kc3-lang/angle/src/libANGLE/renderer/TextureImpl.h

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• Author : Geoff Lang
  Date : 2016-06-08 16:14:36
  Hash : 22416868
  Message : Add dirty bits for internal texture state. Synchronize TextureGL internal state using the dirty bits. TexturesBenchmark scores: Before: 5051 After: 7639 Diff: +51.2% BUG=angleproject:1386 Change-Id: Id04aef778a47175d1a284564495a646045855b4b Reviewed-on: https://chromium-review.googlesource.com/393866 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/renderer/TextureImpl.h

• //
  // Copyright 2014 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.
  //
  
  // TextureImpl.h: Defines the abstract rx::TextureImpl classes.
  
  #ifndef LIBANGLE_RENDERER_TEXTUREIMPL_H_
  #define LIBANGLE_RENDERER_TEXTUREIMPL_H_
  
  #include <stdint.h>
  
  #include "angle_gl.h"
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/ImageIndex.h"
  #include "libANGLE/Stream.h"
  #include "libANGLE/Texture.h"
  #include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
  
  namespace egl
  {
  class Surface;
  class Image;
  }
  
  namespace gl
  {
  struct Box;
  struct Extents;
  struct Offset;
  struct Rectangle;
  class Framebuffer;
  struct PixelUnpackState;
  struct TextureState;
  }
  
  namespace rx
  {
  
  class TextureImpl : public FramebufferAttachmentObjectImpl
  {
    public:
      TextureImpl(const gl::TextureState &state);
      virtual ~TextureImpl();
  
      virtual 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) = 0;
      virtual gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                                    const gl::PixelUnpackState &unpack, const uint8_t *pixels) = 0;
  
      virtual 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) = 0;
      virtual 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) = 0;
  
      virtual gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                                  const gl::Framebuffer *source) = 0;
      virtual gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                                     const gl::Framebuffer *source) = 0;
  
      virtual gl::Error copyTexture(GLenum internalFormat,
                                    GLenum type,
                                    bool unpackFlipY,
                                    bool unpackPremultiplyAlpha,
                                    bool unpackUnmultiplyAlpha,
                                    const gl::Texture *source);
      virtual gl::Error copySubTexture(const gl::Offset &destOffset,
                                       const gl::Rectangle &sourceArea,
                                       bool unpackFlipY,
                                       bool unpackPremultiplyAlpha,
                                       bool unpackUnmultiplyAlpha,
                                       const gl::Texture *source);
  
      virtual gl::Error copyCompressedTexture(const gl::Texture *source);
  
      virtual gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) = 0;
  
      virtual gl::Error setEGLImageTarget(GLenum target, egl::Image *image) = 0;
  
      virtual gl::Error setImageExternal(GLenum target,
                                         egl::Stream *stream,
                                         const egl::Stream::GLTextureDescription &desc) = 0;
  
      virtual gl::Error generateMipmap() = 0;
  
      virtual void setBaseLevel(GLuint baseLevel) = 0;
  
      virtual void bindTexImage(egl::Surface *surface) = 0;
      virtual void releaseTexImage() = 0;
  
      virtual void syncState(const gl::Texture::DirtyBits &dirtyBits) = 0;
  
    protected:
      const gl::TextureState &mState;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_TEXTUREIMPL_H_