Merge branch '7.8'
[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 "sp_clear.h"
40 #include "sp_context.h"
41 #include "sp_flush.h"
42 #include "sp_prim_vbuf.h"
43 #include "sp_state.h"
44 #include "sp_surface.h"
45 #include "sp_tile_cache.h"
46 #include "sp_tex_tile_cache.h"
47 #include "sp_texture.h"
48 #include "sp_query.h"
49
50
51
52 /**
53 * Map any drawing surfaces which aren't already mapped
54 */
55 void
56 softpipe_map_transfers(struct softpipe_context *sp)
57 {
58 unsigned i;
59
60 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
61 sp_tile_cache_map_transfers(sp->cbuf_cache[i]);
62 }
63
64 sp_tile_cache_map_transfers(sp->zsbuf_cache);
65 }
66
67
68 /**
69 * Unmap any mapped drawing surfaces
70 */
71 void
72 softpipe_unmap_transfers(struct softpipe_context *sp)
73 {
74 uint i;
75
76 for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
77 sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]);
78 }
79
80 sp_tile_cache_unmap_transfers(sp->zsbuf_cache);
81 }
82
83
84 static void
85 softpipe_destroy( struct pipe_context *pipe )
86 {
87 struct softpipe_context *softpipe = softpipe_context( pipe );
88 uint i;
89
90 if (softpipe->draw)
91 draw_destroy( softpipe->draw );
92
93 softpipe->quad.shade->destroy( softpipe->quad.shade );
94 softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
95 softpipe->quad.blend->destroy( softpipe->quad.blend );
96 softpipe->quad.pstipple->destroy( softpipe->quad.pstipple );
97
98 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
99 sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
100 pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
101 }
102
103 sp_destroy_tile_cache(softpipe->zsbuf_cache);
104 pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
105
106 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
107 sp_destroy_tex_tile_cache(softpipe->tex_cache[i]);
108 pipe_sampler_view_reference(&softpipe->sampler_views[i], NULL);
109 }
110
111 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
112 sp_destroy_tex_tile_cache(softpipe->vertex_tex_cache[i]);
113 pipe_sampler_view_reference(&softpipe->vertex_sampler_views[i], NULL);
114 }
115
116 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
117 uint j;
118
119 for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) {
120 if (softpipe->constants[i][j]) {
121 pipe_resource_reference(&softpipe->constants[i][j], NULL);
122 }
123 }
124 }
125
126 FREE( softpipe );
127 }
128
129
130 /**
131 * if (the texture is being used as a framebuffer surface)
132 * return PIPE_REFERENCED_FOR_WRITE
133 * else if (the texture is a bound texture source)
134 * return PIPE_REFERENCED_FOR_READ
135 * else
136 * return PIPE_UNREFERENCED
137 */
138 static unsigned int
139 softpipe_is_resource_referenced( struct pipe_context *pipe,
140 struct pipe_resource *texture,
141 unsigned face, unsigned level)
142 {
143 struct softpipe_context *softpipe = softpipe_context( pipe );
144 unsigned i;
145
146 if (texture->target == PIPE_BUFFER)
147 return PIPE_UNREFERENCED;
148
149 /* check if any of the bound drawing surfaces are this texture */
150 if (softpipe->dirty_render_cache) {
151 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
152 if (softpipe->framebuffer.cbufs[i] &&
153 softpipe->framebuffer.cbufs[i]->texture == texture) {
154 return PIPE_REFERENCED_FOR_WRITE;
155 }
156 }
157 if (softpipe->framebuffer.zsbuf &&
158 softpipe->framebuffer.zsbuf->texture == texture) {
159 return PIPE_REFERENCED_FOR_WRITE;
160 }
161 }
162
163 /* check if any of the tex_cache textures are this texture */
164 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
165 if (softpipe->tex_cache[i] &&
166 softpipe->tex_cache[i]->texture == texture)
167 return PIPE_REFERENCED_FOR_READ;
168 }
169 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
170 if (softpipe->vertex_tex_cache[i] &&
171 softpipe->vertex_tex_cache[i]->texture == texture)
172 return PIPE_REFERENCED_FOR_READ;
173 }
174
175 return PIPE_UNREFERENCED;
176 }
177
178
179
180
181 static void
182 softpipe_render_condition( struct pipe_context *pipe,
183 struct pipe_query *query,
184 uint mode )
185 {
186 struct softpipe_context *softpipe = softpipe_context( pipe );
187
188 softpipe->render_cond_query = query;
189 softpipe->render_cond_mode = mode;
190 }
191
192
193
194 struct pipe_context *
195 softpipe_create_context( struct pipe_screen *screen,
196 void *priv )
197 {
198 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
199 uint i;
200
201 util_init_math();
202
203 #ifdef PIPE_ARCH_X86
204 softpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE );
205 #else
206 softpipe->use_sse = FALSE;
207 #endif
208
209 softpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE );
210 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
211
212 softpipe->pipe.winsys = NULL;
213 softpipe->pipe.screen = screen;
214 softpipe->pipe.destroy = softpipe_destroy;
215 softpipe->pipe.priv = priv;
216
217 /* state setters */
218 softpipe->pipe.create_blend_state = softpipe_create_blend_state;
219 softpipe->pipe.bind_blend_state = softpipe_bind_blend_state;
220 softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
221
222 softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
223 softpipe->pipe.bind_fragment_sampler_states = softpipe_bind_sampler_states;
224 softpipe->pipe.bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
225 softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
226
227 softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
228 softpipe->pipe.bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state;
229 softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
230
231 softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
232 softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state;
233 softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
234
235 softpipe->pipe.create_fs_state = softpipe_create_fs_state;
236 softpipe->pipe.bind_fs_state = softpipe_bind_fs_state;
237 softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
238
239 softpipe->pipe.create_vs_state = softpipe_create_vs_state;
240 softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
241 softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
242
243 softpipe->pipe.create_gs_state = softpipe_create_gs_state;
244 softpipe->pipe.bind_gs_state = softpipe_bind_gs_state;
245 softpipe->pipe.delete_gs_state = softpipe_delete_gs_state;
246
247 softpipe->pipe.create_vertex_elements_state = softpipe_create_vertex_elements_state;
248 softpipe->pipe.bind_vertex_elements_state = softpipe_bind_vertex_elements_state;
249 softpipe->pipe.delete_vertex_elements_state = softpipe_delete_vertex_elements_state;
250
251 softpipe->pipe.set_blend_color = softpipe_set_blend_color;
252 softpipe->pipe.set_stencil_ref = softpipe_set_stencil_ref;
253 softpipe->pipe.set_clip_state = softpipe_set_clip_state;
254 softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
255 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
256 softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
257 softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
258 softpipe->pipe.set_fragment_sampler_views = softpipe_set_sampler_views;
259 softpipe->pipe.set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
260 softpipe->pipe.create_sampler_view = softpipe_create_sampler_view;
261 softpipe->pipe.sampler_view_destroy = softpipe_sampler_view_destroy;
262 softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
263
264 softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers;
265
266 softpipe->pipe.draw_arrays = softpipe_draw_arrays;
267 softpipe->pipe.draw_elements = softpipe_draw_elements;
268 softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
269 softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced;
270 softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced;
271
272 softpipe->pipe.clear = softpipe_clear;
273 softpipe->pipe.flush = softpipe_flush;
274
275 softpipe->pipe.is_resource_referenced = softpipe_is_resource_referenced;
276
277 softpipe_init_query_funcs( softpipe );
278 softpipe_init_texture_funcs( &softpipe->pipe );
279
280 softpipe->pipe.render_condition = softpipe_render_condition;
281
282 /*
283 * Alloc caches for accessing drawing surfaces and textures.
284 * Must be before quad stage setup!
285 */
286 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
287 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
288 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
289
290 for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
291 softpipe->tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
292 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
293 softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
294 }
295
296 /* setup quad rendering stages */
297 softpipe->quad.shade = sp_quad_shade_stage(softpipe);
298 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
299 softpipe->quad.blend = sp_quad_blend_stage(softpipe);
300 softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
301
302
303 /*
304 * Create drawing context and plug our rendering stage into it.
305 */
306 softpipe->draw = draw_create(&softpipe->pipe);
307 if (!softpipe->draw)
308 goto fail;
309
310 draw_texture_samplers(softpipe->draw,
311 PIPE_MAX_VERTEX_SAMPLERS,
312 (struct tgsi_sampler **)
313 softpipe->tgsi.vert_samplers_list);
314
315 if (debug_get_bool_option( "SP_NO_RAST", FALSE ))
316 softpipe->no_rast = TRUE;
317
318 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
319 if (!softpipe->vbuf_backend)
320 goto fail;
321
322 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
323 if (!softpipe->vbuf)
324 goto fail;
325
326 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
327 draw_set_render(softpipe->draw, softpipe->vbuf_backend);
328
329
330 /* plug in AA line/point stages */
331 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
332 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
333
334 /* Do polygon stipple w/ texture map + frag prog? */
335 #if DO_PSTIPPLE_IN_DRAW_MODULE
336 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
337 #endif
338
339 draw_wide_point_sprites(softpipe->draw, TRUE);
340
341 sp_init_surface_functions(softpipe);
342
343 return &softpipe->pipe;
344
345 fail:
346 softpipe_destroy(&softpipe->pipe);
347 return NULL;
348 }