| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_GL_GL_IMAGE_H_ |
| #define UI_GL_GL_IMAGE_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/size.h" |
| #include "ui/gl/gl_export.h" |
| |
| namespace gfx { |
| |
| class GLSurface; |
| |
| // Encapsulates an image that can be bound to a texture, hiding platform |
| // specific management. |
| class GL_EXPORT GLImage : public base::RefCounted<GLImage> { |
| public: |
| GLImage(); |
| |
| // Destroys the image. |
| virtual void Destroy() = 0; |
| |
| // Get the size of the image. |
| virtual gfx::Size GetSize() = 0; |
| |
| // Bind image to texture currently bound to |target|. |
| virtual bool BindTexImage(unsigned target) = 0; |
| |
| // Release image from texture currently bound to |target|. |
| virtual void ReleaseTexImage(unsigned target) = 0; |
| |
| // Called before the texture is used for drawing. |
| virtual void WillUseTexImage() = 0; |
| |
| // Called after the texture has been used for drawing. |
| virtual void DidUseTexImage() = 0; |
| |
| // Called before the texture image data will be modified. |
| virtual void WillModifyTexImage() = 0; |
| |
| // Called after the texture image data has been modified. |
| virtual void DidModifyTexImage() = 0; |
| |
| // Indicate that image should be released after use. |
| // (For an Android work-around only). |
| virtual void SetReleaseAfterUse(); |
| |
| // Create a GL image for a window. |
| static scoped_refptr<GLImage> CreateGLImage(gfx::PluginWindowHandle window); |
| |
| // Create a GL image for a GPU Memory buffer. |
| static scoped_refptr<GLImage> CreateGLImageForGpuMemoryBuffer( |
| gfx::GpuMemoryBufferHandle buffer, |
| gfx::Size size, |
| unsigned internalformat); |
| |
| protected: |
| virtual ~GLImage(); |
| |
| private: |
| friend class base::RefCounted<GLImage>; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLImage); |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GL_GL_IMAGE_H_ |