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_pstipple.h"
39 #include "util/u_inlines.h"
40 #include "tgsi/tgsi_exec.h"
41 #include "vl/vl_decoder.h"
42 #include "vl/vl_video_buffer.h"
44 #include "sp_context.h"
46 #include "sp_prim_vbuf.h"
48 #include "sp_surface.h"
49 #include "sp_tile_cache.h"
50 #include "sp_tex_tile_cache.h"
51 #include "sp_texture.h"
53 #include "sp_screen.h"
57 * Map any drawing surfaces which aren't already mapped
60 softpipe_map_transfers(struct softpipe_context
*sp
)
64 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
65 sp_tile_cache_map_transfers(sp
->cbuf_cache
[i
]);
68 sp_tile_cache_map_transfers(sp
->zsbuf_cache
);
73 * Unmap any mapped drawing surfaces
76 softpipe_unmap_transfers(struct softpipe_context
*sp
)
80 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
81 sp_tile_cache_unmap_transfers(sp
->cbuf_cache
[i
]);
84 sp_tile_cache_unmap_transfers(sp
->zsbuf_cache
);
89 softpipe_destroy( struct pipe_context
*pipe
)
91 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
94 #if DO_PSTIPPLE_IN_HELPER_MODULE
95 if (softpipe
->pstipple
.sampler
)
96 pipe
->delete_sampler_state(pipe
, softpipe
->pstipple
.sampler
);
98 pipe_resource_reference(&softpipe
->pstipple
.texture
, NULL
);
99 pipe_sampler_view_reference(&softpipe
->pstipple
.sampler_view
, NULL
);
103 draw_destroy( softpipe
->draw
);
105 if (softpipe
->quad
.shade
)
106 softpipe
->quad
.shade
->destroy( softpipe
->quad
.shade
);
108 if (softpipe
->quad
.depth_test
)
109 softpipe
->quad
.depth_test
->destroy( softpipe
->quad
.depth_test
);
111 if (softpipe
->quad
.blend
)
112 softpipe
->quad
.blend
->destroy( softpipe
->quad
.blend
);
114 if (softpipe
->quad
.pstipple
)
115 softpipe
->quad
.pstipple
->destroy( softpipe
->quad
.pstipple
);
117 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
118 sp_destroy_tile_cache(softpipe
->cbuf_cache
[i
]);
119 pipe_surface_reference(&softpipe
->framebuffer
.cbufs
[i
], NULL
);
122 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
123 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
125 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
126 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
127 sp_destroy_tex_tile_cache(softpipe
->tex_cache
[sh
][i
]);
128 pipe_sampler_view_reference(&softpipe
->sampler_views
[sh
][i
], NULL
);
132 for (sh
= 0; sh
< Elements(softpipe
->constants
); sh
++) {
133 for (i
= 0; i
< Elements(softpipe
->constants
[0]); i
++) {
134 if (softpipe
->constants
[sh
][i
]) {
135 pipe_resource_reference(&softpipe
->constants
[sh
][i
], NULL
);
140 for (i
= 0; i
< softpipe
->num_vertex_buffers
; i
++) {
141 pipe_resource_reference(&softpipe
->vertex_buffer
[i
].buffer
, NULL
);
144 tgsi_exec_machine_destroy(softpipe
->fs_machine
);
151 * if (the texture is being used as a framebuffer surface)
152 * return SP_REFERENCED_FOR_WRITE
153 * else if (the texture is a bound texture source)
154 * return SP_REFERENCED_FOR_READ
156 * return SP_UNREFERENCED
159 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
160 struct pipe_resource
*texture
,
161 unsigned level
, int layer
)
163 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
166 if (texture
->target
== PIPE_BUFFER
)
167 return SP_UNREFERENCED
;
169 /* check if any of the bound drawing surfaces are this texture */
170 if (softpipe
->dirty_render_cache
) {
171 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++) {
172 if (softpipe
->framebuffer
.cbufs
[i
] &&
173 softpipe
->framebuffer
.cbufs
[i
]->texture
== texture
) {
174 return SP_REFERENCED_FOR_WRITE
;
177 if (softpipe
->framebuffer
.zsbuf
&&
178 softpipe
->framebuffer
.zsbuf
->texture
== texture
) {
179 return SP_REFERENCED_FOR_WRITE
;
183 /* check if any of the tex_cache textures are this texture */
184 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
185 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
186 if (softpipe
->tex_cache
[sh
][i
] &&
187 softpipe
->tex_cache
[sh
][i
]->texture
== texture
)
188 return SP_REFERENCED_FOR_READ
;
192 return SP_UNREFERENCED
;
199 softpipe_render_condition( struct pipe_context
*pipe
,
200 struct pipe_query
*query
,
203 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
205 softpipe
->render_cond_query
= query
;
206 softpipe
->render_cond_mode
= mode
;
211 struct pipe_context
*
212 softpipe_create_context( struct pipe_screen
*screen
,
215 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
216 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
221 softpipe
->dump_fs
= debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE
);
222 softpipe
->dump_gs
= debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE
);
224 softpipe
->pipe
.screen
= screen
;
225 softpipe
->pipe
.destroy
= softpipe_destroy
;
226 softpipe
->pipe
.priv
= priv
;
229 softpipe_init_blend_funcs(&softpipe
->pipe
);
230 softpipe_init_clip_funcs(&softpipe
->pipe
);
231 softpipe_init_query_funcs( softpipe
);
232 softpipe_init_rasterizer_funcs(&softpipe
->pipe
);
233 softpipe_init_sampler_funcs(&softpipe
->pipe
);
234 softpipe_init_shader_funcs(&softpipe
->pipe
);
235 softpipe_init_streamout_funcs(&softpipe
->pipe
);
236 softpipe_init_texture_funcs( &softpipe
->pipe
);
237 softpipe_init_vertex_funcs(&softpipe
->pipe
);
239 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
241 softpipe
->pipe
.draw_vbo
= softpipe_draw_vbo
;
243 softpipe
->pipe
.clear
= softpipe_clear
;
244 softpipe
->pipe
.flush
= softpipe_flush_wrapped
;
246 softpipe
->pipe
.render_condition
= softpipe_render_condition
;
248 softpipe
->pipe
.create_video_decoder
= vl_create_decoder
;
249 softpipe
->pipe
.create_video_buffer
= vl_video_buffer_create
;
252 * Alloc caches for accessing drawing surfaces and textures.
253 * Must be before quad stage setup!
255 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
256 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( &softpipe
->pipe
);
257 softpipe
->zsbuf_cache
= sp_create_tile_cache( &softpipe
->pipe
);
259 /* Allocate texture caches */
260 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
261 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
262 softpipe
->tex_cache
[sh
][i
] = sp_create_tex_tile_cache(&softpipe
->pipe
);
263 if (!softpipe
->tex_cache
[sh
][i
])
268 softpipe
->fs_machine
= tgsi_exec_machine_create();
270 /* setup quad rendering stages */
271 softpipe
->quad
.shade
= sp_quad_shade_stage(softpipe
);
272 softpipe
->quad
.depth_test
= sp_quad_depth_test_stage(softpipe
);
273 softpipe
->quad
.blend
= sp_quad_blend_stage(softpipe
);
274 softpipe
->quad
.pstipple
= sp_quad_polygon_stipple_stage(softpipe
);
278 * Create drawing context and plug our rendering stage into it.
280 if (sp_screen
->use_llvm
)
281 softpipe
->draw
= draw_create(&softpipe
->pipe
);
283 softpipe
->draw
= draw_create_no_llvm(&softpipe
->pipe
);
287 draw_texture_samplers(softpipe
->draw
,
290 (struct tgsi_sampler
**)
291 softpipe
->tgsi
.samplers_list
[PIPE_SHADER_VERTEX
]);
293 draw_texture_samplers(softpipe
->draw
,
294 PIPE_SHADER_GEOMETRY
,
296 (struct tgsi_sampler
**)
297 softpipe
->tgsi
.samplers_list
[PIPE_SHADER_GEOMETRY
]);
299 if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE
))
300 softpipe
->no_rast
= TRUE
;
302 softpipe
->vbuf_backend
= sp_create_vbuf_backend(softpipe
);
303 if (!softpipe
->vbuf_backend
)
306 softpipe
->vbuf
= draw_vbuf_stage(softpipe
->draw
, softpipe
->vbuf_backend
);
310 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->vbuf
);
311 draw_set_render(softpipe
->draw
, softpipe
->vbuf_backend
);
314 /* plug in AA line/point stages */
315 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
316 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
318 /* Do polygon stipple w/ texture map + frag prog? */
319 #if DO_PSTIPPLE_IN_DRAW_MODULE
320 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
323 draw_wide_point_sprites(softpipe
->draw
, TRUE
);
325 sp_init_surface_functions(softpipe
);
327 #if DO_PSTIPPLE_IN_HELPER_MODULE
328 /* create the polgon stipple sampler */
329 softpipe
->pstipple
.sampler
= util_pstipple_create_sampler(&softpipe
->pipe
);
332 return &softpipe
->pipe
;
335 softpipe_destroy(&softpipe
->pipe
);