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 GLenum binding, 76 const gl::ImageIndex &imageIndex) override; 77 getImage()78 vk::ImageHelper *getImage() const { return mImage; } 79 void releaseOwnershipOfImage(const gl::Context *context); 80 81 GLenum getColorReadFormat(const gl::Context *context) override; 82 GLenum getColorReadType(const gl::Context *context) override; 83 84 angle::Result getRenderbufferImage(const gl::Context *context, 85 const gl::PixelPackState &packState, 86 gl::Buffer *packBuffer, 87 GLenum format, 88 GLenum type, 89 void *pixels) override; 90 91 angle::Result ensureImageInitialized(const gl::Context *context); 92 93 private: 94 void releaseAndDeleteImage(ContextVk *contextVk); 95 void releaseImage(ContextVk *contextVk); 96 97 angle::Result setStorageImpl(const gl::Context *context, 98 GLsizei samples, 99 GLenum internalformat, 100 GLsizei width, 101 GLsizei height, 102 gl::MultisamplingMode mode); 103 104 const gl::InternalFormat &getImplementationSizedFormat() const; 105 106 // We monitor the staging buffer for changes. This handles staged data from outside this class. 107 void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override; 108 109 bool mOwnsImage; 110 // Generated from ImageVk if EGLImage target. 111 UniqueSerial mImageSiblingSerial; 112 113 // |mOwnsImage| indicates that |RenderbufferVk| owns the image. Otherwise, this is a weak 114 // pointer shared with another class. Due to this sharing, for example through EGL images, the 115 // image must always be dynamically allocated as the renderbuffer can release ownership for 116 // example and it can be transferred to another |RenderbufferVk|. 117 vk::ImageHelper *mImage; 118 vk::ImageViewHelper mImageViews; 119 120 // If renderbuffer is created through the EXT_multisampled_render_to_texture API, it is expected 121 // that all rendering is done multisampled during the renderpass, and is automatically resolved 122 // (into |mImage|) and discarded afterwards. |mMultisampledImage| is the implicit image that 123 // contains the multisampled data. 124 vk::ImageHelper mMultisampledImage; 125 vk::ImageViewHelper mMultisampledImageViews; 126 127 RenderTargetVk mRenderTarget; 128 129 angle::ObserverBinding mImageObserverBinding; 130 }; 131 132 } // namespace rx 133 134 #endif // LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ 135