kc3-lang/angle/src/libANGLE/renderer/gl/TextureGL.h

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• Author : Geoff Lang
  Date : 2015-05-20 14:06:13
  Hash : 8509d86e
  Message : Pipe the imageSize parameter from the entry point to avoid recomputation. BUG=angleproject:884 Change-Id: Ic4d5bdc5b65ebcb8c57b960e84708e945db0276a Reviewed-on: https://chromium-review.googlesource.com/272422 Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Brandon Jones <bajones@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/gl/TextureGL.h

• //
  // Copyright 2015 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.
  //
  
  // TextureGL.h: Defines the class interface for TextureGL.
  
  #ifndef LIBANGLE_RENDERER_GL_TEXTUREGL_H_
  #define LIBANGLE_RENDERER_GL_TEXTUREGL_H_
  
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/TextureImpl.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class StateManagerGL;
  
  class TextureGL : public TextureImpl
  {
    public:
      TextureGL(GLenum type, const FunctionsGL *functions, StateManagerGL *stateManager);
      ~TextureGL() override;
  
      void setUsage(GLenum usage) override;
  
      gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
      gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                            const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
                                      const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
  
      gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                          const gl::Framebuffer *source) override;
      gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                             const gl::Framebuffer *source) override;
  
      gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
  
      gl::Error generateMipmaps(const gl::SamplerState &samplerState) override;
  
      void bindTexImage(egl::Surface *surface) override;
      void releaseTexImage() override;
  
      void syncSamplerState(const gl::SamplerState &samplerState) const;
      GLuint getTextureID() const;
  
      gl::Error getAttachmentRenderTarget(const gl::FramebufferAttachment::Target &target,
                                          FramebufferAttachmentRenderTarget **rtOut) override
      {
          return gl::Error(GL_OUT_OF_MEMORY, "Not supported on OpenGL");
      }
  
    private:
      GLenum mTextureType;
  
      const FunctionsGL *mFunctions;
      StateManagerGL *mStateManager;
  
      mutable gl::SamplerState mAppliedSamplerState;
      GLuint mTextureID;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_GL_TEXTUREGL_H_