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 "i915_context.h"
30 #include "intel_tex.h"
31 #include "intel_tris.h"
32 #include "tnl/t_context.h"
33 #include "tnl/t_pipeline.h"
34 #include "tnl/t_vertex.h"
36 #include "swrast/swrast.h"
37 #include "swrast_setup/swrast_setup.h"
43 #include "intel_regions.h"
44 #include "intel_batchbuffer.h"
46 /***************************************
47 * Mesa's Driver Functions
48 ***************************************/
50 static const struct dri_extension i915_extensions
[] = {
51 {"GL_ARB_depth_texture", NULL
},
52 {"GL_ARB_fragment_program", NULL
},
53 {"GL_ARB_shadow", NULL
},
54 {"GL_ARB_texture_env_crossbar", NULL
},
55 {"GL_ARB_texture_non_power_of_two", NULL
},
56 {"GL_EXT_shadow_funcs", NULL
},
57 /* ARB extn won't work if not enabled */
58 {"GL_SGIX_depth_texture", NULL
},
62 /* Override intel default.
65 i915InvalidateState(GLcontext
* ctx
, GLuint new_state
)
67 _swrast_InvalidateState(ctx
, new_state
);
68 _swsetup_InvalidateState(ctx
, new_state
);
69 _vbo_InvalidateState(ctx
, new_state
);
70 _tnl_InvalidateState(ctx
, new_state
);
71 _tnl_invalidate_vertex_state(ctx
, new_state
);
72 intel_context(ctx
)->NewGLState
|= new_state
;
74 /* Todo: gather state values under which tracked parameters become
75 * invalidated, add callbacks for things like
76 * ProgramLocalParameters, etc.
79 struct i915_fragment_program
*p
=
80 (struct i915_fragment_program
*) ctx
->FragmentProgram
._Current
;
81 if (p
&& p
->nr_params
)
82 p
->params_uptodate
= 0;
85 if (new_state
& (_NEW_FOG
| _NEW_HINT
| _NEW_PROGRAM
))
91 i915InitDriverFunctions(struct dd_function_table
*functions
)
93 intelInitDriverFunctions(functions
);
94 i915InitStateFunctions(functions
);
95 i915InitTextureFuncs(functions
);
96 i915InitFragProgFuncs(functions
);
97 functions
->UpdateState
= i915InvalidateState
;
103 i915CreateContext(const __GLcontextModes
* mesaVis
,
104 __DRIcontextPrivate
* driContextPriv
,
105 void *sharedContextPrivate
)
107 struct dd_function_table functions
;
108 struct i915_context
*i915
=
109 (struct i915_context
*) CALLOC_STRUCT(i915_context
);
110 struct intel_context
*intel
= &i915
->intel
;
111 GLcontext
*ctx
= &intel
->ctx
;
117 _mesa_printf("\ntexmem-0-3 branch\n\n");
120 i915InitMetaFuncs(i915
);
122 i915InitDriverFunctions(&functions
);
124 if (!intelInitContext(intel
, mesaVis
, driContextPriv
,
125 sharedContextPrivate
, &functions
)) {
130 ctx
->Const
.MaxTextureUnits
= I915_TEX_UNITS
;
131 ctx
->Const
.MaxTextureImageUnits
= I915_TEX_UNITS
;
132 ctx
->Const
.MaxTextureCoordUnits
= I915_TEX_UNITS
;
135 /* Advertise the full hardware capabilities. The new memory
136 * manager should cope much better with overload situations:
138 ctx
->Const
.MaxTextureLevels
= 12;
139 ctx
->Const
.Max3DTextureLevels
= 9;
140 ctx
->Const
.MaxCubeTextureLevels
= 12;
141 ctx
->Const
.MaxTextureRectSize
= (1 << 11);
142 ctx
->Const
.MaxTextureUnits
= I915_TEX_UNITS
;
144 /* GL_ARB_fragment_program limits - don't think Mesa actually
145 * validates programs against these, and in any case one ARB
146 * instruction can translate to more than one HW instruction, so
147 * we'll still have to check and fallback each time.
149 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= I915_MAX_TEMPORARY
;
150 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* 8 tex, 2 color, fog */
151 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= I915_MAX_CONSTANT
;
152 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= I915_MAX_ALU_INSN
;
153 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= I915_MAX_TEX_INSN
;
154 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
= (I915_MAX_ALU_INSN
+
156 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
=
157 I915_MAX_TEX_INDIRECT
;
158 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* I don't think we have one */
160 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
161 /*ctx->_UseTexEnvProgram = 1;*/
163 driInitExtensions(ctx
, i915_extensions
, GL_FALSE
);
166 _tnl_init_vertices(ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
167 36 * sizeof(GLfloat
));
169 intel
->verts
= TNL_CONTEXT(ctx
)->clipspace
.vertex_buf
;