1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26 #ifndef STATE_H 27 #define STATE_H 28 29 #include "mtypes.h" 30 31 extern void 32 _mesa_update_state(struct gl_context *ctx); 33 34 /* As above but can only be called between _mesa_lock_context_textures() and 35 * _mesa_unlock_context_textures(). 36 */ 37 extern void 38 _mesa_update_state_locked(struct gl_context *ctx); 39 40 41 extern void 42 _mesa_set_varying_vp_inputs(struct gl_context *ctx, GLbitfield64 varying_inputs); 43 44 45 extern void 46 _mesa_set_vp_override(struct gl_context *ctx, GLboolean flag); 47 48 49 /** 50 * Is the secondary color needed? 51 */ 52 static inline GLboolean 53 _mesa_need_secondary_color(const struct gl_context *ctx) 54 { 55 if (ctx->Light.Enabled && 56 ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) 57 return GL_TRUE; 58 59 if (ctx->Fog.ColorSumEnabled) 60 return GL_TRUE; 61 62 if (ctx->VertexProgram._Current && 63 (ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) && 64 (ctx->VertexProgram._Current->info.inputs_read & VERT_BIT_COLOR1)) 65 return GL_TRUE; 66 67 if (ctx->FragmentProgram._Current && 68 (ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) && 69 (ctx->FragmentProgram._Current->info.inputs_read & VARYING_BIT_COL1)) 70 return GL_TRUE; 71 72 return GL_FALSE; 73 } 74 75 #endif 76
