forked from mirrors/gecko-dev
1227 lines
59 KiB
C++
1227 lines
59 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "WebGLFormats.h"
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#include "GLContext.h"
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#include "GLDefs.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/StaticMutex.h"
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namespace mozilla::webgl {
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const char* ToString(const ComponentType type) {
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switch (type) {
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case ComponentType::Int:
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return "Int";
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case ComponentType::UInt:
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return "UInt";
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case ComponentType::NormInt:
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return "NormInt";
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case ComponentType::NormUInt:
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return "NormUInt";
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case ComponentType::Float:
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return "Float";
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}
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MOZ_CRASH("pacify gcc6 warning");
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}
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static TextureBaseType ToBaseType(const ComponentType type) {
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switch (type) {
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case ComponentType::Int:
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return TextureBaseType::Int;
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case ComponentType::UInt:
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return TextureBaseType::UInt;
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case ComponentType::NormInt:
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case ComponentType::NormUInt:
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case ComponentType::Float:
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// case ComponentType::Depth:
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return TextureBaseType::Float;
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}
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MOZ_CRASH("pacify gcc6 warning");
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}
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const char* ToString(const TextureBaseType x) {
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switch (x) {
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case webgl::TextureBaseType::Float:
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return "FLOAT";
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case webgl::TextureBaseType::Int:
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return "INT";
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case webgl::TextureBaseType::UInt:
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return "UINT";
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}
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MOZ_CRASH("pacify gcc6 warning");
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}
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// -
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template <typename K, typename V, typename K2, typename V2>
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static inline void AlwaysInsert(std::map<K, V>& dest, const K2& key,
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const V2& val) {
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auto res = dest.insert({key, val});
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bool didInsert = res.second;
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MOZ_ALWAYS_TRUE(didInsert);
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}
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template <typename K, typename V, typename K2>
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static inline V* FindOrNull(const std::map<K, V*>& dest, const K2& key) {
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auto itr = dest.find(key);
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if (itr == dest.end()) return nullptr;
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return itr->second;
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}
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// Returns a pointer to the in-place value for `key`.
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template <typename C, typename K2>
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static inline auto FindPtrOrNull(C& container, const K2& key) {
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auto itr = container.find(key);
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using R = decltype(&(itr->second));
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if (itr == container.end()) return R{nullptr};
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return &(itr->second);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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std::map<EffectiveFormat, const CompressedFormatInfo> gCompressedFormatInfoMap;
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std::map<EffectiveFormat, FormatInfo> gFormatInfoMap;
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static inline const CompressedFormatInfo* GetCompressedFormatInfo(
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EffectiveFormat format) {
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MOZ_ASSERT(!gCompressedFormatInfoMap.empty());
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return FindPtrOrNull(gCompressedFormatInfoMap, format);
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}
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static inline FormatInfo* GetFormatInfo_NoLock(EffectiveFormat format) {
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MOZ_ASSERT(!gFormatInfoMap.empty());
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return FindPtrOrNull(gFormatInfoMap, format);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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static void AddCompressedFormatInfo(EffectiveFormat format,
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uint16_t bitsPerBlock, uint8_t blockWidth,
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uint8_t blockHeight,
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CompressionFamily family) {
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MOZ_ASSERT(bitsPerBlock % 8 == 0);
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uint16_t bytesPerBlock = bitsPerBlock / 8; // The specs always state these in
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// bits, but it's only ever useful
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// to us as bytes.
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MOZ_ASSERT(bytesPerBlock <= 255);
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const CompressedFormatInfo info = {format, uint8_t(bytesPerBlock), blockWidth,
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blockHeight, family};
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AlwaysInsert(gCompressedFormatInfoMap, format, info);
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}
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static void InitCompressedFormatInfo() {
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// clang-format off
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// GLES 3.0.4, p147, table 3.19
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// GLES 3.0.4, p286+, $C.1 "ETC Compressed Texture Image Formats"
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB8_ETC2 , 64, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ETC2 , 64, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA8_ETC2_EAC , 128, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ETC2_EAC , 128, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_R11_EAC , 64, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RG11_EAC , 128, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SIGNED_R11_EAC , 64, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SIGNED_RG11_EAC , 128, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 , 64, 4, 4, CompressionFamily::ES3);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 64, 4, 4, CompressionFamily::ES3);
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// EXT_texture_compression_bptc
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_BPTC_UNORM , 16*8, 4, 4, CompressionFamily::BPTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB_ALPHA_BPTC_UNORM , 16*8, 4, 4, CompressionFamily::BPTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB_BPTC_SIGNED_FLOAT , 16*8, 4, 4, CompressionFamily::BPTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 16*8, 4, 4, CompressionFamily::BPTC);
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// EXT_texture_compression_rgtc
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RED_RGTC1 , 8*8, 4, 4, CompressionFamily::RGTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SIGNED_RED_RGTC1, 8*8, 4, 4, CompressionFamily::RGTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RG_RGTC2 , 16*8, 4, 4, CompressionFamily::RGTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SIGNED_RG_RGTC2 , 16*8, 4, 4, CompressionFamily::RGTC);
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// EXT_texture_compression_s3tc
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB_S3TC_DXT1_EXT , 64, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT1_EXT, 64, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT3_EXT, 128, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT5_EXT, 128, 4, 4, CompressionFamily::S3TC);
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// EXT_texture_compression_s3tc_srgb
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB_S3TC_DXT1_EXT , 64, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 64, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 128, 4, 4, CompressionFamily::S3TC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 128, 4, 4, CompressionFamily::S3TC);
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// KHR_texture_compression_astc_ldr
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_4x4_KHR , 128, 4, 4, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_5x4_KHR , 128, 5, 4, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_5x5_KHR , 128, 5, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_6x5_KHR , 128, 6, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_6x6_KHR , 128, 6, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_8x5_KHR , 128, 8, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_8x6_KHR , 128, 8, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_8x8_KHR , 128, 8, 8, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_10x5_KHR , 128, 10, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_10x6_KHR , 128, 10, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_10x8_KHR , 128, 10, 8, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_10x10_KHR , 128, 10, 10, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_12x10_KHR , 128, 12, 10, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_ASTC_12x12_KHR , 128, 12, 12, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR , 128, 4, 4, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR , 128, 5, 4, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR , 128, 5, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR , 128, 6, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR , 128, 6, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR , 128, 8, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR , 128, 8, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR , 128, 8, 8, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR , 128, 10, 5, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR , 128, 10, 6, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR , 128, 10, 8, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 128, 10, 10, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 128, 12, 10, CompressionFamily::ASTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 128, 12, 12, CompressionFamily::ASTC);
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// IMG_texture_compression_pvrtc
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB_PVRTC_4BPPV1 , 256, 8, 8, CompressionFamily::PVRTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_PVRTC_4BPPV1, 256, 8, 8, CompressionFamily::PVRTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGB_PVRTC_2BPPV1 , 256, 16, 8, CompressionFamily::PVRTC);
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AddCompressedFormatInfo(EffectiveFormat::COMPRESSED_RGBA_PVRTC_2BPPV1, 256, 16, 8, CompressionFamily::PVRTC);
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// OES_compressed_ETC1_RGB8_texture
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AddCompressedFormatInfo(EffectiveFormat::ETC1_RGB8_OES, 64, 4, 4, CompressionFamily::ETC1);
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// clang-format on
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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static void AddFormatInfo(EffectiveFormat format, const char* name,
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GLenum sizedFormat, uint8_t bytesPerPixel, uint8_t r,
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uint8_t g, uint8_t b, uint8_t a, uint8_t d, uint8_t s,
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UnsizedFormat unsizedFormat, bool isSRGB,
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ComponentType componentType) {
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switch (unsizedFormat) {
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case UnsizedFormat::R:
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MOZ_ASSERT(r && !g && !b && !a && !d && !s);
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break;
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case UnsizedFormat::RG:
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MOZ_ASSERT(r && g && !b && !a && !d && !s);
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break;
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case UnsizedFormat::RGB:
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MOZ_ASSERT(r && g && b && !a && !d && !s);
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break;
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case UnsizedFormat::RGBA:
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MOZ_ASSERT(r && g && b && a && !d && !s);
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break;
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case UnsizedFormat::L:
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MOZ_ASSERT(r && !g && !b && !a && !d && !s);
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break;
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case UnsizedFormat::A:
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MOZ_ASSERT(!r && !g && !b && a && !d && !s);
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break;
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case UnsizedFormat::LA:
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MOZ_ASSERT(r && !g && !b && a && !d && !s);
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break;
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case UnsizedFormat::D:
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MOZ_ASSERT(!r && !g && !b && !a && d && !s);
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break;
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case UnsizedFormat::S:
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MOZ_ASSERT(!r && !g && !b && !a && !d && s);
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break;
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case UnsizedFormat::DEPTH_STENCIL:
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MOZ_ASSERT(!r && !g && !b && !a && d && s);
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break;
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}
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const CompressedFormatInfo* compressedFormatInfo =
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GetCompressedFormatInfo(format);
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MOZ_ASSERT(!bytesPerPixel == bool(compressedFormatInfo));
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#ifdef DEBUG
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uint8_t totalBits = r + g + b + a + d + s;
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if (format == EffectiveFormat::RGB9_E5) {
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totalBits = 9 + 9 + 9 + 5;
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}
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if (compressedFormatInfo) {
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MOZ_ASSERT(totalBits);
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MOZ_ASSERT(!bytesPerPixel);
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} else {
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MOZ_ASSERT(totalBits == bytesPerPixel * 8);
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}
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#endif
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const FormatInfo info = {format,
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name,
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sizedFormat,
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unsizedFormat,
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componentType,
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ToBaseType(componentType),
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isSRGB,
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compressedFormatInfo,
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bytesPerPixel,
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r,
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g,
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b,
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a,
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d,
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s};
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AlwaysInsert(gFormatInfoMap, format, info);
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}
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static void InitFormatInfo() {
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// This function is full of expressive formatting, so:
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// clang-format off
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#define FOO(x) EffectiveFormat::x, #x, LOCAL_GL_ ## x
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// GLES 3.0.4, p130-132, table 3.13
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AddFormatInfo(FOO(R8 ), 1, 8, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::NormUInt);
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AddFormatInfo(FOO(R8_SNORM ), 1, 8, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::NormInt );
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AddFormatInfo(FOO(RG8 ), 2, 8, 8, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RG8_SNORM ), 2, 8, 8, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::NormInt );
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AddFormatInfo(FOO(RGB8 ), 3, 8, 8, 8, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGB8_SNORM ), 3, 8, 8, 8, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormInt );
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AddFormatInfo(FOO(RGB565 ), 2, 5, 6, 5, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGBA4 ), 2, 4, 4, 4, 4, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGB5_A1 ), 2, 5, 5, 5, 1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGBA8 ), 4, 8, 8, 8, 8, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGBA8_SNORM ), 4, 8, 8, 8, 8, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormInt );
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AddFormatInfo(FOO(RGB10_A2 ), 4, 10,10,10, 2, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
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AddFormatInfo(FOO(RGB10_A2UI ), 4, 10,10,10, 2, 0,0, UnsizedFormat::RGBA, false, ComponentType::UInt );
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AddFormatInfo(FOO(SRGB8 ), 3, 8, 8, 8, 0, 0,0, UnsizedFormat::RGB , true , ComponentType::NormUInt);
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AddFormatInfo(FOO(SRGB8_ALPHA8 ), 4, 8, 8, 8, 8, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
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AddFormatInfo(FOO(R16F ), 2, 16, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::Float );
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AddFormatInfo(FOO(RG16F ), 4, 16,16, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::Float );
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AddFormatInfo(FOO(RGB16F ), 6, 16,16,16, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
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AddFormatInfo(FOO(RGBA16F ), 8, 16,16,16,16, 0,0, UnsizedFormat::RGBA, false, ComponentType::Float );
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AddFormatInfo(FOO(R32F ), 4, 32, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::Float );
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AddFormatInfo(FOO(RG32F ), 8, 32,32, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::Float );
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AddFormatInfo(FOO(RGB32F ), 12, 32,32,32, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
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AddFormatInfo(FOO(RGBA32F ), 16, 32,32,32,32, 0,0, UnsizedFormat::RGBA, false, ComponentType::Float );
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AddFormatInfo(FOO(R11F_G11F_B10F), 4, 11,11,10, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
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AddFormatInfo(FOO(RGB9_E5 ), 4, 14,14,14, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
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AddFormatInfo(FOO(R8I ), 1, 8, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::Int );
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AddFormatInfo(FOO(R8UI ), 1, 8, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::UInt );
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AddFormatInfo(FOO(R16I ), 2, 16, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::Int );
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AddFormatInfo(FOO(R16UI ), 2, 16, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::UInt );
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AddFormatInfo(FOO(R32I ), 4, 32, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::Int );
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AddFormatInfo(FOO(R32UI ), 4, 32, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::UInt );
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AddFormatInfo(FOO(RG8I ), 2, 8, 8, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::Int );
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AddFormatInfo(FOO(RG8UI ), 2, 8, 8, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::UInt );
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AddFormatInfo(FOO(RG16I ), 4, 16,16, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::Int );
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AddFormatInfo(FOO(RG16UI ), 4, 16,16, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::UInt );
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AddFormatInfo(FOO(RG32I ), 8, 32,32, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::Int );
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|
AddFormatInfo(FOO(RG32UI ), 8, 32,32, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::UInt );
|
|
|
|
AddFormatInfo(FOO(RGB8I ), 3, 8, 8, 8, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGB8UI ), 3, 8, 8, 8, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::UInt );
|
|
AddFormatInfo(FOO(RGB16I ), 6, 16,16,16, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGB16UI ), 6, 16,16,16, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::UInt );
|
|
AddFormatInfo(FOO(RGB32I ), 12, 32,32,32, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGB32UI ), 12, 32,32,32, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::UInt );
|
|
|
|
AddFormatInfo(FOO(RGBA8I ), 4, 8, 8, 8, 8, 0,0, UnsizedFormat::RGBA, false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGBA8UI ), 4, 8, 8, 8, 8, 0,0, UnsizedFormat::RGBA, false, ComponentType::UInt );
|
|
AddFormatInfo(FOO(RGBA16I ), 8, 16,16,16,16, 0,0, UnsizedFormat::RGBA, false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGBA16UI ), 8, 16,16,16,16, 0,0, UnsizedFormat::RGBA, false, ComponentType::UInt );
|
|
AddFormatInfo(FOO(RGBA32I ), 16, 32,32,32,32, 0,0, UnsizedFormat::RGBA, false, ComponentType::Int );
|
|
AddFormatInfo(FOO(RGBA32UI ), 16, 32,32,32,32, 0,0, UnsizedFormat::RGBA, false, ComponentType::UInt );
|
|
|
|
// GLES 3.0.4, p133, table 3.14
|
|
AddFormatInfo(FOO(DEPTH_COMPONENT16 ), 2, 0,0,0,0, 16,0, UnsizedFormat::D , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(DEPTH_COMPONENT24 ), 3, 0,0,0,0, 24,0, UnsizedFormat::D , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(DEPTH_COMPONENT32F), 4, 0,0,0,0, 32,0, UnsizedFormat::D , false, ComponentType::Float);
|
|
// DEPTH_STENCIL types are sampled as their depth component.
|
|
AddFormatInfo(FOO(DEPTH24_STENCIL8 ), 4, 0,0,0,0, 24,8, UnsizedFormat::DEPTH_STENCIL, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(DEPTH32F_STENCIL8 ), 5, 0,0,0,0, 32,8, UnsizedFormat::DEPTH_STENCIL, false, ComponentType::Float);
|
|
|
|
// GLES 3.0.4, p205-206, "Required Renderbuffer Formats"
|
|
AddFormatInfo(FOO(STENCIL_INDEX8), 1, 0,0,0,0, 0,8, UnsizedFormat::S, false, ComponentType::Int);
|
|
|
|
// GLES 3.0.4, p147, table 3.19
|
|
// GLES 3.0.4 p286+ $C.1 "ETC Compressed Texture Image Formats"
|
|
AddFormatInfo(FOO(COMPRESSED_RGB8_ETC2 ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ETC2 ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA8_ETC2_EAC ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ETC2_EAC ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_R11_EAC ), 0, 1,0,0,0, 0,0, UnsizedFormat::R , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RG11_EAC ), 0, 1,1,0,0, 0,0, UnsizedFormat::RG , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SIGNED_R11_EAC ), 0, 1,0,0,0, 0,0, UnsizedFormat::R , false, ComponentType::NormInt );
|
|
AddFormatInfo(FOO(COMPRESSED_SIGNED_RG11_EAC ), 0, 1,1,0,0, 0,0, UnsizedFormat::RG , false, ComponentType::NormInt );
|
|
AddFormatInfo(FOO(COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
|
|
// EXT_texture_compression_bptc
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_BPTC_UNORM ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB_ALPHA_BPTC_UNORM ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGB_BPTC_SIGNED_FLOAT ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
|
|
AddFormatInfo(FOO(COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::Float );
|
|
|
|
// EXT_texture_compression_rgtc
|
|
AddFormatInfo(FOO(COMPRESSED_RED_RGTC1 ), 0, 1,0,0,0, 0,0, UnsizedFormat::R , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SIGNED_RED_RGTC1), 0, 1,0,0,0, 0,0, UnsizedFormat::R , false, ComponentType::NormInt );
|
|
AddFormatInfo(FOO(COMPRESSED_RG_RGTC2 ), 0, 1,1,0,0, 0,0, UnsizedFormat::RG, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SIGNED_RG_RGTC2 ), 0, 1,1,0,0, 0,0, UnsizedFormat::RG, false, ComponentType::NormInt );
|
|
|
|
// EXT_texture_compression_s3tc
|
|
AddFormatInfo(FOO(COMPRESSED_RGB_S3TC_DXT1_EXT ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_S3TC_DXT1_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_S3TC_DXT3_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_S3TC_DXT5_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
|
|
// EXT_texture_compression_s3tc_srgb
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB_S3TC_DXT1_EXT ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , true, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true, ComponentType::NormUInt);
|
|
|
|
// KHR_texture_compression_astc_ldr
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_4x4_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_5x4_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_5x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_6x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_6x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_8x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_8x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_8x8_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_10x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_10x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_10x8_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_10x10_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_12x10_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_ASTC_12x12_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR ), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, true , ComponentType::NormUInt);
|
|
|
|
// IMG_texture_compression_pvrtc
|
|
AddFormatInfo(FOO(COMPRESSED_RGB_PVRTC_4BPPV1 ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_PVRTC_4BPPV1), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGB_PVRTC_2BPPV1 ), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(COMPRESSED_RGBA_PVRTC_2BPPV1), 0, 1,1,1,1, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
|
|
// OES_compressed_ETC1_RGB8_texture
|
|
AddFormatInfo(FOO(ETC1_RGB8_OES), 0, 1,1,1,0, 0,0, UnsizedFormat::RGB, false, ComponentType::NormUInt);
|
|
|
|
// EXT_texture_norm16
|
|
AddFormatInfo(FOO(R16 ), 2, 16, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(RG16 ), 4, 16,16, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(RGB16 ), 6, 16,16,16, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(RGBA16), 8, 16,16,16,16, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormUInt);
|
|
|
|
AddFormatInfo(FOO(R16_SNORM ), 2, 16, 0, 0, 0, 0,0, UnsizedFormat::R , false, ComponentType::NormInt);
|
|
AddFormatInfo(FOO(RG16_SNORM ), 4, 16,16, 0, 0, 0,0, UnsizedFormat::RG , false, ComponentType::NormInt);
|
|
AddFormatInfo(FOO(RGB16_SNORM ), 6, 16,16,16, 0, 0,0, UnsizedFormat::RGB , false, ComponentType::NormInt);
|
|
AddFormatInfo(FOO(RGBA16_SNORM), 8, 16,16,16,16, 0,0, UnsizedFormat::RGBA, false, ComponentType::NormInt);
|
|
|
|
#undef FOO
|
|
|
|
// 'Virtual' effective formats have no sizedFormat.
|
|
#define FOO(x) EffectiveFormat::x, #x, 0
|
|
|
|
// GLES 3.0.4, p128, table 3.12.
|
|
AddFormatInfo(FOO(Luminance8Alpha8), 2, 8,0,0,8, 0,0, UnsizedFormat::LA, false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(Luminance8 ), 1, 8,0,0,0, 0,0, UnsizedFormat::L , false, ComponentType::NormUInt);
|
|
AddFormatInfo(FOO(Alpha8 ), 1, 0,0,0,8, 0,0, UnsizedFormat::A , false, ComponentType::NormUInt);
|
|
|
|
// OES_texture_float
|
|
AddFormatInfo(FOO(Luminance32FAlpha32F), 8, 32,0,0,32, 0,0, UnsizedFormat::LA, false, ComponentType::Float);
|
|
AddFormatInfo(FOO(Luminance32F ), 4, 32,0,0, 0, 0,0, UnsizedFormat::L , false, ComponentType::Float);
|
|
AddFormatInfo(FOO(Alpha32F ), 4, 0,0,0,32, 0,0, UnsizedFormat::A , false, ComponentType::Float);
|
|
|
|
// OES_texture_half_float
|
|
AddFormatInfo(FOO(Luminance16FAlpha16F), 4, 16,0,0,16, 0,0, UnsizedFormat::LA, false, ComponentType::Float);
|
|
AddFormatInfo(FOO(Luminance16F ), 2, 16,0,0, 0, 0,0, UnsizedFormat::L , false, ComponentType::Float);
|
|
AddFormatInfo(FOO(Alpha16F ), 2, 0,0,0,16, 0,0, UnsizedFormat::A , false, ComponentType::Float);
|
|
|
|
#undef FOO
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
const auto fnSetCopyDecay = [](EffectiveFormat src, EffectiveFormat asR,
|
|
EffectiveFormat asRG, EffectiveFormat asRGB,
|
|
EffectiveFormat asRGBA, EffectiveFormat asL,
|
|
EffectiveFormat asA, EffectiveFormat asLA)
|
|
{
|
|
auto& map = GetFormatInfo_NoLock(src)->copyDecayFormats;
|
|
|
|
const auto fnSet = [&map](UnsizedFormat uf, EffectiveFormat ef) {
|
|
if (ef == EffectiveFormat::MAX)
|
|
return;
|
|
|
|
const auto* format = GetFormatInfo_NoLock(ef);
|
|
MOZ_ASSERT(format->unsizedFormat == uf);
|
|
AlwaysInsert(map, uf, format);
|
|
};
|
|
|
|
fnSet(UnsizedFormat::R , asR);
|
|
fnSet(UnsizedFormat::RG , asRG);
|
|
fnSet(UnsizedFormat::RGB , asRGB);
|
|
fnSet(UnsizedFormat::RGBA, asRGBA);
|
|
fnSet(UnsizedFormat::L , asL);
|
|
fnSet(UnsizedFormat::A , asA);
|
|
fnSet(UnsizedFormat::LA , asLA);
|
|
};
|
|
|
|
#define SET_COPY_DECAY(src,asR,asRG,asRGB,asRGBA,asL,asA,asLA) \
|
|
fnSetCopyDecay(EffectiveFormat::src, EffectiveFormat::asR, EffectiveFormat::asRG, \
|
|
EffectiveFormat::asRGB, EffectiveFormat::asRGBA, EffectiveFormat::asL, \
|
|
EffectiveFormat::asA, EffectiveFormat::asLA);
|
|
|
|
//////
|
|
|
|
#define SET_BY_SUFFIX(X) \
|
|
SET_COPY_DECAY( R##X, R##X, MAX, MAX, MAX, Luminance##X, MAX, MAX) \
|
|
SET_COPY_DECAY( RG##X, R##X, RG##X, MAX, MAX, Luminance##X, MAX, MAX) \
|
|
SET_COPY_DECAY( RGB##X, R##X, RG##X, RGB##X, MAX, Luminance##X, MAX, MAX) \
|
|
SET_COPY_DECAY(RGBA##X, R##X, RG##X, RGB##X, RGBA##X, Luminance##X, Alpha##X, Luminance##X##Alpha##X)
|
|
|
|
SET_BY_SUFFIX(8) // WebGL decided that RGB8 should be guaranteed renderable.
|
|
SET_BY_SUFFIX(16F) // RGB16F is renderable in EXT_color_buffer_half_float, though not
|
|
// EXT_color_buffer_float.
|
|
SET_BY_SUFFIX(32F) // Technically RGB32F is never renderable, but no harm here.
|
|
|
|
#undef SET_BY_SUFFIX
|
|
|
|
|
|
//////
|
|
|
|
#define SET_BY_SUFFIX(X) \
|
|
SET_COPY_DECAY( R##X, R##X, MAX, MAX, MAX, MAX, MAX, MAX) \
|
|
SET_COPY_DECAY( RG##X, R##X, RG##X, MAX, MAX, MAX, MAX, MAX) \
|
|
SET_COPY_DECAY(RGBA##X, R##X, RG##X, RGB##X, RGBA##X, MAX, MAX, MAX)
|
|
|
|
SET_BY_SUFFIX(8I)
|
|
SET_BY_SUFFIX(8UI)
|
|
|
|
SET_BY_SUFFIX(16)
|
|
SET_BY_SUFFIX(16I)
|
|
SET_BY_SUFFIX(16UI)
|
|
|
|
SET_BY_SUFFIX(32I)
|
|
SET_BY_SUFFIX(32UI)
|
|
|
|
#undef SET_BY_SUFFIX
|
|
|
|
//////
|
|
|
|
SET_COPY_DECAY( RGB565, R8, RG8, RGB565, MAX, Luminance8, MAX, MAX)
|
|
SET_COPY_DECAY( RGBA4, R8, RG8, RGB565, RGBA4, Luminance8, Alpha8, Luminance8Alpha8)
|
|
SET_COPY_DECAY( RGB5_A1, R8, RG8, RGB565, RGB5_A1, Luminance8, Alpha8, Luminance8Alpha8)
|
|
SET_COPY_DECAY( RGB10_A2, R8, RG8, RGB8, RGB10_A2, Luminance8, Alpha8, MAX)
|
|
|
|
SET_COPY_DECAY(RGB10_A2UI, R8UI, RG8UI, RGB8UI, RGB10_A2UI, MAX, MAX, MAX)
|
|
|
|
SET_COPY_DECAY(SRGB8_ALPHA8, MAX, MAX, MAX, SRGB8_ALPHA8, MAX, Alpha8, MAX)
|
|
|
|
SET_COPY_DECAY(R11F_G11F_B10F, R16F, RG16F, R11F_G11F_B10F, MAX, Luminance16F, MAX, MAX)
|
|
|
|
#undef SET_COPY_DECAY
|
|
|
|
// clang-format on
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool gAreFormatTablesInitialized = false;
|
|
|
|
static void EnsureInitFormatTables(
|
|
const StaticMutexAutoLock&) // Prove that you locked it!
|
|
{
|
|
if (MOZ_LIKELY(gAreFormatTablesInitialized)) return;
|
|
|
|
gAreFormatTablesInitialized = true;
|
|
|
|
InitCompressedFormatInfo();
|
|
InitFormatInfo();
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Public funcs
|
|
|
|
StaticMutex gFormatMapMutex;
|
|
|
|
const FormatInfo* GetFormat(EffectiveFormat format) {
|
|
StaticMutexAutoLock lock(gFormatMapMutex);
|
|
EnsureInitFormatTables(lock);
|
|
|
|
return GetFormatInfo_NoLock(format);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
const FormatInfo* FormatInfo::GetCopyDecayFormat(UnsizedFormat uf) const {
|
|
return FindOrNull(this->copyDecayFormats, uf);
|
|
}
|
|
|
|
Maybe<PackingInfoInfo> PackingInfoInfo::For(const PackingInfo& pi) {
|
|
PackingInfoInfo ret{};
|
|
|
|
switch (pi.type) {
|
|
case LOCAL_GL_UNSIGNED_SHORT_4_4_4_4:
|
|
case LOCAL_GL_UNSIGNED_SHORT_5_5_5_1:
|
|
case LOCAL_GL_UNSIGNED_SHORT_5_6_5:
|
|
ret = {2, 1, true};
|
|
break;
|
|
|
|
case LOCAL_GL_UNSIGNED_INT_10F_11F_11F_REV:
|
|
case LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV:
|
|
case LOCAL_GL_UNSIGNED_INT_24_8:
|
|
case LOCAL_GL_UNSIGNED_INT_5_9_9_9_REV:
|
|
ret = {4, 1, true};
|
|
break;
|
|
|
|
case LOCAL_GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
|
|
ret = {8, 1, true};
|
|
break;
|
|
|
|
// Alright, that's all the fixed-size unpackTypes.
|
|
|
|
case LOCAL_GL_BYTE:
|
|
case LOCAL_GL_UNSIGNED_BYTE:
|
|
ret = {1, 0, false};
|
|
break;
|
|
|
|
case LOCAL_GL_SHORT:
|
|
case LOCAL_GL_UNSIGNED_SHORT:
|
|
case LOCAL_GL_HALF_FLOAT:
|
|
case LOCAL_GL_HALF_FLOAT_OES:
|
|
ret = {2, 0, false};
|
|
break;
|
|
|
|
case LOCAL_GL_INT:
|
|
case LOCAL_GL_UNSIGNED_INT:
|
|
case LOCAL_GL_FLOAT:
|
|
ret = {4, 0, false};
|
|
break;
|
|
|
|
default:
|
|
return {};
|
|
}
|
|
|
|
if (!ret.isPacked) {
|
|
switch (pi.format) {
|
|
case LOCAL_GL_RED:
|
|
case LOCAL_GL_RED_INTEGER:
|
|
case LOCAL_GL_LUMINANCE:
|
|
case LOCAL_GL_ALPHA:
|
|
case LOCAL_GL_DEPTH_COMPONENT:
|
|
ret.elementsPerPixel = 1;
|
|
break;
|
|
|
|
case LOCAL_GL_RG:
|
|
case LOCAL_GL_RG_INTEGER:
|
|
case LOCAL_GL_LUMINANCE_ALPHA:
|
|
ret.elementsPerPixel = 2;
|
|
break;
|
|
|
|
case LOCAL_GL_RGB:
|
|
case LOCAL_GL_RGB_INTEGER:
|
|
case LOCAL_GL_SRGB:
|
|
ret.elementsPerPixel = 3;
|
|
break;
|
|
|
|
case LOCAL_GL_BGRA:
|
|
case LOCAL_GL_RGBA:
|
|
case LOCAL_GL_RGBA_INTEGER:
|
|
case LOCAL_GL_SRGB_ALPHA:
|
|
ret.elementsPerPixel = 4;
|
|
break;
|
|
|
|
default:
|
|
return {};
|
|
}
|
|
}
|
|
|
|
return Some(ret);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// FormatUsageAuthority
|
|
|
|
bool FormatUsageInfo::IsUnpackValid(
|
|
const PackingInfo& key, const DriverUnpackInfo** const out_value) const {
|
|
auto itr = validUnpacks.find(key);
|
|
if (itr == validUnpacks.end()) return false;
|
|
|
|
*out_value = &(itr->second);
|
|
return true;
|
|
}
|
|
|
|
void FormatUsageInfo::ResolveMaxSamples(gl::GLContext& gl) const {
|
|
MOZ_ASSERT(gl.IsCurrent());
|
|
MOZ_ASSERT(!this->maxSamplesKnown);
|
|
MOZ_ASSERT(!this->maxSamples);
|
|
this->maxSamplesKnown = true;
|
|
|
|
const GLenum internalFormat = this->format->sizedFormat;
|
|
if (!internalFormat) return;
|
|
if (!gl.IsSupported(gl::GLFeature::internalformat_query)) return;
|
|
|
|
// GL_SAMPLES returns a list in descending order, so ask for just one elem to
|
|
// get the max.
|
|
gl.fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalFormat,
|
|
LOCAL_GL_SAMPLES, 1,
|
|
reinterpret_cast<GLint*>(&this->maxSamples));
|
|
}
|
|
|
|
////////////////////////////////////////
|
|
|
|
static void AddSimpleUnsized(FormatUsageAuthority* fua, GLenum unpackFormat,
|
|
GLenum unpackType, EffectiveFormat effFormat) {
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->isFilterable = true;
|
|
|
|
const PackingInfo pi = {unpackFormat, unpackType};
|
|
const DriverUnpackInfo dui = {unpackFormat, unpackFormat, unpackType};
|
|
fua->AddTexUnpack(usage, pi, dui);
|
|
|
|
fua->AllowUnsizedTexFormat(pi, usage);
|
|
};
|
|
|
|
/*static*/ const GLint FormatUsageInfo::kLuminanceSwizzleRGBA[4] = {
|
|
LOCAL_GL_RED, LOCAL_GL_RED, LOCAL_GL_RED, LOCAL_GL_ONE};
|
|
/*static*/ const GLint FormatUsageInfo::kAlphaSwizzleRGBA[4] = {
|
|
LOCAL_GL_ZERO, LOCAL_GL_ZERO, LOCAL_GL_ZERO, LOCAL_GL_RED};
|
|
/*static*/ const GLint FormatUsageInfo::kLumAlphaSwizzleRGBA[4] = {
|
|
LOCAL_GL_RED, LOCAL_GL_RED, LOCAL_GL_RED, LOCAL_GL_GREEN};
|
|
|
|
static bool AddLegacyFormats_LA8(FormatUsageAuthority* fua, gl::GLContext* gl) {
|
|
if (gl->IsCoreProfile()) {
|
|
if (!gl->IsSupported(gl::GLFeature::texture_swizzle)) return false;
|
|
|
|
PackingInfo pi;
|
|
DriverUnpackInfo dui;
|
|
|
|
const auto fnAdd = [fua, &pi, &dui](EffectiveFormat effFormat,
|
|
const GLint* swizzle) {
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->isFilterable = true;
|
|
usage->textureSwizzleRGBA = swizzle;
|
|
|
|
fua->AddTexUnpack(usage, pi, dui);
|
|
|
|
fua->AllowUnsizedTexFormat(pi, usage);
|
|
};
|
|
|
|
pi = {LOCAL_GL_LUMINANCE, LOCAL_GL_UNSIGNED_BYTE};
|
|
dui = {LOCAL_GL_R8, LOCAL_GL_RED, LOCAL_GL_UNSIGNED_BYTE};
|
|
fnAdd(EffectiveFormat::Luminance8, FormatUsageInfo::kLuminanceSwizzleRGBA);
|
|
|
|
pi = {LOCAL_GL_ALPHA, LOCAL_GL_UNSIGNED_BYTE};
|
|
dui = {LOCAL_GL_R8, LOCAL_GL_RED, LOCAL_GL_UNSIGNED_BYTE};
|
|
fnAdd(EffectiveFormat::Alpha8, FormatUsageInfo::kAlphaSwizzleRGBA);
|
|
|
|
pi = {LOCAL_GL_LUMINANCE_ALPHA, LOCAL_GL_UNSIGNED_BYTE};
|
|
dui = {LOCAL_GL_RG8, LOCAL_GL_RG, LOCAL_GL_UNSIGNED_BYTE};
|
|
fnAdd(EffectiveFormat::Luminance8Alpha8,
|
|
FormatUsageInfo::kLumAlphaSwizzleRGBA);
|
|
} else {
|
|
// clang-format off
|
|
AddSimpleUnsized(fua, LOCAL_GL_LUMINANCE , LOCAL_GL_UNSIGNED_BYTE, EffectiveFormat::Luminance8 );
|
|
AddSimpleUnsized(fua, LOCAL_GL_ALPHA , LOCAL_GL_UNSIGNED_BYTE, EffectiveFormat::Alpha8 );
|
|
AddSimpleUnsized(fua, LOCAL_GL_LUMINANCE_ALPHA, LOCAL_GL_UNSIGNED_BYTE, EffectiveFormat::Luminance8Alpha8);
|
|
// clang-format on
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool AddUnsizedFormats(FormatUsageAuthority* fua, gl::GLContext* gl) {
|
|
// clang-format off
|
|
|
|
// GLES 2.0.25, p63, Table 3.4
|
|
AddSimpleUnsized(fua, LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE , EffectiveFormat::RGBA8 );
|
|
AddSimpleUnsized(fua, LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_SHORT_4_4_4_4, EffectiveFormat::RGBA4 );
|
|
AddSimpleUnsized(fua, LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_SHORT_5_5_5_1, EffectiveFormat::RGB5_A1);
|
|
AddSimpleUnsized(fua, LOCAL_GL_RGB , LOCAL_GL_UNSIGNED_BYTE , EffectiveFormat::RGB8 );
|
|
AddSimpleUnsized(fua, LOCAL_GL_RGB , LOCAL_GL_UNSIGNED_SHORT_5_6_5 , EffectiveFormat::RGB565 );
|
|
|
|
// L, A, LA
|
|
return AddLegacyFormats_LA8(fua, gl);
|
|
|
|
// clang-format on
|
|
}
|
|
|
|
void FormatUsageInfo::SetRenderable(const FormatRenderableState& state) {
|
|
if (!renderableState.IsExplicit()) {
|
|
renderableState = state;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
const auto format = this->format;
|
|
if (format->IsColorFormat()) {
|
|
const auto& map = format->copyDecayFormats;
|
|
const auto itr = map.find(format->unsizedFormat);
|
|
MOZ_ASSERT(itr != map.end(),
|
|
"Renderable formats must be in copyDecayFormats.");
|
|
MOZ_ASSERT(itr->second == format);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
UniquePtr<FormatUsageAuthority> FormatUsageAuthority::CreateForWebGL1(
|
|
gl::GLContext* gl) {
|
|
UniquePtr<FormatUsageAuthority> ret(new FormatUsageAuthority);
|
|
const auto ptr = ret.get();
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Usages
|
|
|
|
const auto fnSet = [ptr](EffectiveFormat effFormat, bool isRenderable,
|
|
bool isFilterable) {
|
|
MOZ_ASSERT(!ptr->GetUsage(effFormat));
|
|
|
|
auto usage = ptr->EditUsage(effFormat);
|
|
usage->isFilterable = isFilterable;
|
|
|
|
if (isRenderable) {
|
|
usage->SetRenderable();
|
|
}
|
|
};
|
|
|
|
// GLES 2.0.25, p117, Table 4.5
|
|
// RGBA8 is made renderable in WebGL 1.0, "Framebuffer Object Attachments"
|
|
// render filter
|
|
// able able
|
|
fnSet(EffectiveFormat::RGBA8, true, true);
|
|
fnSet(EffectiveFormat::RGBA4, true, true);
|
|
fnSet(EffectiveFormat::RGB5_A1, true, true);
|
|
fnSet(EffectiveFormat::RGB565, true, true);
|
|
|
|
// RGB8 is not guaranteed to be renderable, but we should allow it for
|
|
// web-compat. Min-capability mode should mark this as non-renderable.
|
|
fnSet(EffectiveFormat::RGB8, true, true);
|
|
|
|
fnSet(EffectiveFormat::Luminance8Alpha8, false, true);
|
|
fnSet(EffectiveFormat::Luminance8, false, true);
|
|
fnSet(EffectiveFormat::Alpha8, false, true);
|
|
|
|
fnSet(EffectiveFormat::DEPTH_COMPONENT16, true, true);
|
|
fnSet(EffectiveFormat::DEPTH_COMPONENT24, true,
|
|
true); // Requires WEBGL_depth_texture.
|
|
fnSet(EffectiveFormat::STENCIL_INDEX8, true, false);
|
|
|
|
// Added in WebGL 1.0 spec:
|
|
fnSet(EffectiveFormat::DEPTH24_STENCIL8, true, true);
|
|
|
|
////////////////////////////////////
|
|
// RB formats
|
|
|
|
#define FOO(x) \
|
|
ptr->AllowRBFormat(LOCAL_GL_##x, ptr->GetUsage(EffectiveFormat::x))
|
|
|
|
FOO(RGBA4);
|
|
FOO(RGB5_A1);
|
|
FOO(RGB565);
|
|
FOO(DEPTH_COMPONENT16);
|
|
FOO(STENCIL_INDEX8);
|
|
// FOO(DEPTH24_STENCIL8 ); // WebGL 1 uses DEPTH_STENCIL instead of
|
|
// DEPTH24_STENCIL8.
|
|
|
|
#undef FOO
|
|
|
|
ptr->AllowRBFormat(LOCAL_GL_DEPTH_STENCIL,
|
|
ptr->GetUsage(EffectiveFormat::DEPTH24_STENCIL8));
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
if (!AddUnsizedFormats(ptr, gl)) return nullptr;
|
|
|
|
return ret;
|
|
}
|
|
|
|
UniquePtr<FormatUsageAuthority> FormatUsageAuthority::CreateForWebGL2(
|
|
gl::GLContext* gl) {
|
|
UniquePtr<FormatUsageAuthority> ret(new FormatUsageAuthority);
|
|
const auto ptr = ret.get();
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// GLES 3.0.4 p111-113
|
|
|
|
const auto fnAddSizedUnpack = [ptr](EffectiveFormat effFormat,
|
|
GLenum internalFormat,
|
|
GLenum unpackFormat, GLenum unpackType) {
|
|
auto usage = ptr->EditUsage(effFormat);
|
|
|
|
const PackingInfo pi = {unpackFormat, unpackType};
|
|
const DriverUnpackInfo dui = {internalFormat, unpackFormat, unpackType};
|
|
ptr->AddTexUnpack(usage, pi, dui);
|
|
};
|
|
|
|
// clang-format off
|
|
#define FOO(x) EffectiveFormat::x, LOCAL_GL_ ## x
|
|
|
|
// RGBA
|
|
fnAddSizedUnpack(FOO(RGBA8 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGBA4 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_SHORT_4_4_4_4 );
|
|
fnAddSizedUnpack(FOO(RGBA4 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB5_A1 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_SHORT_5_5_5_1 );
|
|
fnAddSizedUnpack(FOO(RGB5_A1 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB5_A1 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV);
|
|
fnAddSizedUnpack(FOO(SRGB8_ALPHA8), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGBA8_SNORM ), LOCAL_GL_RGBA, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB10_A2 ), LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV);
|
|
fnAddSizedUnpack(FOO(RGBA16F ), LOCAL_GL_RGBA, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGBA16F ), LOCAL_GL_RGBA, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGBA32F ), LOCAL_GL_RGBA, LOCAL_GL_FLOAT );
|
|
|
|
// RGBA_INTEGER
|
|
fnAddSizedUnpack(FOO(RGBA8UI ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGBA8I ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(RGBA16UI ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_UNSIGNED_SHORT );
|
|
fnAddSizedUnpack(FOO(RGBA16I ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_SHORT );
|
|
fnAddSizedUnpack(FOO(RGBA32UI ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(RGBA32I ), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_INT );
|
|
fnAddSizedUnpack(FOO(RGB10_A2UI), LOCAL_GL_RGBA_INTEGER, LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV);
|
|
|
|
// RGB
|
|
fnAddSizedUnpack(FOO(RGB8 ), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(SRGB8 ), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB565 ), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_SHORT_5_6_5 );
|
|
fnAddSizedUnpack(FOO(RGB565 ), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB8_SNORM ), LOCAL_GL_RGB, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(R11F_G11F_B10F), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_INT_10F_11F_11F_REV);
|
|
fnAddSizedUnpack(FOO(R11F_G11F_B10F), LOCAL_GL_RGB, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(R11F_G11F_B10F), LOCAL_GL_RGB, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGB16F ), LOCAL_GL_RGB, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGB16F ), LOCAL_GL_RGB, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGB9_E5 ), LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_INT_5_9_9_9_REV );
|
|
fnAddSizedUnpack(FOO(RGB9_E5 ), LOCAL_GL_RGB, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGB9_E5 ), LOCAL_GL_RGB, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(RGB32F ), LOCAL_GL_RGB, LOCAL_GL_FLOAT );
|
|
|
|
// RGB_INTEGER
|
|
fnAddSizedUnpack(FOO(RGB8UI ), LOCAL_GL_RGB_INTEGER, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB8I ), LOCAL_GL_RGB_INTEGER, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(RGB16UI), LOCAL_GL_RGB_INTEGER, LOCAL_GL_UNSIGNED_SHORT);
|
|
fnAddSizedUnpack(FOO(RGB16I ), LOCAL_GL_RGB_INTEGER, LOCAL_GL_SHORT );
|
|
fnAddSizedUnpack(FOO(RGB32UI), LOCAL_GL_RGB_INTEGER, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(RGB32I ), LOCAL_GL_RGB_INTEGER, LOCAL_GL_INT );
|
|
|
|
// RG
|
|
fnAddSizedUnpack(FOO(RG8 ), LOCAL_GL_RG, LOCAL_GL_UNSIGNED_BYTE);
|
|
fnAddSizedUnpack(FOO(RG8_SNORM), LOCAL_GL_RG, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(RG16F ), LOCAL_GL_RG, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(RG16F ), LOCAL_GL_RG, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(RG32F ), LOCAL_GL_RG, LOCAL_GL_FLOAT );
|
|
|
|
// RG_INTEGER
|
|
fnAddSizedUnpack(FOO(RG8UI ), LOCAL_GL_RG_INTEGER, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(RG8I ), LOCAL_GL_RG_INTEGER, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(RG16UI), LOCAL_GL_RG_INTEGER, LOCAL_GL_UNSIGNED_SHORT);
|
|
fnAddSizedUnpack(FOO(RG16I ), LOCAL_GL_RG_INTEGER, LOCAL_GL_SHORT );
|
|
fnAddSizedUnpack(FOO(RG32UI), LOCAL_GL_RG_INTEGER, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(RG32I ), LOCAL_GL_RG_INTEGER, LOCAL_GL_INT );
|
|
|
|
// RED
|
|
fnAddSizedUnpack(FOO(R8 ), LOCAL_GL_RED, LOCAL_GL_UNSIGNED_BYTE);
|
|
fnAddSizedUnpack(FOO(R8_SNORM), LOCAL_GL_RED, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(R16F ), LOCAL_GL_RED, LOCAL_GL_HALF_FLOAT );
|
|
fnAddSizedUnpack(FOO(R16F ), LOCAL_GL_RED, LOCAL_GL_FLOAT );
|
|
fnAddSizedUnpack(FOO(R32F ), LOCAL_GL_RED, LOCAL_GL_FLOAT );
|
|
|
|
// RED_INTEGER
|
|
fnAddSizedUnpack(FOO(R8UI ), LOCAL_GL_RED_INTEGER, LOCAL_GL_UNSIGNED_BYTE );
|
|
fnAddSizedUnpack(FOO(R8I ), LOCAL_GL_RED_INTEGER, LOCAL_GL_BYTE );
|
|
fnAddSizedUnpack(FOO(R16UI), LOCAL_GL_RED_INTEGER, LOCAL_GL_UNSIGNED_SHORT);
|
|
fnAddSizedUnpack(FOO(R16I ), LOCAL_GL_RED_INTEGER, LOCAL_GL_SHORT );
|
|
fnAddSizedUnpack(FOO(R32UI), LOCAL_GL_RED_INTEGER, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(R32I ), LOCAL_GL_RED_INTEGER, LOCAL_GL_INT );
|
|
|
|
// DEPTH_COMPONENT
|
|
fnAddSizedUnpack(FOO(DEPTH_COMPONENT16 ), LOCAL_GL_DEPTH_COMPONENT, LOCAL_GL_UNSIGNED_SHORT);
|
|
fnAddSizedUnpack(FOO(DEPTH_COMPONENT16 ), LOCAL_GL_DEPTH_COMPONENT, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(DEPTH_COMPONENT24 ), LOCAL_GL_DEPTH_COMPONENT, LOCAL_GL_UNSIGNED_INT );
|
|
fnAddSizedUnpack(FOO(DEPTH_COMPONENT32F), LOCAL_GL_DEPTH_COMPONENT, LOCAL_GL_FLOAT );
|
|
|
|
// DEPTH_STENCIL
|
|
fnAddSizedUnpack(FOO(DEPTH24_STENCIL8 ), LOCAL_GL_DEPTH_STENCIL, LOCAL_GL_UNSIGNED_INT_24_8 );
|
|
fnAddSizedUnpack(FOO(DEPTH32F_STENCIL8), LOCAL_GL_DEPTH_STENCIL, LOCAL_GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
|
|
|
|
#undef FOO
|
|
// clang-format on
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
// For renderable, see GLES 3.0.4, p212 "Framebuffer Completeness"
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// For filterable, see GLES 3.0.4, p161 "...a texture is complete unless..."
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const auto fnAllowES3TexFormat = [ptr](GLenum sizedFormat,
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EffectiveFormat effFormat,
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bool isRenderable, bool isFilterable) {
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auto usage = ptr->EditUsage(effFormat);
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usage->isFilterable = isFilterable;
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if (isRenderable) {
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usage->SetRenderable();
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}
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ptr->AllowSizedTexFormat(sizedFormat, usage);
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if (isRenderable) {
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ptr->AllowRBFormat(sizedFormat, usage);
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}
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};
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#define FOO(x) LOCAL_GL_##x, EffectiveFormat::x
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// GLES 3.0.4, p128-129 "Required Texture Formats"
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// GLES 3.0.4, p130-132, table 3.13
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// render filter
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// able able
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fnAllowES3TexFormat(FOO(R8), true, true);
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fnAllowES3TexFormat(FOO(R8_SNORM), false, true);
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fnAllowES3TexFormat(FOO(RG8), true, true);
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fnAllowES3TexFormat(FOO(RG8_SNORM), false, true);
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fnAllowES3TexFormat(FOO(RGB8), true, true);
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fnAllowES3TexFormat(FOO(RGB8_SNORM), false, true);
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fnAllowES3TexFormat(FOO(RGB565), true, true);
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fnAllowES3TexFormat(FOO(RGBA4), true, true);
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fnAllowES3TexFormat(FOO(RGB5_A1), true, true);
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fnAllowES3TexFormat(FOO(RGBA8), true, true);
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fnAllowES3TexFormat(FOO(RGBA8_SNORM), false, true);
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fnAllowES3TexFormat(FOO(RGB10_A2), true, true);
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fnAllowES3TexFormat(FOO(RGB10_A2UI), true, false);
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fnAllowES3TexFormat(FOO(SRGB8), false, true);
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fnAllowES3TexFormat(FOO(SRGB8_ALPHA8), true, true);
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fnAllowES3TexFormat(FOO(R16F), false, true);
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fnAllowES3TexFormat(FOO(RG16F), false, true);
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fnAllowES3TexFormat(FOO(RGB16F), false, true);
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fnAllowES3TexFormat(FOO(RGBA16F), false, true);
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fnAllowES3TexFormat(FOO(R32F), false, false);
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fnAllowES3TexFormat(FOO(RG32F), false, false);
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fnAllowES3TexFormat(FOO(RGB32F), false, false);
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fnAllowES3TexFormat(FOO(RGBA32F), false, false);
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|
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fnAllowES3TexFormat(FOO(R11F_G11F_B10F), false, true);
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fnAllowES3TexFormat(FOO(RGB9_E5), false, true);
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|
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fnAllowES3TexFormat(FOO(R8I), true, false);
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fnAllowES3TexFormat(FOO(R8UI), true, false);
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fnAllowES3TexFormat(FOO(R16I), true, false);
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fnAllowES3TexFormat(FOO(R16UI), true, false);
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fnAllowES3TexFormat(FOO(R32I), true, false);
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fnAllowES3TexFormat(FOO(R32UI), true, false);
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|
|
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fnAllowES3TexFormat(FOO(RG8I), true, false);
|
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fnAllowES3TexFormat(FOO(RG8UI), true, false);
|
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fnAllowES3TexFormat(FOO(RG16I), true, false);
|
|
fnAllowES3TexFormat(FOO(RG16UI), true, false);
|
|
fnAllowES3TexFormat(FOO(RG32I), true, false);
|
|
fnAllowES3TexFormat(FOO(RG32UI), true, false);
|
|
|
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fnAllowES3TexFormat(FOO(RGB8I), false, false);
|
|
fnAllowES3TexFormat(FOO(RGB8UI), false, false);
|
|
fnAllowES3TexFormat(FOO(RGB16I), false, false);
|
|
fnAllowES3TexFormat(FOO(RGB16UI), false, false);
|
|
fnAllowES3TexFormat(FOO(RGB32I), false, false);
|
|
fnAllowES3TexFormat(FOO(RGB32UI), false, false);
|
|
|
|
fnAllowES3TexFormat(FOO(RGBA8I), true, false);
|
|
fnAllowES3TexFormat(FOO(RGBA8UI), true, false);
|
|
fnAllowES3TexFormat(FOO(RGBA16I), true, false);
|
|
fnAllowES3TexFormat(FOO(RGBA16UI), true, false);
|
|
fnAllowES3TexFormat(FOO(RGBA32I), true, false);
|
|
fnAllowES3TexFormat(FOO(RGBA32UI), true, false);
|
|
|
|
// Sized depth or depth-stencil formats are not filterable
|
|
// per GLES 3.0.6 p161.
|
|
// Specifically, they're texture-incomplete if depth-compare:none and
|
|
// not NEAREST.
|
|
fnAllowES3TexFormat(FOO(DEPTH_COMPONENT16), true, false);
|
|
fnAllowES3TexFormat(FOO(DEPTH_COMPONENT24), true, false);
|
|
fnAllowES3TexFormat(FOO(DEPTH_COMPONENT32F), true, false);
|
|
fnAllowES3TexFormat(FOO(DEPTH24_STENCIL8), true, false);
|
|
fnAllowES3TexFormat(FOO(DEPTH32F_STENCIL8), true, false);
|
|
|
|
#undef FOO
|
|
|
|
// GLES 3.0.4, p206, "Required Renderbuffer Formats":
|
|
// "Implementations are also required to support STENCIL_INDEX8. Requesting
|
|
// this internal format for a renderbuffer will allocate at least 8 stencil
|
|
// bit planes."
|
|
|
|
auto usage = ptr->EditUsage(EffectiveFormat::STENCIL_INDEX8);
|
|
usage->SetRenderable();
|
|
ptr->AllowRBFormat(LOCAL_GL_STENCIL_INDEX8, usage);
|
|
|
|
////////////////
|
|
// Legacy formats
|
|
|
|
if (!AddUnsizedFormats(ptr, gl)) return nullptr;
|
|
|
|
ptr->AllowRBFormat(LOCAL_GL_DEPTH_STENCIL,
|
|
ptr->GetUsage(EffectiveFormat::DEPTH24_STENCIL8));
|
|
|
|
////////////////////////////////////
|
|
|
|
return ret;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void FormatUsageAuthority::AddTexUnpack(FormatUsageInfo* usage,
|
|
const PackingInfo& pi,
|
|
const DriverUnpackInfo& dui) {
|
|
// Don't AlwaysInsert here, since we'll see duplicates from sized and unsized
|
|
// formats.
|
|
auto res = usage->validUnpacks.insert({pi, dui});
|
|
auto itr = res.first;
|
|
|
|
if (!usage->idealUnpack) {
|
|
// First one!
|
|
usage->idealUnpack = &(itr->second);
|
|
}
|
|
|
|
mValidTexUnpackFormats.insert(pi.format);
|
|
mValidTexUnpackTypes.insert(pi.type);
|
|
}
|
|
|
|
static bool Contains(const std::set<GLenum>& set, GLenum key) {
|
|
return set.find(key) != set.end();
|
|
}
|
|
|
|
bool FormatUsageAuthority::IsInternalFormatEnumValid(
|
|
GLenum internalFormat) const {
|
|
return Contains(mValidTexInternalFormats, internalFormat);
|
|
}
|
|
|
|
bool FormatUsageAuthority::AreUnpackEnumsValid(GLenum unpackFormat,
|
|
GLenum unpackType) const {
|
|
return (Contains(mValidTexUnpackFormats, unpackFormat) &&
|
|
Contains(mValidTexUnpackTypes, unpackType));
|
|
}
|
|
|
|
////////////////////
|
|
|
|
void FormatUsageAuthority::AllowRBFormat(GLenum sizedFormat,
|
|
const FormatUsageInfo* usage,
|
|
const bool expectRenderable) {
|
|
MOZ_ASSERT(!usage->format->compression);
|
|
MOZ_ASSERT(usage->format->sizedFormat);
|
|
MOZ_ASSERT(usage->IsRenderable() || !expectRenderable);
|
|
|
|
const auto& found = mRBFormatMap.find(sizedFormat);
|
|
if (found != mRBFormatMap.end()) {
|
|
MOZ_ASSERT(found->second == usage);
|
|
return;
|
|
}
|
|
AlwaysInsert(mRBFormatMap, sizedFormat, usage);
|
|
}
|
|
|
|
void FormatUsageAuthority::AllowSizedTexFormat(GLenum sizedFormat,
|
|
const FormatUsageInfo* usage) {
|
|
if (usage->format->compression) {
|
|
MOZ_ASSERT(usage->isFilterable, "Compressed formats should be filterable.");
|
|
} else {
|
|
MOZ_ASSERT(!usage->validUnpacks.empty() && usage->idealUnpack,
|
|
"AddTexUnpack() first.");
|
|
}
|
|
|
|
AlwaysInsert(mSizedTexFormatMap, sizedFormat, usage);
|
|
|
|
mValidTexInternalFormats.insert(sizedFormat);
|
|
}
|
|
|
|
void FormatUsageAuthority::AllowUnsizedTexFormat(const PackingInfo& pi,
|
|
const FormatUsageInfo* usage) {
|
|
MOZ_ASSERT(!usage->format->compression);
|
|
MOZ_ASSERT(!usage->validUnpacks.empty() && usage->idealUnpack,
|
|
"AddTexUnpack() first.");
|
|
|
|
AlwaysInsert(mUnsizedTexFormatMap, pi, usage);
|
|
|
|
mValidTexInternalFormats.insert(pi.format);
|
|
mValidTexUnpackFormats.insert(pi.format);
|
|
mValidTexUnpackTypes.insert(pi.type);
|
|
}
|
|
|
|
const FormatUsageInfo* FormatUsageAuthority::GetRBUsage(
|
|
GLenum sizedFormat) const {
|
|
return FindOrNull(mRBFormatMap, sizedFormat);
|
|
}
|
|
|
|
const FormatUsageInfo* FormatUsageAuthority::GetSizedTexUsage(
|
|
GLenum sizedFormat) const {
|
|
return FindOrNull(mSizedTexFormatMap, sizedFormat);
|
|
}
|
|
|
|
const FormatUsageInfo* FormatUsageAuthority::GetUnsizedTexUsage(
|
|
const PackingInfo& pi) const {
|
|
return FindOrNull(mUnsizedTexFormatMap, pi);
|
|
}
|
|
|
|
FormatUsageInfo* FormatUsageAuthority::EditUsage(EffectiveFormat format) {
|
|
auto itr = mUsageMap.find(format);
|
|
|
|
if (itr == mUsageMap.end()) {
|
|
const FormatInfo* formatInfo = GetFormat(format);
|
|
MOZ_RELEASE_ASSERT(formatInfo, "GFX: no format info set.");
|
|
|
|
FormatUsageInfo usage(formatInfo);
|
|
|
|
auto res = mUsageMap.insert({format, usage});
|
|
DebugOnly<bool> didInsert = res.second;
|
|
MOZ_ASSERT(didInsert);
|
|
|
|
itr = res.first;
|
|
}
|
|
|
|
return &(itr->second);
|
|
}
|
|
|
|
const FormatUsageInfo* FormatUsageAuthority::GetUsage(
|
|
EffectiveFormat format) const {
|
|
auto itr = mUsageMap.find(format);
|
|
if (itr == mUsageMap.end()) return nullptr;
|
|
|
|
return &(itr->second);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
} // namespace mozilla::webgl
|