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Refactored Texture::Extensions to simplify it and make it more efficient.

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This commit is contained in:
Robert Osfield
2010-03-15 10:32:03 +00:00
parent bc9b28a0c9
commit 9015ff7084
2 changed files with 39 additions and 154 deletions
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66
include/osg/Texture
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@@ -614,18 +614,12 @@ class OSG_EXPORT Texture : public osg::StateAttribute
public:
Extensions(unsigned int contextID);
Extensions(const Extensions& rhs);
void lowestCommonDenominator(const Extensions& rhs);
void setupGLExtensions(unsigned int contextID);
void setMultiTexturingSupported(bool flag) { _isMultiTexturingSupported=flag; }
bool isMultiTexturingSupported() const { return _isMultiTexturingSupported; }
void setTextureFilterAnisotropicSupported(bool flag) { _isTextureFilterAnisotropicSupported=flag; }
bool isTextureFilterAnisotropicSupported() const { return _isTextureFilterAnisotropicSupported; }
void setTextureCompressionARBSupported(bool flag) { _isTextureCompressionARBSupported=flag; }
bool isTextureCompressionARBSupported() const { return _isTextureCompressionARBSupported; }
@@ -662,10 +656,6 @@ class OSG_EXPORT Texture : public osg::StateAttribute
bool isCompressedTexImage2DSupported() const { return _glCompressedTexImage2D!=0; }
bool isCompressedTexSubImage2DSupported() const { return _glCompressedTexSubImage2D!=0; }
void glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data) const;
void glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei type, const GLvoid *data) const;
void glGetCompressedTexImage(GLenum target, GLint level, GLvoid *data) const;
bool isClientStorageSupported() const { return _isClientStorageSupported; }
bool isNonPowerOfTwoTextureSupported(GLenum filter) const
@@ -678,13 +668,48 @@ class OSG_EXPORT Texture : public osg::StateAttribute
void setTextureIntegerSupported(bool flag) { _isTextureIntegerEXTSupported=flag; }
bool isTextureIntegerSupported() const { return _isTextureIntegerEXTSupported; }
void glTexParameterIiv(GLenum target, GLenum pname, const GLint* data) const;
void glTexParameterIuiv(GLenum target, GLenum pname, const GLuint* data) const;
void glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data) const
{
_glCompressedTexImage2D(target, level, internalformat, width, height, border, imageSize, data);
}
void glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data) const
{
_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data);
}
void glGetCompressedTexImage(GLenum target, GLint level, GLvoid *data) const
{
_glGetCompressedTexImage(target, level, data);
}
void glTexParameterIiv(GLenum target, GLenum pname, const GLint* data) const
{
glTexParameterIiv(target, pname, data);
}
void glTexParameterIuiv(GLenum target, GLenum pname, const GLuint* data) const
{
glTexParameterIuiv(target, pname, data);
}
protected:
~Extensions() {}
typedef void (APIENTRY * CompressedTexImage2DArbProc) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
typedef void (APIENTRY * CompressedTexSubImage2DArbProc) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
typedef void (APIENTRY * GetCompressedTexImageArbProc) (GLenum target, GLint level, GLvoid *data);
typedef void (APIENTRY * TexParameterIivProc)(GLenum target, GLenum pname, const GLint* data);
typedef void (APIENTRY * TexParameterIuivProc)(GLenum target, GLenum pname, const GLuint* data);
CompressedTexImage2DArbProc _glCompressedTexImage2D;
CompressedTexSubImage2DArbProc _glCompressedTexSubImage2D;
GetCompressedTexImageArbProc _glGetCompressedTexImage;
TexParameterIivProc _glTexParameterIiv;
TexParameterIuivProc _glTexParameterIuiv;
bool _isMultiTexturingSupported;
bool _isTextureFilterAnisotropicSupported;
bool _isTextureCompressionARBSupported;
@@ -703,19 +728,6 @@ class OSG_EXPORT Texture : public osg::StateAttribute
GLint _maxTextureSize;
GLint _numTextureUnits;
typedef void (APIENTRY * CompressedTexImage2DArbProc) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
typedef void (APIENTRY * CompressedTexSubImage2DArbProc) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
typedef void (APIENTRY * GetCompressedTexImageArbProc) (GLenum target, GLint level, GLvoid *data);
typedef void (APIENTRY * TexParameterIivProc)(GLenum target, GLenum pname, const GLint* data);
typedef void (APIENTRY * TexParameterIuivProc)(GLenum target, GLenum pname, const GLuint* data);
CompressedTexImage2DArbProc _glCompressedTexImage2D;
CompressedTexSubImage2DArbProc _glCompressedTexSubImage2D;
GetCompressedTexImageArbProc _glGetCompressedTexImage;
TexParameterIivProc _glTexParameterIiv;
TexParameterIuivProc _glTexParameterIuiv;
};
/** Gets the extension for the specified context. Creates the