Hash :
a8138547
Author :
Date :
2024-10-09T23:33:24
Translator: Support GL_ARM_shader_framebuffer_fetch_depth_stencil Bug: angleproject:352364582 Change-Id: I46ce6d75a76bdf04a9e8feea1a480e8a0badba2a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5924140 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com> Reviewed-by: Charlie Lao <cclao@google.com>
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//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TranslatorSPIRV:
// A set of transformations that prepare the AST to be compatible with GL_KHR_vulkan_glsl followed
// by a pass that generates SPIR-V.
// See: https://www.khronos.org/registry/vulkan/specs/misc/GL_KHR_vulkan_glsl.txt
//
#ifndef COMPILER_TRANSLATOR_SPIRV_TRANSLATORSPIRV_H_
#define COMPILER_TRANSLATOR_SPIRV_TRANSLATORSPIRV_H_
#include "common/hash_containers.h"
#include "compiler/translator/Compiler.h"
namespace sh
{
class TOutputVulkanGLSL;
class SpecConst;
class DriverUniform;
// An index -> TVariable map, tracking the declarated color input attachments, as well as TVariables
// for depth and stencil input attachments.
struct InputAttachmentMap
{
TUnorderedMap<uint32_t, const TVariable *> color;
const TVariable *depth = nullptr;
const TVariable *stencil = nullptr;
};
class TranslatorSPIRV final : public TCompiler
{
public:
TranslatorSPIRV(sh::GLenum type, ShShaderSpec spec);
void assignSpirvId(TSymbolUniqueId uniqueId, uint32_t spirvId);
protected:
[[nodiscard]] bool translate(TIntermBlock *root,
const ShCompileOptions &compileOptions,
PerformanceDiagnostics *perfDiagnostics) override;
bool shouldFlattenPragmaStdglInvariantAll() override;
[[nodiscard]] bool translateImpl(TIntermBlock *root,
const ShCompileOptions &compileOptions,
PerformanceDiagnostics *perfDiagnostics,
SpecConst *specConst,
DriverUniform *driverUniforms);
void assignInputAttachmentIds(const InputAttachmentMap &inputAttachmentMap);
void assignSpirvIds(TIntermBlock *root);
// A map from TSymbolUniqueId::mId to SPIR-V reserved ids. Used by the SPIR-V generator to
// quickly know when to use a reserved id and not have to resort to name matching.
angle::HashMap<int, uint32_t> mUniqueToSpirvIdMap;
uint32_t mFirstUnusedSpirvId;
};
} // namespace sh
#endif // COMPILER_TRANSLATOR_SPIRV_TRANSLATORSPIRV_H_