1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5 * Copyright (C) 2009-2010 VMware, Inc. All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 27 #ifndef PIXELTRANSFER_H 28 #define PIXELTRANSFER_H 29 30 31 #include "glheader.h" 32 33 struct gl_context; 34 35 36 extern void 37 _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4], 38 GLfloat rScale, GLfloat gScale, 39 GLfloat bScale, GLfloat aScale, 40 GLfloat rBias, GLfloat gBias, 41 GLfloat bBias, GLfloat aBias); 42 43 extern void 44 _mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]); 45 46 extern void 47 _mesa_map_ci_to_rgba(const struct gl_context *ctx, 48 GLuint n, const GLuint index[], GLfloat rgba[][4]); 49 50 51 extern void 52 _mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n, 53 GLfloat depthValues[]); 54 55 extern void 56 _mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n, 57 GLuint depthValues[]); 58 59 extern void 60 _mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps, 61 GLuint n, GLfloat rgba[][4]); 62 63 extern void 64 _mesa_shift_and_offset_ci(const struct gl_context *ctx, 65 GLuint n, GLuint indexes[]); 66 67 extern void 68 _mesa_apply_ci_transfer_ops(const struct gl_context *ctx, 69 GLbitfield transferOps, 70 GLuint n, GLuint indexes[]); 71 72 73 extern void 74 _mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n, 75 GLubyte stencil[]); 76 77 78 #endif 79