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mesa/src/gallium/frontends/dri/dri_screen.c

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/**************************************************************************
*
* Copyright 2009, VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Author: Keith Whitwell <keithw@vmware.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*/
#include "utils.h"
#include "dri_screen.h"
#include "dri_context.h"
#include "dri_helpers.h"
#include "util/u_inlines.h"
#include "pipe/p_screen.h"
#include "pipe/p_format.h"
#include "pipe-loader/pipe_loader.h"
#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
#include "frontend/drm_driver.h"
#include "util/u_debug.h"
#include "util/format/u_format_s3tc.h"
#define MSAA_VISUAL_MAX_SAMPLES 32
#undef false
const __DRIconfigOptionsExtension gallium_config_options = {
.base = { __DRI_CONFIG_OPTIONS, 2 },
.xml = gallium_driinfo_xml,
.getXml = pipe_loader_get_driinfo_xml
};
#define false 0
static void
dri_fill_st_options(struct dri_screen *screen)
{
struct st_config_options *options = &screen->options;
const struct driOptionCache *optionCache = &screen->dev->option_cache;
options->disable_blend_func_extended =
driQueryOptionb(optionCache, "disable_blend_func_extended");
options->disable_arb_gpu_shader5 =
driQueryOptionb(optionCache, "disable_arb_gpu_shader5");
options->disable_glsl_line_continuations =
driQueryOptionb(optionCache, "disable_glsl_line_continuations");
options->force_glsl_extensions_warn =
driQueryOptionb(optionCache, "force_glsl_extensions_warn");
options->force_glsl_version =
driQueryOptioni(optionCache, "force_glsl_version");
options->allow_glsl_extension_directive_midshader =
driQueryOptionb(optionCache, "allow_glsl_extension_directive_midshader");
options->allow_glsl_builtin_const_expression =
driQueryOptionb(optionCache, "allow_glsl_builtin_const_expression");
options->allow_glsl_relaxed_es =
driQueryOptionb(optionCache, "allow_glsl_relaxed_es");
options->allow_glsl_builtin_variable_redeclaration =
driQueryOptionb(optionCache, "allow_glsl_builtin_variable_redeclaration");
options->allow_higher_compat_version =
driQueryOptionb(optionCache, "allow_higher_compat_version");
options->glsl_zero_init = driQueryOptionb(optionCache, "glsl_zero_init");
options->force_integer_tex_nearest =
driQueryOptionb(optionCache, "force_integer_tex_nearest");
options->vs_position_always_invariant =
driQueryOptionb(optionCache, "vs_position_always_invariant");
options->force_glsl_abs_sqrt =
driQueryOptionb(optionCache, "force_glsl_abs_sqrt");
options->allow_glsl_cross_stage_interpolation_mismatch =
driQueryOptionb(optionCache, "allow_glsl_cross_stage_interpolation_mismatch");
options->allow_glsl_layout_qualifier_on_function_parameters =
driQueryOptionb(optionCache, "allow_glsl_layout_qualifier_on_function_parameters");
options->allow_draw_out_of_order =
driQueryOptionb(optionCache, "allow_draw_out_of_order");
char *vendor_str = driQueryOptionstr(optionCache, "force_gl_vendor");
/* not an empty string */
if (*vendor_str)
options->force_gl_vendor = strdup(vendor_str);
driComputeOptionsSha1(optionCache, options->config_options_sha1);
}
static unsigned
dri_loader_get_cap(struct dri_screen *screen, enum dri_loader_cap cap)
{
const __DRIdri2LoaderExtension *dri2_loader = screen->sPriv->dri2.loader;
const __DRIimageLoaderExtension *image_loader = screen->sPriv->image.loader;
if (dri2_loader && dri2_loader->base.version >= 4 &&
dri2_loader->getCapability)
return dri2_loader->getCapability(screen->sPriv->loaderPrivate, cap);
if (image_loader && image_loader->base.version >= 2 &&
image_loader->getCapability)
return image_loader->getCapability(screen->sPriv->loaderPrivate, cap);
return 0;
}
static const __DRIconfig **
dri_fill_in_modes(struct dri_screen *screen)
{
static const mesa_format mesa_formats[] = {
MESA_FORMAT_B10G10R10A2_UNORM,
MESA_FORMAT_B10G10R10X2_UNORM,
MESA_FORMAT_R10G10B10A2_UNORM,
MESA_FORMAT_R10G10B10X2_UNORM,
MESA_FORMAT_B8G8R8A8_UNORM,
MESA_FORMAT_B8G8R8X8_UNORM,
MESA_FORMAT_B8G8R8A8_SRGB,
MESA_FORMAT_B8G8R8X8_SRGB,
MESA_FORMAT_B5G6R5_UNORM,
MESA_FORMAT_RGBA_FLOAT16,
MESA_FORMAT_RGBX_FLOAT16,
/* The 32-bit RGBA format must not precede the 32-bit BGRA format.
* Likewise for RGBX and BGRX. Otherwise, the GLX client and the GLX
* server may disagree on which format the GLXFBConfig represents,
* resulting in swapped color channels.
*
* The problem, as of 2017-05-30:
* When matching a GLXFBConfig to a __DRIconfig, GLX ignores the channel
* order and chooses the first __DRIconfig with the expected channel
* sizes. Specifically, GLX compares the GLXFBConfig's and __DRIconfig's
* __DRI_ATTRIB_{CHANNEL}_SIZE but ignores __DRI_ATTRIB_{CHANNEL}_MASK.
*
* EGL does not suffer from this problem. It correctly compares the
* channel masks when matching EGLConfig to __DRIconfig.
*/
/* Required by Android, for HAL_PIXEL_FORMAT_RGBA_8888. */
MESA_FORMAT_R8G8B8A8_UNORM,
/* Required by Android, for HAL_PIXEL_FORMAT_RGBX_8888. */
MESA_FORMAT_R8G8B8X8_UNORM,
};
static const enum pipe_format pipe_formats[] = {
PIPE_FORMAT_B10G10R10A2_UNORM,
PIPE_FORMAT_B10G10R10X2_UNORM,
PIPE_FORMAT_R10G10B10A2_UNORM,
PIPE_FORMAT_R10G10B10X2_UNORM,
PIPE_FORMAT_BGRA8888_UNORM,
PIPE_FORMAT_BGRX8888_UNORM,
PIPE_FORMAT_BGRA8888_SRGB,
PIPE_FORMAT_BGRX8888_SRGB,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_R16G16B16X16_FLOAT,
PIPE_FORMAT_RGBA8888_UNORM,
PIPE_FORMAT_RGBX8888_UNORM,
};
mesa_format format;
__DRIconfig **configs = NULL;
uint8_t depth_bits_array[5];
uint8_t stencil_bits_array[5];
unsigned depth_buffer_factor;
unsigned msaa_samples_max;
unsigned i;
struct pipe_screen *p_screen = screen->base.screen;
bool pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
bool mixed_color_depth;
bool allow_rgba_ordering;
bool allow_rgb10;
bool allow_fp16;
static const GLenum back_buffer_modes[] = {
__DRI_ATTRIB_SWAP_NONE, __DRI_ATTRIB_SWAP_UNDEFINED,
__DRI_ATTRIB_SWAP_COPY
};
if (driQueryOptionb(&screen->dev->option_cache, "always_have_depth_buffer")) {
/* all visuals will have a depth buffer */
depth_buffer_factor = 0;
}
else {
depth_bits_array[0] = 0;
stencil_bits_array[0] = 0;
depth_buffer_factor = 1;
}
allow_rgba_ordering = dri_loader_get_cap(screen, DRI_LOADER_CAP_RGBA_ORDERING);
allow_rgb10 = driQueryOptionb(&screen->dev->option_cache, "allow_rgb10_configs");
allow_fp16 = driQueryOptionb(&screen->dev->option_cache, "allow_fp16_configs");
allow_fp16 &= dri_loader_get_cap(screen, DRI_LOADER_CAP_FP16);
msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
? MSAA_VISUAL_MAX_SAMPLES : 1;
pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_DEPTH_STENCIL);
if (pf_z16) {
depth_bits_array[depth_buffer_factor] = 16;
stencil_bits_array[depth_buffer_factor++] = 0;
}
if (pf_x8z24 || pf_z24x8) {
depth_bits_array[depth_buffer_factor] = 24;
stencil_bits_array[depth_buffer_factor++] = 0;
screen->d_depth_bits_last = pf_x8z24;
}
if (pf_s8z24 || pf_z24s8) {
depth_bits_array[depth_buffer_factor] = 24;
stencil_bits_array[depth_buffer_factor++] = 8;
screen->sd_depth_bits_last = pf_s8z24;
}
if (pf_z32) {
depth_bits_array[depth_buffer_factor] = 32;
stencil_bits_array[depth_buffer_factor++] = 0;
}
mixed_color_depth =
p_screen->get_param(p_screen, PIPE_CAP_MIXED_COLOR_DEPTH_BITS);
assert(ARRAY_SIZE(mesa_formats) == ARRAY_SIZE(pipe_formats));
/* Add configs. */
for (format = 0; format < ARRAY_SIZE(mesa_formats); format++) {
__DRIconfig **new_configs = NULL;
unsigned num_msaa_modes = 0; /* includes a single-sample mode */
uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
/* Expose only BGRA ordering if the loader doesn't support RGBA ordering. */
if (!allow_rgba_ordering &&
(mesa_formats[format] == MESA_FORMAT_R8G8B8A8_UNORM ||
mesa_formats[format] == MESA_FORMAT_R8G8B8X8_UNORM))
continue;
if (!allow_rgb10 &&
(mesa_formats[format] == MESA_FORMAT_B10G10R10A2_UNORM ||
mesa_formats[format] == MESA_FORMAT_B10G10R10X2_UNORM ||
mesa_formats[format] == MESA_FORMAT_R10G10B10A2_UNORM ||
mesa_formats[format] == MESA_FORMAT_R10G10B10X2_UNORM))
continue;
if (!allow_fp16 &&
(mesa_formats[format] == MESA_FORMAT_RGBA_FLOAT16 ||
mesa_formats[format] == MESA_FORMAT_RGBX_FLOAT16))
continue;
if (!p_screen->is_format_supported(p_screen, pipe_formats[format],
PIPE_TEXTURE_2D, 0, 0,
PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET))
continue;
for (i = 1; i <= msaa_samples_max; i++) {
int samples = i > 1 ? i : 0;
if (p_screen->is_format_supported(p_screen, pipe_formats[format],
PIPE_TEXTURE_2D, samples, samples,
PIPE_BIND_RENDER_TARGET)) {
msaa_modes[num_msaa_modes++] = samples;
}
}
if (num_msaa_modes) {
/* Single-sample configs with an accumulation buffer. */
new_configs = driCreateConfigs(mesa_formats[format],
depth_bits_array, stencil_bits_array,
depth_buffer_factor, back_buffer_modes,
ARRAY_SIZE(back_buffer_modes),
msaa_modes, 1,
GL_TRUE, !mixed_color_depth, GL_FALSE);
configs = driConcatConfigs(configs, new_configs);
/* Multi-sample configs without an accumulation buffer. */
if (num_msaa_modes > 1) {
new_configs = driCreateConfigs(mesa_formats[format],
depth_bits_array, stencil_bits_array,
depth_buffer_factor, back_buffer_modes,
ARRAY_SIZE(back_buffer_modes),
msaa_modes+1, num_msaa_modes-1,
GL_FALSE, !mixed_color_depth, GL_FALSE);
configs = driConcatConfigs(configs, new_configs);
}
}
}
if (configs == NULL) {
debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
return NULL;
}
return (const __DRIconfig **)configs;
}
/**
* Roughly the converse of dri_fill_in_modes.
*/
void
dri_fill_st_visual(struct st_visual *stvis,
const struct dri_screen *screen,
const struct gl_config *mode)
{
memset(stvis, 0, sizeof(*stvis));
if (!mode) {
stvis->no_config = true;
return;
}
/* Deduce the color format. */
switch (mode->redMask) {
case 0:
/* Formats > 32 bpp */
assert(mode->floatMode);
if (mode->alphaShift > -1) {
assert(mode->alphaShift == 48);
stvis->color_format = PIPE_FORMAT_R16G16B16A16_FLOAT;
} else {
stvis->color_format = PIPE_FORMAT_R16G16B16X16_FLOAT;
}
break;
case 0x3FF00000:
if (mode->alphaMask) {
assert(mode->alphaMask == 0xC0000000);
stvis->color_format = PIPE_FORMAT_B10G10R10A2_UNORM;
} else {
stvis->color_format = PIPE_FORMAT_B10G10R10X2_UNORM;
}
break;
case 0x000003FF:
if (mode->alphaMask) {
assert(mode->alphaMask == 0xC0000000);
stvis->color_format = PIPE_FORMAT_R10G10B10A2_UNORM;
} else {
stvis->color_format = PIPE_FORMAT_R10G10B10X2_UNORM;
}
break;
case 0x00FF0000:
if (mode->alphaMask) {
assert(mode->alphaMask == 0xFF000000);
stvis->color_format = mode->sRGBCapable ?
PIPE_FORMAT_BGRA8888_SRGB :
PIPE_FORMAT_BGRA8888_UNORM;
} else {
stvis->color_format = mode->sRGBCapable ?
PIPE_FORMAT_BGRX8888_SRGB :
PIPE_FORMAT_BGRX8888_UNORM;
}
break;
case 0x000000FF:
if (mode->alphaMask) {
assert(mode->alphaMask == 0xFF000000);
stvis->color_format = mode->sRGBCapable ?
PIPE_FORMAT_RGBA8888_SRGB :
PIPE_FORMAT_RGBA8888_UNORM;
} else {
stvis->color_format = mode->sRGBCapable ?
PIPE_FORMAT_RGBX8888_SRGB :
PIPE_FORMAT_RGBX8888_UNORM;
}
break;
case 0x0000F800:
stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
break;
default:
assert(!"unsupported visual: invalid red mask");
return;
}
if (mode->sampleBuffers) {
stvis->samples = mode->samples;
}
switch (mode->depthBits) {
default:
case 0:
stvis->depth_stencil_format = PIPE_FORMAT_NONE;
break;
case 16:
stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
break;
case 24:
if (mode->stencilBits == 0) {
stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
PIPE_FORMAT_Z24X8_UNORM:
PIPE_FORMAT_X8Z24_UNORM;
} else {
stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
PIPE_FORMAT_Z24_UNORM_S8_UINT:
PIPE_FORMAT_S8_UINT_Z24_UNORM;
}
break;
case 32:
stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
break;
}
stvis->accum_format = (mode->accumRedBits > 0) ?
PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
if (mode->doubleBufferMode) {
stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
}
if (mode->stereoMode) {
stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
if (mode->doubleBufferMode)
stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
}
if (mode->depthBits > 0 || mode->stencilBits > 0)
stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
/* let the gallium frontend allocate the accum buffer */
}
static bool
dri_get_egl_image(struct st_manager *smapi,
void *egl_image,
struct st_egl_image *stimg)
{
struct dri_screen *screen = (struct dri_screen *)smapi;
__DRIimage *img = NULL;
const struct dri2_format_mapping *map;
if (screen->lookup_egl_image) {
img = screen->lookup_egl_image(screen, egl_image);
}
if (!img)
return FALSE;
stimg->texture = NULL;
pipe_resource_reference(&stimg->texture, img->texture);
map = dri2_get_mapping_by_fourcc(img->dri_fourcc);
stimg->format = map ? map->pipe_format : img->texture->format;
stimg->level = img->level;
stimg->layer = img->layer;
if (img->imported_dmabuf && map) {
/* Guess sized internal format for dma-bufs. Could be used
* by EXT_EGL_image_storage.
*/
mesa_format mesa_format = driImageFormatToGLFormat(map->dri_format);
stimg->internalformat = driGLFormatToSizedInternalGLFormat(mesa_format);
}
return TRUE;
}
static int
dri_get_param(struct st_manager *smapi,
enum st_manager_param param)
{
struct dri_screen *screen = (struct dri_screen *)smapi;
switch(param) {
case ST_MANAGER_BROKEN_INVALIDATE:
return screen->broken_invalidate;
default:
return 0;
}
}
void
dri_destroy_screen_helper(struct dri_screen * screen)
{
if (screen->base.destroy)
screen->base.destroy(&screen->base);
if (screen->st_api && screen->st_api->destroy)
screen->st_api->destroy(screen->st_api);
if (screen->base.screen)
screen->base.screen->destroy(screen->base.screen);
mtx_destroy(&screen->opencl_func_mutex);
}
void
dri_destroy_screen(__DRIscreen * sPriv)
{
struct dri_screen *screen = dri_screen(sPriv);
dri_destroy_screen_helper(screen);
pipe_loader_release(&screen->dev, 1);
free(screen->options.force_gl_vendor);
/* The caller in dri_util preserves the fd ownership */
free(screen);
sPriv->driverPrivate = NULL;
sPriv->extensions = NULL;
}
static void
dri_postprocessing_init(struct dri_screen *screen)
{
unsigned i;
for (i = 0; i < PP_FILTERS; i++) {
screen->pp_enabled[i] = driQueryOptioni(&screen->dev->option_cache,
pp_filters[i].name);
}
}
static void
dri_set_background_context(struct st_context_iface *st,
struct util_queue_monitoring *queue_info)
{
struct dri_context *ctx = (struct dri_context *)st->st_manager_private;
const __DRIbackgroundCallableExtension *backgroundCallable =
ctx->sPriv->dri2.backgroundCallable;
/* Note: Mesa will only call this function if GL multithreading is enabled
* We only do that if the loader exposed the __DRI_BACKGROUND_CALLABLE
* extension. So we know that backgroundCallable is not NULL.
*/
assert(backgroundCallable);
backgroundCallable->setBackgroundContext(ctx->cPriv->loaderPrivate);
if (ctx->hud)
hud_add_queue_for_monitoring(ctx->hud, queue_info);
}
void
dri_init_options(struct dri_screen *screen)
{
pipe_loader_load_options(screen->dev);
dri_fill_st_options(screen);
}
const __DRIconfig **
dri_init_screen_helper(struct dri_screen *screen,
struct pipe_screen *pscreen)
{
screen->base.screen = pscreen;
screen->base.get_egl_image = dri_get_egl_image;
screen->base.get_param = dri_get_param;
screen->base.set_background_context = dri_set_background_context;
screen->st_api = st_gl_api_create();
if (!screen->st_api)
return NULL;
if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
screen->target = PIPE_TEXTURE_2D;
else
screen->target = PIPE_TEXTURE_RECT;
dri_postprocessing_init(screen);
screen->st_api->query_versions(screen->st_api, &screen->base,
&screen->options,
&screen->sPriv->max_gl_core_version,
&screen->sPriv->max_gl_compat_version,
&screen->sPriv->max_gl_es1_version,
&screen->sPriv->max_gl_es2_version);
return dri_fill_in_modes(screen);
}
/* vim: set sw=3 ts=8 sts=3 expandtab: */
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