// // Copyright 2016 The ANGLE Project Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // // RenderbufferVk.h: // Defines the class interface for RenderbufferVk, implementing RenderbufferImpl. // #ifndef LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ #define LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_ #include "libANGLE/renderer/RenderbufferImpl.h" #include "libANGLE/renderer/vulkan/RenderTargetVk.h" #include "libANGLE/renderer/vulkan/vk_helpers.h" namespace rx { class RenderbufferVk : public RenderbufferImpl, public angle::ObserverInterface { public: RenderbufferVk(const gl::RenderbufferState &state); ~RenderbufferVk() override; void onDestroy(const gl::Context *context) override; angle::Result setStorage(const gl::Context *context, GLenum internalformat, GLsizei width, GLsizei height) override; angle::Result setStorageMultisample(const gl::Context *context, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, gl::MultisamplingMode mode) override; angle::Result setStorageEGLImageTarget(const gl::Context *context, egl::Image *image) override; angle::Result copyRenderbufferSubData(const gl::Context *context, const gl::Renderbuffer *srcBuffer, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth) override; angle::Result copyTextureSubData(const gl::Context *context, const gl::Texture *srcTexture, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth) override; angle::Result getAttachmentRenderTarget(const gl::Context *context, GLenum binding, const gl::ImageIndex &imageIndex, GLsizei samples, FramebufferAttachmentRenderTarget **rtOut) override; angle::Result initializeContents(const gl::Context *context, GLenum binding, const gl::ImageIndex &imageIndex) override; vk::ImageHelper *getImage() const { return mImage; } void releaseOwnershipOfImage(const gl::Context *context); GLenum getColorReadFormat(const gl::Context *context) override; GLenum getColorReadType(const gl::Context *context) override; angle::Result getRenderbufferImage(const gl::Context *context, const gl::PixelPackState &packState, gl::Buffer *packBuffer, GLenum format, GLenum type, void *pixels) override; angle::Result ensureImageInitialized(const gl::Context *context); private: void releaseAndDeleteImage(ContextVk *contextVk); void releaseImage(ContextVk *contextVk); angle::Result setStorageImpl(const gl::Context *context, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, gl::MultisamplingMode mode); const gl::InternalFormat &getImplementationSizedFormat() const; // We monitor the staging buffer for changes. This handles staged data from outside this class. void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override; bool mOwnsImage; // Generated from ImageVk if EGLImage target. UniqueSerial mImageSiblingSerial; // |mOwnsImage| indicates that |RenderbufferVk| owns the image. Otherwise, this is a weak // pointer shared with another class. Due to this sharing, for example through EGL images, the // image must always be dynamically allocated as the renderbuffer can release ownership for // example and it can be transferred to another |RenderbufferVk|. vk::ImageHelper *mImage; vk::ImageViewHelper mImageViews; // If renderbuffer is created through the EXT_multisampled_render_to_texture API, it is expected // that all rendering is done multisampled during the renderpass, and is automatically resolved // (into |mImage|) and discarded afterwards. |mMultisampledImage| is the implicit image that // contains the multisampled data. vk::ImageHelper mMultisampledImage; vk::ImageViewHelper mMultisampledImageViews; RenderTargetVk mRenderTarget; angle::ObserverBinding mImageObserverBinding; }; } // namespace rx #endif // LIBANGLE_RENDERER_VULKAN_RENDERBUFFERVK_H_