467 lines
18 KiB
C
467 lines
18 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 2010 LunarG Inc.
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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 shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, 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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* Chia-I Wu <olv@lunarg.com>
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*/
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#include <GL/internal/dri_interface.h>
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#include "main/errors.h"
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#include "main/texobj.h"
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#include "main/teximage.h"
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#include "util/u_inlines.h"
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#include "util/format/u_format.h"
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#include "st_cb_eglimage.h"
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#include "st_context.h"
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#include "st_texture.h"
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#include "st_format.h"
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#include "st_manager.h"
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#include "st_sampler_view.h"
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#include "util/u_surface.h"
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static bool
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is_format_supported(struct pipe_screen *screen, enum pipe_format format,
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unsigned nr_samples, unsigned nr_storage_samples,
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unsigned usage, bool *native_supported)
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{
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bool supported = screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
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nr_samples, nr_storage_samples,
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usage);
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*native_supported = supported;
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/* for sampling, some formats can be emulated.. it doesn't matter that
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* the surface will have a format that the driver can't cope with because
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* we'll give it sampler view formats that it can deal with and generate
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* a shader variant that converts.
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*/
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if ((usage == PIPE_BIND_SAMPLER_VIEW) && !supported) {
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switch (format) {
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case PIPE_FORMAT_IYUV:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_NV12:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) &&
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screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_P010:
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case PIPE_FORMAT_P012:
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case PIPE_FORMAT_P016:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) &&
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screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_Y210:
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case PIPE_FORMAT_Y212:
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case PIPE_FORMAT_Y216:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) &&
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screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_Y410:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_Y412:
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case PIPE_FORMAT_Y416:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_YUYV:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_R8G8_R8B8_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) ||
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(screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) &&
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screen->is_format_supported(screen, PIPE_FORMAT_BGRA8888_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage));
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break;
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case PIPE_FORMAT_UYVY:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_G8R8_B8R8_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) ||
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(screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage) &&
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screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage));
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break;
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case PIPE_FORMAT_AYUV:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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case PIPE_FORMAT_XYUV:
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supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBX8888_UNORM,
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PIPE_TEXTURE_2D, nr_samples,
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nr_storage_samples, usage);
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break;
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default:
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break;
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}
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}
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return supported;
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}
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static bool
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is_nv12_as_r8_g8b8_supported(struct pipe_screen *screen, struct st_egl_image *out,
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unsigned usage, bool *native_supported)
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{
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if (out->format == PIPE_FORMAT_NV12 &&
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out->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM &&
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screen->is_format_supported(screen, PIPE_FORMAT_R8_G8B8_420_UNORM,
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PIPE_TEXTURE_2D,
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out->texture->nr_samples,
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out->texture->nr_storage_samples,
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usage)) {
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*native_supported = false;
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return true;
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}
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return false;
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}
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/**
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* Return the gallium texture of an EGLImage.
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*/
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static bool
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st_get_egl_image(struct gl_context *ctx, GLeglImageOES image_handle,
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unsigned usage, const char *error, struct st_egl_image *out,
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bool *native_supported)
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{
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struct st_context *st = st_context(ctx);
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struct pipe_screen *screen = st->screen;
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struct st_manager *smapi =
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(struct st_manager *) st->iface.st_context_private;
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if (!smapi || !smapi->get_egl_image)
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return false;
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memset(out, 0, sizeof(*out));
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if (!smapi->get_egl_image(smapi, (void *) image_handle, out)) {
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/* image_handle does not refer to a valid EGL image object */
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_mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error);
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return false;
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}
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if (!is_nv12_as_r8_g8b8_supported(screen, out, usage, native_supported) &&
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!is_format_supported(screen, out->format, out->texture->nr_samples,
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out->texture->nr_storage_samples, usage,
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native_supported)) {
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/* unable to specify a texture object using the specified EGL image */
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pipe_resource_reference(&out->texture, NULL);
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_mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error);
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return false;
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}
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ctx->Shared->HasExternallySharedImages = true;
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return true;
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}
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/**
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* Return the base format just like _mesa_base_fbo_format does.
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*/
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static GLenum
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st_pipe_format_to_base_format(enum pipe_format format)
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{
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GLenum base_format;
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if (util_format_is_depth_or_stencil(format)) {
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if (util_format_is_depth_and_stencil(format)) {
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base_format = GL_DEPTH_STENCIL;
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}
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else {
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if (format == PIPE_FORMAT_S8_UINT)
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base_format = GL_STENCIL_INDEX;
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else
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base_format = GL_DEPTH_COMPONENT;
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}
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}
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else {
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/* is this enough? */
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if (util_format_has_alpha(format))
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base_format = GL_RGBA;
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else
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base_format = GL_RGB;
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}
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return base_format;
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}
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void
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st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
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struct gl_renderbuffer *rb,
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GLeglImageOES image_handle)
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{
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struct st_egl_image stimg;
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bool native_supported;
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if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
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"glEGLImageTargetRenderbufferStorage",
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&stimg, &native_supported)) {
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struct pipe_context *pipe = st_context(ctx)->pipe;
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struct pipe_surface *ps, surf_tmpl;
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u_surface_default_template(&surf_tmpl, stimg.texture);
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surf_tmpl.format = stimg.format;
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surf_tmpl.u.tex.level = stimg.level;
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surf_tmpl.u.tex.first_layer = stimg.layer;
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surf_tmpl.u.tex.last_layer = stimg.layer;
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ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl);
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pipe_resource_reference(&stimg.texture, NULL);
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if (!ps)
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return;
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rb->Format = st_pipe_format_to_mesa_format(ps->format);
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rb->_BaseFormat = st_pipe_format_to_base_format(ps->format);
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rb->InternalFormat = rb->_BaseFormat;
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st_set_ws_renderbuffer_surface(rb, ps);
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pipe_surface_reference(&ps, NULL);
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}
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}
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static void
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st_bind_egl_image(struct gl_context *ctx,
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struct gl_texture_object *texObj,
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struct gl_texture_image *texImage,
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struct st_egl_image *stimg,
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bool tex_storage,
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bool native_supported)
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{
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struct st_context *st = st_context(ctx);
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GLenum internalFormat;
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mesa_format texFormat;
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if (stimg->internalformat) {
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internalFormat = stimg->internalformat;
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} else {
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/* map pipe format to base format */
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if (util_format_get_component_bits(stimg->format,
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UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
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internalFormat = GL_RGBA;
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else
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internalFormat = GL_RGB;
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}
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/* switch to surface based */
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if (!texObj->surface_based) {
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_mesa_clear_texture_object(ctx, texObj, NULL);
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texObj->surface_based = GL_TRUE;
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}
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/* TODO RequiredTextureImageUnits should probably be reset back
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* to 1 somewhere if different texture is bound??
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*/
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if (!native_supported) {
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switch (stimg->format) {
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case PIPE_FORMAT_NV12:
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if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM) {
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texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
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texObj->RequiredTextureImageUnits = 1;
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} else {
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texFormat = MESA_FORMAT_R_UNORM8;
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texObj->RequiredTextureImageUnits = 2;
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}
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break;
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case PIPE_FORMAT_P010:
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case PIPE_FORMAT_P012:
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case PIPE_FORMAT_P016:
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texFormat = MESA_FORMAT_R_UNORM16;
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texObj->RequiredTextureImageUnits = 2;
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break;
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case PIPE_FORMAT_Y210:
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case PIPE_FORMAT_Y212:
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case PIPE_FORMAT_Y216:
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texFormat = MESA_FORMAT_RG_UNORM16;
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texObj->RequiredTextureImageUnits = 2;
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break;
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case PIPE_FORMAT_Y410:
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texFormat = MESA_FORMAT_B10G10R10A2_UNORM;
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internalFormat = GL_RGBA;
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texObj->RequiredTextureImageUnits = 1;
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break;
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case PIPE_FORMAT_Y412:
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case PIPE_FORMAT_Y416:
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texFormat = MESA_FORMAT_RGBA_UNORM16;
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internalFormat = GL_RGBA;
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texObj->RequiredTextureImageUnits = 1;
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break;
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case PIPE_FORMAT_IYUV:
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texFormat = MESA_FORMAT_R_UNORM8;
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texObj->RequiredTextureImageUnits = 3;
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break;
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case PIPE_FORMAT_YUYV:
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case PIPE_FORMAT_UYVY:
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if (stimg->texture->format == PIPE_FORMAT_R8G8_R8B8_UNORM) {
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texFormat = MESA_FORMAT_RG_RB_UNORM8;
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texObj->RequiredTextureImageUnits = 1;
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} else if (stimg->texture->format == PIPE_FORMAT_G8R8_B8R8_UNORM) {
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texFormat = MESA_FORMAT_GR_BR_UNORM8;
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texObj->RequiredTextureImageUnits = 1;
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} else {
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texFormat = MESA_FORMAT_RG_UNORM8;
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texObj->RequiredTextureImageUnits = 2;
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}
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break;
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case PIPE_FORMAT_AYUV:
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texFormat = MESA_FORMAT_R8G8B8A8_UNORM;
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internalFormat = GL_RGBA;
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texObj->RequiredTextureImageUnits = 1;
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break;
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case PIPE_FORMAT_XYUV:
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texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
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texObj->RequiredTextureImageUnits = 1;
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break;
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default:
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unreachable("unexpected emulated format");
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break;
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}
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} else {
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texFormat = st_pipe_format_to_mesa_format(stimg->format);
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/* Use previously derived internalformat as specified by
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* EXT_EGL_image_storage.
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*/
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if (tex_storage && texObj->Target == GL_TEXTURE_2D
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&& stimg->internalformat) {
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internalFormat = stimg->internalformat;
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if (internalFormat == GL_NONE) {
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_mesa_error(ctx, GL_INVALID_OPERATION, __func__);
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return;
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}
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}
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}
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assert(texFormat != MESA_FORMAT_NONE);
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/* Minify texture size based on level set on the EGLImage. */
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uint32_t width = u_minify(stimg->texture->width0, stimg->level);
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uint32_t height = u_minify(stimg->texture->height0, stimg->level);
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_mesa_init_teximage_fields(ctx, texImage, width, height,
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1, 0, internalFormat, texFormat);
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pipe_resource_reference(&texObj->pt, stimg->texture);
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st_texture_release_all_sampler_views(st, texObj);
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pipe_resource_reference(&texImage->pt, texObj->pt);
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if (st->screen->resource_changed)
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st->screen->resource_changed(st->screen, texImage->pt);
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texObj->surface_format = stimg->format;
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switch (stimg->yuv_color_space) {
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case __DRI_YUV_COLOR_SPACE_ITU_REC709:
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texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC709;
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break;
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case __DRI_YUV_COLOR_SPACE_ITU_REC2020:
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texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC2020;
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break;
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default:
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texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC601;
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break;
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}
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if (stimg->yuv_range == __DRI_YUV_FULL_RANGE)
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texObj->yuv_full_range = true;
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texObj->level_override = stimg->level;
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texObj->layer_override = stimg->layer;
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_mesa_dirty_texobj(ctx, texObj);
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}
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void
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st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target,
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struct gl_texture_object *texObj,
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struct gl_texture_image *texImage,
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GLeglImageOES image_handle)
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{
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struct st_egl_image stimg;
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bool native_supported;
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if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
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"glEGLImageTargetTexture2D", &stimg,
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&native_supported))
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return;
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st_bind_egl_image(ctx, texObj, texImage, &stimg,
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target != GL_TEXTURE_EXTERNAL_OES,
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native_supported);
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pipe_resource_reference(&stimg.texture, NULL);
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}
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void
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st_egl_image_target_tex_storage(struct gl_context *ctx, GLenum target,
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struct gl_texture_object *texObj,
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struct gl_texture_image *texImage,
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GLeglImageOES image_handle)
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{
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struct st_egl_image stimg;
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bool native_supported;
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if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
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"glEGLImageTargetTexture2D", &stimg,
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&native_supported))
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return;
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st_bind_egl_image(ctx, texObj, texImage, &stimg, true, native_supported);
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pipe_resource_reference(&stimg.texture, NULL);
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}
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static GLboolean
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st_validate_egl_image(struct gl_context *ctx, GLeglImageOES image_handle)
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{
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struct st_context *st = st_context(ctx);
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struct st_manager *smapi =
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(struct st_manager *) st->iface.st_context_private;
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return smapi->validate_egl_image(smapi, (void *)image_handle);
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}
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void
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st_init_eglimage_functions(struct dd_function_table *functions,
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bool has_egl_image_validate)
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{
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if (has_egl_image_validate)
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functions->ValidateEGLImage = st_validate_egl_image;
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}
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