summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/softpipe/sp_context.c
blob: 8e01793940226eb8b33d781533bf009ec3621460 (plain)
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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * Copyright 2008 VMware, Inc.  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.
 * 
 **************************************************************************/

/* Author:
 *    Keith Whitwell <keith@tungstengraphics.com>
 */

#include "draw/draw_context.h"
#include "draw/draw_vbuf.h"
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "sp_clear.h"
#include "sp_context.h"
#include "sp_flush.h"
#include "sp_prim_vbuf.h"
#include "sp_state.h"
#include "sp_surface.h"
#include "sp_tile_cache.h"
#include "sp_tex_tile_cache.h"
#include "sp_texture.h"
#include "sp_winsys.h"
#include "sp_query.h"



/**
 * Map any drawing surfaces which aren't already mapped
 */
void
softpipe_map_transfers(struct softpipe_context *sp)
{
   unsigned i;

   for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
      sp_tile_cache_map_transfers(sp->cbuf_cache[i]);
   }

   sp_tile_cache_map_transfers(sp->zsbuf_cache);
}


/**
 * Unmap any mapped drawing surfaces
 */
void
softpipe_unmap_transfers(struct softpipe_context *sp)
{
   uint i;

   for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
      sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]);
   }

   sp_tile_cache_unmap_transfers(sp->zsbuf_cache);
}


static void
softpipe_destroy( struct pipe_context *pipe )
{
   struct softpipe_context *softpipe = softpipe_context( pipe );
   uint i;

   if (softpipe->draw)
      draw_destroy( softpipe->draw );

   softpipe->quad.shade->destroy( softpipe->quad.shade );
   softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
   softpipe->quad.blend->destroy( softpipe->quad.blend );

   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
      sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
      pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
   }

   sp_destroy_tile_cache(softpipe->zsbuf_cache);
   pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);

   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
      sp_destroy_tex_tile_cache(softpipe->tex_cache[i]);
      pipe_texture_reference(&softpipe->texture[i], NULL);
   }

   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
      sp_destroy_tex_tile_cache(softpipe->vertex_tex_cache[i]);
      pipe_texture_reference(&softpipe->vertex_textures[i], NULL);
   }

   for (i = 0; i < Elements(softpipe->constants); i++) {
      if (softpipe->constants[i]) {
         pipe_buffer_reference(&softpipe->constants[i], NULL);
      }
   }

   FREE( softpipe );
}


/**
 * if (the texture is being used as a framebuffer surface)
 *    return PIPE_REFERENCED_FOR_WRITE
 * else if (the texture is a bound texture source)
 *    return PIPE_REFERENCED_FOR_READ
 * else
 *    return PIPE_UNREFERENCED
 */
static unsigned int
softpipe_is_texture_referenced( struct pipe_context *pipe,
				struct pipe_texture *texture,
				unsigned face, unsigned level)
{
   struct softpipe_context *softpipe = softpipe_context( pipe );
   unsigned i;

   /* check if any of the bound drawing surfaces are this texture */
   if (softpipe->dirty_render_cache) {
      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
         if (softpipe->framebuffer.cbufs[i] && 
             softpipe->framebuffer.cbufs[i]->texture == texture) {
            return PIPE_REFERENCED_FOR_WRITE;
         }
      }
      if (softpipe->framebuffer.zsbuf && 
          softpipe->framebuffer.zsbuf->texture == texture) {
         return PIPE_REFERENCED_FOR_WRITE;
      }
   }
   
   /* check if any of the tex_cache textures are this texture */
   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
      if (softpipe->tex_cache[i] &&
          softpipe->tex_cache[i]->texture == texture)
         return PIPE_REFERENCED_FOR_READ;
   }
   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
      if (softpipe->vertex_tex_cache[i] &&
          softpipe->vertex_tex_cache[i]->texture == texture)
         return PIPE_REFERENCED_FOR_READ;
   }
   
   return PIPE_UNREFERENCED;
}


static unsigned int
softpipe_is_buffer_referenced( struct pipe_context *pipe,
			       struct pipe_buffer *buf)
{
   return PIPE_UNREFERENCED;
}


static void
softpipe_render_condition( struct pipe_context *pipe,
                           struct pipe_query *query,
                           uint mode )
{
   struct softpipe_context *softpipe = softpipe_context( pipe );

   softpipe->render_cond_query = query;
   softpipe->render_cond_mode = mode;
}



struct pipe_context *
softpipe_create( struct pipe_screen *screen )
{
   struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
   uint i;

   util_init_math();

#ifdef PIPE_ARCH_X86
   softpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE );
#else
   softpipe->use_sse = FALSE;
#endif

   softpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE );
   softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );

   softpipe->pipe.winsys = screen->winsys;
   softpipe->pipe.screen = screen;
   softpipe->pipe.destroy = softpipe_destroy;

   /* state setters */
   softpipe->pipe.create_blend_state = softpipe_create_blend_state;
   softpipe->pipe.bind_blend_state   = softpipe_bind_blend_state;
   softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;

   softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
   softpipe->pipe.bind_fragment_sampler_states  = softpipe_bind_sampler_states;
   softpipe->pipe.bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
   softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;

   softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
   softpipe->pipe.bind_depth_stencil_alpha_state   = softpipe_bind_depth_stencil_state;
   softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;

   softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
   softpipe->pipe.bind_rasterizer_state   = softpipe_bind_rasterizer_state;
   softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;

   softpipe->pipe.create_fs_state = softpipe_create_fs_state;
   softpipe->pipe.bind_fs_state   = softpipe_bind_fs_state;
   softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;

   softpipe->pipe.create_vs_state = softpipe_create_vs_state;
   softpipe->pipe.bind_vs_state   = softpipe_bind_vs_state;
   softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;

   softpipe->pipe.create_gs_state = softpipe_create_gs_state;
   softpipe->pipe.bind_gs_state   = softpipe_bind_gs_state;
   softpipe->pipe.delete_gs_state = softpipe_delete_gs_state;

   softpipe->pipe.set_blend_color = softpipe_set_blend_color;
   softpipe->pipe.set_clip_state = softpipe_set_clip_state;
   softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
   softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
   softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
   softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
   softpipe->pipe.set_fragment_sampler_textures = softpipe_set_sampler_textures;
   softpipe->pipe.set_vertex_sampler_textures = softpipe_set_vertex_sampler_textures;
   softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;

   softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers;
   softpipe->pipe.set_vertex_elements = softpipe_set_vertex_elements;

   softpipe->pipe.draw_arrays = softpipe_draw_arrays;
   softpipe->pipe.draw_elements = softpipe_draw_elements;
   softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
   softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced;
   softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced;

   softpipe->pipe.clear = softpipe_clear;
   softpipe->pipe.flush = softpipe_flush;

   softpipe->pipe.is_texture_referenced = softpipe_is_texture_referenced;
   softpipe->pipe.is_buffer_referenced = softpipe_is_buffer_referenced;

   softpipe_init_query_funcs( softpipe );

   softpipe->pipe.render_condition = softpipe_render_condition;

   /*
    * Alloc caches for accessing drawing surfaces and textures.
    * Must be before quad stage setup!
    */
   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
      softpipe->cbuf_cache[i] = sp_create_tile_cache( screen );
   softpipe->zsbuf_cache = sp_create_tile_cache( screen );

   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
      softpipe->tex_cache[i] = sp_create_tex_tile_cache( screen );
   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
      softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache(screen);
   }

   /* setup quad rendering stages */
   softpipe->quad.shade = sp_quad_shade_stage(softpipe);
   softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
   softpipe->quad.blend = sp_quad_blend_stage(softpipe);


   /*
    * Create drawing context and plug our rendering stage into it.
    */
   softpipe->draw = draw_create();
   if (!softpipe->draw) 
      goto fail;

   draw_texture_samplers(softpipe->draw,
                         PIPE_MAX_VERTEX_SAMPLERS,
                         (struct tgsi_sampler **)
                            softpipe->tgsi.vert_samplers_list);

   if (debug_get_bool_option( "SP_NO_RAST", FALSE ))
      softpipe->no_rast = TRUE;

   softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
   if (!softpipe->vbuf_backend)
      goto fail;

   softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
   if (!softpipe->vbuf)
      goto fail;

   draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
   draw_set_render(softpipe->draw, softpipe->vbuf_backend);


   /* plug in AA line/point stages */
   draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
   draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);

   /* Do polygon stipple w/ texture map + frag prog? */
   draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);

   sp_init_surface_functions(softpipe);

   return &softpipe->pipe;

 fail:
   softpipe_destroy(&softpipe->pipe);
   return NULL;
}