1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #include "i830_context.h"
29 #include "main/api_exec.h"
30 #include "main/imports.h"
31 #include "main/version.h"
32 #include "main/vtxfmt.h"
34 #include "tnl/t_vertex.h"
35 #include "tnl/t_context.h"
36 #include "tnl/t_pipeline.h"
37 #include "intel_span.h"
38 #include "intel_tris.h"
39 #include "../glsl/ralloc.h"
41 /***************************************
42 * Mesa's Driver Functions
43 ***************************************/
46 i830InitDriverFunctions(struct dd_function_table *functions)
48 intelInitDriverFunctions(functions);
49 i830InitStateFuncs(functions);
52 extern const struct tnl_pipeline_stage *intel_pipeline[];
55 i830CreateContext(const struct gl_config * mesaVis,
56 __DRIcontext * driContextPriv,
57 void *sharedContextPrivate)
59 struct dd_function_table functions;
60 struct i830_context *i830 = rzalloc(NULL, struct i830_context);
61 struct intel_context *intel = &i830->intel;
62 struct gl_context *ctx = &intel->ctx;
67 i830InitDriverFunctions(&functions);
69 if (!intelInitContext(intel, __DRI_API_OPENGL, mesaVis, driContextPriv,
70 sharedContextPrivate, &functions)) {
75 intel_init_texture_formats(ctx);
77 _math_matrix_ctr(&intel->ViewportMatrix);
79 /* Initialize swrast, tnl driver tables: */
80 intelInitSpanFuncs(ctx);
81 intelInitTriFuncs(ctx);
83 /* Install the customized pipeline: */
84 _tnl_destroy_pipeline(ctx);
85 _tnl_install_pipeline(ctx, intel_pipeline);
88 FALLBACK(intel, INTEL_FALLBACK_USER, 1);
90 intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
91 intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS;
92 intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS;
94 /* Advertise the full hardware capabilities. The new memory
95 * manager should cope much better with overload situations:
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;
103 ctx->Const.MaxTextureMaxAnisotropy = 2.0;
105 ctx->Const.MaxDrawBuffers = 1;
107 _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12,
108 18 * sizeof(GLfloat));
110 intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
114 _tnl_allow_vertex_fog(ctx, 1);
115 _tnl_allow_pixel_fog(ctx, 0);
117 _mesa_compute_version(ctx);
119 _mesa_initialize_exec_table(ctx);
120 _mesa_initialize_vbo_vtxfmt(ctx);