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/imports.h"
31 #include "tnl/t_vertex.h"
32 #include "tnl/t_context.h"
33 #include "tnl/t_pipeline.h"
34 #include "intel_span.h"
35 #include "intel_tris.h"
36 #include "../glsl/ralloc.h"
38 /***************************************
39 * Mesa's Driver Functions
40 ***************************************/
43 i830InitDriverFunctions(struct dd_function_table
*functions
)
45 intelInitDriverFunctions(functions
);
46 i830InitStateFuncs(functions
);
49 extern const struct tnl_pipeline_stage
*intel_pipeline
[];
52 i830CreateContext(const struct gl_config
* mesaVis
,
53 __DRIcontext
* driContextPriv
,
54 void *sharedContextPrivate
)
56 struct dd_function_table functions
;
57 struct i830_context
*i830
= rzalloc(NULL
, struct i830_context
);
58 struct intel_context
*intel
= &i830
->intel
;
59 struct gl_context
*ctx
= &intel
->ctx
;
64 i830InitDriverFunctions(&functions
);
66 if (!intelInitContext(intel
, __DRI_API_OPENGL
, mesaVis
, driContextPriv
,
67 sharedContextPrivate
, &functions
)) {
72 _math_matrix_ctr(&intel
->ViewportMatrix
);
74 /* Initialize swrast, tnl driver tables: */
75 intelInitSpanFuncs(ctx
);
76 intelInitTriFuncs(ctx
);
78 /* Install the customized pipeline: */
79 _tnl_destroy_pipeline(ctx
);
80 _tnl_install_pipeline(ctx
, intel_pipeline
);
83 FALLBACK(intel
, INTEL_FALLBACK_USER
, 1);
85 intel
->ctx
.Const
.MaxTextureUnits
= I830_TEX_UNITS
;
86 intel
->ctx
.Const
.MaxTextureImageUnits
= I830_TEX_UNITS
;
87 intel
->ctx
.Const
.MaxTextureCoordUnits
= I830_TEX_UNITS
;
89 /* Advertise the full hardware capabilities. The new memory
90 * manager should cope much better with overload situations:
92 ctx
->Const
.MaxTextureLevels
= 12;
93 ctx
->Const
.Max3DTextureLevels
= 9;
94 ctx
->Const
.MaxCubeTextureLevels
= 11;
95 ctx
->Const
.MaxTextureRectSize
= (1 << 11);
96 ctx
->Const
.MaxTextureUnits
= I830_TEX_UNITS
;
98 ctx
->Const
.MaxTextureMaxAnisotropy
= 2.0;
100 ctx
->Const
.MaxDrawBuffers
= 1;
102 _tnl_init_vertices(ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
103 18 * sizeof(GLfloat
));
105 intel
->verts
= TNL_CONTEXT(ctx
)->clipspace
.vertex_buf
;
109 _tnl_allow_vertex_fog(ctx
, 1);
110 _tnl_allow_pixel_fog(ctx
, 0);