| /* |
| * 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_depth_or_stencil_format(GLenum format); |
| |
| extern GLboolean |
| _mesa_is_dudv_format(GLenum format); |
| |
| extern GLboolean |
| _mesa_is_integer_format(GLenum format); |
| |
| extern GLboolean |
| _mesa_is_compressed_format(GLcontext *ctx, 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 *srcX, GLint *srcY, |
| 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 |