Merge branch 'shader-file-reorg'
[mesa.git] / src / gallium / drivers / softpipe / sp_context.c
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 * Copyright 2008 VMware, Inc. All rights reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29 /* Author:
30 * Keith Whitwell <keith@tungstengraphics.com>
31 */
32
33 #include "draw/draw_context.h"
34 #include "draw/draw_vbuf.h"
35 #include "pipe/p_defines.h"
36 #include "util/u_math.h"
37 #include "util/u_memory.h"
38 #include "util/u_inlines.h"
39 #include "tgsi/tgsi_exec.h"
40 #include "sp_clear.h"
41 #include "sp_context.h"
42 #include "sp_flush.h"
43 #include "sp_prim_vbuf.h"
44 #include "sp_state.h"
45 #include "sp_surface.h"
46 #include "sp_tile_cache.h"
47 #include "sp_tex_tile_cache.h"
48 #include "sp_texture.h"
49 #include "sp_query.h"
50
51
52
53 /**
54 * Map any drawing surfaces which aren't already mapped
55 */
56 void
57 softpipe_map_transfers(struct softpipe_context *sp)
58 {
59 unsigned i;
60
61 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
62 sp_tile_cache_map_transfers(sp->cbuf_cache[i]);
63 }
64
65 sp_tile_cache_map_transfers(sp->zsbuf_cache);
66 }
67
68
69 /**
70 * Unmap any mapped drawing surfaces
71 */
72 void
73 softpipe_unmap_transfers(struct softpipe_context *sp)
74 {
75 uint i;
76
77 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
78 sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]);
79 }
80
81 sp_tile_cache_unmap_transfers(sp->zsbuf_cache);
82 }
83
84
85 static void
86 softpipe_destroy( struct pipe_context *pipe )
87 {
88 struct softpipe_context *softpipe = softpipe_context( pipe );
89 uint i;
90
91 if (softpipe->draw)
92 draw_destroy( softpipe->draw );
93
94 softpipe->quad.shade->destroy( softpipe->quad.shade );
95 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
96 softpipe->quad.blend->destroy( softpipe->quad.blend );
97 softpipe->quad.pstipple->destroy( softpipe->quad.pstipple );
98
99 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
100 sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
101 pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
102 }
103
104 sp_destroy_tile_cache(softpipe->zsbuf_cache);
105 pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
106
107 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
108 sp_destroy_tex_tile_cache(softpipe->tex_cache[i]);
109 pipe_sampler_view_reference(&softpipe->sampler_views[i], NULL);
110 }
111
112 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
113 sp_destroy_tex_tile_cache(softpipe->vertex_tex_cache[i]);
114 pipe_sampler_view_reference(&softpipe->vertex_sampler_views[i], NULL);
115 }
116
117 for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) {
118 sp_destroy_tex_tile_cache(softpipe->geometry_tex_cache[i]);
119 pipe_sampler_view_reference(&softpipe->geometry_sampler_views[i], NULL);
120 }
121
122 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
123 uint j;
124
125 for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) {
126 if (softpipe->constants[i][j]) {
127 pipe_resource_reference(&softpipe->constants[i][j], NULL);
128 }
129 }
130 }
131
132 tgsi_exec_machine_destroy(softpipe->fs_machine);
133
134 FREE( softpipe );
135 }
136
137
138 /**
139 * if (the texture is being used as a framebuffer surface)
140 * return PIPE_REFERENCED_FOR_WRITE
141 * else if (the texture is a bound texture source)
142 * return PIPE_REFERENCED_FOR_READ
143 * else
144 * return PIPE_UNREFERENCED
145 */
146 static unsigned int
147 softpipe_is_resource_referenced( struct pipe_context *pipe,
148 struct pipe_resource *texture,
149 unsigned face, unsigned level)
150 {
151 struct softpipe_context *softpipe = softpipe_context( pipe );
152 unsigned i;
153
154 if (texture->target == PIPE_BUFFER)
155 return PIPE_UNREFERENCED;
156
157 /* check if any of the bound drawing surfaces are this texture */
158 if (softpipe->dirty_render_cache) {
159 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
160 if (softpipe->framebuffer.cbufs[i] &&
161 softpipe->framebuffer.cbufs[i]->texture == texture) {
162 return PIPE_REFERENCED_FOR_WRITE;
163 }
164 }
165 if (softpipe->framebuffer.zsbuf &&
166 softpipe->framebuffer.zsbuf->texture == texture) {
167 return PIPE_REFERENCED_FOR_WRITE;
168 }
169 }
170
171 /* check if any of the tex_cache textures are this texture */
172 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
173 if (softpipe->tex_cache[i] &&
174 softpipe->tex_cache[i]->texture == texture)
175 return PIPE_REFERENCED_FOR_READ;
176 }
177 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
178 if (softpipe->vertex_tex_cache[i] &&
179 softpipe->vertex_tex_cache[i]->texture == texture)
180 return PIPE_REFERENCED_FOR_READ;
181 }
182 for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) {
183 if (softpipe->geometry_tex_cache[i] &&
184 softpipe->geometry_tex_cache[i]->texture == texture)
185 return PIPE_REFERENCED_FOR_READ;
186 }
187
188 return PIPE_UNREFERENCED;
189 }
190
191
192
193
194 static void
195 softpipe_render_condition( struct pipe_context *pipe,
196 struct pipe_query *query,
197 uint mode )
198 {
199 struct softpipe_context *softpipe = softpipe_context( pipe );
200
201 softpipe->render_cond_query = query;
202 softpipe->render_cond_mode = mode;
203 }
204
205
206
207 struct pipe_context *
208 softpipe_create_context( struct pipe_screen *screen,
209 void *priv )
210 {
211 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
212 uint i;
213
214 util_init_math();
215
216 #ifdef PIPE_ARCH_X86
217 softpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE );
218 #else
219 softpipe->use_sse = FALSE;
220 #endif
221
222 softpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE );
223 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
224
225 softpipe->pipe.winsys = NULL;
226 softpipe->pipe.screen = screen;
227 softpipe->pipe.destroy = softpipe_destroy;
228 softpipe->pipe.priv = priv;
229
230 /* state setters */
231 softpipe->pipe.create_blend_state = softpipe_create_blend_state;
232 softpipe->pipe.bind_blend_state = softpipe_bind_blend_state;
233 softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
234
235 softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
236 softpipe->pipe.bind_fragment_sampler_states = softpipe_bind_sampler_states;
237 softpipe->pipe.bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
238 softpipe->pipe.bind_geometry_sampler_states = softpipe_bind_geometry_sampler_states;
239 softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
240
241 softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
242 softpipe->pipe.bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state;
243 softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
244
245 softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
246 softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state;
247 softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
248
249 softpipe->pipe.create_fs_state = softpipe_create_fs_state;
250 softpipe->pipe.bind_fs_state = softpipe_bind_fs_state;
251 softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
252
253 softpipe->pipe.create_vs_state = softpipe_create_vs_state;
254 softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
255 softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
256
257 softpipe->pipe.create_gs_state = softpipe_create_gs_state;
258 softpipe->pipe.bind_gs_state = softpipe_bind_gs_state;
259 softpipe->pipe.delete_gs_state = softpipe_delete_gs_state;
260
261 softpipe->pipe.create_vertex_elements_state = softpipe_create_vertex_elements_state;
262 softpipe->pipe.bind_vertex_elements_state = softpipe_bind_vertex_elements_state;
263 softpipe->pipe.delete_vertex_elements_state = softpipe_delete_vertex_elements_state;
264
265 softpipe->pipe.create_stream_output_state = softpipe_create_stream_output_state;
266 softpipe->pipe.bind_stream_output_state = softpipe_bind_stream_output_state;
267 softpipe->pipe.delete_stream_output_state = softpipe_delete_stream_output_state;
268
269 softpipe->pipe.set_blend_color = softpipe_set_blend_color;
270 softpipe->pipe.set_stencil_ref = softpipe_set_stencil_ref;
271 softpipe->pipe.set_clip_state = softpipe_set_clip_state;
272 softpipe->pipe.set_sample_mask = softpipe_set_sample_mask;
273 softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
274 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
275 softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
276 softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
277 softpipe->pipe.set_fragment_sampler_views = softpipe_set_sampler_views;
278 softpipe->pipe.set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
279 softpipe->pipe.set_geometry_sampler_views = softpipe_set_geometry_sampler_views;
280 softpipe->pipe.create_sampler_view = softpipe_create_sampler_view;
281 softpipe->pipe.sampler_view_destroy = softpipe_sampler_view_destroy;
282 softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
283 softpipe->pipe.set_stream_output_buffers = softpipe_set_stream_output_buffers;
284 softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers;
285
286 softpipe->pipe.draw_arrays = softpipe_draw_arrays;
287 softpipe->pipe.draw_elements = softpipe_draw_elements;
288 softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
289 softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced;
290 softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced;
291 softpipe->pipe.draw_stream_output = softpipe_draw_stream_output;
292
293 softpipe->pipe.clear = softpipe_clear;
294 softpipe->pipe.flush = softpipe_flush;
295
296 softpipe->pipe.is_resource_referenced = softpipe_is_resource_referenced;
297
298 softpipe_init_query_funcs( softpipe );
299 softpipe_init_texture_funcs( &softpipe->pipe );
300
301 softpipe->pipe.render_condition = softpipe_render_condition;
302
303 /*
304 * Alloc caches for accessing drawing surfaces and textures.
305 * Must be before quad stage setup!
306 */
307 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
308 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
309 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
310
311 for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
312 softpipe->tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
313 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
314 softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
315 }
316 for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) {
317 softpipe->geometry_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
318 }
319
320 softpipe->fs_machine = tgsi_exec_machine_create();
321
322 /* setup quad rendering stages */
323 softpipe->quad.shade = sp_quad_shade_stage(softpipe);
324 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
325 softpipe->quad.blend = sp_quad_blend_stage(softpipe);
326 softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
327
328
329 /*
330 * Create drawing context and plug our rendering stage into it.
331 */
332 softpipe->draw = draw_create(&softpipe->pipe);
333 if (!softpipe->draw)
334 goto fail;
335
336 draw_texture_samplers(softpipe->draw,
337 PIPE_SHADER_VERTEX,
338 PIPE_MAX_VERTEX_SAMPLERS,
339 (struct tgsi_sampler **)
340 softpipe->tgsi.vert_samplers_list);
341
342 draw_texture_samplers(softpipe->draw,
343 PIPE_SHADER_GEOMETRY,
344 PIPE_MAX_GEOMETRY_SAMPLERS,
345 (struct tgsi_sampler **)
346 softpipe->tgsi.geom_samplers_list);
347
348 if (debug_get_bool_option( "SP_NO_RAST", FALSE ))
349 softpipe->no_rast = TRUE;
350
351 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
352 if (!softpipe->vbuf_backend)
353 goto fail;
354
355 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
356 if (!softpipe->vbuf)
357 goto fail;
358
359 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
360 draw_set_render(softpipe->draw, softpipe->vbuf_backend);
361
362
363 /* plug in AA line/point stages */
364 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
365 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
366
367 /* Do polygon stipple w/ texture map + frag prog? */
368 #if DO_PSTIPPLE_IN_DRAW_MODULE
369 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
370 #endif
371
372 draw_wide_point_sprites(softpipe->draw, TRUE);
373
374 sp_init_surface_functions(softpipe);
375
376 return &softpipe->pipe;
377
378 fail:
379 softpipe_destroy(&softpipe->pipe);
380 return NULL;
381 }