2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a 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, sublicense, 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
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "main/imports.h"
34 #include "main/api_noop.h"
35 #include "main/macros.h"
36 #include "main/vtxfmt.h"
37 #include "main/simple_list.h"
38 #include "shader/shader_api.h"
40 #include "brw_context.h"
41 #include "brw_defines.h"
43 #include "brw_state.h"
45 #include "intel_tex.h"
46 #include "intel_blit.h"
47 #include "intel_batchbuffer.h"
48 #include "intel_pixel.h"
49 #include "intel_span.h"
50 #include "tnl/t_pipeline.h"
55 /***************************************
56 * Mesa's Driver Functions
57 ***************************************/
59 static void brwUseProgram(GLcontext
*ctx
, GLuint program
)
61 _mesa_use_program(ctx
, program
);
64 static void brwInitProgFuncs( struct dd_function_table
*functions
)
66 functions
->UseProgram
= brwUseProgram
;
68 static void brwInitDriverFunctions( struct dd_function_table
*functions
)
70 intelInitDriverFunctions( functions
);
72 brwInitFragProgFuncs( functions
);
73 brwInitProgFuncs( functions
);
74 brw_init_queryobj_functions(functions
);
76 functions
->Viewport
= intel_viewport
;
79 GLboolean
brwCreateContext( const __GLcontextModes
*mesaVis
,
80 __DRIcontextPrivate
*driContextPriv
,
81 void *sharedContextPrivate
)
83 struct dd_function_table functions
;
84 struct brw_context
*brw
= (struct brw_context
*) CALLOC_STRUCT(brw_context
);
85 struct intel_context
*intel
= &brw
->intel
;
86 GLcontext
*ctx
= &intel
->ctx
;
89 _mesa_printf("%s: failed to alloc context\n", __FUNCTION__
);
94 brwInitDriverFunctions( &functions
);
96 if (!intelInitContext( intel
, mesaVis
, driContextPriv
,
97 sharedContextPrivate
, &functions
)) {
98 _mesa_printf("%s: failed to init intel context\n", __FUNCTION__
);
103 /* Initialize swrast, tnl driver tables: */
104 intelInitSpanFuncs(ctx
);
106 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
108 ctx
->Const
.MaxTextureImageUnits
= BRW_MAX_TEX_UNIT
;
109 ctx
->Const
.MaxTextureCoordUnits
= 8; /* Mesa limit */
110 ctx
->Const
.MaxTextureUnits
= MIN2(ctx
->Const
.MaxTextureCoordUnits
,
111 ctx
->Const
.MaxTextureImageUnits
);
112 ctx
->Const
.MaxVertexTextureImageUnits
= 0; /* no vertex shader textures */
114 /* Mesa limits textures to 4kx4k; it would be nice to fix that someday
116 ctx
->Const
.MaxTextureLevels
= 13;
117 ctx
->Const
.Max3DTextureLevels
= 9;
118 ctx
->Const
.MaxCubeTextureLevels
= 12;
119 ctx
->Const
.MaxTextureRectSize
= (1<<12);
121 /* if conformance mode is set, swrast can handle any size AA point */
122 ctx
->Const
.MaxPointSizeAA
= 255.0;
124 /* We want the GLSL compiler to emit code that uses condition codes */
125 ctx
->Shader
.EmitCondCodes
= GL_TRUE
;
127 /* ctx->Const.MaxNativeVertexProgramTemps = 32; */
129 brw_init_state( brw
);
131 brw
->state
.dirty
.mesa
= ~0;
132 brw
->state
.dirty
.brw
= ~0;
134 brw
->emit_state_always
= 0;
136 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
137 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
139 make_empty_list(&brw
->query
.active_head
);
141 brw_draw_init( brw
);