1848b8605Smrg/* 2848b8605Smrg * Mesa 3-D graphics library 3848b8605Smrg * 4848b8605Smrg * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5848b8605Smrg * 6848b8605Smrg * Permission is hereby granted, free of charge, to any person obtaining a 7848b8605Smrg * copy of this software and associated documentation files (the "Software"), 8848b8605Smrg * to deal in the Software without restriction, including without limitation 9848b8605Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10848b8605Smrg * and/or sell copies of the Software, and to permit persons to whom the 11848b8605Smrg * Software is furnished to do so, subject to the following conditions: 12848b8605Smrg * 13848b8605Smrg * The above copyright notice and this permission notice shall be included 14848b8605Smrg * in all copies or substantial portions of the Software. 15848b8605Smrg * 16848b8605Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17848b8605Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18848b8605Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19848b8605Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20848b8605Smrg * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21848b8605Smrg * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22848b8605Smrg * OTHER DEALINGS IN THE SOFTWARE. 23848b8605Smrg */ 24848b8605Smrg 25848b8605Smrg 26848b8605Smrg#ifndef READPIXELS_H 27848b8605Smrg#define READPIXELS_H 28848b8605Smrg 29848b8605Smrg 30848b8605Smrg#include "glheader.h" 31848b8605Smrg 32848b8605Smrgstruct gl_context; 33848b8605Smrgstruct gl_pixelstore_attrib; 34848b8605Smrg 35848b8605Smrg 36848b8605Smrgextern GLboolean 37848b8605Smrg_mesa_readpixels_needs_slow_path(const struct gl_context *ctx, GLenum format, 38848b8605Smrg GLenum type, GLboolean uses_blit); 39848b8605Smrg 40b8e80941Smrgextern GLboolean 41b8e80941Smrg_mesa_need_rgb_to_luminance_conversion(GLenum srcBaseFormat, 42b8e80941Smrg GLenum dstBaseFormat); 43b8e80941Smrg 44b8e80941Smrgextern GLboolean 45b8e80941Smrg_mesa_need_luminance_to_rgb_conversion(GLenum srcBaseFormat, 46b8e80941Smrg GLenum dstBaseFormat); 47b8e80941Smrg 48b8e80941Smrgextern GLbitfield 49b8e80941Smrg_mesa_get_readpixels_transfer_ops(const struct gl_context *ctx, 50b8e80941Smrg mesa_format texFormat, 51b8e80941Smrg GLenum format, GLenum type, 52b8e80941Smrg GLboolean uses_blit); 53b8e80941Smrg 54848b8605Smrgextern void 55848b8605Smrg_mesa_readpixels(struct gl_context *ctx, 56848b8605Smrg GLint x, GLint y, GLsizei width, GLsizei height, 57848b8605Smrg GLenum format, GLenum type, 58848b8605Smrg const struct gl_pixelstore_attrib *packing, 59848b8605Smrg GLvoid *pixels); 60848b8605Smrg 61b8e80941Smrgvoid GLAPIENTRY 62b8e80941Smrg_mesa_ReadPixels_no_error(GLint x, GLint y, GLsizei width, GLsizei height, 63b8e80941Smrg GLenum format, GLenum type, GLvoid *pixels); 64b8e80941Smrg 65848b8605Smrgextern void GLAPIENTRY 66848b8605Smrg_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height, 67848b8605Smrg GLenum format, GLenum type, GLvoid *pixels ); 68848b8605Smrg 69b8e80941Smrgvoid GLAPIENTRY 70b8e80941Smrg_mesa_ReadnPixelsARB_no_error(GLint x, GLint y, GLsizei width, GLsizei height, 71b8e80941Smrg GLenum format, GLenum type, GLsizei bufSize, 72b8e80941Smrg GLvoid *pixels); 73b8e80941Smrg 74848b8605Smrgextern void GLAPIENTRY 75848b8605Smrg_mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, 76848b8605Smrg GLenum format, GLenum type, GLsizei bufSize, 77848b8605Smrg GLvoid *pixels ); 78848b8605Smrg 79848b8605Smrg#endif 80