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
);
52 extern const struct tnl_pipeline_stage
*intel_pipeline
[];
55 i830CreateContext(const __GLcontextModes
* mesaVis
,
56 __DRIcontextPrivate
* driContextPriv
,
57 void *sharedContextPrivate
)
59 struct dd_function_table functions
;
60 struct i830_context
*i830
= CALLOC_STRUCT(i830_context
);
61 struct intel_context
*intel
= &i830
->intel
;
62 GLcontext
*ctx
= &intel
->ctx
;
67 i830InitDriverFunctions(&functions
);
69 if (!intelInitContext(intel
, mesaVis
, driContextPriv
,
70 sharedContextPrivate
, &functions
)) {
75 _math_matrix_ctr(&intel
->ViewportMatrix
);
77 /* Initialize swrast, tnl driver tables: */
78 intelInitSpanFuncs(ctx
);
79 intelInitTriFuncs(ctx
);
81 /* Install the customized pipeline: */
82 _tnl_destroy_pipeline(ctx
);
83 _tnl_install_pipeline(ctx
, intel_pipeline
);
86 FALLBACK(intel
, INTEL_FALLBACK_USER
, 1);
88 intel
->ctx
.Const
.MaxTextureUnits
= I830_TEX_UNITS
;
89 intel
->ctx
.Const
.MaxTextureImageUnits
= I830_TEX_UNITS
;
90 intel
->ctx
.Const
.MaxTextureCoordUnits
= I830_TEX_UNITS
;
92 /* Advertise the full hardware capabilities. The new memory
93 * manager should cope much better with overload situations:
95 ctx
->Const
.MaxTextureLevels
= 12;
96 ctx
->Const
.Max3DTextureLevels
= 9;
97 ctx
->Const
.MaxCubeTextureLevels
= 11;
98 ctx
->Const
.MaxTextureRectSize
= (1 << 11);
99 ctx
->Const
.MaxTextureUnits
= I830_TEX_UNITS
;
101 ctx
->Const
.MaxDrawBuffers
= 1;
103 _tnl_init_vertices(ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
104 18 * sizeof(GLfloat
));
106 intel
->verts
= TNL_CONTEXT(ctx
)->clipspace
.vertex_buf
;
109 i830InitMetaFuncs(i830
);
111 _tnl_allow_vertex_fog(ctx
, 1);
112 _tnl_allow_pixel_fog(ctx
, 0);