1 /*
2  * Copyright 2015 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 GrVkUtil_DEFINED
9 #define GrVkUtil_DEFINED
10 
11 #include "GrColor.h"
12 #include "GrTypes.h"
13 #include "GrVkInterface.h"
14 #include "SkMacros.h"
15 #include "ir/SkSLProgram.h"
16 #include "vk/GrVkTypes.h"
17 
18 class GrVkGpu;
19 
20 // makes a Vk call on the interface
21 #define GR_VK_CALL(IFACE, X) (IFACE)->fFunctions.f##X
22 // same as GR_VK_CALL but checks for success
23 #ifdef SK_DEBUG
24 #define GR_VK_CALL_ERRCHECK(IFACE, X)                          \
25     VkResult SK_MACRO_APPEND_LINE(ret) = GR_VK_CALL(IFACE, X); \
26     SkASSERT(VK_SUCCESS == SK_MACRO_APPEND_LINE(ret))
27 #else
28 #define GR_VK_CALL_ERRCHECK(IFACE, X)  (void) GR_VK_CALL(IFACE, X)
29 #endif
30 
31 /**
32  * Returns the vulkan texture format for the given GrPixelConfig
33  */
34 bool GrPixelConfigToVkFormat(GrPixelConfig config, VkFormat* format);
35 
36 bool GrVkFormatIsSupported(VkFormat);
37 
38 #ifdef SK_DEBUG
39 /**
40  * Returns true if the passed in VkFormat and GrPixelConfig are compatible with each other.
41  */
42 bool GrVkFormatPixelConfigPairIsValid(VkFormat, GrPixelConfig);
43 #endif
44 
45 bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSamples);
46 
47 bool GrCompileVkShaderModule(const GrVkGpu* gpu,
48                              const char* shaderString,
49                              VkShaderStageFlagBits stage,
50                              VkShaderModule* shaderModule,
51                              VkPipelineShaderStageCreateInfo* stageInfo,
52                              const SkSL::Program::Settings& settings,
53                              SkSL::String* outSPIRV,
54                              SkSL::Program::Inputs* outInputs);
55 
56 bool GrInstallVkShaderModule(const GrVkGpu* gpu,
57                              const SkSL::String& spirv,
58                              VkShaderStageFlagBits stage,
59                              VkShaderModule* shaderModule,
60                              VkPipelineShaderStageCreateInfo* stageInfo);
61 
62 #endif
63