i830_context.c revision 744357e29c6a51b9e1770e0340eee5105f6b5585
1/************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * 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 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "i830_context.h" 29#include "imports.h" 30#include "texmem.h" 31#include "intel_tex.h" 32#include "tnl/tnl.h" 33#include "tnl/t_vertex.h" 34#include "tnl/t_context.h" 35#include "tnl/t_pipeline.h" 36#include "utils.h" 37#include "intel_span.h" 38#include "intel_pixel.h" 39#include "intel_tris.h" 40 41/*************************************** 42 * Mesa's Driver Functions 43 ***************************************/ 44 45static const struct dri_extension i830_extensions[] = { 46 {"GL_ARB_texture_env_crossbar", NULL}, 47 {NULL, NULL} 48}; 49 50 51static void 52i830InitDriverFunctions(struct dd_function_table *functions) 53{ 54 intelInitDriverFunctions(functions); 55 i830InitStateFuncs(functions); 56 i830InitTextureFuncs(functions); 57} 58 59extern const struct tnl_pipeline_stage *intel_pipeline[]; 60 61GLboolean 62i830CreateContext(const __GLcontextModes * mesaVis, 63 __DRIcontextPrivate * driContextPriv, 64 void *sharedContextPrivate) 65{ 66 struct dd_function_table functions; 67 struct i830_context *i830 = CALLOC_STRUCT(i830_context); 68 struct intel_context *intel = &i830->intel; 69 GLcontext *ctx = &intel->ctx; 70 if (!i830) 71 return GL_FALSE; 72 73 i830InitVtbl(i830); 74 i830InitDriverFunctions(&functions); 75 76 if (!intelInitContext(intel, mesaVis, driContextPriv, 77 sharedContextPrivate, &functions)) { 78 FREE(i830); 79 return GL_FALSE; 80 } 81 82 /* Initialize swrast, tnl driver tables: */ 83 intelInitSpanFuncs(ctx); 84 intelInitTriFuncs(ctx); 85 86 /* Install the customized pipeline: */ 87 _tnl_destroy_pipeline(ctx); 88 _tnl_install_pipeline(ctx, intel_pipeline); 89 90 intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS; 91 intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS; 92 intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS; 93 94 /* Advertise the full hardware capabilities. The new memory 95 * manager should cope much better with overload situations: 96 */ 97 ctx->Const.MaxTextureLevels = 12; 98 ctx->Const.Max3DTextureLevels = 9; 99 ctx->Const.MaxCubeTextureLevels = 11; 100 ctx->Const.MaxTextureRectSize = (1 << 11); 101 ctx->Const.MaxTextureUnits = I830_TEX_UNITS; 102 103 _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12, 104 18 * sizeof(GLfloat)); 105 106 intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf; 107 108 driInitExtensions(ctx, i830_extensions, GL_FALSE); 109 110 i830InitState(i830); 111 i830InitMetaFuncs(i830); 112 113 _tnl_allow_vertex_fog(ctx, 1); 114 _tnl_allow_pixel_fog(ctx, 0); 115 116 return GL_TRUE; 117} 118