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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/FramebufferAttachment.h')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/FramebufferAttachment.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/FramebufferAttachment.h b/src/3rdparty/angle/src/libGLESv2/FramebufferAttachment.h new file mode 100644 index 0000000000..18768f9831 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/FramebufferAttachment.h @@ -0,0 +1,246 @@ +// +// Copyright (c) 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. +// + +// FramebufferAttachment.h: Defines the wrapper class gl::FramebufferAttachment, as well as the +// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108. + +#ifndef LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ +#define LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ + +#include "angle_gl.h" + +#include "common/angleutils.h" +#include "common/RefCountObject.h" + +namespace rx +{ +class Renderer; +class RenderTarget; +class TextureStorage; +} + +namespace gl +{ +class Texture2D; +class TextureCubeMap; +class Texture3D; +class Texture2DArray; +class Renderbuffer; + +// FramebufferAttachment implements a GL framebuffer attachment. +// Attachments are "light" containers, which store pointers to ref-counted GL objects. +// We support GL texture (2D/3D/Cube/2D array) and renderbuffer object attachments. +// Note: Our old naming scheme used the term "Renderbuffer" for both GL renderbuffers and for +// framebuffer attachments, which confused their usage. + +class FramebufferAttachment +{ + public: + FramebufferAttachment(); + virtual ~FramebufferAttachment(); + + // Helper methods + GLuint getRedSize() const; + GLuint getGreenSize() const; + GLuint getBlueSize() const; + GLuint getAlphaSize() const; + GLuint getDepthSize() const; + GLuint getStencilSize() const; + GLenum getComponentType() const; + GLenum getColorEncoding() const; + bool isTexture() const; + + bool isTextureWithId(GLuint textureId) const { return isTexture() && id() == textureId; } + bool isRenderbufferWithId(GLuint renderbufferId) const { return !isTexture() && id() == renderbufferId; } + + // Child class interface + virtual rx::RenderTarget *getRenderTarget() = 0; + virtual rx::RenderTarget *getDepthStencil() = 0; + virtual rx::TextureStorage *getTextureStorage() = 0; + + virtual GLsizei getWidth() const = 0; + virtual GLsizei getHeight() const = 0; + virtual GLenum getInternalFormat() const = 0; + virtual GLenum getActualFormat() const = 0; + virtual GLsizei getSamples() const = 0; + + virtual unsigned int getSerial() const = 0; + + virtual GLuint id() const = 0; + virtual GLenum type() const = 0; + virtual GLint mipLevel() const = 0; + virtual GLint layer() const = 0; + virtual unsigned int getTextureSerial() const = 0; + + private: + DISALLOW_COPY_AND_ASSIGN(FramebufferAttachment); +}; + +class Texture2DAttachment : public FramebufferAttachment +{ + public: + Texture2DAttachment(Texture2D *texture, GLint level); + + virtual ~Texture2DAttachment(); + + rx::RenderTarget *getRenderTarget(); + rx::RenderTarget *getDepthStencil(); + rx::TextureStorage *getTextureStorage(); + + virtual GLsizei getWidth() const; + virtual GLsizei getHeight() const; + virtual GLenum getInternalFormat() const; + virtual GLenum getActualFormat() const; + virtual GLsizei getSamples() const; + + virtual unsigned int getSerial() const; + + virtual GLuint id() const; + virtual GLenum type() const; + virtual GLint mipLevel() const; + virtual GLint layer() const; + virtual unsigned int getTextureSerial() const; + + private: + DISALLOW_COPY_AND_ASSIGN(Texture2DAttachment); + + BindingPointer<Texture2D> mTexture2D; + const GLint mLevel; +}; + +class TextureCubeMapAttachment : public FramebufferAttachment +{ + public: + TextureCubeMapAttachment(TextureCubeMap *texture, GLenum faceTarget, GLint level); + + virtual ~TextureCubeMapAttachment(); + + rx::RenderTarget *getRenderTarget(); + rx::RenderTarget *getDepthStencil(); + rx::TextureStorage *getTextureStorage(); + + virtual GLsizei getWidth() const; + virtual GLsizei getHeight() const; + virtual GLenum getInternalFormat() const; + virtual GLenum getActualFormat() const; + virtual GLsizei getSamples() const; + + virtual unsigned int getSerial() const; + + virtual GLuint id() const; + virtual GLenum type() const; + virtual GLint mipLevel() const; + virtual GLint layer() const; + virtual unsigned int getTextureSerial() const; + + private: + DISALLOW_COPY_AND_ASSIGN(TextureCubeMapAttachment); + + BindingPointer<TextureCubeMap> mTextureCubeMap; + const GLint mLevel; + const GLenum mFaceTarget; +}; + +class Texture3DAttachment : public FramebufferAttachment +{ + public: + Texture3DAttachment(Texture3D *texture, GLint level, GLint layer); + + virtual ~Texture3DAttachment(); + + rx::RenderTarget *getRenderTarget(); + rx::RenderTarget *getDepthStencil(); + rx::TextureStorage *getTextureStorage(); + + virtual GLsizei getWidth() const; + virtual GLsizei getHeight() const; + virtual GLenum getInternalFormat() const; + virtual GLenum getActualFormat() const; + virtual GLsizei getSamples() const; + + virtual unsigned int getSerial() const; + + virtual GLuint id() const; + virtual GLenum type() const; + virtual GLint mipLevel() const; + virtual GLint layer() const; + virtual unsigned int getTextureSerial() const; + + private: + DISALLOW_COPY_AND_ASSIGN(Texture3DAttachment); + + BindingPointer<Texture3D> mTexture3D; + const GLint mLevel; + const GLint mLayer; +}; + +class Texture2DArrayAttachment : public FramebufferAttachment +{ + public: + Texture2DArrayAttachment(Texture2DArray *texture, GLint level, GLint layer); + + virtual ~Texture2DArrayAttachment(); + + rx::RenderTarget *getRenderTarget(); + rx::RenderTarget *getDepthStencil(); + rx::TextureStorage *getTextureStorage(); + + virtual GLsizei getWidth() const; + virtual GLsizei getHeight() const; + virtual GLenum getInternalFormat() const; + virtual GLenum getActualFormat() const; + virtual GLsizei getSamples() const; + + virtual unsigned int getSerial() const; + + virtual GLuint id() const; + virtual GLenum type() const; + virtual GLint mipLevel() const; + virtual GLint layer() const; + virtual unsigned int getTextureSerial() const; + + private: + DISALLOW_COPY_AND_ASSIGN(Texture2DArrayAttachment); + + BindingPointer<Texture2DArray> mTexture2DArray; + const GLint mLevel; + const GLint mLayer; +}; + +class RenderbufferAttachment : public FramebufferAttachment +{ + public: + RenderbufferAttachment(Renderbuffer *renderbuffer); + + virtual ~RenderbufferAttachment(); + + rx::RenderTarget *getRenderTarget(); + rx::RenderTarget *getDepthStencil(); + rx::TextureStorage *getTextureStorage(); + + virtual GLsizei getWidth() const; + virtual GLsizei getHeight() const; + virtual GLenum getInternalFormat() const; + virtual GLenum getActualFormat() const; + virtual GLsizei getSamples() const; + + virtual unsigned int getSerial() const; + + virtual GLuint id() const; + virtual GLenum type() const; + virtual GLint mipLevel() const; + virtual GLint layer() const; + virtual unsigned int getTextureSerial() const; + + private: + DISALLOW_COPY_AND_ASSIGN(RenderbufferAttachment); + + BindingPointer<Renderbuffer> mRenderbuffer; +}; + +} + +#endif // LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |