diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/ImageIndex.h')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/ImageIndex.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/ImageIndex.h b/src/3rdparty/angle/src/libGLESv2/ImageIndex.h index 9f2df88061..8bb14fd555 100644 --- a/src/3rdparty/angle/src/libGLESv2/ImageIndex.h +++ b/src/3rdparty/angle/src/libGLESv2/ImageIndex.h @@ -10,6 +10,7 @@ #define LIBGLESV2_IMAGE_INDEX_H_ #include "angle_gl.h" +#include "common/mathutil.h" namespace gl { @@ -20,6 +21,7 @@ struct ImageIndex GLint mipIndex; GLint layerIndex; + ImageIndex(GLenum typeIn, GLint mipIndexIn, GLint layerIndexIn); ImageIndex(const ImageIndex &other); ImageIndex &operator=(const ImageIndex &other); @@ -29,11 +31,36 @@ struct ImageIndex static ImageIndex MakeCube(GLenum target, GLint mipIndex); static ImageIndex Make2DArray(GLint mipIndex, GLint layerIndex); static ImageIndex Make3D(GLint mipIndex, GLint layerIndex = ENTIRE_LEVEL); + static ImageIndex MakeInvalid(); static const GLint ENTIRE_LEVEL = static_cast<GLint>(-1); +}; + +class ImageIndexIterator +{ + public: + static ImageIndexIterator Make2D(GLint minMip, GLint maxMip); + static ImageIndexIterator MakeCube(GLint minMip, GLint maxMip); + static ImageIndexIterator Make3D(GLint minMip, GLint maxMip, GLint minLayer, GLint maxLayer); + static ImageIndexIterator Make2DArray(GLint minMip, GLint maxMip, const GLsizei *layerCounts); + + ImageIndex next(); + ImageIndex current() const; + bool hasNext() const; private: - ImageIndex(GLenum typeIn, GLint mipIndexIn, GLint layerIndexIn); + + ImageIndexIterator(GLenum type, const rx::Range<GLint> &mipRange, + const rx::Range<GLint> &layerRange, const GLsizei *layerCounts); + + GLint maxLayer() const; + + GLenum mType; + rx::Range<GLint> mMipRange; + rx::Range<GLint> mLayerRange; + const GLsizei *mLayerCounts; + GLint mCurrentMip; + GLint mCurrentLayer; }; } |