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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 "vk/GrVkDefines.h"
14 #include "vk/GrVkInterface.h"
15 #include "ir/SkSLProgram.h"
16 
17 class GrVkGpu;
18 
19 // makes a Vk call on the interface
20 #define GR_VK_CALL(IFACE, X) (IFACE)->fFunctions.f##X;
21 // same as GR_VK_CALL but checks for success
22 #ifdef SK_DEBUG
23 #define GR_VK_CALL_ERRCHECK(IFACE, X) \
24     VkResult SK_MACRO_APPEND_LINE(ret) = GR_VK_CALL(IFACE, X); \
25     SkASSERT(VK_SUCCESS == SK_MACRO_APPEND_LINE(ret));
26 #else
27 #define GR_VK_CALL_ERRCHECK(IFACE, X)  (void) GR_VK_CALL(IFACE, X);
28 #endif
29 
30 /**
31  * Returns the vulkan texture format for the given GrPixelConfig
32  */
33 bool GrPixelConfigToVkFormat(GrPixelConfig config, VkFormat* format);
34 
35 /**
36 * Returns the GrPixelConfig for the given vulkan texture format
37 */
38 GrPixelConfig GrVkFormatToPixelConfig(VkFormat format);
39 
40 /**
41  * Returns true if the given vulkan texture format is sRGB encoded.
42  * Also provides the non-sRGB version, if there is one.
43  */
44 bool GrVkFormatIsSRGB(VkFormat format, VkFormat* linearFormat);
45 
46 bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSamples);
47 
48 bool GrCompileVkShaderModule(const GrVkGpu* gpu,
49                              const char* shaderString,
50                              VkShaderStageFlagBits stage,
51                              VkShaderModule* shaderModule,
52                              VkPipelineShaderStageCreateInfo* stageInfo,
53                              const SkSL::Program::Settings& settings,
54                              SkSL::Program::Inputs* outInputs);
55 
56 #endif
57