image.c File Reference

#include "glheader.h"
#include "colormac.h"
#include "context.h"
#include "image.h"
#include "imports.h"
#include "macros.h"
#include "pixel.h"

Go to the source code of this file.

Defines
#define	BYTE_TO_FLOAT(B)   ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F)))
#define	SHORT_TO_FLOAT(S)   ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)))
#define	CEILING(A, B)   ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
Functions
GLboolean	_mesa_type_is_packed (GLenum type)
static void	flip_bytes (GLubyte *p, GLuint n)
void	_mesa_swap2 (GLushort *p, GLuint n)
void	_mesa_swap4 (GLuint *p, GLuint n)
GLint	_mesa_sizeof_type (GLenum type)
GLint	_mesa_sizeof_packed_type (GLenum type)
GLint	_mesa_components_in_format (GLenum format)
GLint	_mesa_bytes_per_pixel (GLenum format, GLenum type)
GLboolean	_mesa_is_legal_format_and_type (GLcontext *ctx, GLenum format, GLenum type)
GLvoid *	_mesa_image_address (GLuint dimensions, const struct gl_pixelstore_attrib *packing, const GLvoid *image, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint img, GLint row, GLint column)
GLvoid *	_mesa_image_address1d (const struct gl_pixelstore_attrib *packing, const GLvoid *image, GLsizei width, GLenum format, GLenum type, GLint column)
GLvoid *	_mesa_image_address2d (const struct gl_pixelstore_attrib *packing, const GLvoid *image, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint row, GLint column)
GLvoid *	_mesa_image_address3d (const struct gl_pixelstore_attrib *packing, const GLvoid *image, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint img, GLint row, GLint column)
GLint	_mesa_image_row_stride (const struct gl_pixelstore_attrib *packing, GLint width, GLenum format, GLenum type)
void	_mesa_convert_colors (GLenum srcType, const GLvoid *src, GLenum dstType, GLvoid *dst, GLuint count, const GLubyte mask[])
GLboolean	_mesa_clip_drawpixels (const GLcontext *ctx, GLint *destX, GLint *destY, GLsizei *width, GLsizei *height, struct gl_pixelstore_attrib *unpack)
GLboolean	_mesa_clip_readpixels (const GLcontext *ctx, GLint *srcX, GLint *srcY, GLsizei *width, GLsizei *height, struct gl_pixelstore_attrib *pack)
GLboolean	_mesa_clip_copytexsubimage (const GLcontext *ctx, GLint *destX, GLint *destY, GLint *srcX, GLint *srcY, GLsizei *width, GLsizei *height)
GLboolean	_mesa_clip_to_region (GLint xmin, GLint ymin, GLint xmax, GLint ymax, GLint *x, GLint *y, GLsizei *width, GLsizei *height)