1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "i915_context.h"
#include "imports.h"
#include "intel_tex.h"
#include "intel_tris.h"
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
#include "tnl/t_vertex.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "vbo/vbo.h"
#include "utils.h"
#include "i915_reg.h"
/***************************************
* Mesa's Driver Functions
***************************************/
static const struct dri_extension i915_extensions[] =
{
{ "GL_ARB_depth_texture", NULL },
{ "GL_ARB_fragment_program", NULL },
{ "GL_ARB_shadow", NULL },
{ "GL_ARB_texture_env_crossbar", NULL },
{ "GL_EXT_shadow_funcs", NULL },
/* ARB extn won't work if not enabled */
{ "GL_SGIX_depth_texture", NULL },
{ NULL, NULL }
};
/* Override intel default.
*/
static void i915InvalidateState( GLcontext *ctx, GLuint new_state )
{
_swrast_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );
_vbo_InvalidateState( ctx, new_state );
_tnl_InvalidateState( ctx, new_state );
_tnl_invalidate_vertex_state( ctx, new_state );
INTEL_CONTEXT(ctx)->NewGLState |= new_state;
/* Todo: gather state values under which tracked parameters become
* invalidated, add callbacks for things like
* ProgramLocalParameters, etc.
*/
{
struct i915_fragment_program *p =
(struct i915_fragment_program *)ctx->FragmentProgram._Current;
if (p && p->nr_params)
p->params_uptodate = 0;
}
if (new_state & (_NEW_FOG|_NEW_HINT|_NEW_PROGRAM))
i915_update_fog(ctx);
}
static void i915InitDriverFunctions( struct dd_function_table *functions )
{
intelInitDriverFunctions( functions );
i915InitStateFunctions( functions );
i915InitTextureFuncs( functions );
i915InitFragProgFuncs( functions );
functions->UpdateState = i915InvalidateState;
}
GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
i915ContextPtr i915 = (i915ContextPtr) CALLOC_STRUCT(i915_context);
intelContextPtr intel = &i915->intel;
GLcontext *ctx = &intel->ctx;
GLuint i;
if (!i915) return GL_FALSE;
i915InitVtbl( i915 );
i915InitDriverFunctions( &functions );
if (!intelInitContext( intel, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
FREE(i915);
return GL_FALSE;
}
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
intel->nr_heaps = 1;
intel->texture_heaps[0] =
driCreateTextureHeap( 0, intel,
intel->intelScreen->tex.size,
12,
I830_NR_TEX_REGIONS,
intel->sarea->texList,
(unsigned *) & intel->sarea->texAge,
& intel->swapped,
sizeof( struct i915_texture_object ),
(destroy_texture_object_t *)intelDestroyTexObj );
/* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are
* tightly packed, but they're not in Intel graphics
* hardware.
*/
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
i = driQueryOptioni( &intel->optionCache, "allow_large_textures");
driCalculateMaxTextureLevels( intel->texture_heaps,
intel->nr_heaps,
&intel->ctx.Const,
4,
11, /* max 2D texture size is 2048x2048 */
8, /* 3D texture */
11, /* cube texture. */
11, /* rect texture */
12,
GL_FALSE,
i );
/* GL_ARB_fragment_program limits - don't think Mesa actually
* validates programs against these, and in any case one ARB
* instruction can translate to more than one HW instruction, so
* we'll still have to check and fallback each time.
*/
ctx->Const.FragmentProgram.MaxNativeTemps = I915_MAX_TEMPORARY;
ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* 8 tex, 2 color, fog */
ctx->Const.FragmentProgram.MaxNativeParameters = I915_MAX_CONSTANT;
ctx->Const.FragmentProgram.MaxNativeAluInstructions = I915_MAX_ALU_INSN;
ctx->Const.FragmentProgram.MaxNativeTexInstructions = I915_MAX_TEX_INSN;
ctx->Const.FragmentProgram.MaxNativeInstructions = (I915_MAX_ALU_INSN +
I915_MAX_TEX_INSN);
ctx->Const.FragmentProgram.MaxNativeTexIndirections = I915_MAX_TEX_INDIRECT;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* I don't think we have one */
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
driInitExtensions( ctx, i915_extensions, GL_FALSE );
_tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
36 * sizeof(GLfloat) );
intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
i915InitState( i915 );
return GL_TRUE;
}
|
