value;
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break;
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case __DRI_ATTRIB_RED_MASK:
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dri_masks[0] = value;
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break;
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case __DRI_ATTRIB_GREEN_MASK:
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dri_masks[1] = value;
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break;
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case __DRI_ATTRIB_BLUE_MASK:
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dri_masks[2] = value;
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break;
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case __DRI_ATTRIB_ALPHA_MASK:
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dri_masks[3] = value;
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break;
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case __DRI_ATTRIB_ACCUM_RED_SIZE:
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case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
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case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
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case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
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/* Don't expose visuals with the accumulation buffer. */
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if (value > 0)
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return NULL;
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break;
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case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
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srgb = value != 0;
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if (!disp->Extensions.KHR_gl_colorspace && srgb)
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return NULL;
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break;
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case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
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_eglSetConfigKey(&base, EGL_MAX_PBUFFER_WIDTH,
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_EGL_MAX_PBUFFER_WIDTH);
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break;
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case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
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_eglSetConfigKey(&base, EGL_MAX_PBUFFER_HEIGHT,
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_EGL_MAX_PBUFFER_HEIGHT);
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break;
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default:
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key = dri2_to_egl_attribute_map[attrib];
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if (key != 0)
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_eglSetConfigKey(&base, key, value);
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break;
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}
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}
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if (attr_list)
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for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
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_eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
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if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
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return NULL;
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base.NativeRenderable = EGL_TRUE;
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base.SurfaceType = surface_type;
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if (surface_type & (EGL_PBUFFER_BIT |
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(disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
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base.BindToTextureRGB = bind_to_texture_rgb;
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if (base.AlphaSize > 0)
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base.BindToTextureRGBA = bind_to_texture_rgba;
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}
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base.RenderableType = disp->ClientAPIs;
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base.Conformant = disp->ClientAPIs;
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base.MinSwapInterval = dri2_dpy->min_swap_interval;
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base.MaxSwapInterval = dri2_dpy->max_swap_interval;
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if (!_eglValidateConfig(&base, EGL_FALSE)) {
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_eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
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return NULL;
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}
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config_id = base.ConfigID;
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base.ConfigID = EGL_DONT_CARE;
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base.SurfaceType = EGL_DONT_CARE;
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num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
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(_EGLArrayForEach) dri2_match_config, &base);
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if (num_configs == 1) {
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conf = (struct dri2_egl_config *) matching_config;
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if (!conf->dri_config[double_buffer][srgb])
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conf->dri_config[double_buffer][srgb] = dri_config;
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else
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/* a similar config type is already added (unlikely) => discard */
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return NULL;
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}
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else if (num_configs == 0) {
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conf = calloc(1, sizeof *conf);
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if (conf == NULL)
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return NULL;
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conf->dri_config[double_buffer][srgb] = dri_config;
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memcpy(&conf->base, &base, sizeof base);
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conf->base.SurfaceType = 0;
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conf->base.ConfigID = config_id;
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_eglLinkConfig(&conf->base);
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}
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else {
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assert(0);
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return NULL;
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}
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if (double_buffer) {
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surface_type &= ~EGL_PIXMAP_BIT;
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}
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/* No support for pbuffer + MSAA for now.
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*
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* XXX TODO: pbuffer + MSAA does not work and causes crashes.
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* See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
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*/
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if (base.Samples) {
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surface_type &= ~EGL_PBUFFER_BIT;
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}
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conf->base.SurfaceType |= surface_type;
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return conf;
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}
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__DRIimage *
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dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
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{
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_EGLDisplay *disp = data;
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struct dri2_egl_image *dri2_img;
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_EGLImage *img;
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(void) screen;
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img = _eglLookupImage(image, disp);
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if (img == NULL) {
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_eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
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return NULL;
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}
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dri2_img = dri2_egl_image(image);
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return dri2_img->dri_image;
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}
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const __DRIimageLookupExtension image_lookup_extension = {
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.base = { __DRI_IMAGE_LOOKUP, 1 },
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.lookupEGLImage = dri2_lookup_egl_image
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};
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struct dri2_extension_match {
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const char *name;
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int version;
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int offset;
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};
|
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static const struct dri2_extension_match dri3_driver_extensions[] = {
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{ __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
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{ __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
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{ NULL, 0, 0 }
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};
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static const struct dri2_extension_match dri2_driver_extensions[] = {
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{ __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
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{ __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
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{ NULL, 0, 0 }
|
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};
|
||
|
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static const struct dri2_extension_match dri2_core_extensions[] = {
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{ __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
|
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{ __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
|
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{ __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
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{ NULL, 0, 0 }
|
||
};
|
||
|
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static const struct dri2_extension_match swrast_driver_extensions[] = {
|
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{ __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
|
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{ __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
|
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{ NULL, 0, 0 }
|
||
};
|
||
|
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static const struct dri2_extension_match swrast_core_extensions[] = {
|
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{ __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
|
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{ NULL, 0, 0 }
|
||
};
|
||
|
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static const struct dri2_extension_match optional_core_extensions[] = {
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{ __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
|
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{ __DRI2_NO_ERROR, 1, offsetof(struct dri2_egl_display, no_error) },
|
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{ __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
|
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{ __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
|
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{ __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
|
||
{ __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
|
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{ __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
|
||
{ NULL, 0, 0 }
|
||
};
|
||
|
||
static EGLBoolean
|
||
dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
|
||
const struct dri2_extension_match *matches,
|
||
const __DRIextension **extensions,
|
||
bool optional)
|
||
{
|
||
int ret = EGL_TRUE;
|
||
void *field;
|
||
|
||
for (int i = 0; extensions[i]; i++) {
|
||
_eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
|
||
for (int j = 0; matches[j].name; j++) {
|
||
if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
|
||
extensions[i]->version >= matches[j].version) {
|
||
field = ((char *) dri2_dpy + matches[j].offset);
|
||
*(const __DRIextension **) field = extensions[i];
|
||
_eglLog(_EGL_INFO, "found extension %s version %d",
|
||
extensions[i]->name, extensions[i]->version);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
for (int j = 0; matches[j].name; j++) {
|
||
field = ((char *) dri2_dpy + matches[j].offset);
|
||
if (*(const __DRIextension **) field == NULL) {
|
||
if (optional) {
|
||
_eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
|
||
matches[j].name, matches[j].version);
|
||
} else {
|
||
_eglLog(_EGL_WARNING, "did not find extension %s version %d",
|
||
matches[j].name, matches[j].version);
|
||
ret = EGL_FALSE;
|
||
}
|
||
}
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
static const __DRIextension **
|
||
dri2_open_driver(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const __DRIextension **extensions = NULL;
|
||
char path[PATH_MAX], *search_paths, *next, *end;
|
||
char *get_extensions_name;
|
||
const __DRIextension **(*get_extensions)(void);
|
||
|
||
search_paths = NULL;
|
||
if (geteuid() == getuid()) {
|
||
/* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
|
||
search_paths = getenv("LIBGL_DRIVERS_PATH");
|
||
}
|
||
if (search_paths == NULL)
|
||
search_paths = DEFAULT_DRIVER_DIR;
|
||
|
||
dri2_dpy->driver = NULL;
|
||
end = search_paths + strlen(search_paths);
|
||
for (char *p = search_paths; p < end; p = next + 1) {
|
||
int len;
|
||
next = strchr(p, ':');
|
||
if (next == NULL)
|
||
next = end;
|
||
|
||
len = next - p;
|
||
#if GLX_USE_TLS
|
||
snprintf(path, sizeof path,
|
||
"%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
|
||
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
|
||
#endif
|
||
if (dri2_dpy->driver == NULL) {
|
||
snprintf(path, sizeof path,
|
||
"%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
|
||
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
|
||
if (dri2_dpy->driver == NULL)
|
||
_eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
|
||
}
|
||
/* not need continue to loop all paths once the driver is found */
|
||
if (dri2_dpy->driver != NULL)
|
||
break;
|
||
}
|
||
|
||
if (dri2_dpy->driver == NULL) {
|
||
_eglLog(_EGL_WARNING,
|
||
"DRI2: failed to open %s (search paths %s)",
|
||
dri2_dpy->driver_name, search_paths);
|
||
return NULL;
|
||
}
|
||
|
||
_eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
|
||
|
||
get_extensions_name = loader_get_extensions_name(dri2_dpy->driver_name);
|
||
if (get_extensions_name) {
|
||
get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
|
||
if (get_extensions) {
|
||
extensions = get_extensions();
|
||
} else {
|
||
_eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
|
||
get_extensions_name, dlerror());
|
||
}
|
||
free(get_extensions_name);
|
||
}
|
||
|
||
if (!extensions)
|
||
extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
|
||
if (extensions == NULL) {
|
||
_eglLog(_EGL_WARNING,
|
||
"DRI2: driver exports no extensions (%s)", dlerror());
|
||
dlclose(dri2_dpy->driver);
|
||
}
|
||
|
||
return extensions;
|
||
}
|
||
|
||
EGLBoolean
|
||
dri2_load_driver_dri3(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const __DRIextension **extensions;
|
||
|
||
extensions = dri2_open_driver(disp);
|
||
if (!extensions)
|
||
return EGL_FALSE;
|
||
|
||
if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions, false)) {
|
||
dlclose(dri2_dpy->driver);
|
||
return EGL_FALSE;
|
||
}
|
||
dri2_dpy->driver_extensions = extensions;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
EGLBoolean
|
||
dri2_load_driver(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const __DRIextension **extensions;
|
||
|
||
extensions = dri2_open_driver(disp);
|
||
if (!extensions)
|
||
return EGL_FALSE;
|
||
|
||
if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions, false)) {
|
||
dlclose(dri2_dpy->driver);
|
||
return EGL_FALSE;
|
||
}
|
||
dri2_dpy->driver_extensions = extensions;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
EGLBoolean
|
||
dri2_load_driver_swrast(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const __DRIextension **extensions;
|
||
|
||
extensions = dri2_open_driver(disp);
|
||
if (!extensions)
|
||
return EGL_FALSE;
|
||
|
||
if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions, false)) {
|
||
dlclose(dri2_dpy->driver);
|
||
return EGL_FALSE;
|
||
}
|
||
dri2_dpy->driver_extensions = extensions;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static unsigned
|
||
dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
|
||
{
|
||
const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
|
||
unsigned int value = 0;
|
||
|
||
if (!rendererQuery ||
|
||
rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
|
||
return 0;
|
||
|
||
return value;
|
||
}
|
||
|
||
void
|
||
dri2_setup_screen(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
unsigned int api_mask;
|
||
|
||
if (dri2_dpy->image_driver) {
|
||
api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
|
||
} else if (dri2_dpy->dri2) {
|
||
api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
|
||
} else {
|
||
assert(dri2_dpy->swrast);
|
||
api_mask = 1 << __DRI_API_OPENGL |
|
||
1 << __DRI_API_GLES |
|
||
1 << __DRI_API_GLES2 |
|
||
1 << __DRI_API_GLES3;
|
||
}
|
||
|
||
disp->ClientAPIs = 0;
|
||
if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
|
||
disp->ClientAPIs |= EGL_OPENGL_BIT;
|
||
if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
|
||
disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
|
||
if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
|
||
disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
|
||
if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
|
||
disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
|
||
|
||
assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
|
||
disp->Extensions.KHR_no_config_context = EGL_TRUE;
|
||
disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
|
||
|
||
if (dri2_renderer_query_integer(dri2_dpy,
|
||
__DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
|
||
disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
|
||
|
||
if (dri2_dpy->image_driver ||
|
||
(dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
|
||
(dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
|
||
disp->Extensions.KHR_create_context = EGL_TRUE;
|
||
|
||
if (dri2_dpy->robustness)
|
||
disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
|
||
}
|
||
|
||
if (dri2_dpy->no_error)
|
||
disp->Extensions.KHR_create_context_no_error = EGL_TRUE;
|
||
|
||
if (dri2_dpy->fence) {
|
||
disp->Extensions.KHR_fence_sync = EGL_TRUE;
|
||
disp->Extensions.KHR_wait_sync = EGL_TRUE;
|
||
if (dri2_dpy->fence->get_fence_from_cl_event)
|
||
disp->Extensions.KHR_cl_event2 = EGL_TRUE;
|
||
if (dri2_dpy->fence->base.version >= 2) {
|
||
unsigned capabilities =
|
||
dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
|
||
disp->Extensions.ANDROID_native_fence_sync =
|
||
(capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
|
||
}
|
||
}
|
||
|
||
disp->Extensions.KHR_reusable_sync = EGL_TRUE;
|
||
|
||
if (dri2_dpy->image) {
|
||
if (dri2_dpy->image->base.version >= 10 &&
|
||
dri2_dpy->image->getCapabilities != NULL) {
|
||
int capabilities;
|
||
|
||
capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
|
||
disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
|
||
|
||
if (dri2_dpy->image->base.version >= 11)
|
||
disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
|
||
} else {
|
||
disp->Extensions.MESA_drm_image = EGL_TRUE;
|
||
if (dri2_dpy->image->base.version >= 11)
|
||
disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
|
||
}
|
||
|
||
disp->Extensions.KHR_image_base = EGL_TRUE;
|
||
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
|
||
if (dri2_dpy->image->base.version >= 5 &&
|
||
dri2_dpy->image->createImageFromTexture) {
|
||
disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
|
||
disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
|
||
|
||
if (dri2_renderer_query_integer(dri2_dpy,
|
||
__DRI2_RENDERER_HAS_TEXTURE_3D))
|
||
disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
|
||
}
|
||
#ifdef HAVE_LIBDRM
|
||
if (dri2_dpy->image->base.version >= 8 &&
|
||
dri2_dpy->image->createImageFromDmaBufs) {
|
||
disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
|
||
}
|
||
if (dri2_dpy->image->base.version >= 15 &&
|
||
dri2_dpy->image->createImageFromDmaBufs2 &&
|
||
dri2_dpy->image->queryDmaBufFormats &&
|
||
dri2_dpy->image->queryDmaBufModifiers) {
|
||
disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE;
|
||
}
|
||
#endif
|
||
}
|
||
}
|
||
|
||
void
|
||
dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
|
||
|
||
/* Allow driconf to override applications.*/
|
||
if (dri2_dpy->config)
|
||
dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
|
||
"vblank_mode", &vblank_mode);
|
||
switch (vblank_mode) {
|
||
case DRI_CONF_VBLANK_NEVER:
|
||
dri2_dpy->min_swap_interval = 0;
|
||
dri2_dpy->max_swap_interval = 0;
|
||
dri2_dpy->default_swap_interval = 0;
|
||
break;
|
||
case DRI_CONF_VBLANK_ALWAYS_SYNC:
|
||
dri2_dpy->min_swap_interval = 1;
|
||
dri2_dpy->max_swap_interval = max_swap_interval;
|
||
dri2_dpy->default_swap_interval = 1;
|
||
break;
|
||
case DRI_CONF_VBLANK_DEF_INTERVAL_0:
|
||
dri2_dpy->min_swap_interval = 0;
|
||
dri2_dpy->max_swap_interval = max_swap_interval;
|
||
dri2_dpy->default_swap_interval = 0;
|
||
break;
|
||
default:
|
||
case DRI_CONF_VBLANK_DEF_INTERVAL_1:
|
||
dri2_dpy->min_swap_interval = 0;
|
||
dri2_dpy->max_swap_interval = max_swap_interval;
|
||
dri2_dpy->default_swap_interval = 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* All platforms but DRM call this function to create the screen and populate
|
||
* the driver_configs. DRM inherits that information from its display - GBM.
|
||
*/
|
||
EGLBoolean
|
||
dri2_create_screen(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
if (dri2_dpy->image_driver) {
|
||
dri2_dpy->dri_screen =
|
||
dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
|
||
dri2_dpy->loader_extensions,
|
||
dri2_dpy->driver_extensions,
|
||
&dri2_dpy->driver_configs,
|
||
disp);
|
||
} else if (dri2_dpy->dri2) {
|
||
if (dri2_dpy->dri2->base.version >= 4) {
|
||
dri2_dpy->dri_screen =
|
||
dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
|
||
dri2_dpy->loader_extensions,
|
||
dri2_dpy->driver_extensions,
|
||
&dri2_dpy->driver_configs, disp);
|
||
} else {
|
||
dri2_dpy->dri_screen =
|
||
dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
|
||
dri2_dpy->loader_extensions,
|
||
&dri2_dpy->driver_configs, disp);
|
||
}
|
||
} else {
|
||
assert(dri2_dpy->swrast);
|
||
if (dri2_dpy->swrast->base.version >= 4) {
|
||
dri2_dpy->dri_screen =
|
||
dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
|
||
dri2_dpy->driver_extensions,
|
||
&dri2_dpy->driver_configs, disp);
|
||
} else {
|
||
dri2_dpy->dri_screen =
|
||
dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
|
||
&dri2_dpy->driver_configs, disp);
|
||
}
|
||
}
|
||
|
||
if (dri2_dpy->dri_screen == NULL) {
|
||
_eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
dri2_dpy->own_dri_screen = true;
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
EGLBoolean
|
||
dri2_setup_extensions(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const struct dri2_extension_match *mandatory_core_extensions;
|
||
const __DRIextension **extensions;
|
||
|
||
extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
|
||
|
||
if (dri2_dpy->image_driver || dri2_dpy->dri2)
|
||
mandatory_core_extensions = dri2_core_extensions;
|
||
else
|
||
mandatory_core_extensions = swrast_core_extensions;
|
||
|
||
if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
|
||
return EGL_FALSE;
|
||
|
||
dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/**
|
||
* Called via eglInitialize(), GLX_drv->API.Initialize().
|
||
*
|
||
* This must be guaranteed to be called exactly once, even if eglInitialize is
|
||
* called many times (without a eglTerminate in between).
|
||
*/
|
||
static EGLBoolean
|
||
dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
|
||
{
|
||
EGLBoolean ret = EGL_FALSE;
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
/* In the case where the application calls eglMakeCurrent(context1),
|
||
* eglTerminate, then eglInitialize again (without a call to eglReleaseThread
|
||
* or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
|
||
* initialized, as we need it to be able to free context1 correctly.
|
||
*
|
||
* It would probably be safest to forcibly release the display with
|
||
* dri2_display_release, to make sure the display is reinitialized correctly.
|
||
* However, the EGL spec states that we need to keep a reference to the
|
||
* current context (so we cannot call dri2_make_current(NULL)), and therefore
|
||
* we would leak context1 as we would be missing the old display connection
|
||
* to free it up correctly.
|
||
*/
|
||
if (dri2_dpy) {
|
||
dri2_dpy->ref_count++;
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/* not until swrast_dri is supported */
|
||
if (disp->Options.UseFallback)
|
||
return EGL_FALSE;
|
||
|
||
/* Nothing to initialize for a test only display */
|
||
if (disp->Options.TestOnly)
|
||
return EGL_TRUE;
|
||
|
||
switch (disp->Platform) {
|
||
#ifdef HAVE_SURFACELESS_PLATFORM
|
||
case _EGL_PLATFORM_SURFACELESS:
|
||
ret = dri2_initialize_surfaceless(drv, disp);
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_X11_PLATFORM
|
||
case _EGL_PLATFORM_X11:
|
||
ret = dri2_initialize_x11(drv, disp);
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_DRM_PLATFORM
|
||
case _EGL_PLATFORM_DRM:
|
||
ret = dri2_initialize_drm(drv, disp);
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
case _EGL_PLATFORM_WAYLAND:
|
||
ret = dri2_initialize_wayland(drv, disp);
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_ANDROID_PLATFORM
|
||
case _EGL_PLATFORM_ANDROID:
|
||
ret = dri2_initialize_android(drv, disp);
|
||
break;
|
||
#endif
|
||
default:
|
||
_eglLog(_EGL_WARNING, "No EGL platform enabled.");
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
if (ret) {
|
||
dri2_dpy = dri2_egl_display(disp);
|
||
|
||
if (!dri2_dpy) {
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
dri2_dpy->ref_count++;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* Decrement display reference count, and free up display if necessary.
|
||
*/
|
||
static void
|
||
dri2_display_release(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy;
|
||
|
||
if (!disp)
|
||
return;
|
||
|
||
dri2_dpy = dri2_egl_display(disp);
|
||
|
||
assert(dri2_dpy->ref_count > 0);
|
||
dri2_dpy->ref_count--;
|
||
|
||
if (dri2_dpy->ref_count > 0)
|
||
return;
|
||
|
||
_eglCleanupDisplay(disp);
|
||
dri2_display_destroy(disp);
|
||
}
|
||
|
||
void
|
||
dri2_display_destroy(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
if (dri2_dpy->own_dri_screen) {
|
||
if (dri2_dpy->vtbl->close_screen_notify)
|
||
dri2_dpy->vtbl->close_screen_notify(disp);
|
||
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
|
||
}
|
||
if (dri2_dpy->fd >= 0)
|
||
close(dri2_dpy->fd);
|
||
if (dri2_dpy->driver)
|
||
dlclose(dri2_dpy->driver);
|
||
free(dri2_dpy->driver_name);
|
||
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
free(dri2_dpy->device_name);
|
||
#endif
|
||
|
||
switch (disp->Platform) {
|
||
#ifdef HAVE_X11_PLATFORM
|
||
case _EGL_PLATFORM_X11:
|
||
if (dri2_dpy->own_device) {
|
||
xcb_disconnect(dri2_dpy->conn);
|
||
}
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_DRM_PLATFORM
|
||
case _EGL_PLATFORM_DRM:
|
||
if (dri2_dpy->own_device) {
|
||
gbm_device_destroy(&dri2_dpy->gbm_dri->base);
|
||
}
|
||
break;
|
||
#endif
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
case _EGL_PLATFORM_WAYLAND:
|
||
if (dri2_dpy->wl_drm)
|
||
wl_drm_destroy(dri2_dpy->wl_drm);
|
||
if (dri2_dpy->wl_dmabuf)
|
||
zwp_linux_dmabuf_v1_destroy(dri2_dpy->wl_dmabuf);
|
||
if (dri2_dpy->wl_shm)
|
||
wl_shm_destroy(dri2_dpy->wl_shm);
|
||
wl_registry_destroy(dri2_dpy->wl_registry);
|
||
wl_event_queue_destroy(dri2_dpy->wl_queue);
|
||
wl_proxy_wrapper_destroy(dri2_dpy->wl_dpy_wrapper);
|
||
u_vector_finish(&dri2_dpy->wl_modifiers.argb8888);
|
||
u_vector_finish(&dri2_dpy->wl_modifiers.xrgb8888);
|
||
u_vector_finish(&dri2_dpy->wl_modifiers.rgb565);
|
||
if (dri2_dpy->own_device) {
|
||
wl_display_disconnect(dri2_dpy->wl_dpy);
|
||
}
|
||
break;
|
||
#endif
|
||
default:
|
||
break;
|
||
}
|
||
|
||
/* The drm platform does not create the screen/driver_configs but reuses
|
||
* the ones from the gbm device. As such the gbm itself is responsible
|
||
* for the cleanup.
|
||
*/
|
||
if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
|
||
for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++)
|
||
free((__DRIconfig *) dri2_dpy->driver_configs[i]);
|
||
free(dri2_dpy->driver_configs);
|
||
}
|
||
free(dri2_dpy);
|
||
disp->DriverData = NULL;
|
||
}
|
||
|
||
__DRIbuffer *
|
||
dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
|
||
unsigned int att, unsigned int format)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
|
||
return NULL;
|
||
|
||
if (!dri2_surf->local_buffers[att]) {
|
||
dri2_surf->local_buffers[att] =
|
||
dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
|
||
dri2_surf->base.Width, dri2_surf->base.Height);
|
||
}
|
||
|
||
return dri2_surf->local_buffers[att];
|
||
}
|
||
|
||
void
|
||
dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
|
||
if (dri2_surf->local_buffers[i]) {
|
||
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
|
||
dri2_surf->local_buffers[i]);
|
||
dri2_surf->local_buffers[i] = NULL;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Called via eglTerminate(), drv->API.Terminate().
|
||
*
|
||
* This must be guaranteed to be called exactly once, even if eglTerminate is
|
||
* called many times (without a eglInitialize in between).
|
||
*/
|
||
static EGLBoolean
|
||
dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
|
||
{
|
||
/* Release all non-current Context/Surfaces. */
|
||
_eglReleaseDisplayResources(drv, disp);
|
||
|
||
dri2_display_release(disp);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/**
|
||
* Set the error code after a call to
|
||
* dri2_egl_display::dri2::createContextAttribs.
|
||
*/
|
||
static void
|
||
dri2_create_context_attribs_error(int dri_error)
|
||
{
|
||
EGLint egl_error;
|
||
|
||
switch (dri_error) {
|
||
case __DRI_CTX_ERROR_SUCCESS:
|
||
return;
|
||
|
||
case __DRI_CTX_ERROR_NO_MEMORY:
|
||
egl_error = EGL_BAD_ALLOC;
|
||
break;
|
||
|
||
/* From the EGL_KHR_create_context spec, section "Errors":
|
||
*
|
||
* * If <config> does not support a client API context compatible
|
||
* with the requested API major and minor version, [...] context flags,
|
||
* and context reset notification behavior (for client API types where
|
||
* these attributes are supported), then an EGL_BAD_MATCH error is
|
||
* generated.
|
||
*
|
||
* * If an OpenGL ES context is requested and the values for
|
||
* attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
|
||
* EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
|
||
* is not defined, than an EGL_BAD_MATCH error is generated.
|
||
*
|
||
* * If an OpenGL context is requested, the requested version is
|
||
* greater than 3.2, and the value for attribute
|
||
* EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
|
||
* bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
|
||
* EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
|
||
* one of these bits set; or if the implementation does not support
|
||
* the requested profile, then an EGL_BAD_MATCH error is generated.
|
||
*/
|
||
case __DRI_CTX_ERROR_BAD_API:
|
||
case __DRI_CTX_ERROR_BAD_VERSION:
|
||
case __DRI_CTX_ERROR_BAD_FLAG:
|
||
egl_error = EGL_BAD_MATCH;
|
||
break;
|
||
|
||
/* From the EGL_KHR_create_context spec, section "Errors":
|
||
*
|
||
* * If an attribute name or attribute value in <attrib_list> is not
|
||
* recognized (including unrecognized bits in bitmask attributes),
|
||
* then an EGL_BAD_ATTRIBUTE error is generated."
|
||
*/
|
||
case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
|
||
case __DRI_CTX_ERROR_UNKNOWN_FLAG:
|
||
egl_error = EGL_BAD_ATTRIBUTE;
|
||
break;
|
||
|
||
default:
|
||
assert(0);
|
||
egl_error = EGL_BAD_MATCH;
|
||
break;
|
||
}
|
||
|
||
_eglError(egl_error, "dri2_create_context");
|
||
}
|
||
|
||
static bool
|
||
dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
|
||
struct dri2_egl_display *dri2_dpy,
|
||
uint32_t *ctx_attribs,
|
||
unsigned *num_attribs)
|
||
{
|
||
int pos = 0;
|
||
|
||
assert(*num_attribs >= 8);
|
||
|
||
ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
|
||
ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
|
||
ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
|
||
ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
|
||
|
||
if (dri2_ctx->base.Flags != 0 || dri2_ctx->base.NoError) {
|
||
/* If the implementation doesn't support the __DRI2_ROBUSTNESS
|
||
* extension, don't even try to send it the robust-access flag.
|
||
* It may explode. Instead, generate the required EGL error here.
|
||
*/
|
||
if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
|
||
&& !dri2_dpy->robustness) {
|
||
_eglError(EGL_BAD_MATCH, "eglCreateContext");
|
||
return false;
|
||
}
|
||
|
||
ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
|
||
ctx_attribs[pos++] = dri2_ctx->base.Flags |
|
||
(dri2_ctx->base.NoError ? __DRI_CTX_FLAG_NO_ERROR : 0);
|
||
}
|
||
|
||
if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
|
||
/* If the implementation doesn't support the __DRI2_ROBUSTNESS
|
||
* extension, don't even try to send it a reset strategy. It may
|
||
* explode. Instead, generate the required EGL error here.
|
||
*/
|
||
if (!dri2_dpy->robustness) {
|
||
_eglError(EGL_BAD_CONFIG, "eglCreateContext");
|
||
return false;
|
||
}
|
||
|
||
ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
|
||
ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
|
||
}
|
||
|
||
*num_attribs = pos;
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Called via eglCreateContext(), drv->API.CreateContext().
|
||
*/
|
||
static _EGLContext *
|
||
dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
|
||
_EGLContext *share_list, const EGLint *attrib_list)
|
||
{
|
||
struct dri2_egl_context *dri2_ctx;
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
|
||
__DRIcontext *shared =
|
||
dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
|
||
struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
|
||
const __DRIconfig *dri_config;
|
||
int api;
|
||
|
||
(void) drv;
|
||
|
||
dri2_ctx = malloc(sizeof *dri2_ctx);
|
||
if (!dri2_ctx) {
|
||
_eglError(EGL_BAD_ALLOC, "eglCreateContext");
|
||
return NULL;
|
||
}
|
||
|
||
if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
|
||
goto cleanup;
|
||
|
||
/* The EGL_EXT_create_context_robustness spec says:
|
||
*
|
||
* "Add to the eglCreateContext context creation errors: [...]
|
||
*
|
||
* * If the reset notification behavior of <share_context> and the
|
||
* newly created context are different then an EGL_BAD_MATCH error is
|
||
* generated."
|
||
*/
|
||
if (share_list && share_list->ResetNotificationStrategy !=
|
||
dri2_ctx->base.ResetNotificationStrategy) {
|
||
_eglError(EGL_BAD_MATCH, "eglCreateContext");
|
||
goto cleanup;
|
||
}
|
||
|
||
/* The EGL_KHR_create_context_no_error spec says:
|
||
*
|
||
* "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR
|
||
* used to create <share_context> does not match the value of
|
||
* EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created."
|
||
*/
|
||
if (share_list && share_list->NoError != dri2_ctx->base.NoError) {
|
||
_eglError(EGL_BAD_MATCH, "eglCreateContext");
|
||
goto cleanup;
|
||
}
|
||
|
||
switch (dri2_ctx->base.ClientAPI) {
|
||
case EGL_OPENGL_ES_API:
|
||
switch (dri2_ctx->base.ClientMajorVersion) {
|
||
case 1:
|
||
api = __DRI_API_GLES;
|
||
break;
|
||
case 2:
|
||
api = __DRI_API_GLES2;
|
||
break;
|
||
case 3:
|
||
api = __DRI_API_GLES3;
|
||
break;
|
||
default:
|
||
_eglError(EGL_BAD_PARAMETER, "eglCreateContext");
|
||
free(dri2_ctx);
|
||
return NULL;
|
||
}
|
||
break;
|
||
case EGL_OPENGL_API:
|
||
if ((dri2_ctx->base.ClientMajorVersion >= 4
|
||
|| (dri2_ctx->base.ClientMajorVersion == 3
|
||
&& dri2_ctx->base.ClientMinorVersion >= 2))
|
||
&& dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
|
||
api = __DRI_API_OPENGL_CORE;
|
||
else
|
||
api = __DRI_API_OPENGL;
|
||
break;
|
||
default:
|
||
_eglError(EGL_BAD_PARAMETER, "eglCreateContext");
|
||
free(dri2_ctx);
|
||
return NULL;
|
||
}
|
||
|
||
if (conf != NULL) {
|
||
/* The config chosen here isn't necessarily
|
||
* used for surfaces later.
|
||
* A pixmap surface will use the single config.
|
||
* This opportunity depends on disabling the
|
||
* doubleBufferMode check in
|
||
* src/mesa/main/context.c:check_compatible()
|
||
*/
|
||
if (dri2_config->dri_config[1][0])
|
||
dri_config = dri2_config->dri_config[1][0];
|
||
else
|
||
dri_config = dri2_config->dri_config[0][0];
|
||
|
||
/* EGL_WINDOW_BIT is set only when there is a double-buffered dri_config.
|
||
* This makes sure the back buffer will always be used.
|
||
*/
|
||
if (conf->SurfaceType & EGL_WINDOW_BIT)
|
||
dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
|
||
}
|
||
else
|
||
dri_config = NULL;
|
||
|
||
if (dri2_dpy->image_driver) {
|
||
unsigned error;
|
||
unsigned num_attribs = 8;
|
||
uint32_t ctx_attribs[8];
|
||
|
||
if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
|
||
&num_attribs))
|
||
goto cleanup;
|
||
|
||
dri2_ctx->dri_context =
|
||
dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
|
||
api,
|
||
dri_config,
|
||
shared,
|
||
num_attribs / 2,
|
||
ctx_attribs,
|
||
& error,
|
||
dri2_ctx);
|
||
dri2_create_context_attribs_error(error);
|
||
} else if (dri2_dpy->dri2) {
|
||
if (dri2_dpy->dri2->base.version >= 3) {
|
||
unsigned error;
|
||
unsigned num_attribs = 8;
|
||
uint32_t ctx_attribs[8];
|
||
|
||
if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
|
||
&num_attribs))
|
||
goto cleanup;
|
||
|
||
dri2_ctx->dri_context =
|
||
dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
|
||
api,
|
||
dri_config,
|
||
shared,
|
||
num_attribs / 2,
|
||
ctx_attribs,
|
||
& error,
|
||
dri2_ctx);
|
||
dri2_create_context_attribs_error(error);
|
||
} else {
|
||
dri2_ctx->dri_context =
|
||
dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
|
||
api,
|
||
dri_config,
|
||
shared,
|
||
dri2_ctx);
|
||
}
|
||
} else {
|
||
assert(dri2_dpy->swrast);
|
||
if (dri2_dpy->swrast->base.version >= 3) {
|
||
unsigned error;
|
||
unsigned num_attribs = 8;
|
||
uint32_t ctx_attribs[8];
|
||
|
||
if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
|
||
&num_attribs))
|
||
goto cleanup;
|
||
|
||
dri2_ctx->dri_context =
|
||
dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
|
||
api,
|
||
dri_config,
|
||
shared,
|
||
num_attribs / 2,
|
||
ctx_attribs,
|
||
& error,
|
||
dri2_ctx);
|
||
dri2_create_context_attribs_error(error);
|
||
} else {
|
||
dri2_ctx->dri_context =
|
||
dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
|
||
api,
|
||
dri_config,
|
||
shared,
|
||
dri2_ctx);
|
||
}
|
||
}
|
||
|
||
if (!dri2_ctx->dri_context)
|
||
goto cleanup;
|
||
|
||
return &dri2_ctx->base;
|
||
|
||
cleanup:
|
||
free(dri2_ctx);
|
||
return NULL;
|
||
}
|
||
|
||
/**
|
||
* Called via eglDestroyContext(), drv->API.DestroyContext().
|
||
*/
|
||
static EGLBoolean
|
||
dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
|
||
{
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
if (_eglPutContext(ctx)) {
|
||
dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
|
||
free(dri2_ctx);
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
|
||
if (!_eglPutSurface(surf))
|
||
return EGL_TRUE;
|
||
|
||
return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
|
||
}
|
||
|
||
/**
|
||
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
|
||
*/
|
||
static EGLBoolean
|
||
dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
|
||
_EGLSurface *rsurf, _EGLContext *ctx)
|
||
{
|
||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
_EGLContext *old_ctx;
|
||
_EGLSurface *old_dsurf, *old_rsurf;
|
||
_EGLSurface *tmp_dsurf, *tmp_rsurf;
|
||
__DRIdrawable *ddraw, *rdraw;
|
||
__DRIcontext *cctx;
|
||
EGLBoolean unbind;
|
||
|
||
if (!dri2_dpy)
|
||
return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
|
||
|
||
/* make new bindings */
|
||
if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
|
||
/* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
/* flush before context switch */
|
||
if (old_ctx)
|
||
dri2_drv->glFlush();
|
||
|
||
ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
|
||
rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
|
||
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
|
||
|
||
if (old_ctx) {
|
||
__DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
|
||
dri2_dpy->core->unbindContext(old_cctx);
|
||
}
|
||
|
||
unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
|
||
|
||
if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
|
||
dri2_destroy_surface(drv, disp, old_dsurf);
|
||
dri2_destroy_surface(drv, disp, old_rsurf);
|
||
|
||
if (!unbind)
|
||
dri2_dpy->ref_count++;
|
||
if (old_ctx) {
|
||
EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
|
||
dri2_destroy_context(drv, disp, old_ctx);
|
||
dri2_display_release(old_disp);
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
} else {
|
||
/* undo the previous _eglBindContext */
|
||
_eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
|
||
assert(&dri2_ctx->base == ctx &&
|
||
tmp_dsurf == dsurf &&
|
||
tmp_rsurf == rsurf);
|
||
|
||
_eglPutSurface(dsurf);
|
||
_eglPutSurface(rsurf);
|
||
_eglPutContext(ctx);
|
||
|
||
_eglPutSurface(old_dsurf);
|
||
_eglPutSurface(old_rsurf);
|
||
_eglPutContext(old_ctx);
|
||
|
||
/* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
|
||
* setting the error to EGL_BAD_MATCH is surely better than leaving it
|
||
* as EGL_SUCCESS.
|
||
*/
|
||
return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
|
||
}
|
||
}
|
||
|
||
__DRIdrawable *
|
||
dri2_surface_get_dri_drawable(_EGLSurface *surf)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
|
||
|
||
return dri2_surf->dri_drawable;
|
||
}
|
||
|
||
/*
|
||
* Called from eglGetProcAddress() via drv->API.GetProcAddress().
|
||
*/
|
||
static _EGLProc
|
||
dri2_get_proc_address(_EGLDriver *drv, const char *procname)
|
||
{
|
||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||
|
||
return dri2_drv->get_proc_address(procname);
|
||
}
|
||
|
||
static _EGLSurface*
|
||
dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
_EGLConfig *conf, void *native_window,
|
||
const EGLint *attrib_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
|
||
attrib_list);
|
||
}
|
||
|
||
static _EGLSurface*
|
||
dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
_EGLConfig *conf, void *native_pixmap,
|
||
const EGLint *attrib_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
|
||
attrib_list);
|
||
}
|
||
|
||
static _EGLSurface*
|
||
dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
_EGLConfig *conf, const EGLint *attrib_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLint interval)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
if (!dri2_dpy->vtbl->swap_interval)
|
||
return EGL_TRUE;
|
||
return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
|
||
}
|
||
|
||
/**
|
||
* Asks the client API to flush any rendering to the drawable so that we can
|
||
* do our swapbuffers.
|
||
*/
|
||
void
|
||
dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
__DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
|
||
|
||
if (dri2_dpy->flush) {
|
||
if (dri2_dpy->flush->base.version >= 4) {
|
||
/* We know there's a current context because:
|
||
*
|
||
* "If surface is not bound to the calling thread’s current
|
||
* context, an EGL_BAD_SURFACE error is generated."
|
||
*/
|
||
_EGLContext *ctx = _eglGetCurrentContext();
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
|
||
/* From the EGL 1.4 spec (page 52):
|
||
*
|
||
* "The contents of ancillary buffers are always undefined
|
||
* after calling eglSwapBuffers."
|
||
*/
|
||
dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
|
||
dri_drawable,
|
||
__DRI2_FLUSH_DRAWABLE |
|
||
__DRI2_FLUSH_INVALIDATE_ANCILLARY,
|
||
__DRI2_THROTTLE_SWAPBUFFER);
|
||
} else {
|
||
dri2_dpy->flush->flush(dri_drawable);
|
||
}
|
||
}
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
_EGLSurface *surf,
|
||
const EGLint *rects, EGLint n_rects)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
|
||
rects, n_rects);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLint numRects, const EGLint *rects)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_set_damage_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLint *rects, EGLint n_rects)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->set_damage_region(drv, dpy, surf, rects, n_rects);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLint x, EGLint y, EGLint width, EGLint height)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
void *native_pixmap_target)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
|
||
}
|
||
|
||
static EGLint
|
||
dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
_EGLSurface *surf = ctx->DrawSurface;
|
||
__DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
|
||
|
||
(void) drv;
|
||
|
||
/* FIXME: If EGL allows frontbuffer rendering for window surfaces,
|
||
* we need to copy fake to real here.*/
|
||
|
||
if (dri2_dpy->flush != NULL)
|
||
dri2_dpy->flush->flush(dri_drawable);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
|
||
{
|
||
(void) drv;
|
||
(void) disp;
|
||
|
||
if (engine != EGL_CORE_NATIVE_ENGINE)
|
||
return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
|
||
/* glXWaitX(); */
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_bind_tex_image(_EGLDriver *drv,
|
||
_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx;
|
||
_EGLContext *ctx;
|
||
GLint format, target;
|
||
__DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
|
||
|
||
ctx = _eglGetCurrentContext();
|
||
dri2_ctx = dri2_egl_context(ctx);
|
||
|
||
if (!_eglBindTexImage(drv, disp, surf, buffer))
|
||
return EGL_FALSE;
|
||
|
||
switch (surf->TextureFormat) {
|
||
case EGL_TEXTURE_RGB:
|
||
format = __DRI_TEXTURE_FORMAT_RGB;
|
||
break;
|
||
case EGL_TEXTURE_RGBA:
|
||
format = __DRI_TEXTURE_FORMAT_RGBA;
|
||
break;
|
||
default:
|
||
assert(!"Unexpected texture format in dri2_bind_tex_image()");
|
||
format = __DRI_TEXTURE_FORMAT_RGBA;
|
||
}
|
||
|
||
switch (surf->TextureTarget) {
|
||
case EGL_TEXTURE_2D:
|
||
target = GL_TEXTURE_2D;
|
||
break;
|
||
default:
|
||
target = GL_TEXTURE_2D;
|
||
assert(!"Unexpected texture target in dri2_bind_tex_image()");
|
||
}
|
||
|
||
dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
|
||
target, format,
|
||
dri_drawable);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_release_tex_image(_EGLDriver *drv,
|
||
_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx;
|
||
_EGLContext *ctx;
|
||
GLint target;
|
||
__DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
|
||
|
||
ctx = _eglGetCurrentContext();
|
||
dri2_ctx = dri2_egl_context(ctx);
|
||
|
||
if (!_eglReleaseTexImage(drv, disp, surf, buffer))
|
||
return EGL_FALSE;
|
||
|
||
switch (surf->TextureTarget) {
|
||
case EGL_TEXTURE_2D:
|
||
target = GL_TEXTURE_2D;
|
||
break;
|
||
default:
|
||
assert(0);
|
||
}
|
||
|
||
if (dri2_dpy->tex_buffer->base.version >= 3 &&
|
||
dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
|
||
dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
|
||
target, dri_drawable);
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static _EGLImage*
|
||
dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
|
||
EGLenum target, EGLClientBuffer buffer,
|
||
const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
|
||
attr_list);
|
||
}
|
||
|
||
static _EGLImage *
|
||
dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
|
||
{
|
||
struct dri2_egl_image *dri2_img;
|
||
|
||
if (dri_image == NULL) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_image");
|
||
return NULL;
|
||
}
|
||
|
||
dri2_img = malloc(sizeof *dri2_img);
|
||
if (!dri2_img) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_image");
|
||
return NULL;
|
||
}
|
||
|
||
_eglInitImage(&dri2_img->base, disp);
|
||
|
||
dri2_img->dri_image = dri_image;
|
||
|
||
return &dri2_img->base;
|
||
}
|
||
|
||
static _EGLImage *
|
||
dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
|
||
EGLClientBuffer buffer,
|
||
const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
|
||
__DRIimage *dri_image;
|
||
|
||
if (renderbuffer == 0) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
if (!disp->Extensions.KHR_gl_renderbuffer_image) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
dri_image =
|
||
dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
|
||
renderbuffer, NULL);
|
||
|
||
return dri2_create_image_from_dri(disp, dri_image);
|
||
}
|
||
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
|
||
/* This structure describes how a wl_buffer maps to one or more
|
||
* __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
|
||
* offsets and strides of the planes in the buffer. This table maps a
|
||
* wl_drm format code to a description of the planes in the buffer
|
||
* that lets us create a __DRIimage for each of the planes. */
|
||
|
||
static const struct wl_drm_components_descriptor {
|
||
uint32_t dri_components;
|
||
EGLint components;
|
||
int nplanes;
|
||
} wl_drm_components[] = {
|
||
{ __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
|
||
{ __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
|
||
{ __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
|
||
{ __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
|
||
{ __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
|
||
};
|
||
|
||
static _EGLImage *
|
||
dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
|
||
EGLClientBuffer _buffer,
|
||
const EGLint *attr_list)
|
||
{
|
||
struct wl_drm_buffer *buffer;
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
const struct wl_drm_components_descriptor *f;
|
||
__DRIimage *dri_image;
|
||
_EGLImageAttribs attrs;
|
||
int32_t plane;
|
||
|
||
buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
|
||
(struct wl_resource *) _buffer);
|
||
if (!buffer)
|
||
return NULL;
|
||
|
||
if (!_eglParseImageAttribList(&attrs, disp, attr_list))
|
||
return NULL;
|
||
|
||
plane = attrs.PlaneWL;
|
||
f = buffer->driver_format;
|
||
if (plane < 0 || plane >= f->nplanes) {
|
||
_eglError(EGL_BAD_PARAMETER,
|
||
"dri2_create_image_wayland_wl_buffer (plane out of bounds)");
|
||
return NULL;
|
||
}
|
||
|
||
dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
|
||
|
||
if (dri_image == NULL) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
|
||
return NULL;
|
||
}
|
||
|
||
return dri2_create_image_from_dri(disp, dri_image);
|
||
}
|
||
#endif
|
||
|
||
static EGLBoolean
|
||
dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLuint64KHR *ust, EGLuint64KHR *msc,
|
||
EGLuint64KHR *sbc)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
|
||
}
|
||
|
||
/**
|
||
* Set the error code after a call to
|
||
* dri2_egl_image::dri_image::createImageFromTexture.
|
||
*/
|
||
static void
|
||
dri2_create_image_khr_texture_error(int dri_error)
|
||
{
|
||
EGLint egl_error;
|
||
|
||
switch (dri_error) {
|
||
case __DRI_IMAGE_ERROR_SUCCESS:
|
||
return;
|
||
|
||
case __DRI_IMAGE_ERROR_BAD_ALLOC:
|
||
egl_error = EGL_BAD_ALLOC;
|
||
break;
|
||
|
||
case __DRI_IMAGE_ERROR_BAD_MATCH:
|
||
egl_error = EGL_BAD_MATCH;
|
||
break;
|
||
|
||
case __DRI_IMAGE_ERROR_BAD_PARAMETER:
|
||
egl_error = EGL_BAD_PARAMETER;
|
||
break;
|
||
|
||
case __DRI_IMAGE_ERROR_BAD_ACCESS:
|
||
egl_error = EGL_BAD_ACCESS;
|
||
break;
|
||
|
||
default:
|
||
assert(0);
|
||
egl_error = EGL_BAD_MATCH;
|
||
break;
|
||
}
|
||
|
||
_eglError(egl_error, "dri2_create_image_khr_texture");
|
||
}
|
||
|
||
static _EGLImage *
|
||
dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
|
||
EGLenum target,
|
||
EGLClientBuffer buffer,
|
||
const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
struct dri2_egl_image *dri2_img;
|
||
GLuint texture = (GLuint) (uintptr_t) buffer;
|
||
_EGLImageAttribs attrs;
|
||
GLuint depth;
|
||
GLenum gl_target;
|
||
unsigned error;
|
||
|
||
if (texture == 0) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
if (!_eglParseImageAttribList(&attrs, disp, attr_list))
|
||
return EGL_NO_IMAGE_KHR;
|
||
|
||
switch (target) {
|
||
case EGL_GL_TEXTURE_2D_KHR:
|
||
if (!disp->Extensions.KHR_gl_texture_2D_image) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
depth = 0;
|
||
gl_target = GL_TEXTURE_2D;
|
||
break;
|
||
case EGL_GL_TEXTURE_3D_KHR:
|
||
if (!disp->Extensions.KHR_gl_texture_3D_image) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
depth = attrs.GLTextureZOffset;
|
||
gl_target = GL_TEXTURE_3D;
|
||
break;
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
|
||
if (!disp->Extensions.KHR_gl_texture_cubemap_image) {
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
|
||
gl_target = GL_TEXTURE_CUBE_MAP;
|
||
break;
|
||
default:
|
||
unreachable("Unexpected target in dri2_create_image_khr_texture()");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
dri2_img = malloc(sizeof *dri2_img);
|
||
if (!dri2_img) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
_eglInitImage(&dri2_img->base, disp);
|
||
|
||
dri2_img->dri_image =
|
||
dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
|
||
gl_target,
|
||
texture,
|
||
depth,
|
||
attrs.GLTextureLevel,
|
||
&error,
|
||
dri2_img);
|
||
dri2_create_image_khr_texture_error(error);
|
||
|
||
if (!dri2_img->dri_image) {
|
||
free(dri2_img);
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
return &dri2_img->base;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
|
||
EGLint attribute, EGLint *value)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
if (!dri2_dpy->vtbl->query_surface)
|
||
return _eglQuerySurface(drv, dpy, surf, attribute, value);
|
||
return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
|
||
}
|
||
|
||
static struct wl_buffer*
|
||
dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
_EGLImage *img)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
|
||
}
|
||
|
||
#ifdef HAVE_LIBDRM
|
||
static _EGLImage *
|
||
dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
|
||
EGLClientBuffer buffer, const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
EGLint format, name, pitch;
|
||
_EGLImageAttribs attrs;
|
||
__DRIimage *dri_image;
|
||
|
||
name = (EGLint) (uintptr_t) buffer;
|
||
|
||
if (!_eglParseImageAttribList(&attrs, disp, attr_list))
|
||
return NULL;
|
||
|
||
if (attrs.Width <= 0 || attrs.Height <= 0 ||
|
||
attrs.DRMBufferStrideMESA <= 0) {
|
||
_eglError(EGL_BAD_PARAMETER,
|
||
"bad width, height or stride");
|
||
return NULL;
|
||
}
|
||
|
||
switch (attrs.DRMBufferFormatMESA) {
|
||
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
|
||
format = __DRI_IMAGE_FORMAT_ARGB8888;
|
||
pitch = attrs.DRMBufferStrideMESA;
|
||
break;
|
||
default:
|
||
_eglError(EGL_BAD_PARAMETER,
|
||
"dri2_create_image_khr: unsupported pixmap depth");
|
||
return NULL;
|
||
}
|
||
|
||
dri_image =
|
||
dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
|
||
attrs.Width,
|
||
attrs.Height,
|
||
format,
|
||
name,
|
||
pitch,
|
||
NULL);
|
||
|
||
return dri2_create_image_from_dri(disp, dri_image);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
|
||
{
|
||
/**
|
||
* The spec says:
|
||
*
|
||
* "Required attributes and their values are as follows:
|
||
*
|
||
* * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
|
||
*
|
||
* * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
|
||
* by drm_fourcc.h and used as the pixel_format parameter of the
|
||
* drm_mode_fb_cmd2 ioctl."
|
||
*
|
||
* and
|
||
*
|
||
* "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
|
||
* incomplete, EGL_BAD_PARAMETER is generated."
|
||
*/
|
||
if (attrs->Width <= 0 || attrs->Height <= 0 ||
|
||
!attrs->DMABufFourCC.IsPresent)
|
||
return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
|
||
|
||
/**
|
||
* Also:
|
||
*
|
||
* "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
|
||
* specified for a plane's pitch or offset isn't supported by EGL,
|
||
* EGL_BAD_ACCESS is generated."
|
||
*/
|
||
for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
|
||
if (attrs->DMABufPlanePitches[i].IsPresent &&
|
||
attrs->DMABufPlanePitches[i].Value <= 0)
|
||
return _eglError(EGL_BAD_ACCESS, "invalid pitch");
|
||
}
|
||
|
||
/**
|
||
* If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
|
||
* attribute values may be given.
|
||
*
|
||
* This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
|
||
* EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
|
||
*/
|
||
for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) {
|
||
if (attrs->DMABufPlaneModifiersLo[i].IsPresent !=
|
||
attrs->DMABufPlaneModifiersHi[i].IsPresent)
|
||
return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing");
|
||
}
|
||
|
||
/* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
|
||
* mandate it, we only accept the same modifier across all planes. */
|
||
for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) {
|
||
if (attrs->DMABufPlaneFds[i].IsPresent) {
|
||
if ((attrs->DMABufPlaneModifiersLo[0].IsPresent !=
|
||
attrs->DMABufPlaneModifiersLo[i].IsPresent) ||
|
||
(attrs->DMABufPlaneModifiersLo[0].Value !=
|
||
attrs->DMABufPlaneModifiersLo[i].Value) ||
|
||
(attrs->DMABufPlaneModifiersHi[0].Value !=
|
||
attrs->DMABufPlaneModifiersHi[i].Value))
|
||
return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal");
|
||
}
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/* Returns the total number of file descriptors. Zero indicates an error. */
|
||
static unsigned
|
||
dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
|
||
{
|
||
unsigned plane_n;
|
||
|
||
switch (attrs->DMABufFourCC.Value) {
|
||
case DRM_FORMAT_R8:
|
||
case DRM_FORMAT_RG88:
|
||
case DRM_FORMAT_GR88:
|
||
case DRM_FORMAT_R16:
|
||
case DRM_FORMAT_GR1616:
|
||
case DRM_FORMAT_RGB332:
|
||
case DRM_FORMAT_BGR233:
|
||
case DRM_FORMAT_XRGB4444:
|
||
case DRM_FORMAT_XBGR4444:
|
||
case DRM_FORMAT_RGBX4444:
|
||
case DRM_FORMAT_BGRX4444:
|
||
case DRM_FORMAT_ARGB4444:
|
||
case DRM_FORMAT_ABGR4444:
|
||
case DRM_FORMAT_RGBA4444:
|
||
case DRM_FORMAT_BGRA4444:
|
||
case DRM_FORMAT_XRGB1555:
|
||
case DRM_FORMAT_XBGR1555:
|
||
case DRM_FORMAT_RGBX5551:
|
||
case DRM_FORMAT_BGRX5551:
|
||
case DRM_FORMAT_ARGB1555:
|
||
case DRM_FORMAT_ABGR1555:
|
||
case DRM_FORMAT_RGBA5551:
|
||
case DRM_FORMAT_BGRA5551:
|
||
case DRM_FORMAT_RGB565:
|
||
case DRM_FORMAT_BGR565:
|
||
case DRM_FORMAT_RGB888:
|
||
case DRM_FORMAT_BGR888:
|
||
case DRM_FORMAT_XRGB8888:
|
||
case DRM_FORMAT_XBGR8888:
|
||
case DRM_FORMAT_RGBX8888:
|
||
case DRM_FORMAT_BGRX8888:
|
||
case DRM_FORMAT_ARGB8888:
|
||
case DRM_FORMAT_ABGR8888:
|
||
case DRM_FORMAT_RGBA8888:
|
||
case DRM_FORMAT_BGRA8888:
|
||
case DRM_FORMAT_XRGB2101010:
|
||
case DRM_FORMAT_XBGR2101010:
|
||
case DRM_FORMAT_RGBX1010102:
|
||
case DRM_FORMAT_BGRX1010102:
|
||
case DRM_FORMAT_ARGB2101010:
|
||
case DRM_FORMAT_ABGR2101010:
|
||
case DRM_FORMAT_RGBA1010102:
|
||
case DRM_FORMAT_BGRA1010102:
|
||
case DRM_FORMAT_YUYV:
|
||
case DRM_FORMAT_YVYU:
|
||
case DRM_FORMAT_UYVY:
|
||
case DRM_FORMAT_VYUY:
|
||
plane_n = 1;
|
||
break;
|
||
case DRM_FORMAT_NV12:
|
||
case DRM_FORMAT_NV21:
|
||
case DRM_FORMAT_NV16:
|
||
case DRM_FORMAT_NV61:
|
||
plane_n = 2;
|
||
break;
|
||
case DRM_FORMAT_YUV410:
|
||
case DRM_FORMAT_YVU410:
|
||
case DRM_FORMAT_YUV411:
|
||
case DRM_FORMAT_YVU411:
|
||
case DRM_FORMAT_YUV420:
|
||
case DRM_FORMAT_YVU420:
|
||
case DRM_FORMAT_YUV422:
|
||
case DRM_FORMAT_YVU422:
|
||
case DRM_FORMAT_YUV444:
|
||
case DRM_FORMAT_YVU444:
|
||
plane_n = 3;
|
||
break;
|
||
default:
|
||
_eglError(EGL_BAD_ATTRIBUTE, "invalid format");
|
||
return 0;
|
||
}
|
||
|
||
for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) {
|
||
/**
|
||
* The modifiers extension spec says:
|
||
*
|
||
* "Modifiers may modify any attribute of a buffer import, including
|
||
* but not limited to adding extra planes to a format which
|
||
* otherwise does not have those planes. As an example, a modifier
|
||
* may add a plane for an external compression buffer to a
|
||
* single-plane format. The exact meaning and effect of any
|
||
* modifier is canonically defined by drm_fourcc.h, not as part of
|
||
* this extension."
|
||
*/
|
||
if (attrs->DMABufPlaneModifiersLo[i].IsPresent &&
|
||
attrs->DMABufPlaneModifiersHi[i].IsPresent) {
|
||
plane_n = i + 1;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* The spec says:
|
||
*
|
||
* "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
|
||
* incomplete, EGL_BAD_PARAMETER is generated."
|
||
*/
|
||
for (unsigned i = 0; i < plane_n; ++i) {
|
||
if (!attrs->DMABufPlaneFds[i].IsPresent ||
|
||
!attrs->DMABufPlaneOffsets[i].IsPresent ||
|
||
!attrs->DMABufPlanePitches[i].IsPresent) {
|
||
_eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* The spec also says:
|
||
*
|
||
* "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
|
||
* attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
|
||
* generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
|
||
* or EGL_DMA_BUF_PLANE3_* attributes are specified."
|
||
*/
|
||
for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) {
|
||
if (attrs->DMABufPlaneFds[i].IsPresent ||
|
||
attrs->DMABufPlaneOffsets[i].IsPresent ||
|
||
attrs->DMABufPlanePitches[i].IsPresent) {
|
||
_eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
return plane_n;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_query_dma_buf_formats(_EGLDriver *drv, _EGLDisplay *disp,
|
||
EGLint max, EGLint *formats, EGLint *count)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
if (max < 0 || (max > 0 && formats == NULL))
|
||
return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
|
||
|
||
if (dri2_dpy->image->base.version < 15 ||
|
||
dri2_dpy->image->queryDmaBufFormats == NULL)
|
||
return EGL_FALSE;
|
||
|
||
if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max,
|
||
formats, count))
|
||
return EGL_FALSE;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_query_dma_buf_modifiers(_EGLDriver *drv, _EGLDisplay *disp, EGLint format,
|
||
EGLint max, EGLuint64KHR *modifiers,
|
||
EGLBoolean *external_only, EGLint *count)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
if (max < 0)
|
||
return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
|
||
|
||
if (max > 0 && modifiers == NULL)
|
||
return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array");
|
||
|
||
if (dri2_dpy->image->base.version < 15 ||
|
||
dri2_dpy->image->queryDmaBufModifiers == NULL)
|
||
return EGL_FALSE;
|
||
|
||
if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format,
|
||
max, modifiers,
|
||
(unsigned int *) external_only,
|
||
count) == false)
|
||
return _eglError(EGL_BAD_PARAMETER, "invalid format");
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/**
|
||
* The spec says:
|
||
*
|
||
* "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
|
||
* EGL will take a reference to the dma_buf(s) which it will release at any
|
||
* time while the EGLDisplay is initialized. It is the responsibility of the
|
||
* application to close the dma_buf file descriptors."
|
||
*
|
||
* Therefore we must never close or otherwise modify the file descriptors.
|
||
*/
|
||
_EGLImage *
|
||
dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
|
||
EGLClientBuffer buffer, const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
_EGLImage *res;
|
||
_EGLImageAttribs attrs;
|
||
__DRIimage *dri_image;
|
||
unsigned num_fds;
|
||
int fds[DMA_BUF_MAX_PLANES];
|
||
int pitches[DMA_BUF_MAX_PLANES];
|
||
int offsets[DMA_BUF_MAX_PLANES];
|
||
uint64_t modifier;
|
||
bool has_modifier = false;
|
||
unsigned error;
|
||
|
||
/**
|
||
* The spec says:
|
||
*
|
||
* ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
|
||
* error EGL_BAD_PARAMETER is generated."
|
||
*/
|
||
if (buffer != NULL) {
|
||
_eglError(EGL_BAD_PARAMETER, "buffer not NULL");
|
||
return NULL;
|
||
}
|
||
|
||
if (!_eglParseImageAttribList(&attrs, disp, attr_list))
|
||
return NULL;
|
||
|
||
if (!dri2_check_dma_buf_attribs(&attrs))
|
||
return NULL;
|
||
|
||
num_fds = dri2_check_dma_buf_format(&attrs);
|
||
if (!num_fds)
|
||
return NULL;
|
||
|
||
for (unsigned i = 0; i < num_fds; ++i) {
|
||
fds[i] = attrs.DMABufPlaneFds[i].Value;
|
||
pitches[i] = attrs.DMABufPlanePitches[i].Value;
|
||
offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
|
||
}
|
||
|
||
/* dri2_check_dma_buf_attribs ensures that the modifier, if available,
|
||
* will be present in attrs.DMABufPlaneModifiersLo[0] and
|
||
* attrs.DMABufPlaneModifiersHi[0] */
|
||
if (attrs.DMABufPlaneModifiersLo[0].IsPresent) {
|
||
modifier = (uint64_t) attrs.DMABufPlaneModifiersHi[0].Value << 32;
|
||
modifier |= (uint64_t) (attrs.DMABufPlaneModifiersLo[0].Value & 0xffffffff);
|
||
has_modifier = true;
|
||
}
|
||
|
||
if (has_modifier) {
|
||
if (dri2_dpy->image->base.version < 15 ||
|
||
dri2_dpy->image->createImageFromDmaBufs2 == NULL) {
|
||
_eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
dri_image =
|
||
dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen,
|
||
attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
|
||
modifier, fds, num_fds, pitches, offsets,
|
||
attrs.DMABufYuvColorSpaceHint.Value,
|
||
attrs.DMABufSampleRangeHint.Value,
|
||
attrs.DMABufChromaHorizontalSiting.Value,
|
||
attrs.DMABufChromaVerticalSiting.Value,
|
||
&error,
|
||
NULL);
|
||
}
|
||
else {
|
||
dri_image =
|
||
dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
|
||
attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
|
||
fds, num_fds, pitches, offsets,
|
||
attrs.DMABufYuvColorSpaceHint.Value,
|
||
attrs.DMABufSampleRangeHint.Value,
|
||
attrs.DMABufChromaHorizontalSiting.Value,
|
||
attrs.DMABufChromaVerticalSiting.Value,
|
||
&error,
|
||
NULL);
|
||
}
|
||
dri2_create_image_khr_texture_error(error);
|
||
|
||
if (!dri_image)
|
||
return EGL_NO_IMAGE_KHR;
|
||
|
||
res = dri2_create_image_from_dri(disp, dri_image);
|
||
|
||
return res;
|
||
}
|
||
static _EGLImage *
|
||
dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
|
||
const EGLint *attr_list)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img;
|
||
_EGLImageAttribs attrs;
|
||
unsigned int dri_use, valid_mask;
|
||
int format;
|
||
|
||
(void) drv;
|
||
|
||
if (!attr_list) {
|
||
_eglError(EGL_BAD_PARAMETER, __func__);
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
if (!_eglParseImageAttribList(&attrs, disp, attr_list))
|
||
return EGL_NO_IMAGE_KHR;
|
||
|
||
if (attrs.Width <= 0 || attrs.Height <= 0) {
|
||
_eglError(EGL_BAD_PARAMETER, __func__);
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
switch (attrs.DRMBufferFormatMESA) {
|
||
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
|
||
format = __DRI_IMAGE_FORMAT_ARGB8888;
|
||
break;
|
||
default:
|
||
_eglError(EGL_BAD_PARAMETER, __func__);
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
valid_mask =
|
||
EGL_DRM_BUFFER_USE_SCANOUT_MESA |
|
||
EGL_DRM_BUFFER_USE_SHARE_MESA |
|
||
EGL_DRM_BUFFER_USE_CURSOR_MESA;
|
||
if (attrs.DRMBufferUseMESA & ~valid_mask) {
|
||
_eglError(EGL_BAD_PARAMETER, __func__);
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
dri_use = 0;
|
||
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
|
||
dri_use |= __DRI_IMAGE_USE_SHARE;
|
||
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
|
||
dri_use |= __DRI_IMAGE_USE_SCANOUT;
|
||
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
|
||
dri_use |= __DRI_IMAGE_USE_CURSOR;
|
||
|
||
dri2_img = malloc(sizeof *dri2_img);
|
||
if (!dri2_img) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
_eglInitImage(&dri2_img->base, disp);
|
||
|
||
dri2_img->dri_image =
|
||
dri2_dpy->image->createImage(dri2_dpy->dri_screen,
|
||
attrs.Width, attrs.Height,
|
||
format, dri_use, dri2_img);
|
||
if (dri2_img->dri_image == NULL) {
|
||
free(dri2_img);
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
|
||
return &dri2_img->base;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
|
||
EGLint *name, EGLint *handle, EGLint *stride)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
|
||
|
||
(void) drv;
|
||
|
||
if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_NAME, name))
|
||
return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
|
||
|
||
if (handle)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_HANDLE, handle);
|
||
|
||
if (stride)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_STRIDE, stride);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
|
||
_EGLImage *img,
|
||
EGLint *fourcc, EGLint *nplanes,
|
||
EGLuint64KHR *modifiers)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
|
||
|
||
(void) drv;
|
||
|
||
|
||
if (nplanes)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
|
||
if (fourcc)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_FOURCC, fourcc);
|
||
|
||
if (modifiers)
|
||
*modifiers = 0;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
|
||
int *fds, EGLint *strides, EGLint *offsets)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
|
||
|
||
(void) drv;
|
||
|
||
/* rework later to provide multiple fds/strides/offsets */
|
||
if (fds)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_FD, fds);
|
||
|
||
if (strides)
|
||
dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_STRIDE, strides);
|
||
|
||
if (offsets) {
|
||
int img_offset;
|
||
bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
|
||
__DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
|
||
if (ret)
|
||
offsets[0] = img_offset;
|
||
else
|
||
offsets[0] = 0;
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
#endif
|
||
|
||
_EGLImage *
|
||
dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
|
||
_EGLContext *ctx, EGLenum target,
|
||
EGLClientBuffer buffer, const EGLint *attr_list)
|
||
{
|
||
(void) drv;
|
||
|
||
switch (target) {
|
||
case EGL_GL_TEXTURE_2D_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
|
||
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
|
||
case EGL_GL_TEXTURE_3D_KHR:
|
||
return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
|
||
case EGL_GL_RENDERBUFFER_KHR:
|
||
return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
|
||
#ifdef HAVE_LIBDRM
|
||
case EGL_DRM_BUFFER_MESA:
|
||
return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
|
||
case EGL_LINUX_DMA_BUF_EXT:
|
||
return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
|
||
#endif
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
case EGL_WAYLAND_BUFFER_WL:
|
||
return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
|
||
#endif
|
||
default:
|
||
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
|
||
return EGL_NO_IMAGE_KHR;
|
||
}
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img = dri2_egl_image(image);
|
||
|
||
(void) drv;
|
||
|
||
dri2_dpy->image->destroyImage(dri2_img->dri_image);
|
||
free(dri2_img);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
|
||
static void
|
||
dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
|
||
struct wl_drm_buffer *buffer)
|
||
{
|
||
_EGLDisplay *disp = user_data;
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
__DRIimage *img;
|
||
int dri_components = 0;
|
||
|
||
if (fd == -1)
|
||
img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
|
||
buffer->width,
|
||
buffer->height,
|
||
buffer->format,
|
||
(int*)&name, 1,
|
||
buffer->stride,
|
||
buffer->offset,
|
||
NULL);
|
||
else
|
||
img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
|
||
buffer->width,
|
||
buffer->height,
|
||
buffer->format,
|
||
&fd, 1,
|
||
buffer->stride,
|
||
buffer->offset,
|
||
NULL);
|
||
|
||
if (img == NULL)
|
||
return;
|
||
|
||
dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
|
||
|
||
buffer->driver_format = NULL;
|
||
for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
|
||
if (wl_drm_components[i].dri_components == dri_components)
|
||
buffer->driver_format = &wl_drm_components[i];
|
||
|
||
if (buffer->driver_format == NULL)
|
||
dri2_dpy->image->destroyImage(img);
|
||
else
|
||
buffer->driver_buffer = img;
|
||
}
|
||
|
||
static void
|
||
dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
|
||
{
|
||
_EGLDisplay *disp = user_data;
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
dri2_dpy->image->destroyImage(buffer->driver_buffer);
|
||
}
|
||
|
||
static struct wayland_drm_callbacks wl_drm_callbacks = {
|
||
.authenticate = NULL,
|
||
.reference_buffer = dri2_wl_reference_buffer,
|
||
.release_buffer = dri2_wl_release_buffer
|
||
};
|
||
|
||
static EGLBoolean
|
||
dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
|
||
struct wl_display *wl_dpy)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
int flags = 0;
|
||
uint64_t cap;
|
||
|
||
(void) drv;
|
||
|
||
if (dri2_dpy->wl_server_drm)
|
||
return EGL_FALSE;
|
||
|
||
wl_drm_callbacks.authenticate =
|
||
(int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
|
||
|
||
if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
|
||
cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
|
||
dri2_dpy->image->base.version >= 7 &&
|
||
dri2_dpy->image->createImageFromFds != NULL)
|
||
flags |= WAYLAND_DRM_PRIME;
|
||
|
||
dri2_dpy->wl_server_drm =
|
||
wayland_drm_init(wl_dpy, dri2_dpy->device_name,
|
||
&wl_drm_callbacks, disp, flags);
|
||
|
||
if (!dri2_dpy->wl_server_drm)
|
||
return EGL_FALSE;
|
||
|
||
#ifdef HAVE_DRM_PLATFORM
|
||
/* We have to share the wl_drm instance with gbm, so gbm can convert
|
||
* wl_buffers to gbm bos. */
|
||
if (dri2_dpy->gbm_dri)
|
||
dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
|
||
#endif
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
|
||
struct wl_display *wl_dpy)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
|
||
(void) drv;
|
||
|
||
if (!dri2_dpy->wl_server_drm)
|
||
return EGL_FALSE;
|
||
|
||
wayland_drm_uninit(dri2_dpy->wl_server_drm);
|
||
dri2_dpy->wl_server_drm = NULL;
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
|
||
struct wl_resource *buffer_resource,
|
||
EGLint attribute, EGLint *value)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct wl_drm_buffer *buffer;
|
||
const struct wl_drm_components_descriptor *format;
|
||
|
||
buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
|
||
if (!buffer)
|
||
return EGL_FALSE;
|
||
|
||
format = buffer->driver_format;
|
||
switch (attribute) {
|
||
case EGL_TEXTURE_FORMAT:
|
||
*value = format->components;
|
||
return EGL_TRUE;
|
||
case EGL_WIDTH:
|
||
*value = buffer->width;
|
||
return EGL_TRUE;
|
||
case EGL_HEIGHT:
|
||
*value = buffer->height;
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
return EGL_FALSE;
|
||
}
|
||
#endif
|
||
|
||
static void
|
||
dri2_egl_ref_sync(struct dri2_egl_sync *sync)
|
||
{
|
||
p_atomic_inc(&sync->refcount);
|
||
}
|
||
|
||
static void
|
||
dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
|
||
struct dri2_egl_sync *dri2_sync)
|
||
{
|
||
if (p_atomic_dec_zero(&dri2_sync->refcount)) {
|
||
switch (dri2_sync->base.Type) {
|
||
case EGL_SYNC_REUSABLE_KHR:
|
||
cnd_destroy(&dri2_sync->cond);
|
||
break;
|
||
case EGL_SYNC_NATIVE_FENCE_ANDROID:
|
||
if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
|
||
close(dri2_sync->base.SyncFd);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (dri2_sync->fence)
|
||
dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
|
||
|
||
free(dri2_sync);
|
||
}
|
||
}
|
||
|
||
static _EGLSync *
|
||
dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
|
||
EGLenum type, const EGLAttrib *attrib_list)
|
||
{
|
||
_EGLContext *ctx = _eglGetCurrentContext();
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
struct dri2_egl_sync *dri2_sync;
|
||
EGLint ret;
|
||
pthread_condattr_t attr;
|
||
|
||
dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
|
||
if (!dri2_sync) {
|
||
_eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
|
||
return NULL;
|
||
}
|
||
|
||
if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
|
||
switch (type) {
|
||
case EGL_SYNC_FENCE_KHR:
|
||
dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
|
||
if (!dri2_sync->fence) {
|
||
/* Why did it fail? DRI doesn't return an error code, so we emit
|
||
* a generic EGL error that doesn't communicate user error.
|
||
*/
|
||
_eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
break;
|
||
|
||
case EGL_SYNC_CL_EVENT_KHR:
|
||
dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
|
||
dri2_dpy->dri_screen,
|
||
dri2_sync->base.CLEvent);
|
||
/* this can only happen if the cl_event passed in is invalid. */
|
||
if (!dri2_sync->fence) {
|
||
_eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
|
||
/* the initial status must be "signaled" if the cl_event is signaled */
|
||
if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
|
||
dri2_sync->fence, 0, 0))
|
||
dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
|
||
break;
|
||
|
||
case EGL_SYNC_REUSABLE_KHR:
|
||
/* intialize attr */
|
||
ret = pthread_condattr_init(&attr);
|
||
|
||
if (ret) {
|
||
_eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
|
||
/* change clock attribute to CLOCK_MONOTONIC */
|
||
ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
|
||
|
||
if (ret) {
|
||
_eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
|
||
ret = pthread_cond_init(&dri2_sync->cond, &attr);
|
||
|
||
if (ret) {
|
||
_eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
|
||
/* initial status of reusable sync must be "unsignaled" */
|
||
dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
|
||
break;
|
||
|
||
case EGL_SYNC_NATIVE_FENCE_ANDROID:
|
||
if (dri2_dpy->fence->create_fence_fd) {
|
||
dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
|
||
dri2_ctx->dri_context,
|
||
dri2_sync->base.SyncFd);
|
||
}
|
||
if (!dri2_sync->fence) {
|
||
_eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
|
||
free(dri2_sync);
|
||
return NULL;
|
||
}
|
||
break;
|
||
}
|
||
|
||
p_atomic_set(&dri2_sync->refcount, 1);
|
||
return &dri2_sync->base;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
|
||
EGLint ret = EGL_TRUE;
|
||
EGLint err;
|
||
|
||
/* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
|
||
* then unlock all threads possibly blocked by the reusable sync before
|
||
* destroying it.
|
||
*/
|
||
if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
|
||
dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
|
||
dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
|
||
/* unblock all threads currently blocked by sync */
|
||
err = cnd_broadcast(&dri2_sync->cond);
|
||
|
||
if (err) {
|
||
_eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
|
||
ret = EGL_FALSE;
|
||
}
|
||
}
|
||
|
||
dri2_egl_unref_sync(dri2_dpy, dri2_sync);
|
||
|
||
return ret;
|
||
}
|
||
|
||
static EGLint
|
||
dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
|
||
|
||
assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
|
||
|
||
if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
|
||
/* try to retrieve the actual native fence fd.. if rendering is
|
||
* not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
|
||
*/
|
||
sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
|
||
dri2_sync->fence);
|
||
}
|
||
|
||
if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
|
||
/* if native fence fd still not created, return an error: */
|
||
_eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
|
||
return EGL_NO_NATIVE_FENCE_FD_ANDROID;
|
||
}
|
||
|
||
return dup(sync->SyncFd);
|
||
}
|
||
|
||
static EGLint
|
||
dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
|
||
EGLint flags, EGLTime timeout)
|
||
{
|
||
_EGLContext *ctx = _eglGetCurrentContext();
|
||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
|
||
unsigned wait_flags = 0;
|
||
|
||
/* timespecs for cnd_timedwait */
|
||
struct timespec current;
|
||
xtime expire;
|
||
|
||
EGLint ret = EGL_CONDITION_SATISFIED_KHR;
|
||
|
||
/* The EGL_KHR_fence_sync spec states:
|
||
*
|
||
* "If no context is current for the bound API,
|
||
* the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
|
||
*/
|
||
if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
|
||
wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
|
||
|
||
/* the sync object should take a reference while waiting */
|
||
dri2_egl_ref_sync(dri2_sync);
|
||
|
||
switch (sync->Type) {
|
||
case EGL_SYNC_FENCE_KHR:
|
||
case EGL_SYNC_NATIVE_FENCE_ANDROID:
|
||
case EGL_SYNC_CL_EVENT_KHR:
|
||
if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
|
||
dri2_sync->fence, wait_flags,
|
||
timeout))
|
||
dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
|
||
else
|
||
ret = EGL_TIMEOUT_EXPIRED_KHR;
|
||
break;
|
||
|
||
case EGL_SYNC_REUSABLE_KHR:
|
||
if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
|
||
(flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
|
||
/* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
|
||
dri2_drv->glFlush();
|
||
}
|
||
|
||
/* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
|
||
if (timeout == EGL_FOREVER_KHR) {
|
||
mtx_lock(&dri2_sync->mutex);
|
||
cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
|
||
mtx_unlock(&dri2_sync->mutex);
|
||
} else {
|
||
/* if reusable sync has not been yet signaled */
|
||
if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
|
||
clock_gettime(CLOCK_MONOTONIC, ¤t);
|
||
|
||
/* calculating when to expire */
|
||
expire.nsec = timeout % 1000000000L;
|
||
expire.sec = timeout / 1000000000L;
|
||
|
||
expire.nsec += current.tv_nsec;
|
||
expire.sec += current.tv_sec;
|
||
|
||
/* expire.nsec now is a number between 0 and 1999999998 */
|
||
if (expire.nsec > 999999999L) {
|
||
expire.sec++;
|
||
expire.nsec -= 1000000000L;
|
||
}
|
||
|
||
mtx_lock(&dri2_sync->mutex);
|
||
ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
|
||
mtx_unlock(&dri2_sync->mutex);
|
||
|
||
if (ret == thrd_busy) {
|
||
if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
|
||
ret = EGL_TIMEOUT_EXPIRED_KHR;
|
||
} else {
|
||
_eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
|
||
ret = EGL_FALSE;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
dri2_egl_unref_sync(dri2_dpy, dri2_sync);
|
||
|
||
return ret;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
|
||
EGLenum mode)
|
||
{
|
||
struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
|
||
EGLint ret;
|
||
|
||
if (sync->Type != EGL_SYNC_REUSABLE_KHR)
|
||
return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
|
||
|
||
if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR)
|
||
return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
|
||
|
||
dri2_sync->base.SyncStatus = mode;
|
||
|
||
if (mode == EGL_SIGNALED_KHR) {
|
||
ret = cnd_broadcast(&dri2_sync->cond);
|
||
|
||
/* fail to broadcast */
|
||
if (ret)
|
||
return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
|
||
}
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLint
|
||
dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
|
||
{
|
||
_EGLContext *ctx = _eglGetCurrentContext();
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
|
||
|
||
dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
|
||
dri2_sync->fence, 0);
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static int
|
||
dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
|
||
struct mesa_glinterop_device_info *out)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
|
||
if (!dri2_dpy->interop)
|
||
return MESA_GLINTEROP_UNSUPPORTED;
|
||
|
||
return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
|
||
}
|
||
|
||
static int
|
||
dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
|
||
struct mesa_glinterop_export_in *in,
|
||
struct mesa_glinterop_export_out *out)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
|
||
if (!dri2_dpy->interop)
|
||
return MESA_GLINTEROP_UNSUPPORTED;
|
||
|
||
return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
|
||
}
|
||
|
||
static void
|
||
dri2_unload(_EGLDriver *drv)
|
||
{
|
||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||
|
||
dlclose(dri2_drv->handle);
|
||
free(dri2_drv);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_load(_EGLDriver *drv)
|
||
{
|
||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||
#ifdef HAVE_ANDROID_PLATFORM
|
||
const char *libname = "libglapi.so";
|
||
#elif defined(__APPLE__)
|
||
const char *libname = "libglapi.0.dylib";
|
||
#elif defined(__CYGWIN__)
|
||
const char *libname = "cygglapi-0.dll";
|
||
#else
|
||
const char *libname = "libglapi.so.0";
|
||
#endif
|
||
void *handle;
|
||
|
||
/* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
|
||
handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
|
||
if (!handle) {
|
||
_eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
|
||
goto no_handle;
|
||
}
|
||
|
||
dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
|
||
dlsym(handle, "_glapi_get_proc_address");
|
||
|
||
/* if glapi is not available, loading DRI drivers will fail */
|
||
if (!dri2_drv->get_proc_address) {
|
||
_eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
|
||
goto no_symbol;
|
||
}
|
||
|
||
dri2_drv->glFlush = (void (*)(void))
|
||
dri2_drv->get_proc_address("glFlush");
|
||
|
||
/* if glFlush is not available things are horribly broken */
|
||
if (!dri2_drv->glFlush) {
|
||
_eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
|
||
goto no_symbol;
|
||
}
|
||
|
||
dri2_drv->handle = handle;
|
||
return EGL_TRUE;
|
||
|
||
no_symbol:
|
||
dlclose(handle);
|
||
no_handle:
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
/**
|
||
* This is the main entrypoint into the driver, called by libEGL.
|
||
* Create a new _EGLDriver object and init its dispatch table.
|
||
*/
|
||
_EGLDriver *
|
||
_eglBuiltInDriverDRI2(const char *args)
|
||
{
|
||
struct dri2_egl_driver *dri2_drv;
|
||
|
||
(void) args;
|
||
|
||
dri2_drv = calloc(1, sizeof *dri2_drv);
|
||
if (!dri2_drv)
|
||
return NULL;
|
||
|
||
if (!dri2_load(&dri2_drv->base)) {
|
||
free(dri2_drv);
|
||
return NULL;
|
||
}
|
||
|
||
_eglInitDriverFallbacks(&dri2_drv->base);
|
||
dri2_drv->base.API.Initialize = dri2_initialize;
|
||
dri2_drv->base.API.Terminate = dri2_terminate;
|
||
dri2_drv->base.API.CreateContext = dri2_create_context;
|
||
dri2_drv->base.API.DestroyContext = dri2_destroy_context;
|
||
dri2_drv->base.API.MakeCurrent = dri2_make_current;
|
||
dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
|
||
dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
|
||
dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
|
||
dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
|
||
dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
|
||
dri2_drv->base.API.WaitClient = dri2_wait_client;
|
||
dri2_drv->base.API.WaitNative = dri2_wait_native;
|
||
dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
|
||
dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
|
||
dri2_drv->base.API.SwapInterval = dri2_swap_interval;
|
||
dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
|
||
dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
|
||
dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
|
||
dri2_drv->base.API.SetDamageRegion = dri2_set_damage_region;
|
||
dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
|
||
dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
|
||
dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
|
||
dri2_drv->base.API.CreateImageKHR = dri2_create_image;
|
||
dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
|
||
dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
|
||
dri2_drv->base.API.QuerySurface = dri2_query_surface;
|
||
#ifdef HAVE_LIBDRM
|
||
dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
|
||
dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
|
||
dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
|
||
dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
|
||
dri2_drv->base.API.QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats;
|
||
dri2_drv->base.API.QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers;
|
||
#endif
|
||
#ifdef HAVE_WAYLAND_PLATFORM
|
||
dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
|
||
dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
|
||
dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
|
||
#endif
|
||
dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
|
||
dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
|
||
dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
|
||
dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
|
||
dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
|
||
dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
|
||
dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
|
||
dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
|
||
dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
|
||
|
||
dri2_drv->base.Name = "DRI2";
|
||
dri2_drv->base.Unload = dri2_unload;
|
||
|
||
return &dri2_drv->base;
|
||
}
|