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"
39 #include "sp_context.h"
41 #include "sp_prim_vbuf.h"
43 #include "sp_surface.h"
44 #include "sp_tile_cache.h"
45 #include "sp_tex_tile_cache.h"
46 #include "sp_texture.h"
47 #include "sp_winsys.h"
53 * Map any drawing surfaces which aren't already mapped
56 softpipe_map_transfers(struct softpipe_context
*sp
)
60 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
61 sp_tile_cache_map_transfers(sp
->cbuf_cache
[i
]);
64 sp_tile_cache_map_transfers(sp
->zsbuf_cache
);
69 * Unmap any mapped drawing surfaces
72 softpipe_unmap_transfers(struct softpipe_context
*sp
)
76 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
77 sp_tile_cache_unmap_transfers(sp
->cbuf_cache
[i
]);
80 sp_tile_cache_unmap_transfers(sp
->zsbuf_cache
);
85 softpipe_destroy( struct pipe_context
*pipe
)
87 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
91 draw_destroy( softpipe
->draw
);
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
);
97 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
98 sp_destroy_tile_cache(softpipe
->cbuf_cache
[i
]);
99 pipe_surface_reference(&softpipe
->framebuffer
.cbufs
[i
], NULL
);
102 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
103 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
105 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
106 sp_destroy_tex_tile_cache(softpipe
->tex_cache
[i
]);
107 pipe_texture_reference(&softpipe
->texture
[i
], NULL
);
110 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
111 sp_destroy_tex_tile_cache(softpipe
->vertex_tex_cache
[i
]);
112 pipe_texture_reference(&softpipe
->vertex_textures
[i
], NULL
);
115 for (i
= 0; i
< Elements(softpipe
->constants
); i
++) {
116 if (softpipe
->constants
[i
].buffer
) {
117 pipe_buffer_reference(&softpipe
->constants
[i
].buffer
, NULL
);
126 * if (the texture is being used as a framebuffer surface)
127 * return PIPE_REFERENCED_FOR_WRITE
128 * else if (the texture is a bound texture source)
129 * return PIPE_REFERENCED_FOR_READ
131 * return PIPE_UNREFERENCED
134 softpipe_is_texture_referenced( struct pipe_context
*pipe
,
135 struct pipe_texture
*texture
,
136 unsigned face
, unsigned level
)
138 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
141 /* check if any of the bound drawing surfaces are this texture */
142 if (softpipe
->dirty_render_cache
) {
143 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++) {
144 if (softpipe
->framebuffer
.cbufs
[i
] &&
145 softpipe
->framebuffer
.cbufs
[i
]->texture
== texture
) {
146 return PIPE_REFERENCED_FOR_WRITE
;
149 if (softpipe
->framebuffer
.zsbuf
&&
150 softpipe
->framebuffer
.zsbuf
->texture
== texture
) {
151 return PIPE_REFERENCED_FOR_WRITE
;
155 /* check if any of the tex_cache textures are this texture */
156 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
157 if (softpipe
->tex_cache
[i
] &&
158 softpipe
->tex_cache
[i
]->texture
== texture
)
159 return PIPE_REFERENCED_FOR_READ
;
161 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
162 if (softpipe
->vertex_tex_cache
[i
] &&
163 softpipe
->vertex_tex_cache
[i
]->texture
== texture
)
164 return PIPE_REFERENCED_FOR_READ
;
167 return PIPE_UNREFERENCED
;
172 softpipe_is_buffer_referenced( struct pipe_context
*pipe
,
173 struct pipe_buffer
*buf
)
175 return PIPE_UNREFERENCED
;
179 struct pipe_context
*
180 softpipe_create( struct pipe_screen
*screen
)
182 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
188 softpipe
->use_sse
= !debug_get_bool_option( "GALLIUM_NOSSE", FALSE
);
190 softpipe
->use_sse
= FALSE
;
193 softpipe
->dump_fs
= debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE
);
195 softpipe
->pipe
.winsys
= screen
->winsys
;
196 softpipe
->pipe
.screen
= screen
;
197 softpipe
->pipe
.destroy
= softpipe_destroy
;
200 softpipe
->pipe
.create_blend_state
= softpipe_create_blend_state
;
201 softpipe
->pipe
.bind_blend_state
= softpipe_bind_blend_state
;
202 softpipe
->pipe
.delete_blend_state
= softpipe_delete_blend_state
;
204 softpipe
->pipe
.create_sampler_state
= softpipe_create_sampler_state
;
205 softpipe
->pipe
.bind_fragment_sampler_states
= softpipe_bind_sampler_states
;
206 softpipe
->pipe
.bind_vertex_sampler_states
= softpipe_bind_vertex_sampler_states
;
207 softpipe
->pipe
.delete_sampler_state
= softpipe_delete_sampler_state
;
209 softpipe
->pipe
.create_depth_stencil_alpha_state
= softpipe_create_depth_stencil_state
;
210 softpipe
->pipe
.bind_depth_stencil_alpha_state
= softpipe_bind_depth_stencil_state
;
211 softpipe
->pipe
.delete_depth_stencil_alpha_state
= softpipe_delete_depth_stencil_state
;
213 softpipe
->pipe
.create_rasterizer_state
= softpipe_create_rasterizer_state
;
214 softpipe
->pipe
.bind_rasterizer_state
= softpipe_bind_rasterizer_state
;
215 softpipe
->pipe
.delete_rasterizer_state
= softpipe_delete_rasterizer_state
;
217 softpipe
->pipe
.create_fs_state
= softpipe_create_fs_state
;
218 softpipe
->pipe
.bind_fs_state
= softpipe_bind_fs_state
;
219 softpipe
->pipe
.delete_fs_state
= softpipe_delete_fs_state
;
221 softpipe
->pipe
.create_vs_state
= softpipe_create_vs_state
;
222 softpipe
->pipe
.bind_vs_state
= softpipe_bind_vs_state
;
223 softpipe
->pipe
.delete_vs_state
= softpipe_delete_vs_state
;
225 softpipe
->pipe
.set_blend_color
= softpipe_set_blend_color
;
226 softpipe
->pipe
.set_clip_state
= softpipe_set_clip_state
;
227 softpipe
->pipe
.set_constant_buffer
= softpipe_set_constant_buffer
;
228 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
229 softpipe
->pipe
.set_polygon_stipple
= softpipe_set_polygon_stipple
;
230 softpipe
->pipe
.set_scissor_state
= softpipe_set_scissor_state
;
231 softpipe
->pipe
.set_fragment_sampler_textures
= softpipe_set_sampler_textures
;
232 softpipe
->pipe
.set_vertex_sampler_textures
= softpipe_set_vertex_sampler_textures
;
233 softpipe
->pipe
.set_viewport_state
= softpipe_set_viewport_state
;
235 softpipe
->pipe
.set_vertex_buffers
= softpipe_set_vertex_buffers
;
236 softpipe
->pipe
.set_vertex_elements
= softpipe_set_vertex_elements
;
238 softpipe
->pipe
.draw_arrays
= softpipe_draw_arrays
;
239 softpipe
->pipe
.draw_elements
= softpipe_draw_elements
;
240 softpipe
->pipe
.draw_range_elements
= softpipe_draw_range_elements
;
241 softpipe
->pipe
.draw_arrays_instanced
= softpipe_draw_arrays_instanced
;
242 softpipe
->pipe
.draw_elements_instanced
= softpipe_draw_elements_instanced
;
244 softpipe
->pipe
.clear
= softpipe_clear
;
245 softpipe
->pipe
.flush
= softpipe_flush
;
247 softpipe
->pipe
.is_texture_referenced
= softpipe_is_texture_referenced
;
248 softpipe
->pipe
.is_buffer_referenced
= softpipe_is_buffer_referenced
;
250 softpipe_init_query_funcs( softpipe
);
253 * Alloc caches for accessing drawing surfaces and textures.
254 * Must be before quad stage setup!
256 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
257 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( screen
);
258 softpipe
->zsbuf_cache
= sp_create_tile_cache( screen
);
260 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
261 softpipe
->tex_cache
[i
] = sp_create_tex_tile_cache( screen
);
262 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
263 softpipe
->vertex_tex_cache
[i
] = sp_create_tex_tile_cache(screen
);
266 /* setup quad rendering stages */
267 softpipe
->quad
.shade
= sp_quad_shade_stage(softpipe
);
268 softpipe
->quad
.depth_test
= sp_quad_depth_test_stage(softpipe
);
269 softpipe
->quad
.blend
= sp_quad_blend_stage(softpipe
);
273 * Create drawing context and plug our rendering stage into it.
275 softpipe
->draw
= draw_create();
279 draw_texture_samplers(softpipe
->draw
,
280 PIPE_MAX_VERTEX_SAMPLERS
,
281 (struct tgsi_sampler
**)
282 softpipe
->tgsi
.vert_samplers_list
);
284 if (debug_get_bool_option( "SP_NO_RAST", FALSE
))
285 softpipe
->no_rast
= TRUE
;
287 softpipe
->vbuf_backend
= sp_create_vbuf_backend(softpipe
);
288 if (!softpipe
->vbuf_backend
)
291 softpipe
->vbuf
= draw_vbuf_stage(softpipe
->draw
, softpipe
->vbuf_backend
);
295 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->vbuf
);
296 draw_set_render(softpipe
->draw
, softpipe
->vbuf_backend
);
299 /* plug in AA line/point stages */
300 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
301 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
303 /* Do polygon stipple w/ texture map + frag prog? */
304 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
306 sp_init_surface_functions(softpipe
);
308 return &softpipe
->pipe
;
311 softpipe_destroy(&softpipe
->pipe
);