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 "intel_tex.h"
33 #include "tnl/t_vertex.h"
34 #include "tnl/t_context.h"
35 #include "tnl/t_pipeline.h"
37 #include "intel_span.h"
38 #include "intel_pixel.h"
39 #include "intel_tris.h"
41 /***************************************
42 * Mesa's Driver Functions
43 ***************************************/
46 i830InitDriverFunctions(struct dd_function_table
*functions
)
48 intelInitDriverFunctions(functions
);
49 i830InitStateFuncs(functions
);
50 i830InitTextureFuncs(functions
);
53 extern const struct tnl_pipeline_stage
*intel_pipeline
[];
56 i830CreateContext(const __GLcontextModes
* mesaVis
,
57 __DRIcontextPrivate
* driContextPriv
,
58 void *sharedContextPrivate
)
60 struct dd_function_table functions
;
61 struct i830_context
*i830
= CALLOC_STRUCT(i830_context
);
62 struct intel_context
*intel
= &i830
->intel
;
63 GLcontext
*ctx
= &intel
->ctx
;
68 i830InitDriverFunctions(&functions
);
70 if (!intelInitContext(intel
, mesaVis
, driContextPriv
,
71 sharedContextPrivate
, &functions
)) {
76 /* Initialize swrast, tnl driver tables: */
77 intelInitSpanFuncs(ctx
);
78 intelInitTriFuncs(ctx
);
80 /* Install the customized pipeline: */
81 _tnl_destroy_pipeline(ctx
);
82 _tnl_install_pipeline(ctx
, intel_pipeline
);
85 FALLBACK(intel
, INTEL_FALLBACK_USER
, 1);
87 intel
->ctx
.Const
.MaxTextureUnits
= I830_TEX_UNITS
;
88 intel
->ctx
.Const
.MaxTextureImageUnits
= I830_TEX_UNITS
;
89 intel
->ctx
.Const
.MaxTextureCoordUnits
= I830_TEX_UNITS
;
91 /* Advertise the full hardware capabilities. The new memory
92 * manager should cope much better with overload situations:
94 ctx
->Const
.MaxTextureLevels
= 12;
95 ctx
->Const
.Max3DTextureLevels
= 9;
96 ctx
->Const
.MaxCubeTextureLevels
= 11;
97 ctx
->Const
.MaxTextureRectSize
= (1 << 11);
98 ctx
->Const
.MaxTextureUnits
= I830_TEX_UNITS
;
100 _tnl_init_vertices(ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
101 18 * sizeof(GLfloat
));
103 intel
->verts
= TNL_CONTEXT(ctx
)->clipspace
.vertex_buf
;
106 i830InitMetaFuncs(i830
);
108 _tnl_allow_vertex_fog(ctx
, 1);
109 _tnl_allow_pixel_fog(ctx
, 0);