1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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"
42 #include "sp_context.h"
44 #include "sp_prim_vbuf.h"
46 #include "sp_surface.h"
47 #include "sp_tile_cache.h"
48 #include "sp_tex_tile_cache.h"
49 #include "sp_texture.h"
51 #include "sp_screen.h"
52 #include "sp_tex_sample.h"
56 softpipe_destroy( struct pipe_context
*pipe
)
58 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
61 #if DO_PSTIPPLE_IN_HELPER_MODULE
62 if (softpipe
->pstipple
.sampler
)
63 pipe
->delete_sampler_state(pipe
, softpipe
->pstipple
.sampler
);
65 pipe_resource_reference(&softpipe
->pstipple
.texture
, NULL
);
66 pipe_sampler_view_reference(&softpipe
->pstipple
.sampler_view
, NULL
);
69 if (softpipe
->blitter
) {
70 util_blitter_destroy(softpipe
->blitter
);
74 draw_destroy( softpipe
->draw
);
76 if (softpipe
->quad
.shade
)
77 softpipe
->quad
.shade
->destroy( softpipe
->quad
.shade
);
79 if (softpipe
->quad
.depth_test
)
80 softpipe
->quad
.depth_test
->destroy( softpipe
->quad
.depth_test
);
82 if (softpipe
->quad
.blend
)
83 softpipe
->quad
.blend
->destroy( softpipe
->quad
.blend
);
85 if (softpipe
->quad
.pstipple
)
86 softpipe
->quad
.pstipple
->destroy( softpipe
->quad
.pstipple
);
88 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
89 sp_destroy_tile_cache(softpipe
->cbuf_cache
[i
]);
90 pipe_surface_reference(&softpipe
->framebuffer
.cbufs
[i
], NULL
);
93 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
94 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
96 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
97 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
98 sp_destroy_tex_tile_cache(softpipe
->tex_cache
[sh
][i
]);
99 pipe_sampler_view_reference(&softpipe
->sampler_views
[sh
][i
], NULL
);
103 for (sh
= 0; sh
< Elements(softpipe
->constants
); sh
++) {
104 for (i
= 0; i
< Elements(softpipe
->constants
[0]); i
++) {
105 if (softpipe
->constants
[sh
][i
]) {
106 pipe_resource_reference(&softpipe
->constants
[sh
][i
], NULL
);
111 for (i
= 0; i
< softpipe
->num_vertex_buffers
; i
++) {
112 pipe_resource_reference(&softpipe
->vertex_buffer
[i
].buffer
, NULL
);
115 tgsi_exec_machine_destroy(softpipe
->fs_machine
);
117 for (i
= 0; i
< PIPE_SHADER_TYPES
; i
++) {
118 FREE(softpipe
->tgsi
.sampler
[i
]);
126 * if (the texture is being used as a framebuffer surface)
127 * return SP_REFERENCED_FOR_WRITE
128 * else if (the texture is a bound texture source)
129 * return SP_REFERENCED_FOR_READ
131 * return SP_UNREFERENCED
134 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
135 struct pipe_resource
*texture
,
136 unsigned level
, int layer
)
138 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
141 if (texture
->target
== PIPE_BUFFER
)
142 return SP_UNREFERENCED
;
144 /* check if any of the bound drawing surfaces are this texture */
145 if (softpipe
->dirty_render_cache
) {
146 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++) {
147 if (softpipe
->framebuffer
.cbufs
[i
] &&
148 softpipe
->framebuffer
.cbufs
[i
]->texture
== texture
) {
149 return SP_REFERENCED_FOR_WRITE
;
152 if (softpipe
->framebuffer
.zsbuf
&&
153 softpipe
->framebuffer
.zsbuf
->texture
== texture
) {
154 return SP_REFERENCED_FOR_WRITE
;
158 /* check if any of the tex_cache textures are this texture */
159 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
160 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
161 if (softpipe
->tex_cache
[sh
][i
] &&
162 softpipe
->tex_cache
[sh
][i
]->texture
== texture
)
163 return SP_REFERENCED_FOR_READ
;
167 return SP_UNREFERENCED
;
174 softpipe_render_condition( struct pipe_context
*pipe
,
175 struct pipe_query
*query
,
179 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
181 softpipe
->render_cond_query
= query
;
182 softpipe
->render_cond_mode
= mode
;
183 softpipe
->render_cond_cond
= condition
;
188 struct pipe_context
*
189 softpipe_create_context(struct pipe_screen
*screen
,
190 void *priv
, unsigned flags
)
192 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
193 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
198 for (i
= 0; i
< PIPE_SHADER_TYPES
; i
++) {
199 softpipe
->tgsi
.sampler
[i
] = sp_create_tgsi_sampler();
202 softpipe
->dump_fs
= debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE
);
203 softpipe
->dump_gs
= debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE
);
205 softpipe
->pipe
.screen
= screen
;
206 softpipe
->pipe
.destroy
= softpipe_destroy
;
207 softpipe
->pipe
.priv
= priv
;
210 softpipe_init_blend_funcs(&softpipe
->pipe
);
211 softpipe_init_clip_funcs(&softpipe
->pipe
);
212 softpipe_init_query_funcs( softpipe
);
213 softpipe_init_rasterizer_funcs(&softpipe
->pipe
);
214 softpipe_init_sampler_funcs(&softpipe
->pipe
);
215 softpipe_init_shader_funcs(&softpipe
->pipe
);
216 softpipe_init_streamout_funcs(&softpipe
->pipe
);
217 softpipe_init_texture_funcs( &softpipe
->pipe
);
218 softpipe_init_vertex_funcs(&softpipe
->pipe
);
220 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
222 softpipe
->pipe
.draw_vbo
= softpipe_draw_vbo
;
224 softpipe
->pipe
.clear
= softpipe_clear
;
225 softpipe
->pipe
.flush
= softpipe_flush_wrapped
;
227 softpipe
->pipe
.render_condition
= softpipe_render_condition
;
230 * Alloc caches for accessing drawing surfaces and textures.
231 * Must be before quad stage setup!
233 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
234 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( &softpipe
->pipe
);
235 softpipe
->zsbuf_cache
= sp_create_tile_cache( &softpipe
->pipe
);
237 /* Allocate texture caches */
238 for (sh
= 0; sh
< Elements(softpipe
->tex_cache
); sh
++) {
239 for (i
= 0; i
< Elements(softpipe
->tex_cache
[0]); i
++) {
240 softpipe
->tex_cache
[sh
][i
] = sp_create_tex_tile_cache(&softpipe
->pipe
);
241 if (!softpipe
->tex_cache
[sh
][i
])
246 softpipe
->fs_machine
= tgsi_exec_machine_create();
248 /* setup quad rendering stages */
249 softpipe
->quad
.shade
= sp_quad_shade_stage(softpipe
);
250 softpipe
->quad
.depth_test
= sp_quad_depth_test_stage(softpipe
);
251 softpipe
->quad
.blend
= sp_quad_blend_stage(softpipe
);
252 softpipe
->quad
.pstipple
= sp_quad_polygon_stipple_stage(softpipe
);
256 * Create drawing context and plug our rendering stage into it.
258 if (sp_screen
->use_llvm
)
259 softpipe
->draw
= draw_create(&softpipe
->pipe
);
261 softpipe
->draw
= draw_create_no_llvm(&softpipe
->pipe
);
265 draw_texture_sampler(softpipe
->draw
,
267 (struct tgsi_sampler
*)
268 softpipe
->tgsi
.sampler
[PIPE_SHADER_VERTEX
]);
270 draw_texture_sampler(softpipe
->draw
,
271 PIPE_SHADER_GEOMETRY
,
272 (struct tgsi_sampler
*)
273 softpipe
->tgsi
.sampler
[PIPE_SHADER_GEOMETRY
]);
275 if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE
))
276 softpipe
->no_rast
= TRUE
;
278 softpipe
->vbuf_backend
= sp_create_vbuf_backend(softpipe
);
279 if (!softpipe
->vbuf_backend
)
282 softpipe
->vbuf
= draw_vbuf_stage(softpipe
->draw
, softpipe
->vbuf_backend
);
286 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->vbuf
);
287 draw_set_render(softpipe
->draw
, softpipe
->vbuf_backend
);
289 softpipe
->blitter
= util_blitter_create(&softpipe
->pipe
);
290 if (!softpipe
->blitter
) {
294 /* must be done before installing Draw stages */
295 util_blitter_cache_all_shaders(softpipe
->blitter
);
297 /* plug in AA line/point stages */
298 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
299 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
301 /* Do polygon stipple w/ texture map + frag prog? */
302 #if DO_PSTIPPLE_IN_DRAW_MODULE
303 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
306 draw_wide_point_sprites(softpipe
->draw
, TRUE
);
308 sp_init_surface_functions(softpipe
);
310 #if DO_PSTIPPLE_IN_HELPER_MODULE
311 /* create the polgon stipple sampler */
312 softpipe
->pstipple
.sampler
= util_pstipple_create_sampler(&softpipe
->pipe
);
315 return &softpipe
->pipe
;
318 softpipe_destroy(&softpipe
->pipe
);