1 /* 2 * Copyright 2020 Google LLC 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 GrVkMSAALoadManager_DEFINED 9 #define GrVkMSAALoadManager_DEFINED 10 11 #include "include/gpu/GrTypes.h" 12 #include "include/gpu/vk/GrVkTypes.h" 13 #include "src/gpu/GrNativeRect.h" 14 #include "src/gpu/vk/GrVkDescriptorSetManager.h" 15 16 class GrAttachment; 17 class GrSurface; 18 class GrVkCommandBuffer; 19 class GrVkGpu; 20 class GrVkImage; 21 class GrVkRenderPass; 22 struct SkIRect; 23 24 class GrVkMSAALoadManager { 25 public: 26 GrVkMSAALoadManager(); 27 28 ~GrVkMSAALoadManager(); 29 30 bool loadMSAAFromResolve(GrVkGpu* gpu, 31 GrVkCommandBuffer* commandBuffer, 32 const GrVkRenderPass& renderPass, 33 GrAttachment* dst, 34 GrVkImage* src, 35 const SkIRect& srcRect); 36 37 void destroyResources(GrVkGpu* gpu); 38 39 private: 40 bool createMSAALoadProgram(GrVkGpu* gpu); 41 42 // Everything below is only created once and shared by all msaa load pipelines 43 VkShaderModule fVertShaderModule; 44 VkShaderModule fFragShaderModule; 45 VkPipelineShaderStageCreateInfo fShaderStageInfo[2]; 46 47 // All pipelines used by this class use the same VkPipelineLayout. Therefore, unlike regular 48 // GrVkPipelines, we have the manager own the layout instead of the GrVkPipeline. 49 VkPipelineLayout fPipelineLayout; 50 }; 51 52 #endif 53 54