| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_FILTERFW_CORE_GL_BUFFER_INTERFACE_H |
| #define ANDROID_FILTERFW_CORE_GL_BUFFER_INTERFACE_H |
| |
| #include <GLES2/gl2.h> |
| |
| namespace android { |
| namespace filterfw { |
| |
| class GLTextureHandle { |
| public: |
| virtual ~GLTextureHandle() { } |
| |
| // Returns the held texture id. |
| virtual GLuint GetTextureId() const = 0; |
| |
| // Binds the held texture. This may result in creating the texture if it |
| // is not yet available. |
| virtual bool FocusTexture() = 0; |
| |
| // Generates the mipmap chain of the held texture. Returns true, iff |
| // generating was successful. |
| virtual bool GenerateMipMap() = 0; |
| |
| // Set a texture parameter (see glTextureParameter documentation). Returns |
| // true iff the parameter was set successfully. |
| virtual bool SetTextureParameter(GLenum pname, GLint value) = 0; |
| |
| // Returns the texture target used. |
| // Texture Target should be: GL_TEXTURE_2D, GL_TEXTURE_EXTERNAL_OES. |
| virtual GLuint GetTextureTarget() const = 0; |
| }; |
| |
| class GLFrameBufferHandle { |
| public: |
| virtual ~GLFrameBufferHandle() { } |
| |
| // Returns the held FBO id. |
| virtual GLuint GetFboId() const = 0; |
| |
| // Binds the held FBO. This may result in creating the FBO if it |
| // is not yet available. |
| virtual bool FocusFrameBuffer() = 0; |
| }; |
| |
| // Interface to instances that hold GL textures and frame-buffer-objects. |
| // The GLFrame class implements this interface. |
| class GLBufferHandle : public GLTextureHandle, public GLFrameBufferHandle { |
| public: |
| virtual ~GLBufferHandle() { } |
| }; |
| |
| } // namespace filterfw |
| } // namespace android |
| |
| #endif // ANDROID_FILTERFW_CORE_GL_BUFFER_INTERFACE_H |