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1 /* | |
2 * Copyright 2016 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef GrVkProgramBuilder_DEFINED | |
9 #define GrVkProgramBuilder_DEFINED | |
10 | |
11 #include "glsl/GrGLSLProgramBuilder.h" | |
12 | |
13 #include "GrPipeline.h" | |
14 #include "vk/GrVkUniformHandler.h" | |
15 #include "vk/GrVkVaryingHandler.h" | |
16 | |
17 #include "shaderc/shaderc.h" | |
18 #include "vulkan/vulkan.h" | |
19 | |
20 class GrVkGpu; | |
21 class GrVkRenderPass; | |
22 class GrVkProgram; | |
23 | |
24 class GrVkProgramBuilder : public GrGLSLProgramBuilder { | |
25 public: | |
26 /** Generates a shader program. | |
27 * | |
28 * The program implements what is specified in the stages given as input. | |
29 * After successful generation, the builder result objects are available | |
30 * to be used. | |
31 * @return true if generation was successful. | |
32 */ | |
33 static GrVkProgram* CreateProgram(GrVkGpu*, | |
34 const DrawArgs&, | |
35 GrPrimitiveType, | |
36 const GrVkRenderPass& renderPass); | |
37 | |
38 const GrCaps* caps() const override; | |
39 const GrGLSLCaps* glslCaps() const override; | |
40 | |
41 GrVkGpu* gpu() const { return fGpu; } | |
42 | |
43 void finalizeFragmentOutputColor(GrGLSLShaderVar& outputColor) override; | |
44 | |
45 private: | |
46 GrVkProgramBuilder(GrVkGpu*, const DrawArgs&); | |
47 | |
48 void emitSamplers(const GrProcessor&, | |
49 GrGLSLTextureSampler::TextureSamplerArray* outSamplers) ov
erride; | |
50 | |
51 GrVkProgram* finalize(const DrawArgs& args, | |
52 GrPrimitiveType primitiveType, | |
53 const GrVkRenderPass& renderPass); | |
54 | |
55 static bool CreateVkShaderModule(const GrVkGpu* gpu, | |
56 VkShaderStageFlagBits stage, | |
57 const GrGLSLShaderBuilder& builder, | |
58 VkShaderModule* shaderModule, | |
59 VkPipelineShaderStageCreateInfo* stageInfo)
; | |
60 | |
61 GrGLSLUniformHandler* uniformHandler() override { return &fUniformHandler; } | |
62 const GrGLSLUniformHandler* uniformHandler() const override { return &fUnifo
rmHandler; } | |
63 GrGLSLVaryingHandler* varyingHandler() override { return &fVaryingHandler; } | |
64 | |
65 GrVkGpu* fGpu; | |
66 GrVkVaryingHandler fVaryingHandler; | |
67 GrVkUniformHandler fUniformHandler; | |
68 | |
69 SkTArray<UniformHandle> fSamplerUniforms; | |
70 | |
71 typedef GrGLSLProgramBuilder INHERITED; | |
72 }; | |
73 | |
74 #endif | |
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