1 // 2 // Copyright 2016 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 // RenderbufferVk.h: 7 // Defines the class interface for RenderbufferVk, implementing RenderbufferImpl. 8 // 9 10 #ifndef LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ 11 #define LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ 12 13 #include "libANGLE/renderer/RenderbufferImpl.h" 14 #include "libANGLE/renderer/vulkan/RenderTargetVk.h" 15 #include "libANGLE/renderer/vulkan/vk_helpers.h" 16 17 namespace rx 18 { 19 20 class RenderbufferVk : public RenderbufferImpl, public angle::ObserverInterface 21 { 22 public: 23 RenderbufferVk(const gl::RenderbufferState &state); 24 ~RenderbufferVk() override; 25 26 void onDestroy(const gl::Context *context) override; 27 28 angle::Result setStorage(const gl::Context *context, 29 GLenum internalformat, 30 GLsizei width, 31 GLsizei height) override; 32 angle::Result setStorageMultisample(const gl::Context *context, 33 GLsizei samples, 34 GLenum internalformat, 35 GLsizei width, 36 GLsizei height, 37 gl::MultisamplingMode mode) override; 38 angle::Result setStorageEGLImageTarget(const gl::Context *context, egl::Image *image) override; 39 40 angle::Result copyRenderbufferSubData(const gl::Context *context, 41 const gl::Renderbuffer *srcBuffer, 42 GLint srcLevel, 43 GLint srcX, 44 GLint srcY, 45 GLint srcZ, 46 GLint dstLevel, 47 GLint dstX, 48 GLint dstY, 49 GLint dstZ, 50 GLsizei srcWidth, 51 GLsizei srcHeight, 52 GLsizei srcDepth) override; 53 54 angle::Result copyTextureSubData(const gl::Context *context, 55 const gl::Texture *srcTexture, 56 GLint srcLevel, 57 GLint srcX, 58 GLint srcY, 59 GLint srcZ, 60 GLint dstLevel, 61 GLint dstX, 62 GLint dstY, 63 GLint dstZ, 64 GLsizei srcWidth, 65 GLsizei srcHeight, 66 GLsizei srcDepth) override; 67 68 angle::Result getAttachmentRenderTarget(const gl::Context *context, 69 GLenum binding, 70 const gl::ImageIndex &imageIndex, 71 GLsizei samples, 72 FramebufferAttachmentRenderTarget **rtOut) override; 73 74 angle::Result initializeContents(const gl::Context *context, 75 const gl::ImageIndex &imageIndex) override; 76 getImage()77 vk::ImageHelper *getImage() const { return mImage; } 78 void releaseOwnershipOfImage(const gl::Context *context); 79 80 GLenum getColorReadFormat(const gl::Context *context) override; 81 GLenum getColorReadType(const gl::Context *context) override; 82 83 angle::Result getRenderbufferImage(const gl::Context *context, 84 const gl::PixelPackState &packState, 85 gl::Buffer *packBuffer, 86 GLenum format, 87 GLenum type, 88 void *pixels) override; 89 90 angle::Result ensureImageInitialized(const gl::Context *context); 91 92 private: 93 void releaseAndDeleteImage(ContextVk *contextVk); 94 void releaseImage(ContextVk *contextVk); 95 96 angle::Result setStorageImpl(const gl::Context *context, 97 GLsizei samples, 98 GLenum internalformat, 99 GLsizei width, 100 GLsizei height, 101 gl::MultisamplingMode mode); 102 103 const gl::InternalFormat &getImplementationSizedFormat() const; 104 105 // We monitor the staging buffer for changes. This handles staged data from outside this class. 106 void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override; 107 108 bool mOwnsImage; 109 110 // |mOwnsImage| indicates that |RenderbufferVk| owns the image. Otherwise, this is a weak 111 // pointer shared with another class. Due to this sharing, for example through EGL images, the 112 // image must always be dynamically allocated as the renderbuffer can release ownership for 113 // example and it can be transferred to another |RenderbufferVk|. 114 vk::ImageHelper *mImage; 115 vk::ImageViewHelper mImageViews; 116 117 // If renderbuffer is created through the EXT_multisampled_render_to_texture API, it is expected 118 // that all rendering is done multisampled during the renderpass, and is automatically resolved 119 // (into |mImage|) and discarded afterwards. |mMultisampledImage| is the implicit image that 120 // contains the multisampled data. 121 vk::ImageHelper mMultisampledImage; 122 vk::ImageViewHelper mMultisampledImageViews; 123 124 RenderTargetVk mRenderTarget; 125 126 angle::ObserverBinding mImageObserverBinding; 127 }; 128 129 } // namespace rx 130 131 #endif // LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ 132