mirror of
https://github.com/reactos/reactos.git
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174 lines
5.5 KiB
C
174 lines
5.5 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 7.1
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef IMAGE_H
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#define IMAGE_H
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#include "glheader.h"
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struct gl_context;
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struct gl_pixelstore_attrib;
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extern void
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_mesa_swap2( GLushort *p, GLuint n );
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extern void
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_mesa_swap4( GLuint *p, GLuint n );
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extern GLboolean
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_mesa_type_is_packed(GLenum type);
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extern GLint
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_mesa_sizeof_type( GLenum type );
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extern GLint
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_mesa_sizeof_packed_type( GLenum type );
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extern GLint
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_mesa_components_in_format( GLenum format );
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extern GLint
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_mesa_bytes_per_pixel( GLenum format, GLenum type );
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extern GLenum
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_mesa_error_check_format_and_type(const struct gl_context *ctx,
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GLenum format, GLenum type);
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extern GLboolean
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_mesa_is_color_format(GLenum format);
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extern GLboolean
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_mesa_is_depth_format(GLenum format);
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extern GLboolean
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_mesa_is_stencil_format(GLenum format);
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extern GLboolean
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_mesa_is_ycbcr_format(GLenum format);
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extern GLboolean
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_mesa_is_depth_or_stencil_format(GLenum format);
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extern GLboolean
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_mesa_is_integer_format(GLenum format);
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extern GLboolean
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_mesa_base_format_has_channel(GLenum base_format, GLenum pname);
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extern GLintptr
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_mesa_image_offset( GLuint dimensions,
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const struct gl_pixelstore_attrib *packing,
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GLsizei width, GLsizei height,
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GLenum format, GLenum type,
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GLint img, GLint row, GLint column );
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extern GLvoid *
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_mesa_image_address( GLuint dimensions,
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const struct gl_pixelstore_attrib *packing,
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const GLvoid *image,
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GLsizei width, GLsizei height,
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GLenum format, GLenum type,
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GLint img, GLint row, GLint column );
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extern GLvoid *
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_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
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const GLvoid *image,
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GLsizei width,
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GLenum format, GLenum type,
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GLint column );
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extern GLvoid *
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_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
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const GLvoid *image,
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GLsizei width, GLsizei height,
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GLenum format, GLenum type,
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GLint row, GLint column );
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extern GLvoid *
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_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
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const GLvoid *image,
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GLsizei width, GLsizei height,
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GLenum format, GLenum type,
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GLint img, GLint row, GLint column );
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extern GLint
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_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
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GLint width, GLenum format, GLenum type );
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extern GLint
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_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
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GLint width, GLint height,
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GLenum format, GLenum type );
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extern void
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_mesa_expand_bitmap(GLsizei width, GLsizei height,
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const struct gl_pixelstore_attrib *unpack,
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const GLubyte *bitmap,
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GLubyte *destBuffer, GLint destStride,
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GLubyte onValue);
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extern void
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_mesa_convert_colors(GLenum srcType, const GLvoid *src,
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GLenum dstType, GLvoid *dst,
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GLuint count, const GLubyte mask[]);
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extern GLboolean
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_mesa_clip_drawpixels(const struct gl_context *ctx,
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GLint *destX, GLint *destY,
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GLsizei *width, GLsizei *height,
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struct gl_pixelstore_attrib *unpack);
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extern GLboolean
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_mesa_clip_readpixels(const struct gl_context *ctx,
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GLint *srcX, GLint *srcY,
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GLsizei *width, GLsizei *height,
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struct gl_pixelstore_attrib *pack);
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extern GLboolean
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_mesa_clip_copytexsubimage(const struct gl_context *ctx,
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GLint *destX, GLint *destY,
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GLint *srcX, GLint *srcY,
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GLsizei *width, GLsizei *height);
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extern GLboolean
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_mesa_clip_to_region(GLint xmin, GLint ymin,
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GLint xmax, GLint ymax,
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GLint *x, GLint *y,
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GLsizei *width, GLsizei *height );
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extern GLboolean
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_mesa_clip_blit(struct gl_context *ctx,
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GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
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GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1);
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#endif
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