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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/**************************************************************************
*
* 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 "main/imports.h" /* CALLOC */
#include "i915_context.h"
#include "i915_winsys.h"
#include "i915_state.h"
#include "i915_batch.h"
#include "i915_tex_layout.h"
#include "i915_reg.h"
#include "pipe/draw/draw_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
#include "pipe/p_util.h"
/**
* Return list of supported surface/texture formats.
* If we find texture and drawable support differs, add a selector
* parameter or another function.
*/
static const unsigned *
i915_supported_formats(struct pipe_context *pipe,
// unsigned type,
unsigned *numFormats)
{
#if 0
static const unsigned tex_supported[] = {
PIPE_FORMAT_U_R8_G8_B8_A8,
PIPE_FORMAT_U_A8_R8_G8_B8,
PIPE_FORMAT_U_R5_G6_B5,
PIPE_FORMAT_U_L8,
PIPE_FORMAT_U_A8,
PIPE_FORMAT_U_I8,
PIPE_FORMAT_U_L8_A8,
PIPE_FORMAT_YCBCR,
PIPE_FORMAT_YCBCR_REV,
PIPE_FORMAT_S8_Z24,
};
/* Actually a lot more than this - add later:
*/
static const unsigned render_supported[] = {
PIPE_FORMAT_U_A8_R8_G8_B8,
PIPE_FORMAT_U_R5_G6_B5,
};
/*
*/
static const unsigned z_stencil_supported[] = {
PIPE_FORMAT_U_Z16,
PIPE_FORMAT_U_Z32,
PIPE_FORMAT_S8_Z24,
};
switch (type) {
case PIPE_RENDER_FORMAT:
*numFormats = Elements(render_supported);
return render_supported;
case PIPE_TEX_FORMAT:
*numFormats = Elements(tex_supported);
return render_supported;
case PIPE_Z_STENCIL_FORMAT:
*numFormats = Elements(render_supported);
return render_supported;
default:
*numFormats = 0;
return NULL;
}
#else
static const unsigned render_supported[] = {
PIPE_FORMAT_U_A8_R8_G8_B8,
PIPE_FORMAT_U_R5_G6_B5,
PIPE_FORMAT_S8_Z24,
};
*numFormats = 3;
return render_supported;
#endif
}
/**
* We might want to return max texture levels instead...
*/
static void
i915_max_texture_size(struct pipe_context *pipe, unsigned textureType,
unsigned *maxWidth, unsigned *maxHeight, unsigned *maxDepth)
{
switch (textureType) {
case PIPE_TEXTURE_1D:
*maxWidth = 2048;
break;
case PIPE_TEXTURE_2D:
*maxWidth =
*maxHeight = 2048;
break;
case PIPE_TEXTURE_3D:
*maxWidth =
*maxHeight =
*maxDepth = 256;
break;
case PIPE_TEXTURE_CUBE:
*maxWidth =
*maxHeight = 2048;
break;
default:
assert(0);
}
}
static void i915_destroy( struct pipe_context *pipe )
{
struct i915_context *i915 = i915_context( pipe );
draw_destroy( i915->draw );
free( i915 );
}
static void i915_draw_vb( struct pipe_context *pipe,
struct vertex_buffer *VB )
{
struct i915_context *i915 = i915_context( pipe );
if (i915->dirty)
i915_update_derived( i915 );
draw_vb( i915->draw, VB );
}
static void
i915_draw_vertices(struct pipe_context *pipe,
unsigned mode,
unsigned numVertex, const float *verts,
unsigned numAttribs, const unsigned attribs[])
{
struct i915_context *i915 = i915_context( pipe );
if (i915->dirty)
i915_update_derived( i915 );
draw_vertices(i915->draw, mode, numVertex, verts, numAttribs, attribs);
}
struct pipe_context *i915_create( struct pipe_winsys *pipe_winsys,
struct i915_winsys *i915_winsys,
unsigned pci_id )
{
struct i915_context *i915;
unsigned is_i945 = 0;
switch (pci_id) {
case PCI_CHIP_I915_G:
case PCI_CHIP_I915_GM:
break;
case PCI_CHIP_I945_G:
case PCI_CHIP_I945_GM:
case PCI_CHIP_I945_GME:
case PCI_CHIP_G33_G:
case PCI_CHIP_Q33_G:
case PCI_CHIP_Q35_G:
is_i945 = 1;
break;
default:
pipe_winsys->printf(pipe_winsys,
"%s: unknown pci id 0x%x, cannot create context\n",
__FUNCTION__, pci_id);
return NULL;
}
i915 = CALLOC_STRUCT(i915_context);
if (i915 == NULL)
return NULL;
i915->winsys = i915_winsys;
i915->pipe.winsys = pipe_winsys;
i915->pipe.destroy = i915_destroy;
i915->pipe.supported_formats = i915_supported_formats;
i915->pipe.max_texture_size = i915_max_texture_size;
i915->pipe.draw_vb = i915_draw_vb;
i915->pipe.draw_vertices = i915_draw_vertices;
i915->pipe.clear = i915_clear;
i915->pipe.reset_occlusion_counter = NULL; /* no support */
i915->pipe.get_occlusion_counter = NULL;
/*
* Create drawing context and plug our rendering stage into it.
*/
i915->draw = draw_create();
assert(i915->draw);
draw_set_setup_stage(i915->draw, i915_draw_render_stage(i915));
i915_init_region_functions(i915);
i915_init_surface_functions(i915);
i915_init_state_functions(i915);
i915_init_flush_functions(i915);
i915_init_string_functions(i915);
i915->pci_id = pci_id;
i915->flags.is_i945 = is_i945;
if (i915->flags.is_i945)
i915->pipe.mipmap_tree_layout = i945_miptree_layout;
else
i915->pipe.mipmap_tree_layout = i945_miptree_layout;
i915->dirty = ~0;
i915->hardware_dirty = ~0;
/* Batch stream debugging is a bit hacked up at the moment:
*/
i915->batch_start = BEGIN_BATCH(0, 0);
/*
* XXX we could plug GL selection/feedback into the drawing pipeline
* by specifying a different setup/render stage.
*/
return &i915->pipe;
}
|
