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/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef IMAGE_H
#define IMAGE_H
#include "mtypes.h"
extern void
_mesa_swap2( GLushort *p, GLuint n );
extern void
_mesa_swap4( GLuint *p, GLuint n );
extern GLboolean
_mesa_type_is_packed(GLenum type);
extern GLint
_mesa_sizeof_type( GLenum type );
extern GLint
_mesa_sizeof_packed_type( GLenum type );
extern GLint
_mesa_components_in_format( GLenum format );
extern GLint
_mesa_bytes_per_pixel( GLenum format, GLenum type );
extern GLboolean
_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type );
extern 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 );
extern GLvoid *
_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width,
GLenum format, GLenum type,
GLint column );
extern 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 );
extern 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 );
extern GLint
_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLenum format, GLenum type );
extern GLint
_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLint height,
GLenum format, GLenum type );
extern void
_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
const struct gl_pixelstore_attrib *unpacking );
extern void
_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
const struct gl_pixelstore_attrib *packing );
extern GLvoid *
_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
const struct gl_pixelstore_attrib *packing );
extern void
_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing );
/** \name Pixel processing functions */
/*@{*/
extern void
_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias);
extern void
_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_float(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
GLuint n, GLubyte rgba[][4]);
extern void
_mesa_map_ci_to_rgba(const GLcontext *ctx,
GLuint n, const GLuint index[], GLfloat rgba[][4]);
extern void
_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
GLubyte rgba[][4]);
extern void
_mesa_scale_and_bias_depth(const GLcontext *ctx, GLuint n,
GLfloat depthValues[]);
extern void
_mesa_scale_and_bias_depth_uint(const GLcontext *ctx, GLuint n,
GLuint depthValues[]);
extern void
_mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLbitfield transferOps,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_apply_ci_transfer_ops(const GLcontext *ctx, GLbitfield transferOps,
GLuint n, GLuint indexes[]);
extern void
_mesa_apply_stencil_transfer_ops(const GLcontext *ctx, GLuint n,
GLstencil stencil[]);
extern void
_mesa_pack_rgba_span_float( GLcontext *ctx, GLuint n, GLfloat rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_chan( GLcontext *ctx,
GLuint n, GLenum dstFormat, GLchan dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_float( GLcontext *ctx,
GLuint n, GLenum dstFormat, GLfloat dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_dudv_span_byte( GLcontext *ctx,
GLuint n, GLenum dstFormat, GLbyte dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_index_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLuint *source,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLstencil *source,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest, GLuint depthMax,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking );
extern void
_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest,
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_pack_depth_stencil_span(const GLcontext *ctx, GLuint n, GLuint *dest,
const GLfloat *depthVals,
const GLstencil *stencilVals,
const struct gl_pixelstore_attrib *dstPacking);
extern void *
_mesa_unpack_image( GLuint dimensions,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack );
extern void
_mesa_convert_colors(GLenum srcType, const GLvoid *src,
GLenum dstType, GLvoid *dst,
GLuint count, const GLubyte mask[]);
extern GLboolean
_mesa_clip_drawpixels(const GLcontext *ctx,
GLint *destX, GLint *destY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *unpack);
extern GLboolean
_mesa_clip_readpixels(const GLcontext *ctx,
GLint *destX, GLint *destY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *pack);
extern GLboolean
_mesa_clip_copytexsubimage(const GLcontext *ctx,
GLint *destX, GLint *destY,
GLint *srcX, GLint *srcY,
GLsizei *width, GLsizei *height);
extern GLboolean
_mesa_clip_to_region(GLint xmin, GLint ymin,
GLint xmax, GLint ymax,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height );
#endif
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