1 // 2 // Copyright 2019 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // RenderTargetMtl.h: 7 // Defines the class interface for RenderTargetMtl. 8 // 9 10 #ifndef LIBANGLE_RENDERER_METAL_RENDERTARGETMTL_H_ 11 #define LIBANGLE_RENDERER_METAL_RENDERTARGETMTL_H_ 12 13 #import <Metal/Metal.h> 14 15 #include "libANGLE/FramebufferAttachment.h" 16 #include "libANGLE/renderer/metal/mtl_format_utils.h" 17 #include "libANGLE/renderer/metal/mtl_resources.h" 18 #include "libANGLE/renderer/metal/mtl_state_cache.h" 19 20 namespace rx 21 { 22 23 // This is a very light-weight class that does not own to the resources it points to. 24 // It's meant only to copy across some information from a FramebufferAttachment to the 25 // business rendering logic. 26 class RenderTargetMtl final : public FramebufferAttachmentRenderTarget 27 { 28 public: 29 RenderTargetMtl(); 30 ~RenderTargetMtl() override; 31 32 // Used in std::vector initialization. 33 RenderTargetMtl(RenderTargetMtl &&other); 34 35 void set(const mtl::TextureRef &texture, 36 const mtl::MipmapNativeLevel &level, 37 uint32_t layer, 38 const mtl::Format &format); 39 void setWithImplicitMSTexture(const mtl::TextureRef &texture, 40 const mtl::TextureRef &implicitMSTexture, 41 const mtl::MipmapNativeLevel &level, 42 uint32_t layer, 43 const mtl::Format &format); 44 void setTexture(const mtl::TextureRef &texture); 45 void setImplicitMSTexture(const mtl::TextureRef &implicitMSTexture); 46 void duplicateFrom(const RenderTargetMtl &src); 47 void reset(); 48 getTexture()49 mtl::TextureRef getTexture() const { return mTexture.lock(); } getImplicitMSTexture()50 mtl::TextureRef getImplicitMSTexture() const { return mImplicitMSTexture.lock(); } getLevelIndex()51 const mtl::MipmapNativeLevel &getLevelIndex() const { return mLevelIndex; } getLayerIndex()52 uint32_t getLayerIndex() const { return mLayerIndex; } 53 uint32_t getRenderSamples() const; getFormat()54 const mtl::Format *getFormat() const { return mFormat; } 55 56 void toRenderPassAttachmentDesc(mtl::RenderPassAttachmentDesc *rpaDescOut) const; 57 58 private: 59 mtl::TextureWeakRef mTexture; 60 mtl::TextureWeakRef mImplicitMSTexture; 61 mtl::MipmapNativeLevel mLevelIndex = mtl::kZeroNativeMipLevel; 62 uint32_t mLayerIndex = 0; 63 const mtl::Format *mFormat = nullptr; 64 }; 65 } // namespace rx 66 67 #endif /* LIBANGLE_RENDERER_METAL_RENDERTARGETMTL_H */ 68