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Diffstat (limited to 'mesalib/src/mesa/main/image.h')
-rw-r--r-- | mesalib/src/mesa/main/image.h | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/image.h b/mesalib/src/mesa/main/image.h new file mode 100644 index 000000000..72717d678 --- /dev/null +++ b/mesalib/src/mesa/main/image.h @@ -0,0 +1,328 @@ +/* + * 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 |