1 //
2 // Copyright 2017 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // ProgramPipelineVk.cpp:
7 // Implements the class methods for ProgramPipelineVk.
8 //
9
10 #include "libANGLE/renderer/vulkan/ProgramPipelineVk.h"
11
12 namespace rx
13 {
14
ProgramPipelineVk(const gl::ProgramPipelineState & state)15 ProgramPipelineVk::ProgramPipelineVk(const gl::ProgramPipelineState &state)
16 : ProgramPipelineImpl(state)
17 {}
18
~ProgramPipelineVk()19 ProgramPipelineVk::~ProgramPipelineVk() {}
20
destroy(const gl::Context * context)21 void ProgramPipelineVk::destroy(const gl::Context *context)
22 {
23 ContextVk *contextVk = vk::GetImpl(context);
24 reset(contextVk);
25 }
26
reset(ContextVk * contextVk)27 void ProgramPipelineVk::reset(ContextVk *contextVk)
28 {
29 getExecutable()->reset(contextVk);
30 }
31
link(const gl::Context * glContext,const gl::ProgramMergedVaryings & mergedVaryings,const gl::ProgramVaryingPacking & varyingPacking)32 angle::Result ProgramPipelineVk::link(const gl::Context *glContext,
33 const gl::ProgramMergedVaryings &mergedVaryings,
34 const gl::ProgramVaryingPacking &varyingPacking)
35 {
36 ContextVk *contextVk = vk::GetImpl(glContext);
37 const gl::ProgramExecutable &glExecutable = mState.getExecutable();
38 ProgramExecutableVk *executableVk = vk::GetImpl(&glExecutable);
39 SpvSourceOptions options = SpvCreateSourceOptions(contextVk->getFeatures());
40 SpvProgramInterfaceInfo spvProgramInterfaceInfo = {};
41
42 reset(contextVk);
43 executableVk->clearVariableInfoMap();
44
45 // Now that the program pipeline has all of the programs attached, the various descriptor
46 // set/binding locations need to be re-assigned to their correct values.
47 const gl::ShaderType linkedTransformFeedbackStage =
48 glExecutable.getLinkedTransformFeedbackStage();
49
50 // This should be done before assigning varying locations. Otherwise, we can encounter shader
51 // interface mismatching problems when the transform feedback stage is not the vertex stage.
52 if (options.supportsTransformFeedbackExtension)
53 {
54 for (const gl::ShaderType shaderType : glExecutable.getLinkedShaderStages())
55 {
56 const gl::SharedProgramExecutable &glShaderExecutable =
57 mState.getShaderProgramExecutable(shaderType);
58 if (glShaderExecutable && gl::ShaderTypeSupportsTransformFeedback(shaderType))
59 {
60 const bool isTransformFeedbackStage =
61 shaderType == linkedTransformFeedbackStage &&
62 !glShaderExecutable->getLinkedTransformFeedbackVaryings().empty();
63
64 SpvAssignTransformFeedbackLocations(
65 shaderType, *glShaderExecutable.get(), isTransformFeedbackStage,
66 &spvProgramInterfaceInfo, &executableVk->mVariableInfoMap);
67 }
68 }
69 }
70
71 executableVk->mOriginalShaderInfo.clear();
72
73 SpvAssignLocations(options, glExecutable, varyingPacking, linkedTransformFeedbackStage,
74 &spvProgramInterfaceInfo, &executableVk->mVariableInfoMap);
75
76 for (const gl::ShaderType shaderType : glExecutable.getLinkedShaderStages())
77 {
78 const gl::SharedProgramExecutable &glShaderExecutable =
79 mState.getShaderProgramExecutable(shaderType);
80 ProgramExecutableVk *programExecutableVk = vk::GetImpl(glShaderExecutable.get());
81 executableVk->mDefaultUniformBlocks[shaderType] =
82 programExecutableVk->getSharedDefaultUniformBlock(shaderType);
83
84 executableVk->mOriginalShaderInfo.initShaderFromProgram(
85 shaderType, programExecutableVk->mOriginalShaderInfo);
86 }
87
88 executableVk->setAllDefaultUniformsDirty();
89
90 if (contextVk->getFeatures().varyingsRequireMatchingPrecisionInSpirv.enabled &&
91 contextVk->getFeatures().enablePrecisionQualifiers.enabled)
92 {
93 executableVk->resolvePrecisionMismatch(mergedVaryings);
94 }
95
96 executableVk->resetLayout(contextVk);
97 ANGLE_TRY(executableVk->createPipelineLayout(contextVk, &contextVk->getPipelineLayoutCache(),
98 &contextVk->getDescriptorSetLayoutCache(),
99 nullptr));
100 ANGLE_TRY(executableVk->initializeDescriptorPools(contextVk,
101 &contextVk->getDescriptorSetLayoutCache(),
102 &contextVk->getMetaDescriptorPools()));
103
104 angle::Result result = angle::Result::Continue;
105
106 if (contextVk->getFeatures().warmUpPipelineCacheAtLink.enabled)
107 {
108 ANGLE_TRY(executableVk->warmUpPipelineCache(
109 contextVk->getRenderer(), contextVk->pipelineRobustness(),
110 contextVk->pipelineProtectedAccess(), vk::GraphicsPipelineSubset::Complete));
111 }
112
113 return result;
114 } // namespace rx
115
116 } // namespace rx
117