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 9 #ifndef GrVkRenderTarget_DEFINED 10 #define GrVkRenderTarget_DEFINED 11 12 #include "GrVkImage.h" 13 #include "GrRenderTarget.h" 14 15 #include "GrVkRenderPass.h" 16 #include "GrVkResourceProvider.h" 17 18 class GrVkCommandBuffer; 19 class GrVkFramebuffer; 20 class GrVkGpu; 21 class GrVkImageView; 22 class GrVkStencilAttachment; 23 24 struct GrVkImageInfo; 25 26 #ifdef SK_BUILD_FOR_WIN 27 // Windows gives bogus warnings about inheriting asTexture/asRenderTarget via dominance. 28 #pragma warning(push) 29 #pragma warning(disable: 4250) 30 #endif 31 32 class GrVkRenderTarget: public GrRenderTarget, public virtual GrVkImage { 33 public: 34 static GrVkRenderTarget* CreateNewRenderTarget(GrVkGpu*, SkBudgeted, const GrSurfaceDesc&, 35 const GrVkImage::ImageDesc&); 36 37 static sk_sp<GrVkRenderTarget> MakeWrappedRenderTarget(GrVkGpu*, const GrSurfaceDesc&, 38 const GrVkImageInfo*); 39 40 ~GrVkRenderTarget() override; 41 42 const GrVkFramebuffer* framebuffer() const { return fFramebuffer; } 43 const GrVkImageView* colorAttachmentView() const { return fColorAttachmentView; } 44 const GrVkResource* msaaImageResource() const { 45 if (fMSAAImage) { 46 return fMSAAImage->fResource; 47 } 48 return nullptr; 49 } 50 GrVkImage* msaaImage() { return fMSAAImage; } 51 const GrVkImageView* resolveAttachmentView() const { return fResolveAttachmentView; } 52 const GrVkResource* stencilImageResource() const; 53 const GrVkImageView* stencilAttachmentView() const; 54 55 const GrVkRenderPass* simpleRenderPass() const { return fCachedSimpleRenderPass; } 56 GrVkResourceProvider::CompatibleRPHandle compatibleRenderPassHandle() const { 57 return fCompatibleRPHandle; 58 } 59 60 // override of GrRenderTarget 61 ResolveType getResolveType() const override { 62 if (this->numColorSamples() > 1) { 63 return kCanResolve_ResolveType; 64 } 65 return kAutoResolves_ResolveType; 66 } 67 68 bool canAttemptStencilAttachment() const override { 69 return true; 70 } 71 72 GrBackendObject getRenderTargetHandle() const override; 73 74 void getAttachmentsDescriptor(GrVkRenderPass::AttachmentsDescriptor* desc, 75 GrVkRenderPass::AttachmentFlags* flags) const; 76 77 void addResources(GrVkCommandBuffer& commandBuffer) const; 78 79 protected: 80 GrVkRenderTarget(GrVkGpu* gpu, 81 const GrSurfaceDesc& desc, 82 const GrVkImageInfo& info, 83 const GrVkImageInfo& msaaInfo, 84 const GrVkImageView* colorAttachmentView, 85 const GrVkImageView* resolveAttachmentView, 86 GrVkImage::Wrapped wrapped); 87 88 GrVkRenderTarget(GrVkGpu* gpu, 89 const GrSurfaceDesc& desc, 90 const GrVkImageInfo& info, 91 const GrVkImageView* colorAttachmentView, 92 GrVkImage::Wrapped wrapped); 93 94 GrVkGpu* getVkGpu() const; 95 96 void onAbandon() override; 97 void onRelease() override; 98 99 // This accounts for the texture's memory and any MSAA renderbuffer's memory. 100 size_t onGpuMemorySize() const override { 101 // The plus 1 is to account for the resolve texture. 102 // TODO: is this still correct? 103 return GrSurface::ComputeSize(fDesc, fDesc.fSampleCnt+1, false); 104 } 105 106 void createFramebuffer(GrVkGpu* gpu); 107 108 const GrVkImageView* fColorAttachmentView; 109 GrVkImage* fMSAAImage; 110 const GrVkImageView* fResolveAttachmentView; 111 112 private: 113 GrVkRenderTarget(GrVkGpu* gpu, 114 SkBudgeted, 115 const GrSurfaceDesc& desc, 116 const GrVkImageInfo& info, 117 const GrVkImageInfo& msaaInfo, 118 const GrVkImageView* colorAttachmentView, 119 const GrVkImageView* resolveAttachmentView, 120 GrVkImage::Wrapped wrapped); 121 122 GrVkRenderTarget(GrVkGpu* gpu, 123 SkBudgeted, 124 const GrSurfaceDesc& desc, 125 const GrVkImageInfo& info, 126 const GrVkImageView* colorAttachmentView, 127 GrVkImage::Wrapped wrapped); 128 129 static GrVkRenderTarget* Create(GrVkGpu*, SkBudgeted, const GrSurfaceDesc&, 130 const GrVkImageInfo&, GrVkImage::Wrapped wrapped); 131 132 bool completeStencilAttachment() override; 133 134 void releaseInternalObjects(); 135 void abandonInternalObjects(); 136 137 const GrVkFramebuffer* fFramebuffer; 138 139 // This is a cached pointer to a simple render pass. The render target should unref it 140 // once it is done with it. 141 const GrVkRenderPass* fCachedSimpleRenderPass; 142 // This is a handle to be used to quickly get compatible GrVkRenderPasses for this render target 143 GrVkResourceProvider::CompatibleRPHandle fCompatibleRPHandle; 144 }; 145 146 #endif 147
