mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
e2794c0b45
When loading the symbols for transform_feedback2, we marked it as for texture_storage. This would mean that if draw_buffers_indexed loading failed, and we checked for the feature support, it would indicate it is supported even though it is backed by nothing. Differential Revision: https://phabricator.services.mozilla.com/D136388
2655 lines
100 KiB
C++
2655 lines
100 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GLContext.h"
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#include <algorithm>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <regex>
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#include <string>
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#include <vector>
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#ifdef MOZ_WIDGET_ANDROID
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# include <sys/mman.h>
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#endif
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#if defined(XP_LINUX) && !defined(ANDROID)
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// For MesaMemoryLeakWorkaround
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# include <dlfcn.h>
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# include <link.h>
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#endif
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#include "GLBlitHelper.h"
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#include "GLReadTexImageHelper.h"
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#include "GLScreenBuffer.h"
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#include "gfxCrashReporterUtils.h"
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#include "gfxEnv.h"
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#include "gfxUtils.h"
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#include "GLContextProvider.h"
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#include "GLLibraryLoader.h"
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#include "GLTextureImage.h"
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#include "nsPrintfCString.h"
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#include "nsThreadUtils.h"
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#include "prenv.h"
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#include "prlink.h"
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#include "ScopedGLHelpers.h"
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#include "SharedSurfaceGL.h"
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#include "GfxTexturesReporter.h"
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#include "gfx2DGlue.h"
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#include "mozilla/StaticPrefs_gfx.h"
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#include "mozilla/StaticPrefs_gl.h"
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#include "mozilla/IntegerPrintfMacros.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/layers/BuildConstants.h"
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#include "mozilla/layers/TextureForwarder.h" // for LayersIPCChannel
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#include "OGLShaderProgram.h" // for ShaderProgramType
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#include "mozilla/DebugOnly.h"
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#include "mozilla/Maybe.h"
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#ifdef XP_MACOSX
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# include <CoreServices/CoreServices.h>
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#endif
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#if defined(MOZ_WIDGET_COCOA)
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# include "nsCocoaFeatures.h"
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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# include "mozilla/jni/Utils.h"
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#endif
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namespace mozilla {
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namespace gl {
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using namespace mozilla::gfx;
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using namespace mozilla::layers;
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MOZ_THREAD_LOCAL(uintptr_t) GLContext::sCurrentContext;
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// If adding defines, don't forget to undefine symbols. See #undef block below.
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// clang-format off
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#define CORE_SYMBOL(x) { (PRFuncPtr*) &mSymbols.f##x, {{ "gl" #x }} }
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#define CORE_EXT_SYMBOL2(x,y,z) { (PRFuncPtr*) &mSymbols.f##x, {{ "gl" #x, "gl" #x #y, "gl" #x #z }} }
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#define EXT_SYMBOL2(x,y,z) { (PRFuncPtr*) &mSymbols.f##x, {{ "gl" #x #y, "gl" #x #z }} }
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#define EXT_SYMBOL3(x,y,z,w) { (PRFuncPtr*) &mSymbols.f##x, {{ "gl" #x #y, "gl" #x #z, "gl" #x #w }} }
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#define END_SYMBOLS { nullptr, {} }
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// clang-format on
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// should match the order of GLExtensions, and be null-terminated.
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static const char* const sExtensionNames[] = {
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"NO_EXTENSION",
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"GL_AMD_compressed_ATC_texture",
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"GL_ANGLE_depth_texture",
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"GL_ANGLE_framebuffer_blit",
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"GL_ANGLE_framebuffer_multisample",
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"GL_ANGLE_instanced_arrays",
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"GL_ANGLE_multiview",
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"GL_ANGLE_texture_compression_dxt3",
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"GL_ANGLE_texture_compression_dxt5",
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"GL_ANGLE_timer_query",
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"GL_APPLE_client_storage",
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"GL_APPLE_fence",
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"GL_APPLE_framebuffer_multisample",
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"GL_APPLE_sync",
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"GL_APPLE_texture_range",
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"GL_APPLE_vertex_array_object",
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"GL_ARB_ES2_compatibility",
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"GL_ARB_ES3_compatibility",
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"GL_ARB_color_buffer_float",
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"GL_ARB_compatibility",
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"GL_ARB_copy_buffer",
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"GL_ARB_depth_texture",
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"GL_ARB_draw_buffers",
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"GL_ARB_draw_instanced",
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"GL_ARB_framebuffer_object",
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"GL_ARB_framebuffer_sRGB",
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"GL_ARB_geometry_shader4",
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"GL_ARB_half_float_pixel",
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"GL_ARB_instanced_arrays",
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"GL_ARB_internalformat_query",
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"GL_ARB_invalidate_subdata",
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"GL_ARB_map_buffer_range",
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"GL_ARB_occlusion_query2",
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"GL_ARB_pixel_buffer_object",
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"GL_ARB_robust_buffer_access_behavior",
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"GL_ARB_robustness",
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"GL_ARB_sampler_objects",
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"GL_ARB_seamless_cube_map",
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"GL_ARB_shader_texture_lod",
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"GL_ARB_sync",
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"GL_ARB_texture_compression",
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"GL_ARB_texture_compression_bptc",
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"GL_ARB_texture_compression_rgtc",
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"GL_ARB_texture_float",
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"GL_ARB_texture_non_power_of_two",
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"GL_ARB_texture_rectangle",
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"GL_ARB_texture_rg",
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"GL_ARB_texture_storage",
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"GL_ARB_texture_swizzle",
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"GL_ARB_timer_query",
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"GL_ARB_transform_feedback2",
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"GL_ARB_uniform_buffer_object",
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"GL_ARB_vertex_array_object",
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"GL_CHROMIUM_color_buffer_float_rgb",
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"GL_CHROMIUM_color_buffer_float_rgba",
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"GL_EXT_bgra",
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"GL_EXT_blend_minmax",
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"GL_EXT_color_buffer_float",
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"GL_EXT_color_buffer_half_float",
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"GL_EXT_copy_texture",
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"GL_EXT_disjoint_timer_query",
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"GL_EXT_draw_buffers",
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"GL_EXT_draw_buffers2",
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"GL_EXT_draw_instanced",
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"GL_EXT_float_blend",
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"GL_EXT_frag_depth",
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"GL_EXT_framebuffer_blit",
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"GL_EXT_framebuffer_multisample",
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"GL_EXT_framebuffer_object",
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"GL_EXT_framebuffer_sRGB",
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"GL_EXT_gpu_shader4",
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"GL_EXT_map_buffer_range",
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"GL_EXT_multisampled_render_to_texture",
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"GL_EXT_occlusion_query_boolean",
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"GL_EXT_packed_depth_stencil",
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"GL_EXT_read_format_bgra",
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"GL_EXT_robustness",
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"GL_EXT_sRGB",
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"GL_EXT_sRGB_write_control",
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"GL_EXT_shader_texture_lod",
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"GL_EXT_texture_compression_bptc",
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"GL_EXT_texture_compression_dxt1",
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"GL_EXT_texture_compression_rgtc",
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"GL_EXT_texture_compression_s3tc",
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"GL_EXT_texture_compression_s3tc_srgb",
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"GL_EXT_texture_filter_anisotropic",
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"GL_EXT_texture_format_BGRA8888",
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"GL_EXT_texture_norm16",
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"GL_EXT_texture_sRGB",
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"GL_EXT_texture_storage",
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"GL_EXT_timer_query",
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"GL_EXT_transform_feedback",
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"GL_EXT_unpack_subimage",
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"GL_IMG_read_format",
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"GL_IMG_texture_compression_pvrtc",
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"GL_IMG_texture_npot",
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"GL_KHR_debug",
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"GL_KHR_parallel_shader_compile",
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"GL_KHR_robust_buffer_access_behavior",
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"GL_KHR_robustness",
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"GL_KHR_texture_compression_astc_hdr",
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"GL_KHR_texture_compression_astc_ldr",
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"GL_NV_draw_instanced",
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"GL_NV_fence",
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"GL_NV_framebuffer_blit",
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"GL_NV_geometry_program4",
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"GL_NV_half_float",
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"GL_NV_instanced_arrays",
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"GL_NV_primitive_restart",
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"GL_NV_texture_barrier",
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"GL_NV_transform_feedback",
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"GL_NV_transform_feedback2",
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"GL_OES_EGL_image",
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"GL_OES_EGL_image_external",
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"GL_OES_EGL_sync",
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"GL_OES_compressed_ETC1_RGB8_texture",
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"GL_OES_depth24",
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"GL_OES_depth32",
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"GL_OES_depth_texture",
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"GL_OES_draw_buffers_indexed",
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"GL_OES_element_index_uint",
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"GL_OES_fbo_render_mipmap",
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"GL_OES_framebuffer_object",
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"GL_OES_packed_depth_stencil",
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"GL_OES_rgb8_rgba8",
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"GL_OES_standard_derivatives",
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"GL_OES_stencil8",
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"GL_OES_texture_3D",
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"GL_OES_texture_float",
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"GL_OES_texture_float_linear",
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"GL_OES_texture_half_float",
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"GL_OES_texture_half_float_linear",
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"GL_OES_texture_npot",
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"GL_OES_vertex_array_object",
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"GL_OVR_multiview2"};
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static bool ShouldUseTLSIsCurrent(bool useTLSIsCurrent) {
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if (StaticPrefs::gl_use_tls_is_current() == 0) {
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return useTLSIsCurrent;
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}
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return StaticPrefs::gl_use_tls_is_current() > 0;
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}
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static bool ParseVersion(const std::string& versionStr,
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uint32_t* const out_major, uint32_t* const out_minor) {
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static const std::regex kVersionRegex("([0-9]+)\\.([0-9]+)");
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std::smatch match;
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if (!std::regex_search(versionStr, match, kVersionRegex)) return false;
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const auto& majorStr = match.str(1);
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const auto& minorStr = match.str(2);
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*out_major = atoi(majorStr.c_str());
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*out_minor = atoi(minorStr.c_str());
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return true;
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}
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/*static*/
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uint8_t GLContext::ChooseDebugFlags(const CreateContextFlags createFlags) {
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uint8_t debugFlags = 0;
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#ifdef MOZ_GL_DEBUG
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if (gfxEnv::GlDebug()) {
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debugFlags |= GLContext::DebugFlagEnabled;
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}
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// Enables extra verbose output, informing of the start and finish of every GL
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// call. Useful e.g. to record information to investigate graphics system
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// crashes/lockups
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if (gfxEnv::GlDebugVerbose()) {
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debugFlags |= GLContext::DebugFlagTrace;
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}
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// Aborts on GL error. Can be useful to debug quicker code that is known not
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// to generate any GL error in principle.
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bool abortOnError = false;
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if (createFlags & CreateContextFlags::NO_VALIDATION) {
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abortOnError = true;
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const auto fnStringsMatch = [](const char* a, const char* b) {
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return strcmp(a, b) == 0;
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};
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const char* envAbortOnError = PR_GetEnv("MOZ_GL_DEBUG_ABORT_ON_ERROR");
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if (envAbortOnError && fnStringsMatch(envAbortOnError, "0")) {
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abortOnError = false;
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}
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}
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if (abortOnError) {
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debugFlags |= GLContext::DebugFlagAbortOnError;
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}
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#endif
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return debugFlags;
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}
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GLContext::GLContext(const GLContextDesc& desc, GLContext* sharedContext,
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bool useTLSIsCurrent)
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: mDesc(desc),
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mUseTLSIsCurrent(ShouldUseTLSIsCurrent(useTLSIsCurrent)),
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mDebugFlags(ChooseDebugFlags(mDesc.flags)),
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mSharedContext(sharedContext),
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mWorkAroundDriverBugs(
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StaticPrefs::gfx_work_around_driver_bugs_AtStartup()) {
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mOwningThreadId = PlatformThread::CurrentId();
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MOZ_ALWAYS_TRUE(sCurrentContext.init());
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sCurrentContext.set(0);
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}
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GLContext::~GLContext() {
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NS_ASSERTION(
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IsDestroyed(),
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"GLContext implementation must call MarkDestroyed in destructor!");
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#ifdef MOZ_GL_DEBUG
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if (mSharedContext) {
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GLContext* tip = mSharedContext;
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while (tip->mSharedContext) tip = tip->mSharedContext;
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tip->SharedContextDestroyed(this);
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tip->ReportOutstandingNames();
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} else {
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ReportOutstandingNames();
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}
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#endif
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}
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/*static*/
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void GLContext::StaticDebugCallback(GLenum source, GLenum type, GLuint id,
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GLenum severity, GLsizei length,
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const GLchar* message,
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const GLvoid* userParam) {
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GLContext* gl = (GLContext*)userParam;
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gl->DebugCallback(source, type, id, severity, length, message);
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}
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bool GLContext::Init() {
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MOZ_RELEASE_ASSERT(!mSymbols.fBindFramebuffer,
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"GFX: GLContext::Init should only be called once.");
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ScopedGfxFeatureReporter reporter("GL Context");
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if (!InitImpl()) {
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// If initialization fails, zero the symbols to avoid hard-to-understand
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// bugs.
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mSymbols = {};
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NS_WARNING("GLContext::InitWithPrefix failed!");
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return false;
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}
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reporter.SetSuccessful();
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return true;
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}
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static bool LoadSymbolsWithDesc(const SymbolLoader& loader,
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const SymLoadStruct* list, const char* desc) {
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const auto warnOnFailure = bool(desc);
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if (loader.LoadSymbols(list, warnOnFailure)) return true;
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ClearSymbols(list);
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if (desc) {
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const nsPrintfCString err("Failed to load symbols for %s.", desc);
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NS_ERROR(err.BeginReading());
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}
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return false;
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}
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bool GLContext::LoadExtSymbols(const SymbolLoader& loader,
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const SymLoadStruct* list, GLExtensions ext) {
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const char* extName = sExtensionNames[size_t(ext)];
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if (!LoadSymbolsWithDesc(loader, list, extName)) {
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MarkExtensionUnsupported(ext);
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return false;
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}
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return true;
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};
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bool GLContext::LoadFeatureSymbols(const SymbolLoader& loader,
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const SymLoadStruct* list,
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GLFeature feature) {
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const char* featureName = GetFeatureName(feature);
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if (!LoadSymbolsWithDesc(loader, list, featureName)) {
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MarkUnsupported(feature);
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return false;
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}
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return true;
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};
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bool GLContext::InitImpl() {
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if (!MakeCurrent(true)) return false;
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const auto loader = GetSymbolLoader();
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if (!loader) return false;
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const auto fnLoadSymbols = [&](const SymLoadStruct* const list,
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const char* const desc) {
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return LoadSymbolsWithDesc(*loader, list, desc);
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};
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// clang-format off
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const SymLoadStruct coreSymbols[] = {
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{ (PRFuncPtr*) &mSymbols.fActiveTexture, {{ "glActiveTexture", "glActiveTextureARB" }} },
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{ (PRFuncPtr*) &mSymbols.fAttachShader, {{ "glAttachShader", "glAttachShaderARB" }} },
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{ (PRFuncPtr*) &mSymbols.fBindAttribLocation, {{ "glBindAttribLocation", "glBindAttribLocationARB" }} },
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{ (PRFuncPtr*) &mSymbols.fBindBuffer, {{ "glBindBuffer", "glBindBufferARB" }} },
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{ (PRFuncPtr*) &mSymbols.fBindTexture, {{ "glBindTexture", "glBindTextureARB" }} },
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{ (PRFuncPtr*) &mSymbols.fBlendColor, {{ "glBlendColor" }} },
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{ (PRFuncPtr*) &mSymbols.fBlendEquation, {{ "glBlendEquation" }} },
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{ (PRFuncPtr*) &mSymbols.fBlendEquationSeparate, {{ "glBlendEquationSeparate", "glBlendEquationSeparateEXT" }} },
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{ (PRFuncPtr*) &mSymbols.fBlendFunc, {{ "glBlendFunc" }} },
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{ (PRFuncPtr*) &mSymbols.fBlendFuncSeparate, {{ "glBlendFuncSeparate", "glBlendFuncSeparateEXT" }} },
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{ (PRFuncPtr*) &mSymbols.fBufferData, {{ "glBufferData" }} },
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{ (PRFuncPtr*) &mSymbols.fBufferSubData, {{ "glBufferSubData" }} },
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{ (PRFuncPtr*) &mSymbols.fClear, {{ "glClear" }} },
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{ (PRFuncPtr*) &mSymbols.fClearColor, {{ "glClearColor" }} },
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{ (PRFuncPtr*) &mSymbols.fClearStencil, {{ "glClearStencil" }} },
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{ (PRFuncPtr*) &mSymbols.fColorMask, {{ "glColorMask" }} },
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{ (PRFuncPtr*) &mSymbols.fCompressedTexImage2D, {{ "glCompressedTexImage2D" }} },
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{ (PRFuncPtr*) &mSymbols.fCompressedTexSubImage2D, {{ "glCompressedTexSubImage2D" }} },
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{ (PRFuncPtr*) &mSymbols.fCullFace, {{ "glCullFace" }} },
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{ (PRFuncPtr*) &mSymbols.fDetachShader, {{ "glDetachShader", "glDetachShaderARB" }} },
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{ (PRFuncPtr*) &mSymbols.fDepthFunc, {{ "glDepthFunc" }} },
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{ (PRFuncPtr*) &mSymbols.fDepthMask, {{ "glDepthMask" }} },
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{ (PRFuncPtr*) &mSymbols.fDisable, {{ "glDisable" }} },
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{ (PRFuncPtr*) &mSymbols.fDisableVertexAttribArray, {{ "glDisableVertexAttribArray", "glDisableVertexAttribArrayARB" }} },
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{ (PRFuncPtr*) &mSymbols.fDrawArrays, {{ "glDrawArrays" }} },
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{ (PRFuncPtr*) &mSymbols.fDrawElements, {{ "glDrawElements" }} },
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{ (PRFuncPtr*) &mSymbols.fEnable, {{ "glEnable" }} },
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{ (PRFuncPtr*) &mSymbols.fEnableVertexAttribArray, {{ "glEnableVertexAttribArray", "glEnableVertexAttribArrayARB" }} },
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{ (PRFuncPtr*) &mSymbols.fFinish, {{ "glFinish" }} },
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{ (PRFuncPtr*) &mSymbols.fFlush, {{ "glFlush" }} },
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{ (PRFuncPtr*) &mSymbols.fFrontFace, {{ "glFrontFace" }} },
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{ (PRFuncPtr*) &mSymbols.fGetActiveAttrib, {{ "glGetActiveAttrib", "glGetActiveAttribARB" }} },
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{ (PRFuncPtr*) &mSymbols.fGetActiveUniform, {{ "glGetActiveUniform", "glGetActiveUniformARB" }} },
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{ (PRFuncPtr*) &mSymbols.fGetAttachedShaders, {{ "glGetAttachedShaders", "glGetAttachedShadersARB" }} },
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{ (PRFuncPtr*) &mSymbols.fGetAttribLocation, {{ "glGetAttribLocation", "glGetAttribLocationARB" }} },
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{ (PRFuncPtr*) &mSymbols.fGetIntegerv, {{ "glGetIntegerv" }} },
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|
{ (PRFuncPtr*) &mSymbols.fGetFloatv, {{ "glGetFloatv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetBooleanv, {{ "glGetBooleanv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetBufferParameteriv, {{ "glGetBufferParameteriv", "glGetBufferParameterivARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetError, {{ "glGetError" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetProgramiv, {{ "glGetProgramiv", "glGetProgramivARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetProgramInfoLog, {{ "glGetProgramInfoLog", "glGetProgramInfoLogARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexParameteri, {{ "glTexParameteri" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexParameteriv, {{ "glTexParameteriv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexParameterf, {{ "glTexParameterf" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetString, {{ "glGetString" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetTexParameterfv, {{ "glGetTexParameterfv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetTexParameteriv, {{ "glGetTexParameteriv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformfv, {{ "glGetUniformfv", "glGetUniformfvARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformiv, {{ "glGetUniformiv", "glGetUniformivARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformLocation, {{ "glGetUniformLocation", "glGetUniformLocationARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetVertexAttribfv, {{ "glGetVertexAttribfv", "glGetVertexAttribfvARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetVertexAttribiv, {{ "glGetVertexAttribiv", "glGetVertexAttribivARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetVertexAttribPointerv, {{ "glGetVertexAttribPointerv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fHint, {{ "glHint" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsBuffer, {{ "glIsBuffer", "glIsBufferARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsEnabled, {{ "glIsEnabled" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsProgram, {{ "glIsProgram", "glIsProgramARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsShader, {{ "glIsShader", "glIsShaderARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsTexture, {{ "glIsTexture", "glIsTextureARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fLineWidth, {{ "glLineWidth" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fLinkProgram, {{ "glLinkProgram", "glLinkProgramARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPixelStorei, {{ "glPixelStorei" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPolygonOffset, {{ "glPolygonOffset" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fReadPixels, {{ "glReadPixels" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSampleCoverage, {{ "glSampleCoverage" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fScissor, {{ "glScissor" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilFunc, {{ "glStencilFunc" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilFuncSeparate, {{ "glStencilFuncSeparate", "glStencilFuncSeparateEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilMask, {{ "glStencilMask" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilMaskSeparate, {{ "glStencilMaskSeparate", "glStencilMaskSeparateEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilOp, {{ "glStencilOp" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fStencilOpSeparate, {{ "glStencilOpSeparate", "glStencilOpSeparateEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexImage2D, {{ "glTexImage2D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexSubImage2D, {{ "glTexSubImage2D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1f, {{ "glUniform1f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1fv, {{ "glUniform1fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1i, {{ "glUniform1i" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1iv, {{ "glUniform1iv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2f, {{ "glUniform2f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2fv, {{ "glUniform2fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2i, {{ "glUniform2i" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2iv, {{ "glUniform2iv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3f, {{ "glUniform3f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3fv, {{ "glUniform3fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3i, {{ "glUniform3i" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3iv, {{ "glUniform3iv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4f, {{ "glUniform4f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4fv, {{ "glUniform4fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4i, {{ "glUniform4i" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4iv, {{ "glUniform4iv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix2fv, {{ "glUniformMatrix2fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix3fv, {{ "glUniformMatrix3fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix4fv, {{ "glUniformMatrix4fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUseProgram, {{ "glUseProgram" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fValidateProgram, {{ "glValidateProgram" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, {{ "glVertexAttribPointer" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1f, {{ "glVertexAttrib1f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2f, {{ "glVertexAttrib2f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3f, {{ "glVertexAttrib3f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4f, {{ "glVertexAttrib4f" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1fv, {{ "glVertexAttrib1fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2fv, {{ "glVertexAttrib2fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3fv, {{ "glVertexAttrib3fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4fv, {{ "glVertexAttrib4fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fViewport, {{ "glViewport" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCompileShader, {{ "glCompileShader" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexImage2D, {{ "glCopyTexImage2D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexSubImage2D, {{ "glCopyTexSubImage2D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderiv, {{ "glGetShaderiv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderInfoLog, {{ "glGetShaderInfoLog" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderSource, {{ "glGetShaderSource" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fShaderSource, {{ "glShaderSource" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, {{ "glVertexAttribPointer" }} },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenBuffers, {{ "glGenBuffers", "glGenBuffersARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenTextures, {{ "glGenTextures" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCreateProgram, {{ "glCreateProgram", "glCreateProgramARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCreateShader, {{ "glCreateShader", "glCreateShaderARB" }} },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteBuffers, {{ "glDeleteBuffers", "glDeleteBuffersARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteTextures, {{ "glDeleteTextures", "glDeleteTexturesARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteProgram, {{ "glDeleteProgram", "glDeleteProgramARB" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteShader, {{ "glDeleteShader", "glDeleteShaderARB" }} },
|
|
|
|
END_SYMBOLS
|
|
};
|
|
// clang-format on
|
|
|
|
if (!fnLoadSymbols(coreSymbols, "GL")) return false;
|
|
|
|
{
|
|
const SymLoadStruct symbols[] = {
|
|
{(PRFuncPtr*)&mSymbols.fGetGraphicsResetStatus,
|
|
{{"glGetGraphicsResetStatus", "glGetGraphicsResetStatusARB",
|
|
"glGetGraphicsResetStatusKHR", "glGetGraphicsResetStatusEXT"}}},
|
|
END_SYMBOLS};
|
|
(void)fnLoadSymbols(symbols, nullptr);
|
|
|
|
// We need to call the fGetError symbol directly here because if there is an
|
|
// unflushed reset status, we don't want to mark the context as lost. That
|
|
// would prevent us from recovering.
|
|
auto err = mSymbols.fGetError();
|
|
if (err == LOCAL_GL_CONTEXT_LOST) {
|
|
MOZ_ASSERT(mSymbols.fGetGraphicsResetStatus);
|
|
const auto status = fGetGraphicsResetStatus();
|
|
if (status) {
|
|
printf_stderr("Unflushed glGetGraphicsResetStatus: 0x%04x\n", status);
|
|
}
|
|
err = fGetError();
|
|
MOZ_ASSERT(!err);
|
|
}
|
|
if (err) {
|
|
MOZ_ASSERT(false);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
////////////////
|
|
|
|
const auto* const versionRawStr = (const char*)fGetString(LOCAL_GL_VERSION);
|
|
if (!versionRawStr || !*versionRawStr) {
|
|
// This can happen with Pernosco.
|
|
NS_WARNING("Empty GL version string");
|
|
return false;
|
|
}
|
|
|
|
const std::string versionStr = versionRawStr;
|
|
if (versionStr.find("OpenGL ES") == 0) {
|
|
mProfile = ContextProfile::OpenGLES;
|
|
}
|
|
|
|
uint32_t majorVer, minorVer;
|
|
if (!ParseVersion(versionStr, &majorVer, &minorVer)) {
|
|
MOZ_ASSERT(false, "Failed to parse GL_VERSION");
|
|
return false;
|
|
}
|
|
MOZ_ASSERT(majorVer < 10);
|
|
MOZ_ASSERT(minorVer < 10);
|
|
mVersion = majorVer * 100 + minorVer * 10;
|
|
if (mVersion < 200) return false;
|
|
|
|
////
|
|
|
|
const auto glslVersionStr =
|
|
(const char*)fGetString(LOCAL_GL_SHADING_LANGUAGE_VERSION);
|
|
if (!glslVersionStr) {
|
|
// This happens on the Android emulators. We'll just return 100
|
|
mShadingLanguageVersion = 100;
|
|
} else if (ParseVersion(glslVersionStr, &majorVer, &minorVer)) {
|
|
MOZ_ASSERT(majorVer < 10);
|
|
MOZ_ASSERT(minorVer < 100);
|
|
mShadingLanguageVersion = majorVer * 100 + minorVer;
|
|
} else {
|
|
MOZ_ASSERT(false, "Failed to parse GL_SHADING_LANGUAGE_VERSION");
|
|
return false;
|
|
}
|
|
|
|
if (ShouldSpew()) {
|
|
printf_stderr("GL version detected: %u\n", mVersion);
|
|
printf_stderr("GLSL version detected: %u\n", mShadingLanguageVersion);
|
|
printf_stderr("OpenGL vendor: %s\n", fGetString(LOCAL_GL_VENDOR));
|
|
printf_stderr("OpenGL renderer: %s\n", fGetString(LOCAL_GL_RENDERER));
|
|
}
|
|
|
|
////////////////
|
|
|
|
// Load OpenGL ES 2.0 symbols, or desktop if we aren't using ES 2.
|
|
if (mProfile == ContextProfile::OpenGLES) {
|
|
const SymLoadStruct symbols[] = {CORE_SYMBOL(GetShaderPrecisionFormat),
|
|
CORE_SYMBOL(ClearDepthf),
|
|
CORE_SYMBOL(DepthRangef), END_SYMBOLS};
|
|
|
|
if (!fnLoadSymbols(symbols, "OpenGL ES")) return false;
|
|
} else {
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_SYMBOL(ClearDepth), CORE_SYMBOL(DepthRange),
|
|
CORE_SYMBOL(ReadBuffer), CORE_SYMBOL(MapBuffer),
|
|
CORE_SYMBOL(UnmapBuffer), CORE_SYMBOL(PointParameterf),
|
|
CORE_SYMBOL(DrawBuffer),
|
|
// The following functions are only used by Skia/GL in desktop mode.
|
|
// Other parts of Gecko should avoid using these
|
|
CORE_SYMBOL(DrawBuffers), CORE_SYMBOL(ClientActiveTexture),
|
|
CORE_SYMBOL(DisableClientState), CORE_SYMBOL(EnableClientState),
|
|
CORE_SYMBOL(LoadIdentity), CORE_SYMBOL(LoadMatrixf),
|
|
CORE_SYMBOL(MatrixMode), CORE_SYMBOL(PolygonMode), CORE_SYMBOL(TexGeni),
|
|
CORE_SYMBOL(TexGenf), CORE_SYMBOL(TexGenfv), CORE_SYMBOL(VertexPointer),
|
|
END_SYMBOLS};
|
|
|
|
if (!fnLoadSymbols(symbols, "Desktop OpenGL")) return false;
|
|
}
|
|
|
|
////////////////
|
|
|
|
const char* glVendorString = (const char*)fGetString(LOCAL_GL_VENDOR);
|
|
const char* glRendererString = (const char*)fGetString(LOCAL_GL_RENDERER);
|
|
if (!glVendorString || !glRendererString) return false;
|
|
|
|
// The order of these strings must match up with the order of the enum
|
|
// defined in GLContext.h for vendor IDs.
|
|
const char* vendorMatchStrings[size_t(GLVendor::Other) + 1] = {
|
|
"Intel", "NVIDIA", "ATI", "Qualcomm", "Imagination",
|
|
"nouveau", "Vivante", "VMware, Inc.", "ARM", "Unknown"};
|
|
|
|
mVendor = GLVendor::Other;
|
|
for (size_t i = 0; i < size_t(GLVendor::Other); ++i) {
|
|
if (DoesStringMatch(glVendorString, vendorMatchStrings[i])) {
|
|
mVendor = GLVendor(i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// The order of these strings must match up with the order of the enum
|
|
// defined in GLContext.h for renderer IDs.
|
|
const char* rendererMatchStrings[size_t(GLRenderer::Other) + 1] = {
|
|
"Adreno 200",
|
|
"Adreno 205",
|
|
"Adreno (TM) 200",
|
|
"Adreno (TM) 205",
|
|
"Adreno (TM) 305",
|
|
"Adreno (TM) 320",
|
|
"Adreno (TM) 330",
|
|
"Adreno (TM) 420",
|
|
"Mali-400 MP",
|
|
"Mali-450 MP",
|
|
"PowerVR SGX 530",
|
|
"PowerVR SGX 540",
|
|
"PowerVR SGX 544MP",
|
|
"NVIDIA Tegra",
|
|
"Android Emulator",
|
|
"Gallium 0.4 on llvmpipe",
|
|
"Intel HD Graphics 3000 OpenGL Engine",
|
|
"Microsoft Basic Render Driver",
|
|
"Unknown"};
|
|
|
|
mRenderer = GLRenderer::Other;
|
|
for (size_t i = 0; i < size_t(GLRenderer::Other); ++i) {
|
|
if (DoesStringMatch(glRendererString, rendererMatchStrings[i])) {
|
|
mRenderer = GLRenderer(i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
{
|
|
const auto versionStr = (const char*)fGetString(LOCAL_GL_VERSION);
|
|
if (strstr(versionStr, "Mesa")) {
|
|
mIsMesa = true;
|
|
}
|
|
}
|
|
|
|
const auto Once = []() {
|
|
static bool did = false;
|
|
if (did) return false;
|
|
did = true;
|
|
return true;
|
|
};
|
|
|
|
bool printRenderer = ShouldSpew();
|
|
printRenderer |= (kIsDebug && Once());
|
|
if (printRenderer) {
|
|
printf_stderr("GL_VENDOR: %s\n", glVendorString);
|
|
printf_stderr("mVendor: %s\n", vendorMatchStrings[size_t(mVendor)]);
|
|
printf_stderr("GL_RENDERER: %s\n", glRendererString);
|
|
printf_stderr("mRenderer: %s\n", rendererMatchStrings[size_t(mRenderer)]);
|
|
printf_stderr("mIsMesa: %i\n", int(mIsMesa));
|
|
}
|
|
|
|
////////////////
|
|
|
|
if (mVersion >= 300) { // Both GL3 and ES3.
|
|
const SymLoadStruct symbols[] = {
|
|
{(PRFuncPtr*)&mSymbols.fGetStringi, {{"glGetStringi"}}}, END_SYMBOLS};
|
|
|
|
if (!fnLoadSymbols(symbols, "GetStringi")) {
|
|
MOZ_RELEASE_ASSERT(false, "GFX: GetStringi is required!");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
InitExtensions();
|
|
if (mProfile != ContextProfile::OpenGLES) {
|
|
if (mVersion >= 310 && !IsExtensionSupported(ARB_compatibility)) {
|
|
mProfile = ContextProfile::OpenGLCore;
|
|
} else {
|
|
mProfile = ContextProfile::OpenGLCompatibility;
|
|
}
|
|
}
|
|
MOZ_ASSERT(mProfile != ContextProfile::Unknown);
|
|
|
|
if (ShouldSpew()) {
|
|
const char* profileStr = "";
|
|
if (mProfile == ContextProfile::OpenGLES) {
|
|
profileStr = " es";
|
|
} else if (mProfile == ContextProfile::OpenGLCore) {
|
|
profileStr = " core";
|
|
}
|
|
printf_stderr("Detected profile: %u%s\n", mVersion, profileStr);
|
|
}
|
|
|
|
InitFeatures();
|
|
|
|
////
|
|
|
|
// Disable extensions with partial or incorrect support.
|
|
if (WorkAroundDriverBugs()) {
|
|
if (Renderer() == GLRenderer::AdrenoTM320) {
|
|
MarkUnsupported(GLFeature::standard_derivatives);
|
|
}
|
|
|
|
if (Renderer() == GLRenderer::AndroidEmulator) {
|
|
// Bug 1665300
|
|
mSymbols.fGetGraphicsResetStatus = 0;
|
|
}
|
|
|
|
if (Vendor() == GLVendor::Vivante) {
|
|
// bug 958256
|
|
MarkUnsupported(GLFeature::standard_derivatives);
|
|
}
|
|
|
|
if (Renderer() == GLRenderer::MicrosoftBasicRenderDriver) {
|
|
// Bug 978966: on Microsoft's "Basic Render Driver" (software renderer)
|
|
// multisampling hardcodes blending with the default blendfunc, which
|
|
// breaks WebGL.
|
|
MarkUnsupported(GLFeature::framebuffer_multisample);
|
|
}
|
|
|
|
if (IsMesa()) {
|
|
// DrawElementsInstanced hangs the driver.
|
|
MarkUnsupported(GLFeature::robust_buffer_access_behavior);
|
|
}
|
|
}
|
|
|
|
if (IsExtensionSupported(GLContext::ARB_pixel_buffer_object)) {
|
|
MOZ_ASSERT(
|
|
(mSymbols.fMapBuffer && mSymbols.fUnmapBuffer),
|
|
"ARB_pixel_buffer_object supported without glMapBuffer/UnmapBuffer"
|
|
" being available!");
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
const auto fnLoadForFeature = [&](const SymLoadStruct* list,
|
|
GLFeature feature) {
|
|
return this->LoadFeatureSymbols(*loader, list, feature);
|
|
};
|
|
|
|
// Check for ARB_framebuffer_objects
|
|
if (IsSupported(GLFeature::framebuffer_object)) {
|
|
// https://www.opengl.org/registry/specs/ARB/framebuffer_object.txt
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_SYMBOL(IsRenderbuffer),
|
|
CORE_SYMBOL(BindRenderbuffer),
|
|
CORE_SYMBOL(DeleteRenderbuffers),
|
|
CORE_SYMBOL(GenRenderbuffers),
|
|
CORE_SYMBOL(RenderbufferStorage),
|
|
CORE_SYMBOL(RenderbufferStorageMultisample),
|
|
CORE_SYMBOL(GetRenderbufferParameteriv),
|
|
CORE_SYMBOL(IsFramebuffer),
|
|
CORE_SYMBOL(BindFramebuffer),
|
|
CORE_SYMBOL(DeleteFramebuffers),
|
|
CORE_SYMBOL(GenFramebuffers),
|
|
CORE_SYMBOL(CheckFramebufferStatus),
|
|
CORE_SYMBOL(FramebufferTexture2D),
|
|
CORE_SYMBOL(FramebufferTextureLayer),
|
|
CORE_SYMBOL(FramebufferRenderbuffer),
|
|
CORE_SYMBOL(GetFramebufferAttachmentParameteriv),
|
|
CORE_SYMBOL(BlitFramebuffer),
|
|
CORE_SYMBOL(GenerateMipmap),
|
|
END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::framebuffer_object);
|
|
}
|
|
|
|
if (!IsSupported(GLFeature::framebuffer_object)) {
|
|
// Check for aux symbols based on extensions
|
|
if (IsSupported(GLFeature::framebuffer_object_EXT_OES)) {
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_EXT_SYMBOL2(IsRenderbuffer, EXT, OES),
|
|
CORE_EXT_SYMBOL2(BindRenderbuffer, EXT, OES),
|
|
CORE_EXT_SYMBOL2(DeleteRenderbuffers, EXT, OES),
|
|
CORE_EXT_SYMBOL2(GenRenderbuffers, EXT, OES),
|
|
CORE_EXT_SYMBOL2(RenderbufferStorage, EXT, OES),
|
|
CORE_EXT_SYMBOL2(GetRenderbufferParameteriv, EXT, OES),
|
|
CORE_EXT_SYMBOL2(IsFramebuffer, EXT, OES),
|
|
CORE_EXT_SYMBOL2(BindFramebuffer, EXT, OES),
|
|
CORE_EXT_SYMBOL2(DeleteFramebuffers, EXT, OES),
|
|
CORE_EXT_SYMBOL2(GenFramebuffers, EXT, OES),
|
|
CORE_EXT_SYMBOL2(CheckFramebufferStatus, EXT, OES),
|
|
CORE_EXT_SYMBOL2(FramebufferTexture2D, EXT, OES),
|
|
CORE_EXT_SYMBOL2(FramebufferRenderbuffer, EXT, OES),
|
|
CORE_EXT_SYMBOL2(GetFramebufferAttachmentParameteriv, EXT, OES),
|
|
CORE_EXT_SYMBOL2(GenerateMipmap, EXT, OES),
|
|
END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::framebuffer_object_EXT_OES);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::framebuffer_blit)) {
|
|
const SymLoadStruct symbols[] = {
|
|
EXT_SYMBOL3(BlitFramebuffer, ANGLE, EXT, NV), END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::framebuffer_blit);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::framebuffer_multisample)) {
|
|
const SymLoadStruct symbols[] = {
|
|
EXT_SYMBOL3(RenderbufferStorageMultisample, ANGLE, APPLE, EXT),
|
|
END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::framebuffer_multisample);
|
|
}
|
|
|
|
if (IsExtensionSupported(GLContext::ARB_geometry_shader4) ||
|
|
IsExtensionSupported(GLContext::NV_geometry_program4)) {
|
|
const SymLoadStruct symbols[] = {
|
|
EXT_SYMBOL2(FramebufferTextureLayer, ARB, EXT), END_SYMBOLS};
|
|
if (!fnLoadSymbols(symbols,
|
|
"ARB_geometry_shader4/NV_geometry_program4")) {
|
|
MarkExtensionUnsupported(GLContext::ARB_geometry_shader4);
|
|
MarkExtensionUnsupported(GLContext::NV_geometry_program4);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!IsSupported(GLFeature::framebuffer_object) &&
|
|
!IsSupported(GLFeature::framebuffer_object_EXT_OES)) {
|
|
NS_ERROR("GLContext requires support for framebuffer objects.");
|
|
return false;
|
|
}
|
|
MOZ_RELEASE_ASSERT(mSymbols.fBindFramebuffer,
|
|
"GFX: mSymbols.fBindFramebuffer zero or not set.");
|
|
|
|
////////////////
|
|
|
|
const auto err = fGetError();
|
|
MOZ_RELEASE_ASSERT(!IsBadCallError(err));
|
|
if (err) return false;
|
|
|
|
LoadMoreSymbols(*loader);
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
raw_fGetIntegerv(LOCAL_GL_VIEWPORT, mViewportRect);
|
|
raw_fGetIntegerv(LOCAL_GL_SCISSOR_BOX, mScissorRect);
|
|
raw_fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
|
|
raw_fGetIntegerv(LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE, &mMaxCubeMapTextureSize);
|
|
raw_fGetIntegerv(LOCAL_GL_MAX_RENDERBUFFER_SIZE, &mMaxRenderbufferSize);
|
|
raw_fGetIntegerv(LOCAL_GL_MAX_VIEWPORT_DIMS, mMaxViewportDims);
|
|
|
|
if (mWorkAroundDriverBugs) {
|
|
int maxTexSize = INT32_MAX;
|
|
int maxCubeSize = INT32_MAX;
|
|
#ifdef XP_MACOSX
|
|
if (!nsCocoaFeatures::IsAtLeastVersion(10, 12)) {
|
|
if (mVendor == GLVendor::Intel) {
|
|
// see bug 737182 for 2D textures, bug 684882 for cube map textures.
|
|
maxTexSize = 4096;
|
|
maxCubeSize = 512;
|
|
} else if (mVendor == GLVendor::NVIDIA) {
|
|
// See bug 879656. 8192 fails, 8191 works.
|
|
maxTexSize = 8191;
|
|
}
|
|
} else {
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1544446
|
|
// Mojave exposes 16k textures, but gives FRAMEBUFFER_UNSUPPORTED for any
|
|
// 16k*16k FB except rgba8 without depth/stencil.
|
|
// The max supported sizes changes based on involved formats.
|
|
// (RGBA32F more restrictive than RGBA16F)
|
|
maxTexSize = 8192;
|
|
}
|
|
#endif
|
|
#ifdef MOZ_X11
|
|
if (mVendor == GLVendor::Nouveau) {
|
|
// see bug 814716. Clamp MaxCubeMapTextureSize at 2K for Nouveau.
|
|
maxCubeSize = 2048;
|
|
} else if (mVendor == GLVendor::Intel) {
|
|
// Bug 1199923. Driver seems to report a larger max size than
|
|
// actually supported.
|
|
maxTexSize = mMaxTextureSize / 2;
|
|
}
|
|
// Bug 1367570. Explicitly set vertex attributes [1,3] to opaque
|
|
// black because Nvidia doesn't do it for us.
|
|
if (mVendor == GLVendor::NVIDIA) {
|
|
for (size_t i = 1; i <= 3; ++i) {
|
|
mSymbols.fVertexAttrib4f(i, 0, 0, 0, 1);
|
|
}
|
|
}
|
|
#endif
|
|
if (Renderer() == GLRenderer::AdrenoTM420) {
|
|
// see bug 1194923. Calling glFlush before glDeleteFramebuffers
|
|
// prevents occasional driver crash.
|
|
mNeedsFlushBeforeDeleteFB = true;
|
|
}
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
if ((Renderer() == GLRenderer::AdrenoTM305 ||
|
|
Renderer() == GLRenderer::AdrenoTM320 ||
|
|
Renderer() == GLRenderer::AdrenoTM330) &&
|
|
jni::GetAPIVersion() < 21) {
|
|
// Bug 1164027. Driver crashes when functions such as
|
|
// glTexImage2D fail due to virtual memory exhaustion.
|
|
mTextureAllocCrashesOnMapFailure = true;
|
|
}
|
|
#endif
|
|
#if MOZ_WIDGET_ANDROID
|
|
if (Renderer() == GLRenderer::SGX540 && jni::GetAPIVersion() <= 15) {
|
|
// Bug 1288446. Driver sometimes crashes when uploading data to a
|
|
// texture if the render target has changed since the texture was
|
|
// rendered from. Calling glCheckFramebufferStatus after
|
|
// glFramebufferTexture2D prevents the crash.
|
|
mNeedsCheckAfterAttachTextureToFb = true;
|
|
}
|
|
#endif
|
|
|
|
// -
|
|
|
|
const auto fnLimit = [&](int* const driver, const int limit) {
|
|
if (*driver > limit) {
|
|
*driver = limit;
|
|
mNeedsTextureSizeChecks = true;
|
|
}
|
|
};
|
|
|
|
fnLimit(&mMaxTextureSize, maxTexSize);
|
|
fnLimit(&mMaxRenderbufferSize, maxTexSize);
|
|
|
|
maxCubeSize = std::min(maxCubeSize, maxTexSize);
|
|
fnLimit(&mMaxCubeMapTextureSize, maxCubeSize);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::framebuffer_multisample)) {
|
|
fGetIntegerv(LOCAL_GL_MAX_SAMPLES, (GLint*)&mMaxSamples);
|
|
}
|
|
|
|
mMaxTexOrRbSize = std::min(mMaxTextureSize, mMaxRenderbufferSize);
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
// We're ready for final setup.
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, 0);
|
|
MOZ_GL_ASSERT(this, IsCurrent());
|
|
|
|
if (ShouldSpew() && IsExtensionSupported(KHR_debug)) {
|
|
fEnable(LOCAL_GL_DEBUG_OUTPUT);
|
|
fDisable(LOCAL_GL_DEBUG_OUTPUT_SYNCHRONOUS);
|
|
fDebugMessageCallback(&StaticDebugCallback, (void*)this);
|
|
fDebugMessageControl(LOCAL_GL_DONT_CARE, LOCAL_GL_DONT_CARE,
|
|
LOCAL_GL_DONT_CARE, 0, nullptr, true);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void GLContext::LoadMoreSymbols(const SymbolLoader& loader) {
|
|
const auto fnLoadForExt = [&](const SymLoadStruct* list, GLExtensions ext) {
|
|
return this->LoadExtSymbols(loader, list, ext);
|
|
};
|
|
|
|
const auto fnLoadForFeature = [&](const SymLoadStruct* list,
|
|
GLFeature feature) {
|
|
return this->LoadFeatureSymbols(loader, list, feature);
|
|
};
|
|
|
|
const auto fnLoadFeatureByCore = [&](const SymLoadStruct* coreList,
|
|
const SymLoadStruct* extList,
|
|
GLFeature feature) {
|
|
const bool useCore = this->IsFeatureProvidedByCoreSymbols(feature);
|
|
const auto list = useCore ? coreList : extList;
|
|
return fnLoadForFeature(list, feature);
|
|
};
|
|
|
|
if (IsSupported(GLFeature::robustness)) {
|
|
const auto resetStrategy =
|
|
GetIntAs<GLuint>(LOCAL_GL_RESET_NOTIFICATION_STRATEGY);
|
|
if (resetStrategy != LOCAL_GL_LOSE_CONTEXT_ON_RESET) {
|
|
NS_WARNING(
|
|
"Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!");
|
|
if (ShouldSpew()) {
|
|
const bool isDisabled =
|
|
(resetStrategy == LOCAL_GL_NO_RESET_NOTIFICATION);
|
|
printf_stderr("Strategy: %s (0x%04x)",
|
|
(isDisabled ? "disabled" : "unrecognized"),
|
|
resetStrategy);
|
|
}
|
|
MarkUnsupported(GLFeature::robustness);
|
|
}
|
|
}
|
|
|
|
if (IsSupported(GLFeature::sync)) {
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_SYMBOL(FenceSync), CORE_SYMBOL(IsSync),
|
|
CORE_SYMBOL(DeleteSync), CORE_SYMBOL(ClientWaitSync),
|
|
CORE_SYMBOL(WaitSync), CORE_SYMBOL(GetInteger64v),
|
|
CORE_SYMBOL(GetSynciv), END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::sync);
|
|
}
|
|
|
|
if (IsExtensionSupported(OES_EGL_image)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{(PRFuncPtr*)&mSymbols.fEGLImageTargetTexture2D,
|
|
{{"glEGLImageTargetTexture2DOES"}}},
|
|
{(PRFuncPtr*)&mSymbols.fEGLImageTargetRenderbufferStorage,
|
|
{{"glEGLImageTargetRenderbufferStorageOES"}}},
|
|
END_SYMBOLS};
|
|
fnLoadForExt(symbols, OES_EGL_image);
|
|
}
|
|
|
|
if (IsExtensionSupported(APPLE_texture_range)) {
|
|
const SymLoadStruct symbols[] = {CORE_SYMBOL(TextureRangeAPPLE),
|
|
END_SYMBOLS};
|
|
fnLoadForExt(symbols, APPLE_texture_range);
|
|
}
|
|
|
|
if (IsExtensionSupported(APPLE_fence)) {
|
|
const SymLoadStruct symbols[] = {CORE_SYMBOL(FinishObjectAPPLE),
|
|
CORE_SYMBOL(TestObjectAPPLE), END_SYMBOLS};
|
|
fnLoadForExt(symbols, APPLE_fence);
|
|
}
|
|
|
|
// clang-format off
|
|
|
|
if (IsSupported(GLFeature::vertex_array_object)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fIsVertexArray, {{ "glIsVertexArray" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenVertexArrays, {{ "glGenVertexArrays" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindVertexArray, {{ "glBindVertexArray" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteVertexArrays, {{ "glDeleteVertexArrays" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fIsVertexArray, {{ "glIsVertexArrayARB", "glIsVertexArrayOES", "glIsVertexArrayAPPLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenVertexArrays, {{ "glGenVertexArraysARB", "glGenVertexArraysOES", "glGenVertexArraysAPPLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindVertexArray, {{ "glBindVertexArrayARB", "glBindVertexArrayOES", "glBindVertexArrayAPPLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteVertexArrays, {{ "glDeleteVertexArraysARB", "glDeleteVertexArraysOES", "glDeleteVertexArraysAPPLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::vertex_array_object);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::draw_instanced)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fDrawArraysInstanced, {{ "glDrawArraysInstanced" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDrawElementsInstanced, {{ "glDrawElementsInstanced" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fDrawArraysInstanced, {{ "glDrawArraysInstancedARB", "glDrawArraysInstancedEXT", "glDrawArraysInstancedNV", "glDrawArraysInstancedANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDrawElementsInstanced, {{ "glDrawElementsInstancedARB", "glDrawElementsInstancedEXT", "glDrawElementsInstancedNV", "glDrawElementsInstancedANGLE" }}
|
|
},
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::draw_instanced);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::instanced_arrays)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribDivisor, {{ "glVertexAttribDivisor" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribDivisor, {{ "glVertexAttribDivisorARB", "glVertexAttribDivisorNV", "glVertexAttribDivisorANGLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::instanced_arrays);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::texture_storage)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fTexStorage2D, {{ "glTexStorage2D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexStorage3D, {{ "glTexStorage3D" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fTexStorage2D, {{ "glTexStorage2DEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexStorage3D, {{ "glTexStorage3DEXT" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::texture_storage);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::sampler_objects)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGenSamplers, {{ "glGenSamplers" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteSamplers, {{ "glDeleteSamplers" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsSampler, {{ "glIsSampler" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindSampler, {{ "glBindSampler" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSamplerParameteri, {{ "glSamplerParameteri" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSamplerParameteriv, {{ "glSamplerParameteriv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSamplerParameterf, {{ "glSamplerParameterf" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSamplerParameterfv, {{ "glSamplerParameterfv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetSamplerParameteriv, {{ "glGetSamplerParameteriv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetSamplerParameterfv, {{ "glGetSamplerParameterfv" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::sampler_objects);
|
|
}
|
|
|
|
// ARB_transform_feedback2/NV_transform_feedback2 is a
|
|
// superset of EXT_transform_feedback/NV_transform_feedback
|
|
// and adds glPauseTransformFeedback &
|
|
// glResumeTransformFeedback, which are required for WebGL2.
|
|
if (IsSupported(GLFeature::transform_feedback2)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferBase, {{ "glBindBufferBase" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferRange, {{ "glBindBufferRange" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenTransformFeedbacks, {{ "glGenTransformFeedbacks" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindTransformFeedback, {{ "glBindTransformFeedback" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteTransformFeedbacks, {{ "glDeleteTransformFeedbacks" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsTransformFeedback, {{ "glIsTransformFeedback" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBeginTransformFeedback, {{ "glBeginTransformFeedback" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEndTransformFeedback, {{ "glEndTransformFeedback" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTransformFeedbackVaryings, {{ "glTransformFeedbackVaryings" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetTransformFeedbackVarying, {{ "glGetTransformFeedbackVarying" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPauseTransformFeedback, {{ "glPauseTransformFeedback" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fResumeTransformFeedback, {{ "glResumeTransformFeedback" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferBase, {{ "glBindBufferBaseEXT", "glBindBufferBaseNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferRange, {{ "glBindBufferRangeEXT", "glBindBufferRangeNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenTransformFeedbacks, {{ "glGenTransformFeedbacksNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBindTransformFeedback, {{ "glBindTransformFeedbackNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteTransformFeedbacks, {{ "glDeleteTransformFeedbacksNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsTransformFeedback, {{ "glIsTransformFeedbackNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBeginTransformFeedback, {{ "glBeginTransformFeedbackEXT", "glBeginTransformFeedbackNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEndTransformFeedback, {{ "glEndTransformFeedbackEXT", "glEndTransformFeedbackNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTransformFeedbackVaryings, {{ "glTransformFeedbackVaryingsEXT", "glTransformFeedbackVaryingsNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetTransformFeedbackVarying, {{ "glGetTransformFeedbackVaryingEXT", "glGetTransformFeedbackVaryingNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPauseTransformFeedback, {{ "glPauseTransformFeedbackNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fResumeTransformFeedback, {{ "glResumeTransformFeedbackNV" }} },
|
|
END_SYMBOLS
|
|
};
|
|
if (!fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::transform_feedback2)) {
|
|
// Also mark bind_buffer_offset as unsupported.
|
|
MarkUnsupported(GLFeature::bind_buffer_offset);
|
|
}
|
|
}
|
|
|
|
if (IsSupported(GLFeature::bind_buffer_offset)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferOffset, {{ "glBindBufferOffset" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBindBufferOffset,
|
|
{{ "glBindBufferOffsetEXT", "glBindBufferOffsetNV" }}
|
|
},
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::bind_buffer_offset);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::query_counter)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fQueryCounter, {{ "glQueryCounter" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fQueryCounter, {{ "glQueryCounterEXT", "glQueryCounterANGLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::query_counter);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::query_objects)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBeginQuery, {{ "glBeginQuery" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenQueries, {{ "glGenQueries" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteQueries, {{ "glDeleteQueries" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEndQuery, {{ "glEndQuery" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryiv, {{ "glGetQueryiv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectuiv, {{ "glGetQueryObjectuiv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsQuery, {{ "glIsQuery" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBeginQuery, {{ "glBeginQueryEXT", "glBeginQueryANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGenQueries, {{ "glGenQueriesEXT", "glGenQueriesANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteQueries, {{ "glDeleteQueriesEXT", "glDeleteQueriesANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEndQuery, {{ "glEndQueryEXT", "glEndQueryANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryiv, {{ "glGetQueryivEXT", "glGetQueryivANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectuiv, {{ "glGetQueryObjectuivEXT", "glGetQueryObjectuivANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsQuery, {{ "glIsQueryEXT", "glIsQueryANGLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
if (!fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::query_objects)) {
|
|
MarkUnsupported(GLFeature::get_query_object_i64v);
|
|
MarkUnsupported(GLFeature::get_query_object_iv);
|
|
MarkUnsupported(GLFeature::occlusion_query);
|
|
MarkUnsupported(GLFeature::occlusion_query_boolean);
|
|
MarkUnsupported(GLFeature::occlusion_query2);
|
|
}
|
|
}
|
|
|
|
if (IsSupported(GLFeature::get_query_object_i64v)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjecti64v, {{ "glGetQueryObjecti64v" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectui64v, {{ "glGetQueryObjectui64v" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjecti64v, {{ "glGetQueryObjecti64vEXT", "glGetQueryObjecti64vANGLE" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectui64v, {{ "glGetQueryObjectui64vEXT", "glGetQueryObjectui64vANGLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
if (!fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::get_query_object_i64v)) {
|
|
MarkUnsupported(GLFeature::query_counter);
|
|
}
|
|
}
|
|
|
|
if (IsSupported(GLFeature::get_query_object_iv)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectiv, {{ "glGetQueryObjectiv" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetQueryObjectiv, {{ "glGetQueryObjectivEXT", "glGetQueryObjectivANGLE" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::get_query_object_iv);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::clear_buffers)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fClearBufferfi, {{ "glClearBufferfi", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fClearBufferfv, {{ "glClearBufferfv", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fClearBufferiv, {{ "glClearBufferiv", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fClearBufferuiv, {{ "glClearBufferuiv" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::clear_buffers);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::copy_buffer)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fCopyBufferSubData, {{ "glCopyBufferSubData" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::copy_buffer);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::draw_buffers)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fDrawBuffers, {{ "glDrawBuffers" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fDrawBuffers, {{ "glDrawBuffersARB", "glDrawBuffersEXT" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::draw_buffers);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::draw_buffers_indexed)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBlendEquationSeparatei, {{ "glBlendEquationSeparatei" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBlendFuncSeparatei, {{ "glBlendFuncSeparatei" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fColorMaski, {{ "glColorMaski" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDisablei, {{ "glDisablei" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEnablei, {{ "glEnablei" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBlendEquationSeparatei, {{ "glBlendEquationSeparateiOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fBlendFuncSeparatei, {{ "glBlendFuncSeparateiOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fColorMaski, {{ "glColorMaskiOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDisablei, {{ "glDisableiOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fEnablei, {{ "glEnableiOES" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::draw_buffers_indexed);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::get_integer_indexed)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetIntegeri_v, {{ "glGetIntegeri_v" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] ={
|
|
{ (PRFuncPtr*) &mSymbols.fGetIntegeri_v, {{ "glGetIntegerIndexedvEXT" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::get_integer_indexed);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::get_integer64_indexed)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetInteger64i_v, {{ "glGetInteger64i_v" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::get_integer64_indexed);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::gpu_shader4)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetVertexAttribIiv, {{ "glGetVertexAttribIiv", "glGetVertexAttribIivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetVertexAttribIuiv, {{ "glGetVertexAttribIuiv", "glGetVertexAttribIuivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribI4i, {{ "glVertexAttribI4i", "glVertexAttribI4iEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribI4iv, {{ "glVertexAttribI4iv", "glVertexAttribI4ivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribI4ui, {{ "glVertexAttribI4ui", "glVertexAttribI4uiEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribI4uiv, {{ "glVertexAttribI4uiv", "glVertexAttribI4uivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribIPointer, {{ "glVertexAttribIPointer", "glVertexAttribIPointerEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1ui, {{ "glUniform1ui", "glUniform1uiEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2ui, {{ "glUniform2ui", "glUniform2uiEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3ui, {{ "glUniform3ui", "glUniform3uiEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4ui, {{ "glUniform4ui", "glUniform4uiEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform1uiv, {{ "glUniform1uiv", "glUniform1uivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform2uiv, {{ "glUniform2uiv", "glUniform2uivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform3uiv, {{ "glUniform3uiv", "glUniform3uivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniform4uiv, {{ "glUniform4uiv", "glUniform4uivEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetFragDataLocation, {{ "glGetFragDataLocation", "glGetFragDataLocationEXT" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformuiv, {{ "glGetUniformuiv", "glGetUniformuivEXT" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::gpu_shader4);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::map_buffer_range)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fMapBufferRange, {{ "glMapBufferRange" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fFlushMappedBufferRange, {{ "glFlushMappedBufferRange" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUnmapBuffer, {{ "glUnmapBuffer" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::map_buffer_range);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::texture_3D)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fTexImage3D, {{ "glTexImage3D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexSubImage3D, {{ "glTexSubImage3D" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fTexImage3D, {{ "glTexImage3DOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTexSubImage3D, {{ "glTexSubImage3DOES" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::texture_3D);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::texture_3D_compressed)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fCompressedTexImage3D, {{ "glCompressedTexImage3D" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCompressedTexSubImage3D, {{ "glCompressedTexSubImage3D" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fCompressedTexImage3D, {{ "glCompressedTexImage3DARB", "glCompressedTexImage3DOES" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fCompressedTexSubImage3D, {{ "glCompressedTexSubImage3DARB", "glCompressedTexSubImage3DOES" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::texture_3D_compressed);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::texture_3D_copy)) {
|
|
const SymLoadStruct coreSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexSubImage3D, {{ "glCopyTexSubImage3D" }} },
|
|
END_SYMBOLS
|
|
};
|
|
const SymLoadStruct extSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexSubImage3D, {{ "glCopyTexSubImage3DEXT", "glCopyTexSubImage3DOES" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadFeatureByCore(coreSymbols, extSymbols, GLFeature::texture_3D_copy);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::uniform_buffer_object)) {
|
|
// Note: Don't query for glGetActiveUniformName because it is not
|
|
// supported by GL ES 3.
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformIndices, {{ "glGetUniformIndices" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetActiveUniformsiv, {{ "glGetActiveUniformsiv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetUniformBlockIndex, {{ "glGetUniformBlockIndex" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetActiveUniformBlockiv, {{ "glGetActiveUniformBlockiv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetActiveUniformBlockName, {{ "glGetActiveUniformBlockName" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformBlockBinding, {{ "glUniformBlockBinding" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::uniform_buffer_object);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::uniform_matrix_nonsquare)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix2x3fv, {{ "glUniformMatrix2x3fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix2x4fv, {{ "glUniformMatrix2x4fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix3x2fv, {{ "glUniformMatrix3x2fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix3x4fv, {{ "glUniformMatrix3x4fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix4x2fv, {{ "glUniformMatrix4x2fv" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix4x3fv, {{ "glUniformMatrix4x3fv" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::uniform_matrix_nonsquare);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::internalformat_query)) {
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_SYMBOL(GetInternalformativ),
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::internalformat_query);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::invalidate_framebuffer)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fInvalidateFramebuffer, {{ "glInvalidateFramebuffer" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fInvalidateSubFramebuffer, {{ "glInvalidateSubFramebuffer" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::invalidate_framebuffer);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::multiview)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fFramebufferTextureMultiview, {{
|
|
"glFramebufferTextureMultiviewOVR",
|
|
"glFramebufferTextureMultiviewLayeredANGLE"
|
|
}} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::multiview);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::prim_restart)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fPrimitiveRestartIndex, {{ "glPrimitiveRestartIndex", "glPrimitiveRestartIndexNV" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForFeature(symbols, GLFeature::prim_restart);
|
|
}
|
|
|
|
if (IsExtensionSupported(KHR_debug)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fDebugMessageControl, {{ "glDebugMessageControl", "glDebugMessageControlKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDebugMessageInsert, {{ "glDebugMessageInsert", "glDebugMessageInsertKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDebugMessageCallback, {{ "glDebugMessageCallback", "glDebugMessageCallbackKHR" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetDebugMessageLog, {{ "glGetDebugMessageLog", "glGetDebugMessageLogKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetPointerv, {{ "glGetPointerv", "glGetPointervKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPushDebugGroup, {{ "glPushDebugGroup", "glPushDebugGroupKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fPopDebugGroup, {{ "glPopDebugGroup", "glPopDebugGroupKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fObjectLabel, {{ "glObjectLabel", "glObjectLabelKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetObjectLabel, {{ "glGetObjectLabel", "glGetObjectLabelKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fObjectPtrLabel, {{ "glObjectPtrLabel", "glObjectPtrLabelKHR", }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetObjectPtrLabel, {{ "glGetObjectPtrLabel", "glGetObjectPtrLabelKHR", }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForExt(symbols, KHR_debug);
|
|
}
|
|
|
|
if (IsExtensionSupported(NV_fence)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGenFences, {{ "glGenFencesNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteFences, {{ "glDeleteFencesNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fSetFence, {{ "glSetFenceNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fTestFence, {{ "glTestFenceNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fFinishFence, {{ "glFinishFenceNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fIsFence, {{ "glIsFenceNV" }} },
|
|
{ (PRFuncPtr*) &mSymbols.fGetFenceiv, {{ "glGetFenceivNV" }} },
|
|
END_SYMBOLS
|
|
};
|
|
fnLoadForExt(symbols, NV_fence);
|
|
}
|
|
|
|
// clang-format on
|
|
|
|
if (IsExtensionSupported(NV_texture_barrier)) {
|
|
const SymLoadStruct symbols[] = {
|
|
{(PRFuncPtr*)&mSymbols.fTextureBarrier, {{"glTextureBarrierNV"}}},
|
|
END_SYMBOLS};
|
|
fnLoadForExt(symbols, NV_texture_barrier);
|
|
}
|
|
|
|
if (IsSupported(GLFeature::read_buffer)) {
|
|
const SymLoadStruct symbols[] = {CORE_SYMBOL(ReadBuffer), END_SYMBOLS};
|
|
fnLoadForFeature(symbols, GLFeature::read_buffer);
|
|
}
|
|
|
|
if (IsExtensionSupported(APPLE_framebuffer_multisample)) {
|
|
const SymLoadStruct symbols[] = {
|
|
CORE_SYMBOL(ResolveMultisampleFramebufferAPPLE), END_SYMBOLS};
|
|
fnLoadForExt(symbols, APPLE_framebuffer_multisample);
|
|
}
|
|
|
|
// Load developer symbols, don't fail if we can't find them.
|
|
const SymLoadStruct devSymbols[] = {CORE_SYMBOL(GetTexImage),
|
|
CORE_SYMBOL(GetTexLevelParameteriv),
|
|
END_SYMBOLS};
|
|
const bool warnOnFailures = ShouldSpew();
|
|
(void)loader.LoadSymbols(devSymbols, warnOnFailures);
|
|
}
|
|
|
|
#undef CORE_SYMBOL
|
|
#undef CORE_EXT_SYMBOL2
|
|
#undef EXT_SYMBOL2
|
|
#undef EXT_SYMBOL3
|
|
#undef END_SYMBOLS
|
|
|
|
void GLContext::DebugCallback(GLenum source, GLenum type, GLuint id,
|
|
GLenum severity, GLsizei length,
|
|
const GLchar* message) {
|
|
nsAutoCString sourceStr;
|
|
switch (source) {
|
|
case LOCAL_GL_DEBUG_SOURCE_API:
|
|
sourceStr = "SOURCE_API"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SOURCE_WINDOW_SYSTEM:
|
|
sourceStr = "SOURCE_WINDOW_SYSTEM"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SOURCE_SHADER_COMPILER:
|
|
sourceStr = "SOURCE_SHADER_COMPILER"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SOURCE_THIRD_PARTY:
|
|
sourceStr = "SOURCE_THIRD_PARTY"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SOURCE_APPLICATION:
|
|
sourceStr = "SOURCE_APPLICATION"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SOURCE_OTHER:
|
|
sourceStr = "SOURCE_OTHER"_ns;
|
|
break;
|
|
default:
|
|
sourceStr = nsPrintfCString("<source 0x%04x>", source);
|
|
break;
|
|
}
|
|
|
|
nsAutoCString typeStr;
|
|
switch (type) {
|
|
case LOCAL_GL_DEBUG_TYPE_ERROR:
|
|
typeStr = "TYPE_ERROR"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
|
|
typeStr = "TYPE_DEPRECATED_BEHAVIOR"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
|
|
typeStr = "TYPE_UNDEFINED_BEHAVIOR"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_PORTABILITY:
|
|
typeStr = "TYPE_PORTABILITY"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_PERFORMANCE:
|
|
typeStr = "TYPE_PERFORMANCE"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_OTHER:
|
|
typeStr = "TYPE_OTHER"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_TYPE_MARKER:
|
|
typeStr = "TYPE_MARKER"_ns;
|
|
break;
|
|
default:
|
|
typeStr = nsPrintfCString("<type 0x%04x>", type);
|
|
break;
|
|
}
|
|
|
|
nsAutoCString sevStr;
|
|
switch (severity) {
|
|
case LOCAL_GL_DEBUG_SEVERITY_HIGH:
|
|
sevStr = "SEVERITY_HIGH"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SEVERITY_MEDIUM:
|
|
sevStr = "SEVERITY_MEDIUM"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SEVERITY_LOW:
|
|
sevStr = "SEVERITY_LOW"_ns;
|
|
break;
|
|
case LOCAL_GL_DEBUG_SEVERITY_NOTIFICATION:
|
|
sevStr = "SEVERITY_NOTIFICATION"_ns;
|
|
break;
|
|
default:
|
|
sevStr = nsPrintfCString("<severity 0x%04x>", severity);
|
|
break;
|
|
}
|
|
|
|
printf_stderr("[KHR_debug: 0x%" PRIxPTR "] ID %u: %s, %s, %s:\n %s\n",
|
|
(uintptr_t)this, id, sourceStr.BeginReading(),
|
|
typeStr.BeginReading(), sevStr.BeginReading(), message);
|
|
}
|
|
|
|
void GLContext::InitExtensions() {
|
|
MOZ_GL_ASSERT(this, IsCurrent());
|
|
|
|
std::vector<nsCString> driverExtensionList;
|
|
|
|
[&]() {
|
|
if (mSymbols.fGetStringi) {
|
|
GLuint count = 0;
|
|
if (GetPotentialInteger(LOCAL_GL_NUM_EXTENSIONS, (GLint*)&count)) {
|
|
for (GLuint i = 0; i < count; i++) {
|
|
// This is UTF-8.
|
|
const char* rawExt = (const char*)fGetStringi(LOCAL_GL_EXTENSIONS, i);
|
|
|
|
// We CANNOT use nsDependentCString here, because the spec doesn't
|
|
// guarantee that the pointers returned are different, only that their
|
|
// contents are. On Flame, each of these index string queries returns
|
|
// the same address.
|
|
driverExtensionList.push_back(nsCString(rawExt));
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
const char* rawExts = (const char*)fGetString(LOCAL_GL_EXTENSIONS);
|
|
if (rawExts) {
|
|
nsDependentCString exts(rawExts);
|
|
SplitByChar(exts, ' ', &driverExtensionList);
|
|
}
|
|
}();
|
|
const auto err = fGetError();
|
|
MOZ_ALWAYS_TRUE(!IsBadCallError(err));
|
|
|
|
const bool shouldDumpExts = ShouldDumpExts();
|
|
if (shouldDumpExts) {
|
|
printf_stderr("%i GL driver extensions: (*: recognized)\n",
|
|
(uint32_t)driverExtensionList.size());
|
|
}
|
|
|
|
MarkBitfieldByStrings(driverExtensionList, shouldDumpExts, sExtensionNames,
|
|
&mAvailableExtensions);
|
|
|
|
if (WorkAroundDriverBugs()) {
|
|
if (Vendor() == GLVendor::Qualcomm) {
|
|
// Some Adreno drivers do not report GL_OES_EGL_sync, but they really do
|
|
// support it.
|
|
MarkExtensionSupported(OES_EGL_sync);
|
|
}
|
|
|
|
if (Vendor() == GLVendor::ATI) {
|
|
// ATI drivers say this extension exists, but we can't
|
|
// actually find the EGLImageTargetRenderbufferStorageOES
|
|
// extension function pointer in the drivers.
|
|
MarkExtensionUnsupported(OES_EGL_image);
|
|
}
|
|
|
|
if (Vendor() == GLVendor::Imagination && Renderer() == GLRenderer::SGX540) {
|
|
// Bug 980048
|
|
MarkExtensionUnsupported(OES_EGL_sync);
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
if (Vendor() == GLVendor::Imagination &&
|
|
Renderer() == GLRenderer::SGX544MP && jni::GetAPIVersion() < 21) {
|
|
// Bug 1026404
|
|
MarkExtensionUnsupported(OES_EGL_image);
|
|
MarkExtensionUnsupported(OES_EGL_image_external);
|
|
}
|
|
#endif
|
|
|
|
if (Vendor() == GLVendor::ARM && (Renderer() == GLRenderer::Mali400MP ||
|
|
Renderer() == GLRenderer::Mali450MP)) {
|
|
// Bug 1264505
|
|
MarkExtensionUnsupported(OES_EGL_image_external);
|
|
}
|
|
|
|
if (Renderer() == GLRenderer::AndroidEmulator) {
|
|
// the Android emulator, which we use to run B2G reftests on,
|
|
// doesn't expose the OES_rgb8_rgba8 extension, but it seems to
|
|
// support it (tautologically, as it only runs on desktop GL).
|
|
MarkExtensionSupported(OES_rgb8_rgba8);
|
|
}
|
|
|
|
if (Vendor() == GLVendor::VMware &&
|
|
Renderer() == GLRenderer::GalliumLlvmpipe) {
|
|
// The llvmpipe driver that is used on linux try servers appears to have
|
|
// buggy support for s3tc/dxt1 compressed textures.
|
|
// See Bug 975824.
|
|
MarkExtensionUnsupported(EXT_texture_compression_s3tc);
|
|
MarkExtensionUnsupported(EXT_texture_compression_dxt1);
|
|
MarkExtensionUnsupported(ANGLE_texture_compression_dxt3);
|
|
MarkExtensionUnsupported(ANGLE_texture_compression_dxt5);
|
|
}
|
|
|
|
#ifdef XP_MACOSX
|
|
// Bug 1009642: On OSX Mavericks (10.9), the driver for Intel HD
|
|
// 3000 appears to be buggy WRT updating sub-images of S3TC
|
|
// textures with glCompressedTexSubImage2D. Works on Intel HD 4000
|
|
// and Intel HD 5000/Iris that I tested.
|
|
// Bug 1124996: Appears to be the same on OSX Yosemite (10.10)
|
|
if (Renderer() == GLRenderer::IntelHD3000) {
|
|
MarkExtensionUnsupported(EXT_texture_compression_s3tc);
|
|
}
|
|
|
|
// OSX supports EXT_texture_sRGB in Legacy contexts, but not in Core
|
|
// contexts. Though EXT_texture_sRGB was included into GL2.1, it *excludes*
|
|
// the interactions with s3tc. Strictly speaking, you must advertize support
|
|
// for EXT_texture_sRGB in order to allow for srgb+s3tc on desktop GL. The
|
|
// omission of EXT_texture_sRGB in OSX Core contexts appears to be a bug.
|
|
MarkExtensionSupported(EXT_texture_sRGB);
|
|
#endif
|
|
}
|
|
|
|
if (shouldDumpExts) {
|
|
printf_stderr("\nActivated extensions:\n");
|
|
|
|
for (size_t i = 0; i < mAvailableExtensions.size(); i++) {
|
|
if (!mAvailableExtensions[i]) continue;
|
|
|
|
const char* ext = sExtensionNames[i];
|
|
printf_stderr("[%i] %s\n", (uint32_t)i, ext);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GLContext::PlatformStartup() {
|
|
RegisterStrongMemoryReporter(new GfxTexturesReporter());
|
|
}
|
|
|
|
// Common code for checking for both GL extensions and GLX extensions.
|
|
bool GLContext::ListHasExtension(const GLubyte* extensions,
|
|
const char* extension) {
|
|
// fix bug 612572 - we were crashing as we were calling this function with
|
|
// extensions==null
|
|
if (extensions == nullptr || extension == nullptr) return false;
|
|
|
|
const GLubyte* start;
|
|
GLubyte* where;
|
|
GLubyte* terminator;
|
|
|
|
/* Extension names should not have spaces. */
|
|
where = (GLubyte*)strchr(extension, ' ');
|
|
if (where || *extension == '\0') return false;
|
|
|
|
/*
|
|
* It takes a bit of care to be fool-proof about parsing the
|
|
* OpenGL extensions string. Don't be fooled by sub-strings,
|
|
* etc.
|
|
*/
|
|
start = extensions;
|
|
for (;;) {
|
|
where = (GLubyte*)strstr((const char*)start, extension);
|
|
if (!where) {
|
|
break;
|
|
}
|
|
terminator = where + strlen(extension);
|
|
if (where == start || *(where - 1) == ' ') {
|
|
if (*terminator == ' ' || *terminator == '\0') {
|
|
return true;
|
|
}
|
|
}
|
|
start = terminator;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool GLContext::IsFramebufferComplete(GLuint fb, GLenum* pStatus) {
|
|
MOZ_ASSERT(fb);
|
|
|
|
ScopedBindFramebuffer autoFB(this, fb);
|
|
MOZ_GL_ASSERT(this, fIsFramebuffer(fb));
|
|
|
|
GLenum status = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
if (pStatus) *pStatus = status;
|
|
|
|
return status == LOCAL_GL_FRAMEBUFFER_COMPLETE;
|
|
}
|
|
|
|
void GLContext::AttachBuffersToFB(GLuint colorTex, GLuint colorRB,
|
|
GLuint depthRB, GLuint stencilRB, GLuint fb,
|
|
GLenum target) {
|
|
MOZ_ASSERT(fb);
|
|
MOZ_ASSERT(!(colorTex && colorRB));
|
|
|
|
ScopedBindFramebuffer autoFB(this, fb);
|
|
MOZ_GL_ASSERT(this, fIsFramebuffer(fb)); // It only counts after being bound.
|
|
|
|
if (colorTex) {
|
|
MOZ_GL_ASSERT(this, fIsTexture(colorTex));
|
|
MOZ_ASSERT(target == LOCAL_GL_TEXTURE_2D ||
|
|
target == LOCAL_GL_TEXTURE_RECTANGLE_ARB);
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
target, colorTex, 0);
|
|
} else if (colorRB) {
|
|
// On the Android 4.3 emulator, IsRenderbuffer may return false incorrectly.
|
|
MOZ_GL_ASSERT(this, fIsRenderbuffer(colorRB) ||
|
|
Renderer() == GLRenderer::AndroidEmulator);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_RENDERBUFFER, colorRB);
|
|
}
|
|
|
|
if (depthRB) {
|
|
MOZ_GL_ASSERT(this, fIsRenderbuffer(depthRB) ||
|
|
Renderer() == GLRenderer::AndroidEmulator);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_DEPTH_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER, depthRB);
|
|
}
|
|
|
|
if (stencilRB) {
|
|
MOZ_GL_ASSERT(this, fIsRenderbuffer(stencilRB) ||
|
|
Renderer() == GLRenderer::AndroidEmulator);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_STENCIL_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER, stencilRB);
|
|
}
|
|
}
|
|
|
|
bool GLContext::AssembleOffscreenFBs(const GLuint colorMSRB,
|
|
const GLuint depthRB,
|
|
const GLuint stencilRB,
|
|
const GLuint texture, GLuint* drawFB_out,
|
|
GLuint* readFB_out) {
|
|
if (!colorMSRB && !texture) {
|
|
MOZ_ASSERT(!depthRB && !stencilRB);
|
|
|
|
if (drawFB_out) *drawFB_out = 0;
|
|
if (readFB_out) *readFB_out = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
ScopedBindFramebuffer autoFB(this);
|
|
|
|
GLuint drawFB = 0;
|
|
GLuint readFB = 0;
|
|
|
|
if (texture) {
|
|
readFB = 0;
|
|
fGenFramebuffers(1, &readFB);
|
|
BindFB(readFB);
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_TEXTURE_2D, texture, 0);
|
|
}
|
|
|
|
if (colorMSRB) {
|
|
drawFB = 0;
|
|
fGenFramebuffers(1, &drawFB);
|
|
BindFB(drawFB);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_RENDERBUFFER, colorMSRB);
|
|
} else {
|
|
drawFB = readFB;
|
|
}
|
|
MOZ_ASSERT(GetIntAs<GLuint>(LOCAL_GL_FRAMEBUFFER_BINDING) == drawFB);
|
|
|
|
if (depthRB) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_DEPTH_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER, depthRB);
|
|
}
|
|
|
|
if (stencilRB) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_STENCIL_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER, stencilRB);
|
|
}
|
|
|
|
// We should be all resized. Check for framebuffer completeness.
|
|
GLenum status;
|
|
bool isComplete = true;
|
|
|
|
if (!IsFramebufferComplete(drawFB, &status)) {
|
|
NS_WARNING("DrawFBO: Incomplete");
|
|
#ifdef MOZ_GL_DEBUG
|
|
if (ShouldSpew()) {
|
|
printf_stderr("Framebuffer status: %X\n", status);
|
|
}
|
|
#endif
|
|
isComplete = false;
|
|
}
|
|
|
|
if (!IsFramebufferComplete(readFB, &status)) {
|
|
NS_WARNING("ReadFBO: Incomplete");
|
|
#ifdef MOZ_GL_DEBUG
|
|
if (ShouldSpew()) {
|
|
printf_stderr("Framebuffer status: %X\n", status);
|
|
}
|
|
#endif
|
|
isComplete = false;
|
|
}
|
|
|
|
if (drawFB_out) {
|
|
*drawFB_out = drawFB;
|
|
} else if (drawFB) {
|
|
MOZ_CRASH("drawFB created when not requested!");
|
|
}
|
|
|
|
if (readFB_out) {
|
|
*readFB_out = readFB;
|
|
} else if (readFB) {
|
|
MOZ_CRASH("readFB created when not requested!");
|
|
}
|
|
|
|
return isComplete;
|
|
}
|
|
|
|
void GLContext::MarkDestroyed() {
|
|
if (IsDestroyed()) return;
|
|
|
|
OnMarkDestroyed();
|
|
|
|
// Null these before they're naturally nulled after dtor, as we want GLContext
|
|
// to still be alive in *their* dtors.
|
|
mBlitHelper = nullptr;
|
|
mReadTexImageHelper = nullptr;
|
|
|
|
mContextLost = true;
|
|
mSymbols = {};
|
|
}
|
|
|
|
// -
|
|
|
|
#ifdef MOZ_GL_DEBUG
|
|
/* static */
|
|
void GLContext::AssertNotPassingStackBufferToTheGL(const void* ptr) {
|
|
int somethingOnTheStack;
|
|
const void* someStackPtr = &somethingOnTheStack;
|
|
const int page_bits = 12;
|
|
intptr_t page = reinterpret_cast<uintptr_t>(ptr) >> page_bits;
|
|
intptr_t someStackPage =
|
|
reinterpret_cast<uintptr_t>(someStackPtr) >> page_bits;
|
|
uintptr_t pageDistance = std::abs(page - someStackPage);
|
|
|
|
// Explanation for the "distance <= 1" check here as opposed to just
|
|
// an equality check.
|
|
//
|
|
// Here we assume that pages immediately adjacent to the someStackAddress
|
|
// page, are also stack pages. That allows to catch the case where the calling
|
|
// frame put a buffer on the stack, and we just crossed the page boundary.
|
|
// That is likely to happen, precisely, when using stack arrays. I hit that
|
|
// specifically with CompositorOGL::Initialize.
|
|
//
|
|
// In theory we could be unlucky and wrongly assert here. If that happens,
|
|
// it will only affect debug builds, and looking at stacks we'll be able to
|
|
// see that this assert is wrong and revert to the conservative and safe
|
|
// approach of only asserting when address and someStackAddress are
|
|
// on the same page.
|
|
bool isStackAddress = pageDistance <= 1;
|
|
MOZ_ASSERT(!isStackAddress,
|
|
"Please don't pass stack arrays to the GL. "
|
|
"Consider using HeapCopyOfStackArray. "
|
|
"See bug 1005658.");
|
|
}
|
|
|
|
void GLContext::CreatedProgram(GLContext* aOrigin, GLuint aName) {
|
|
mTrackedPrograms.AppendElement(NamedResource(aOrigin, aName));
|
|
}
|
|
|
|
void GLContext::CreatedShader(GLContext* aOrigin, GLuint aName) {
|
|
mTrackedShaders.AppendElement(NamedResource(aOrigin, aName));
|
|
}
|
|
|
|
void GLContext::CreatedBuffers(GLContext* aOrigin, GLsizei aCount,
|
|
GLuint* aNames) {
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedBuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void GLContext::CreatedQueries(GLContext* aOrigin, GLsizei aCount,
|
|
GLuint* aNames) {
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedQueries.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void GLContext::CreatedTextures(GLContext* aOrigin, GLsizei aCount,
|
|
GLuint* aNames) {
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedTextures.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void GLContext::CreatedFramebuffers(GLContext* aOrigin, GLsizei aCount,
|
|
GLuint* aNames) {
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedFramebuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void GLContext::CreatedRenderbuffers(GLContext* aOrigin, GLsizei aCount,
|
|
GLuint* aNames) {
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedRenderbuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
static void RemoveNamesFromArray(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames,
|
|
nsTArray<GLContext::NamedResource>& aArray) {
|
|
for (GLsizei j = 0; j < aCount; ++j) {
|
|
GLuint name = aNames[j];
|
|
// name 0 can be ignored
|
|
if (name == 0) continue;
|
|
|
|
for (uint32_t i = 0; i < aArray.Length(); ++i) {
|
|
if (aArray[i].name == name) {
|
|
aArray.RemoveElementAt(i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void GLContext::DeletedProgram(GLContext* aOrigin, GLuint aName) {
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedPrograms);
|
|
}
|
|
|
|
void GLContext::DeletedShader(GLContext* aOrigin, GLuint aName) {
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedShaders);
|
|
}
|
|
|
|
void GLContext::DeletedBuffers(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames) {
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedBuffers);
|
|
}
|
|
|
|
void GLContext::DeletedQueries(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames) {
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedQueries);
|
|
}
|
|
|
|
void GLContext::DeletedTextures(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames) {
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedTextures);
|
|
}
|
|
|
|
void GLContext::DeletedFramebuffers(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames) {
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedFramebuffers);
|
|
}
|
|
|
|
void GLContext::DeletedRenderbuffers(GLContext* aOrigin, GLsizei aCount,
|
|
const GLuint* aNames) {
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedRenderbuffers);
|
|
}
|
|
|
|
static void MarkContextDestroyedInArray(
|
|
GLContext* aContext, nsTArray<GLContext::NamedResource>& aArray) {
|
|
for (uint32_t i = 0; i < aArray.Length(); ++i) {
|
|
if (aArray[i].origin == aContext) aArray[i].originDeleted = true;
|
|
}
|
|
}
|
|
|
|
void GLContext::SharedContextDestroyed(GLContext* aChild) {
|
|
MarkContextDestroyedInArray(aChild, mTrackedPrograms);
|
|
MarkContextDestroyedInArray(aChild, mTrackedShaders);
|
|
MarkContextDestroyedInArray(aChild, mTrackedTextures);
|
|
MarkContextDestroyedInArray(aChild, mTrackedFramebuffers);
|
|
MarkContextDestroyedInArray(aChild, mTrackedRenderbuffers);
|
|
MarkContextDestroyedInArray(aChild, mTrackedBuffers);
|
|
MarkContextDestroyedInArray(aChild, mTrackedQueries);
|
|
}
|
|
|
|
static void ReportArrayContents(
|
|
const char* title, const nsTArray<GLContext::NamedResource>& aArray) {
|
|
if (aArray.Length() == 0) return;
|
|
|
|
printf_stderr("%s:\n", title);
|
|
|
|
nsTArray<GLContext::NamedResource> copy(aArray.Clone());
|
|
copy.Sort();
|
|
|
|
GLContext* lastContext = nullptr;
|
|
for (uint32_t i = 0; i < copy.Length(); ++i) {
|
|
if (lastContext != copy[i].origin) {
|
|
if (lastContext) printf_stderr("\n");
|
|
printf_stderr(" [%p - %s] ", copy[i].origin,
|
|
copy[i].originDeleted ? "deleted" : "live");
|
|
lastContext = copy[i].origin;
|
|
}
|
|
printf_stderr("%d ", copy[i].name);
|
|
}
|
|
printf_stderr("\n");
|
|
}
|
|
|
|
void GLContext::ReportOutstandingNames() {
|
|
if (!ShouldSpew()) return;
|
|
|
|
printf_stderr("== GLContext %p Outstanding ==\n", this);
|
|
|
|
ReportArrayContents("Outstanding Textures", mTrackedTextures);
|
|
ReportArrayContents("Outstanding Buffers", mTrackedBuffers);
|
|
ReportArrayContents("Outstanding Queries", mTrackedQueries);
|
|
ReportArrayContents("Outstanding Programs", mTrackedPrograms);
|
|
ReportArrayContents("Outstanding Shaders", mTrackedShaders);
|
|
ReportArrayContents("Outstanding Framebuffers", mTrackedFramebuffers);
|
|
ReportArrayContents("Outstanding Renderbuffers", mTrackedRenderbuffers);
|
|
}
|
|
|
|
#endif /* DEBUG */
|
|
|
|
bool GLContext::IsOffscreenSizeAllowed(const IntSize& aSize) const {
|
|
int32_t biggerDimension = std::max(aSize.width, aSize.height);
|
|
int32_t maxAllowed = std::min(mMaxRenderbufferSize, mMaxTextureSize);
|
|
return biggerDimension <= maxAllowed;
|
|
}
|
|
|
|
bool GLContext::IsOwningThreadCurrent() {
|
|
return PlatformThread::CurrentId() == mOwningThreadId;
|
|
}
|
|
|
|
GLBlitHelper* GLContext::BlitHelper() {
|
|
if (!mBlitHelper) {
|
|
mBlitHelper.reset(new GLBlitHelper(this));
|
|
}
|
|
|
|
return mBlitHelper.get();
|
|
}
|
|
|
|
GLReadTexImageHelper* GLContext::ReadTexImageHelper() {
|
|
if (!mReadTexImageHelper) {
|
|
mReadTexImageHelper = MakeUnique<GLReadTexImageHelper>(this);
|
|
}
|
|
|
|
return mReadTexImageHelper.get();
|
|
}
|
|
|
|
void GLContext::FlushIfHeavyGLCallsSinceLastFlush() {
|
|
if (!mHeavyGLCallsSinceLastFlush) {
|
|
return;
|
|
}
|
|
if (MakeCurrent()) {
|
|
fFlush();
|
|
}
|
|
}
|
|
|
|
/*static*/
|
|
bool GLContext::ShouldDumpExts() { return gfxEnv::GlDumpExtensions(); }
|
|
|
|
bool DoesStringMatch(const char* aString, const char* aWantedString) {
|
|
if (!aString || !aWantedString) return false;
|
|
|
|
const char* occurrence = strstr(aString, aWantedString);
|
|
|
|
// aWanted not found
|
|
if (!occurrence) return false;
|
|
|
|
// aWantedString preceded by alpha character
|
|
if (occurrence != aString && isalpha(*(occurrence - 1))) return false;
|
|
|
|
// aWantedVendor followed by alpha character
|
|
const char* afterOccurrence = occurrence + strlen(aWantedString);
|
|
if (isalpha(*afterOccurrence)) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/*static*/
|
|
bool GLContext::ShouldSpew() { return gfxEnv::GlSpew(); }
|
|
|
|
void SplitByChar(const nsACString& str, const char delim,
|
|
std::vector<nsCString>* const out) {
|
|
uint32_t start = 0;
|
|
while (true) {
|
|
int32_t end = str.FindChar(' ', start);
|
|
if (end == -1) break;
|
|
|
|
uint32_t len = (uint32_t)end - start;
|
|
nsDependentCSubstring substr(str, start, len);
|
|
out->push_back(nsCString(substr));
|
|
|
|
start = end + 1;
|
|
}
|
|
|
|
nsDependentCSubstring substr(str, start);
|
|
out->push_back(nsCString(substr));
|
|
}
|
|
|
|
void GLContext::fCopyTexImage2D(GLenum target, GLint level,
|
|
GLenum internalformat, GLint x, GLint y,
|
|
GLsizei width, GLsizei height, GLint border) {
|
|
if (!IsTextureSizeSafeToPassToDriver(target, width, height)) {
|
|
// pass wrong values to cause the GL to generate GL_INVALID_VALUE.
|
|
// See bug 737182 and the comment in IsTextureSizeSafeToPassToDriver.
|
|
level = -1;
|
|
width = -1;
|
|
height = -1;
|
|
border = -1;
|
|
}
|
|
|
|
BeforeGLReadCall();
|
|
raw_fCopyTexImage2D(target, level, internalformat, x, y, width, height,
|
|
border);
|
|
AfterGLReadCall();
|
|
}
|
|
|
|
void GLContext::fGetIntegerv(const GLenum pname, GLint* const params) const {
|
|
const auto AssertBinding = [&](const char* const name, const GLenum binding,
|
|
const GLuint expected) {
|
|
if (MOZ_LIKELY(!mDebugFlags)) return;
|
|
GLuint actual = 0;
|
|
raw_fGetIntegerv(binding, (GLint*)&actual);
|
|
if (actual != expected) {
|
|
gfxCriticalError() << "Misprediction: " << name << " expected "
|
|
<< expected << ", was " << actual;
|
|
}
|
|
};
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_MAX_TEXTURE_SIZE:
|
|
MOZ_ASSERT(mMaxTextureSize > 0);
|
|
*params = mMaxTextureSize;
|
|
return;
|
|
|
|
case LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE:
|
|
MOZ_ASSERT(mMaxCubeMapTextureSize > 0);
|
|
*params = mMaxCubeMapTextureSize;
|
|
return;
|
|
|
|
case LOCAL_GL_MAX_RENDERBUFFER_SIZE:
|
|
MOZ_ASSERT(mMaxRenderbufferSize > 0);
|
|
*params = mMaxRenderbufferSize;
|
|
return;
|
|
|
|
case LOCAL_GL_VIEWPORT:
|
|
for (size_t i = 0; i < 4; i++) {
|
|
params[i] = mViewportRect[i];
|
|
}
|
|
return;
|
|
|
|
case LOCAL_GL_SCISSOR_BOX:
|
|
for (size_t i = 0; i < 4; i++) {
|
|
params[i] = mScissorRect[i];
|
|
}
|
|
return;
|
|
|
|
case LOCAL_GL_DRAW_FRAMEBUFFER_BINDING:
|
|
if (mElideDuplicateBindFramebuffers) {
|
|
static_assert(LOCAL_GL_DRAW_FRAMEBUFFER_BINDING ==
|
|
LOCAL_GL_FRAMEBUFFER_BINDING);
|
|
AssertBinding("GL_DRAW_FRAMEBUFFER_BINDING",
|
|
LOCAL_GL_DRAW_FRAMEBUFFER_BINDING, mCachedDrawFb);
|
|
*params = static_cast<GLint>(mCachedDrawFb);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case LOCAL_GL_READ_FRAMEBUFFER_BINDING:
|
|
if (mElideDuplicateBindFramebuffers) {
|
|
if (IsSupported(GLFeature::framebuffer_blit)) {
|
|
AssertBinding("GL_READ_FRAMEBUFFER_BINDING",
|
|
LOCAL_GL_READ_FRAMEBUFFER_BINDING, mCachedReadFb);
|
|
}
|
|
*params = static_cast<GLint>(mCachedReadFb);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
raw_fGetIntegerv(pname, params);
|
|
}
|
|
|
|
void GLContext::fReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
|
|
GLenum format, GLenum type, GLvoid* pixels) {
|
|
BeforeGLReadCall();
|
|
raw_fReadPixels(x, y, width, height, format, type, pixels);
|
|
AfterGLReadCall();
|
|
|
|
// Check if GL is giving back 1.0 alpha for
|
|
// RGBA reads to RGBA images from no-alpha buffers.
|
|
#ifdef XP_MACOSX
|
|
if (WorkAroundDriverBugs() && Vendor() == gl::GLVendor::NVIDIA &&
|
|
format == LOCAL_GL_RGBA && type == LOCAL_GL_UNSIGNED_BYTE &&
|
|
!IsCoreProfile() && width && height) {
|
|
GLint alphaBits = 0;
|
|
fGetIntegerv(LOCAL_GL_ALPHA_BITS, &alphaBits);
|
|
if (!alphaBits) {
|
|
const uint32_t alphaMask = 0xff000000;
|
|
|
|
uint32_t* itr = (uint32_t*)pixels;
|
|
uint32_t testPixel = *itr;
|
|
if ((testPixel & alphaMask) != alphaMask) {
|
|
// We need to set the alpha channel to 1.0 manually.
|
|
uint32_t* itrEnd =
|
|
itr + width * height; // Stride is guaranteed to be width*4.
|
|
|
|
for (; itr != itrEnd; itr++) {
|
|
*itr |= alphaMask;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void GLContext::fDeleteFramebuffers(GLsizei n, const GLuint* names) {
|
|
// Avoid crash by flushing before glDeleteFramebuffers. See bug 1194923.
|
|
if (mNeedsFlushBeforeDeleteFB) {
|
|
fFlush();
|
|
}
|
|
|
|
if (n == 1 && *names == 0) {
|
|
// Deleting framebuffer 0 causes hangs on the DROID. See bug 623228.
|
|
} else {
|
|
raw_fDeleteFramebuffers(n, names);
|
|
}
|
|
TRACKING_CONTEXT(DeletedFramebuffers(this, n, names));
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
/**
|
|
* Conservatively estimate whether there is enough available
|
|
* contiguous virtual address space to map a newly allocated texture.
|
|
*/
|
|
static bool WillTextureMapSucceed(GLsizei width, GLsizei height, GLenum format,
|
|
GLenum type) {
|
|
bool willSucceed = false;
|
|
// Some drivers leave large gaps between textures, so require
|
|
// there to be double the actual size of the texture available.
|
|
size_t size = width * height * GetBytesPerTexel(format, type) * 2;
|
|
|
|
void* p = mmap(nullptr, size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
|
|
if (p != MAP_FAILED) {
|
|
willSucceed = true;
|
|
munmap(p, size);
|
|
}
|
|
|
|
return willSucceed;
|
|
}
|
|
#endif // MOZ_WIDGET_ANDROID
|
|
|
|
void GLContext::fTexImage2D(GLenum target, GLint level, GLint internalformat,
|
|
GLsizei width, GLsizei height, GLint border,
|
|
GLenum format, GLenum type, const GLvoid* pixels) {
|
|
if (!IsTextureSizeSafeToPassToDriver(target, width, height)) {
|
|
// pass wrong values to cause the GL to generate GL_INVALID_VALUE.
|
|
// See bug 737182 and the comment in IsTextureSizeSafeToPassToDriver.
|
|
level = -1;
|
|
width = -1;
|
|
height = -1;
|
|
border = -1;
|
|
}
|
|
#if MOZ_WIDGET_ANDROID
|
|
if (mTextureAllocCrashesOnMapFailure) {
|
|
// We have no way of knowing whether this texture already has
|
|
// storage allocated for it, and therefore whether this check
|
|
// is necessary. We must therefore assume it does not and
|
|
// always perform the check.
|
|
if (!WillTextureMapSucceed(width, height, internalformat, type)) {
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
raw_fTexImage2D(target, level, internalformat, width, height, border, format,
|
|
type, pixels);
|
|
}
|
|
|
|
UniquePtr<Texture> CreateTexture(GLContext& gl, const gfx::IntSize& size) {
|
|
const GLenum target = LOCAL_GL_TEXTURE_2D;
|
|
const GLenum format = LOCAL_GL_RGBA;
|
|
|
|
auto tex = MakeUnique<Texture>(gl);
|
|
ScopedBindTexture autoTex(&gl, tex->name, target);
|
|
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
|
|
|
|
gl.fTexImage2D(target, 0, format, size.width, size.height, 0, format,
|
|
LOCAL_GL_UNSIGNED_BYTE, nullptr);
|
|
|
|
return tex;
|
|
}
|
|
|
|
uint32_t GetBytesPerTexel(GLenum format, GLenum type) {
|
|
// If there is no defined format or type, we're not taking up any memory
|
|
if (!format || !type) {
|
|
return 0;
|
|
}
|
|
|
|
if (format == LOCAL_GL_DEPTH_COMPONENT) {
|
|
if (type == LOCAL_GL_UNSIGNED_SHORT)
|
|
return 2;
|
|
else if (type == LOCAL_GL_UNSIGNED_INT)
|
|
return 4;
|
|
} else if (format == LOCAL_GL_DEPTH_STENCIL) {
|
|
if (type == LOCAL_GL_UNSIGNED_INT_24_8_EXT) return 4;
|
|
}
|
|
|
|
if (type == LOCAL_GL_UNSIGNED_BYTE || type == LOCAL_GL_FLOAT ||
|
|
type == LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV) {
|
|
uint32_t multiplier = type == LOCAL_GL_UNSIGNED_BYTE ? 1 : 4;
|
|
switch (format) {
|
|
case LOCAL_GL_ALPHA:
|
|
case LOCAL_GL_LUMINANCE:
|
|
case LOCAL_GL_R8:
|
|
return 1 * multiplier;
|
|
case LOCAL_GL_LUMINANCE_ALPHA:
|
|
case LOCAL_GL_R16:
|
|
return 2 * multiplier;
|
|
case LOCAL_GL_RGB:
|
|
return 3 * multiplier;
|
|
case LOCAL_GL_RGBA:
|
|
case LOCAL_GL_BGRA_EXT:
|
|
return 4 * multiplier;
|
|
default:
|
|
break;
|
|
}
|
|
} else if (type == LOCAL_GL_UNSIGNED_SHORT_4_4_4_4 ||
|
|
type == LOCAL_GL_UNSIGNED_SHORT_5_5_5_1 ||
|
|
type == LOCAL_GL_UNSIGNED_SHORT_5_6_5 ||
|
|
type == LOCAL_GL_UNSIGNED_SHORT) {
|
|
return 2;
|
|
}
|
|
|
|
gfxCriticalError() << "Unknown texture type " << type << " or format "
|
|
<< format;
|
|
return 0;
|
|
}
|
|
|
|
bool GLContext::MakeCurrent(bool aForce) const {
|
|
if (MOZ_UNLIKELY(IsContextLost())) return false;
|
|
|
|
if (MOZ_LIKELY(!aForce)) {
|
|
bool isCurrent;
|
|
if (mUseTLSIsCurrent) {
|
|
isCurrent = (sCurrentContext.get() == reinterpret_cast<uintptr_t>(this));
|
|
} else {
|
|
isCurrent = IsCurrentImpl();
|
|
}
|
|
if (MOZ_LIKELY(isCurrent)) {
|
|
MOZ_ASSERT(IsCurrentImpl() ||
|
|
!MakeCurrentImpl()); // Might have lost context.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (!MakeCurrentImpl()) return false;
|
|
|
|
sCurrentContext.set(reinterpret_cast<uintptr_t>(this));
|
|
return true;
|
|
}
|
|
|
|
void GLContext::ResetSyncCallCount(const char* resetReason) const {
|
|
if (ShouldSpew()) {
|
|
printf_stderr("On %s, mSyncGLCallCount = %" PRIu64 "\n", resetReason,
|
|
mSyncGLCallCount);
|
|
}
|
|
|
|
mSyncGLCallCount = 0;
|
|
}
|
|
|
|
// -
|
|
|
|
bool CheckContextLost(const GLContext* const gl) {
|
|
return gl->CheckContextLost();
|
|
}
|
|
|
|
// -
|
|
|
|
GLenum GLContext::GetError() const {
|
|
if (mContextLost) return LOCAL_GL_CONTEXT_LOST;
|
|
|
|
if (mImplicitMakeCurrent) {
|
|
(void)MakeCurrent();
|
|
}
|
|
|
|
const auto fnGetError = [&]() {
|
|
const auto ret = mSymbols.fGetError();
|
|
if (ret == LOCAL_GL_CONTEXT_LOST) {
|
|
OnContextLostError();
|
|
mTopError = ret; // Promote to top!
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
auto ret = fnGetError();
|
|
|
|
{
|
|
auto flushedErr = ret;
|
|
uint32_t i = 1;
|
|
while (flushedErr && !mContextLost) {
|
|
if (i == 100) {
|
|
gfxCriticalError() << "Flushing glGetError still "
|
|
<< gfx::hexa(flushedErr) << " after " << i
|
|
<< " calls.";
|
|
break;
|
|
}
|
|
flushedErr = fnGetError();
|
|
i += 1;
|
|
}
|
|
}
|
|
|
|
if (mTopError) {
|
|
ret = mTopError;
|
|
mTopError = 0;
|
|
}
|
|
|
|
if (mDebugFlags & DebugFlagTrace) {
|
|
const auto errStr = GLErrorToString(ret);
|
|
printf_stderr("[gl:%p] GetError() -> %s\n", this, errStr.c_str());
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
GLenum GLContext::fGetGraphicsResetStatus() const {
|
|
OnSyncCall();
|
|
|
|
GLenum ret = 0;
|
|
if (mSymbols.fGetGraphicsResetStatus) {
|
|
if (mImplicitMakeCurrent) {
|
|
(void)MakeCurrent();
|
|
}
|
|
ret = mSymbols.fGetGraphicsResetStatus();
|
|
} else {
|
|
if (!MakeCurrent(true)) {
|
|
ret = LOCAL_GL_UNKNOWN_CONTEXT_RESET_ARB;
|
|
}
|
|
}
|
|
|
|
if (mDebugFlags & DebugFlagTrace) {
|
|
printf_stderr("[gl:%p] GetGraphicsResetStatus() -> 0x%04x\n", this, ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void GLContext::OnContextLostError() const {
|
|
if (mDebugFlags & DebugFlagTrace) {
|
|
printf_stderr("[gl:%p] CONTEXT_LOST\n", this);
|
|
}
|
|
mContextLost = true;
|
|
}
|
|
|
|
// --
|
|
|
|
/*static*/ std::string GLContext::GLErrorToString(const GLenum err) {
|
|
switch (err) {
|
|
case LOCAL_GL_NO_ERROR:
|
|
return "GL_NO_ERROR";
|
|
case LOCAL_GL_INVALID_ENUM:
|
|
return "GL_INVALID_ENUM";
|
|
case LOCAL_GL_INVALID_VALUE:
|
|
return "GL_INVALID_VALUE";
|
|
case LOCAL_GL_INVALID_OPERATION:
|
|
return "GL_INVALID_OPERATION";
|
|
case LOCAL_GL_STACK_OVERFLOW:
|
|
return "GL_STACK_OVERFLOW";
|
|
case LOCAL_GL_STACK_UNDERFLOW:
|
|
return "GL_STACK_UNDERFLOW";
|
|
case LOCAL_GL_OUT_OF_MEMORY:
|
|
return "GL_OUT_OF_MEMORY";
|
|
case LOCAL_GL_TABLE_TOO_LARGE:
|
|
return "GL_TABLE_TOO_LARGE";
|
|
case LOCAL_GL_INVALID_FRAMEBUFFER_OPERATION:
|
|
return "GL_INVALID_FRAMEBUFFER_OPERATION";
|
|
case LOCAL_GL_CONTEXT_LOST:
|
|
return "GL_CONTEXT_LOST";
|
|
}
|
|
|
|
const nsPrintfCString hex("<enum 0x%04x>", err);
|
|
return hex.BeginReading();
|
|
}
|
|
|
|
// --
|
|
|
|
void GLContext::BeforeGLCall_Debug(const char* const funcName) const {
|
|
MOZ_ASSERT(mDebugFlags);
|
|
|
|
if (mDebugFlags & DebugFlagTrace) {
|
|
printf_stderr("[gl:%p] > %s\n", this, funcName);
|
|
}
|
|
|
|
MOZ_ASSERT(!mDebugErrorScope);
|
|
mDebugErrorScope.reset(new LocalErrorScope(*this));
|
|
}
|
|
|
|
void GLContext::AfterGLCall_Debug(const char* const funcName) const {
|
|
MOZ_ASSERT(mDebugFlags);
|
|
|
|
// calling fFinish() immediately after every GL call makes sure that if this
|
|
// GL command crashes, the stack trace will actually point to it. Otherwise,
|
|
// OpenGL being an asynchronous API, stack traces tend to be meaningless
|
|
mSymbols.fFinish();
|
|
|
|
const auto err = mDebugErrorScope->GetError();
|
|
mDebugErrorScope = nullptr;
|
|
if (!mTopError) {
|
|
mTopError = err;
|
|
}
|
|
|
|
if (mDebugFlags & DebugFlagTrace) {
|
|
printf_stderr("[gl:%p] < %s [%s]\n", this, funcName,
|
|
GLErrorToString(err).c_str());
|
|
}
|
|
|
|
if (err && !mLocalErrorScopeStack.size()) {
|
|
const auto errStr = GLErrorToString(err);
|
|
const auto text = nsPrintfCString("%s: Generated unexpected %s error",
|
|
funcName, errStr.c_str());
|
|
printf_stderr("[gl:%p] %s.\n", this, text.BeginReading());
|
|
|
|
const bool abortOnError = mDebugFlags & DebugFlagAbortOnError;
|
|
if (abortOnError && err != LOCAL_GL_CONTEXT_LOST) {
|
|
gfxCriticalErrorOnce() << text.BeginReading();
|
|
MOZ_CRASH(
|
|
"Aborting... (Run with MOZ_GL_DEBUG_ABORT_ON_ERROR=0 to disable)");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*static*/
|
|
void GLContext::OnImplicitMakeCurrentFailure(const char* const funcName) {
|
|
gfxCriticalError() << "Ignoring call to " << funcName << " with failed"
|
|
<< " mImplicitMakeCurrent.";
|
|
}
|
|
|
|
bool GLContext::CreateOffscreenDefaultFb(const gfx::IntSize& size) {
|
|
mOffscreenDefaultFb = MozFramebuffer::Create(this, size, 0, true);
|
|
return bool(mOffscreenDefaultFb);
|
|
}
|
|
|
|
// Some of Mesa's drivers allocate heap memory when loaded and don't
|
|
// free it when unloaded; this causes Leak Sanitizer to detect leaks and
|
|
// fail to unwind the stack, so suppressions don't work. This
|
|
// workaround leaks a reference to the driver library so that it's never
|
|
// unloaded. Because the leak isn't significant for real usage, only
|
|
// ASan runs in CI, this is applied only to the software renderer.
|
|
//
|
|
// See bug 1702394 for more details.
|
|
void MesaMemoryLeakWorkaround() {
|
|
#if defined(XP_LINUX) && !defined(ANDROID)
|
|
Maybe<nsAutoCString> foundPath;
|
|
|
|
dl_iterate_phdr(
|
|
[](dl_phdr_info* info, size_t size, void* data) {
|
|
auto& foundPath = *reinterpret_cast<Maybe<nsAutoCString>*>(data);
|
|
nsDependentCString thisPath(info->dlpi_name);
|
|
if (StringEndsWith(thisPath, "/swrast_dri.so"_ns)) {
|
|
foundPath.emplace(thisPath);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
&foundPath);
|
|
|
|
if (foundPath) {
|
|
// Deliberately leak to prevent unload
|
|
Unused << dlopen(foundPath->get(), RTLD_LAZY);
|
|
}
|
|
#endif // XP_LINUX but not ANDROID
|
|
}
|
|
|
|
} /* namespace gl */
|
|
} /* namespace mozilla */
|