Moved Texture*::Extensions functionality into GL2Extensions
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14581 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
@@ -782,204 +782,6 @@ class OSG_EXPORT Texture : public osg::StateAttribute
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* for all graphics contexts. */
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virtual void releaseGLObjects(State* state=0) const;
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/** Encapsulates queries of extension availability, obtains extension
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* function pointers, and provides convenience wrappers for
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* calling extension functions. */
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class OSG_EXPORT Extensions : public osg::Referenced
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{
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public:
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Extensions(unsigned int contextID);
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void setMultiTexturingSupported(bool flag) { _isMultiTexturingSupported=flag; }
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bool isMultiTexturingSupported() const { return _isMultiTexturingSupported; }
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void setTextureFilterAnisotropicSupported(bool flag) { _isTextureFilterAnisotropicSupported=flag; }
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bool isTextureFilterAnisotropicSupported() const { return _isTextureFilterAnisotropicSupported; }
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void setTextureSwizzleSupported(bool flag) { _isTextureSwizzleSupported=flag; }
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bool isTextureSwizzleSupported() const { return _isTextureSwizzleSupported; }
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void setTextureCompressionARBSupported(bool flag) { _isTextureCompressionARBSupported=flag; }
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bool isTextureCompressionARBSupported() const { return _isTextureCompressionARBSupported; }
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void setTextureCompressionS3TCSupported(bool flag) { _isTextureCompressionS3TCSupported=flag; }
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bool isTextureCompressionS3TCSupported() const { return _isTextureCompressionS3TCSupported; }
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void setTextureCompressionPVRTC2BPPSupported(bool flag) { _isTextureCompressionPVRTC2BPPSupported=flag; }
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bool isTextureCompressionPVRTC2BPPSupported() const { return _isTextureCompressionPVRTC2BPPSupported; }
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void setTextureCompressionPVRTC4BPPSupported(bool flag) { _isTextureCompressionPVRTC4BPPSupported=flag; }
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bool isTextureCompressionPVRTC4BPPSupported() const { return _isTextureCompressionPVRTC4BPPSupported; }
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void setTextureCompressionETCSupported(bool flag) { _isTextureCompressionETCSupported=flag; }
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bool isTextureCompressionETCSupported() const { return _isTextureCompressionETCSupported; }
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void setTextureCompressionETC2Supported(bool flag) { _isTextureCompressionETC2Supported=flag; }
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bool isTextureCompressionETC2Supported() const { return _isTextureCompressionETC2Supported; }
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void setTextureCompressionRGTCSupported(bool flag) { _isTextureCompressionRGTCSupported=flag; }
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bool isTextureCompressionRGTCSupported() const { return _isTextureCompressionRGTCSupported; }
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void setTextureCompressionPVRTCSupported(bool flag) { _isTextureCompressionPVRTCSupported=flag; }
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bool isTextureCompressionPVRTCSupported() const { return _isTextureCompressionPVRTCSupported; }
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void setTextureMirroredRepeatSupported(bool flag) { _isTextureMirroredRepeatSupported=flag; }
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bool isTextureMirroredRepeatSupported() const { return _isTextureMirroredRepeatSupported; }
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void setTextureEdgeClampSupported(bool flag) { _isTextureEdgeClampSupported=flag; }
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bool isTextureEdgeClampSupported() const { return _isTextureEdgeClampSupported; }
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void setTextureBorderClampSupported(bool flag) { _isTextureBorderClampSupported=flag; }
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bool isTextureBorderClampSupported() const { return _isTextureBorderClampSupported; }
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void setGenerateMipMapSupported(bool flag) { _isGenerateMipMapSupported=flag; }
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bool isGenerateMipMapSupported() const { return _isGenerateMipMapSupported; }
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void setPreferGenerateMipmapSGISForPowerOfTwo(bool flag) { _preferGenerateMipmapSGISForPowerOfTwo = flag; }
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bool getPreferGenerateMipmapSGISForPowerOfTwo() const { return _preferGenerateMipmapSGISForPowerOfTwo; }
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void setTextureMultisampledSupported(bool flag) { _isTextureMultisampledSupported=flag; }
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bool isTextureMultisampledSupported() const { return _isTextureMultisampledSupported; }
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void setShadowSupported(bool flag) { _isShadowSupported = flag; }
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bool isShadowSupported() const { return _isShadowSupported; }
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void setShadowAmbientSupported(bool flag) { _isShadowAmbientSupported = flag; }
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bool isShadowAmbientSupported() const { return _isShadowAmbientSupported; }
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void setTextureMaxLevelSupported(bool flag) { _isTextureMaxLevelSupported = flag; }
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bool isTextureMaxLevelSupported() const { return _isTextureMaxLevelSupported; }
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void setMaxTextureSize(GLint maxsize) { _maxTextureSize=maxsize; }
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GLint maxTextureSize() const { return _maxTextureSize; }
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bool isTexStorage2DSupported() const { return _glTexStorage2D != 0; }
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bool isTexStorageEnabled() const { return _isTextureStorageEnabled; }
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bool isCompressedTexImage2DSupported() const { return _glCompressedTexImage2D!=0; }
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bool isCompressedTexSubImage2DSupported() const { return _glCompressedTexSubImage2D!=0; }
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bool isClientStorageSupported() const { return _isClientStorageSupported; }
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bool isNonPowerOfTwoTextureSupported(GLenum filter) const
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{
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return (filter==GL_LINEAR || filter==GL_NEAREST) ?
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_isNonPowerOfTwoTextureNonMipMappedSupported :
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_isNonPowerOfTwoTextureMipMappedSupported;
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}
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void setTextureIntegerSupported(bool flag) { _isTextureIntegerEXTSupported=flag; }
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bool isTextureIntegerSupported() const { return _isTextureIntegerEXTSupported; }
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bool isBindImageTextureSupported() const { return _glBindImageTexture!=0; }
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void glTexStorage2D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) const
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{
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_glTexStorage2D(target, levels, internalformat, width, height);
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}
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void glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data) const
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{
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_glCompressedTexImage2D(target, level, internalformat, width, height, border, imageSize, data);
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}
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void glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data) const
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{
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_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data);
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}
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void glGetCompressedTexImage(GLenum target, GLint level, GLvoid *data) const
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{
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_glGetCompressedTexImage(target, level, data);
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}
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void glTexImage2DMultisample(GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations) const
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{
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_glTexImage2DMultisample(target, samples, internalformat, width, height, fixedsamplelocations);
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}
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void glTexParameterIiv(GLenum target, GLenum pname, const GLint* data) const
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{
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_glTexParameterIiv(target, pname, data);
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}
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void glTexParameterIuiv(GLenum target, GLenum pname, const GLuint* data) const
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{
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_glTexParameterIuiv(target, pname, data);
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}
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// ARB_shader_image_load_store
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void glBindImageTexture(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format) const
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{
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_glBindImageTexture(unit, texture, level, layered, layer, access, format);
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}
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protected:
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~Extensions() {}
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typedef void (GL_APIENTRY * TexStorage2DArbProc) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
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typedef void (GL_APIENTRY * CompressedTexImage2DArbProc) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
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typedef void (GL_APIENTRY * CompressedTexSubImage2DArbProc) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
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typedef void (GL_APIENTRY * GetCompressedTexImageArbProc) (GLenum target, GLint level, GLvoid *data);
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typedef void (GL_APIENTRY * TexImage2DMultisample)(GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations);
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typedef void (GL_APIENTRY * TexParameterIivProc)(GLenum target, GLenum pname, const GLint* data);
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typedef void (GL_APIENTRY * TexParameterIuivProc)(GLenum target, GLenum pname, const GLuint* data);
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typedef void (GL_APIENTRY * BindImageTextureProc)( GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format );
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CompressedTexImage2DArbProc _glCompressedTexImage2D;
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CompressedTexSubImage2DArbProc _glCompressedTexSubImage2D;
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GetCompressedTexImageArbProc _glGetCompressedTexImage;
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TexImage2DMultisample _glTexImage2DMultisample;
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TexParameterIivProc _glTexParameterIiv;
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TexParameterIuivProc _glTexParameterIuiv;
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// ARB_shader_image_load_store
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BindImageTextureProc _glBindImageTexture;
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// ARB_texture_storage
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TexStorage2DArbProc _glTexStorage2D;
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bool _isMultiTexturingSupported;
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bool _isTextureFilterAnisotropicSupported;
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bool _isTextureSwizzleSupported;
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bool _isTextureCompressionARBSupported;
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bool _isTextureCompressionS3TCSupported;
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bool _isTextureCompressionPVRTC2BPPSupported;
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bool _isTextureCompressionPVRTC4BPPSupported;
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bool _isTextureCompressionETCSupported;
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bool _isTextureCompressionETC2Supported;
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bool _isTextureCompressionRGTCSupported;
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bool _isTextureCompressionPVRTCSupported;
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bool _isTextureMirroredRepeatSupported;
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bool _isTextureEdgeClampSupported;
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bool _isTextureBorderClampSupported;
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bool _isGenerateMipMapSupported;
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bool _preferGenerateMipmapSGISForPowerOfTwo;
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bool _isTextureMultisampledSupported;
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bool _isShadowSupported;
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bool _isShadowAmbientSupported;
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bool _isClientStorageSupported;
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bool _isNonPowerOfTwoTextureMipMappedSupported;
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bool _isNonPowerOfTwoTextureNonMipMappedSupported;
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bool _isTextureIntegerEXTSupported;
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bool _isTextureMaxLevelSupported;
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bool _isTextureStorageEnabled;
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GLint _maxTextureSize;
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};
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/** Gets the extension for the specified context. Creates the
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* Extensions object for that context if it doesn't exist.
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* Returns NULL if the Extensions object for the context doesn't
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* exist and the createIfNotInitalized flag is false. */
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static Extensions* getExtensions(unsigned int contextID,bool createIfNotInitalized);
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/** Overrides Extensions objects across graphics contexts. Typically
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* used to ensure the same lowest common denominator of extensions
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* on systems with different graphics pipes. */
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static void setExtensions(unsigned int contextID,Extensions* extensions);
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/** Determine whether the given internalFormat is a compressed
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* image format. */
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static bool isCompressedInternalFormat(GLint internalFormat);
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