1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Copyright 2008 VMware, Inc. All rights reserved.
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:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
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.
27 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
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"
41 #include "sp_context.h"
43 #include "sp_prim_vbuf.h"
45 #include "sp_surface.h"
46 #include "sp_tile_cache.h"
47 #include "sp_tex_tile_cache.h"
48 #include "sp_texture.h"
54 * Map any drawing surfaces which aren't already mapped
57 softpipe_map_transfers(struct softpipe_context
*sp
)
61 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
62 sp_tile_cache_map_transfers(sp
->cbuf_cache
[i
]);
65 sp_tile_cache_map_transfers(sp
->zsbuf_cache
);
70 * Unmap any mapped drawing surfaces
73 softpipe_unmap_transfers(struct softpipe_context
*sp
)
77 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
78 sp_tile_cache_unmap_transfers(sp
->cbuf_cache
[i
]);
81 sp_tile_cache_unmap_transfers(sp
->zsbuf_cache
);
86 softpipe_destroy( struct pipe_context
*pipe
)
88 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
92 draw_destroy( softpipe
->draw
);
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
);
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
);
104 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
105 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
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
);
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
);
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
);
122 for (i
= 0; i
< PIPE_SHADER_TYPES
; i
++) {
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
);
132 tgsi_exec_machine_destroy(softpipe
->fs_machine
);
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
144 * return PIPE_UNREFERENCED
147 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
148 struct pipe_resource
*texture
,
149 unsigned level
, int layer
)
151 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
154 if (texture
->target
== PIPE_BUFFER
)
155 return PIPE_UNREFERENCED
;
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
;
165 if (softpipe
->framebuffer
.zsbuf
&&
166 softpipe
->framebuffer
.zsbuf
->texture
== texture
) {
167 return PIPE_REFERENCED_FOR_WRITE
;
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
;
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
;
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
;
188 return PIPE_UNREFERENCED
;
195 softpipe_render_condition( struct pipe_context
*pipe
,
196 struct pipe_query
*query
,
199 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
201 softpipe
->render_cond_query
= query
;
202 softpipe
->render_cond_mode
= mode
;
207 struct pipe_context
*
208 softpipe_create_context( struct pipe_screen
*screen
,
211 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
217 softpipe
->use_sse
= !debug_get_bool_option( "GALLIUM_NOSSE", FALSE
);
219 softpipe
->use_sse
= FALSE
;
222 softpipe
->dump_fs
= debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE
);
223 softpipe
->dump_gs
= debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE
);
225 softpipe
->pipe
.winsys
= NULL
;
226 softpipe
->pipe
.screen
= screen
;
227 softpipe
->pipe
.destroy
= softpipe_destroy
;
228 softpipe
->pipe
.priv
= priv
;
231 softpipe_init_blend_funcs(&softpipe
->pipe
);
232 softpipe_init_clip_funcs(&softpipe
->pipe
);
233 softpipe_init_query_funcs( softpipe
);
234 softpipe_init_rasterizer_funcs(&softpipe
->pipe
);
235 softpipe_init_sampler_funcs(&softpipe
->pipe
);
236 softpipe_init_shader_funcs(&softpipe
->pipe
);
237 softpipe_init_streamout_funcs(&softpipe
->pipe
);
238 softpipe_init_texture_funcs( &softpipe
->pipe
);
239 softpipe_init_vertex_funcs(&softpipe
->pipe
);
241 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
243 softpipe
->pipe
.draw_vbo
= softpipe_draw_vbo
;
244 softpipe
->pipe
.draw_stream_output
= softpipe_draw_stream_output
;
246 softpipe
->pipe
.clear
= softpipe_clear
;
247 softpipe
->pipe
.flush
= softpipe_flush
;
249 softpipe
->pipe
.is_resource_referenced
= softpipe_is_resource_referenced
;
251 softpipe
->pipe
.render_condition
= softpipe_render_condition
;
254 * Alloc caches for accessing drawing surfaces and textures.
255 * Must be before quad stage setup!
257 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
258 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( &softpipe
->pipe
);
259 softpipe
->zsbuf_cache
= sp_create_tile_cache( &softpipe
->pipe
);
261 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
262 softpipe
->tex_cache
[i
] = sp_create_tex_tile_cache( &softpipe
->pipe
);
263 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
264 softpipe
->vertex_tex_cache
[i
] = sp_create_tex_tile_cache( &softpipe
->pipe
);
266 for (i
= 0; i
< PIPE_MAX_GEOMETRY_SAMPLERS
; i
++) {
267 softpipe
->geometry_tex_cache
[i
] = sp_create_tex_tile_cache( &softpipe
->pipe
);
270 softpipe
->fs_machine
= tgsi_exec_machine_create();
272 /* setup quad rendering stages */
273 softpipe
->quad
.shade
= sp_quad_shade_stage(softpipe
);
274 softpipe
->quad
.depth_test
= sp_quad_depth_test_stage(softpipe
);
275 softpipe
->quad
.blend
= sp_quad_blend_stage(softpipe
);
276 softpipe
->quad
.pstipple
= sp_quad_polygon_stipple_stage(softpipe
);
280 * Create drawing context and plug our rendering stage into it.
282 softpipe
->draw
= draw_create(&softpipe
->pipe
);
286 draw_texture_samplers(softpipe
->draw
,
288 PIPE_MAX_VERTEX_SAMPLERS
,
289 (struct tgsi_sampler
**)
290 softpipe
->tgsi
.vert_samplers_list
);
292 draw_texture_samplers(softpipe
->draw
,
293 PIPE_SHADER_GEOMETRY
,
294 PIPE_MAX_GEOMETRY_SAMPLERS
,
295 (struct tgsi_sampler
**)
296 softpipe
->tgsi
.geom_samplers_list
);
298 if (debug_get_bool_option( "SP_NO_RAST", FALSE
))
299 softpipe
->no_rast
= TRUE
;
301 softpipe
->vbuf_backend
= sp_create_vbuf_backend(softpipe
);
302 if (!softpipe
->vbuf_backend
)
305 softpipe
->vbuf
= draw_vbuf_stage(softpipe
->draw
, softpipe
->vbuf_backend
);
309 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->vbuf
);
310 draw_set_render(softpipe
->draw
, softpipe
->vbuf_backend
);
313 /* plug in AA line/point stages */
314 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
315 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
317 /* Do polygon stipple w/ texture map + frag prog? */
318 #if DO_PSTIPPLE_IN_DRAW_MODULE
319 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
322 draw_wide_point_sprites(softpipe
->draw
, TRUE
);
324 sp_init_surface_functions(softpipe
);
326 return &softpipe
->pipe
;
329 softpipe_destroy(&softpipe
->pipe
);