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
|
/**************************************************************************
*
* Copyright 2007 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"
#include "main/context.h"
#include "main/extensions.h"
#include "main/matrix.h"
#include "main/buffers.h"
#include "vbo/vbo.h"
#include "shader/shader_api.h"
#include "st_public.h"
#include "st_context.h"
#include "st_cb_accum.h"
#include "st_cb_bitmap.h"
#include "st_cb_blit.h"
#include "st_cb_bufferobjects.h"
#include "st_cb_clear.h"
#include "st_cb_drawpixels.h"
#include "st_cb_fbo.h"
#include "st_cb_feedback.h"
#include "st_cb_program.h"
#include "st_cb_queryobj.h"
#include "st_cb_rasterpos.h"
#include "st_cb_readpixels.h"
#include "st_cb_texture.h"
#include "st_cb_flush.h"
#include "st_cb_strings.h"
#include "st_atom.h"
#include "st_draw.h"
#include "st_extensions.h"
#include "st_gen_mipmap.h"
#include "st_program.h"
#include "pipe/p_context.h"
#include "pipe/p_winsys.h"
#include "pipe/p_inlines.h"
#include "draw/draw_context.h"
#include "cso_cache/cso_cache.h"
#include "cso_cache/cso_context.h"
/**
* Called via ctx->Driver.UpdateState()
*/
void st_invalidate_state(GLcontext * ctx, GLuint new_state)
{
struct st_context *st = st_context(ctx);
st->dirty.mesa |= new_state;
st->dirty.st |= ST_NEW_MESA;
/* This is the only core Mesa module we depend upon.
* No longer use swrast, swsetup, tnl.
*/
_vbo_InvalidateState(ctx, new_state);
}
static struct st_context *
st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
{
uint i;
struct st_context *st = CALLOC_STRUCT( st_context );
ctx->st = st;
st->ctx = ctx;
st->pipe = pipe;
/* state tracker needs the VBO module */
_vbo_CreateContext(ctx);
st->draw = draw_create(); /* for selection/feedback */
st->dirty.mesa = ~0;
st->dirty.st = ~0;
st->cso_context = cso_create_context(pipe);
st_init_atoms( st );
st_init_draw( st );
st_init_generate_mipmap(st);
st_init_blit(st);
for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
st->state.sampler_list[i] = &st->state.samplers[i];
/* we want all vertex data to be placed in buffer objects */
vbo_use_buffer_objects(ctx);
/* Need these flags:
*/
st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
st->ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
st->haveFramebufferSurfaces = GL_TRUE;
st->pixel_xfer.cache = _mesa_new_program_cache();
/* GL limits and extensions */
st_init_limits(st);
st_init_extensions(st);
return st;
}
struct st_context *st_create_context(struct pipe_context *pipe,
const __GLcontextModes *visual,
struct st_context *share)
{
GLcontext *ctx;
GLcontext *shareCtx = share ? share->ctx : NULL;
struct dd_function_table funcs;
memset(&funcs, 0, sizeof(funcs));
st_init_driver_functions(&funcs);
ctx = _mesa_create_context(visual, shareCtx, &funcs, NULL);
return st_create_context_priv(ctx, pipe);
}
static void st_destroy_context_priv( struct st_context *st )
{
struct pipe_winsys *ws = st->pipe->winsys;
uint i;
draw_destroy(st->draw);
st_destroy_atoms( st );
st_destroy_draw( st );
st_destroy_generate_mipmap(st);
st_destroy_bitmap(st);
st_destroy_blit(st);
st_destroy_clear(st);
_vbo_DestroyContext(st->ctx);
cso_destroy_context(st->cso_context);
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
for (i = 0; i < Elements(st->state.constants); i++) {
if (st->state.constants[i].buffer) {
pipe_buffer_reference(ws, &st->state.constants[i].buffer, NULL);
}
}
st->pipe->destroy( st->pipe );
free( st );
}
void st_destroy_context( struct st_context *st )
{
GLcontext *ctx = st->ctx;
_mesa_free_context_data(ctx);
st_destroy_context_priv(st);
free(ctx);
}
void st_make_current(struct st_context *st,
struct st_framebuffer *draw,
struct st_framebuffer *read)
{
if (st) {
GLboolean firstTime = st->ctx->FirstTimeCurrent;
_mesa_make_current(st->ctx, &draw->Base, &read->Base);
/* Need to initialize viewport here since draw->Base->Width/Height
* will still be zero at this point.
* This could be improved, but would require rather extensive work
* elsewhere (allocate rb surface storage sooner)
*/
if (firstTime) {
GLuint w = draw->InitWidth, h = draw->InitHeight;
_mesa_set_viewport(st->ctx, 0, 0, w, h);
_mesa_set_scissor(st->ctx, 0, 0, w, h);
}
}
else {
_mesa_make_current(NULL, NULL, NULL);
}
}
void st_copy_context_state(struct st_context *dst,
struct st_context *src,
uint mask)
{
_mesa_copy_context(dst->ctx, src->ctx, mask);
}
void st_init_driver_functions(struct dd_function_table *functions)
{
_mesa_init_glsl_driver_functions(functions);
st_init_accum_functions(functions);
st_init_bitmap_functions(functions);
st_init_blit_functions(functions);
st_init_bufferobject_functions(functions);
st_init_clear_functions(functions);
st_init_drawpixels_functions(functions);
st_init_fbo_functions(functions);
st_init_feedback_functions(functions);
st_init_program_functions(functions);
st_init_query_functions(functions);
st_init_rasterpos_functions(functions);
st_init_readpixels_functions(functions);
st_init_texture_functions(functions);
st_init_flush_functions(functions);
st_init_string_functions(functions);
functions->UpdateState = st_invalidate_state;
}
|
