/* * 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 GLboolean _mesa_is_color_format(GLenum format); extern GLboolean _mesa_is_index_format(GLenum format); extern GLboolean _mesa_is_depth_format(GLenum format); extern GLboolean _mesa_is_stencil_format(GLenum format); extern GLboolean _mesa_is_ycbcr_format(GLenum format); extern GLboolean _mesa_is_depthstencil_format(GLenum format); extern GLboolean _mesa_is_dudv_format(GLenum format); 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 ); extern void _mesa_expand_bitmap(GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap, GLubyte *destBuffer, GLint destStride, GLubyte onValue); /** \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 ); extern GLboolean _mesa_clip_blit(GLcontext *ctx, GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1, GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1); #endif