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
);
101 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
102 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
104 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
105 sp_destroy_tex_tile_cache(softpipe
->tex_cache
[i
]);
106 pipe_texture_reference(&softpipe
->texture
[i
], NULL
);
109 for (i
= 0; i
< Elements(softpipe
->constants
); i
++) {
110 if (softpipe
->constants
[i
].buffer
) {
111 pipe_buffer_reference(&softpipe
->constants
[i
].buffer
, NULL
);
120 * if (the texture is being used as a framebuffer surface)
121 * return PIPE_REFERENCED_FOR_WRITE
122 * else if (the texture is a bound texture source)
123 * return PIPE_REFERENCED_FOR_READ
125 * return PIPE_UNREFERENCED
128 softpipe_is_texture_referenced( struct pipe_context
*pipe
,
129 struct pipe_texture
*texture
,
130 unsigned face
, unsigned level
)
132 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
135 /* check if any of the bound drawing surfaces are this texture */
136 if (softpipe
->dirty_render_cache
) {
137 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++) {
138 if (softpipe
->framebuffer
.cbufs
[i
] &&
139 softpipe
->framebuffer
.cbufs
[i
]->texture
== texture
) {
140 return PIPE_REFERENCED_FOR_WRITE
;
143 if (softpipe
->framebuffer
.zsbuf
&&
144 softpipe
->framebuffer
.zsbuf
->texture
== texture
) {
145 return PIPE_REFERENCED_FOR_WRITE
;
149 /* check if any of the tex_cache textures are this texture */
150 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
151 if (softpipe
->tex_cache
[i
] &&
152 softpipe
->tex_cache
[i
]->texture
== texture
)
153 return PIPE_REFERENCED_FOR_READ
;
156 return PIPE_UNREFERENCED
;
161 softpipe_is_buffer_referenced( struct pipe_context
*pipe
,
162 struct pipe_buffer
*buf
)
164 return PIPE_UNREFERENCED
;
168 struct pipe_context
*
169 softpipe_create( struct pipe_screen
*screen
)
171 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
177 softpipe
->use_sse
= !debug_get_bool_option( "GALLIUM_NOSSE", FALSE
);
179 softpipe
->use_sse
= FALSE
;
182 softpipe
->dump_fs
= debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE
);
184 softpipe
->pipe
.winsys
= screen
->winsys
;
185 softpipe
->pipe
.screen
= screen
;
186 softpipe
->pipe
.destroy
= softpipe_destroy
;
189 softpipe
->pipe
.create_blend_state
= softpipe_create_blend_state
;
190 softpipe
->pipe
.bind_blend_state
= softpipe_bind_blend_state
;
191 softpipe
->pipe
.delete_blend_state
= softpipe_delete_blend_state
;
193 softpipe
->pipe
.create_sampler_state
= softpipe_create_sampler_state
;
194 softpipe
->pipe
.bind_sampler_states
= softpipe_bind_sampler_states
;
195 softpipe
->pipe
.delete_sampler_state
= softpipe_delete_sampler_state
;
197 softpipe
->pipe
.create_depth_stencil_alpha_state
= softpipe_create_depth_stencil_state
;
198 softpipe
->pipe
.bind_depth_stencil_alpha_state
= softpipe_bind_depth_stencil_state
;
199 softpipe
->pipe
.delete_depth_stencil_alpha_state
= softpipe_delete_depth_stencil_state
;
201 softpipe
->pipe
.create_rasterizer_state
= softpipe_create_rasterizer_state
;
202 softpipe
->pipe
.bind_rasterizer_state
= softpipe_bind_rasterizer_state
;
203 softpipe
->pipe
.delete_rasterizer_state
= softpipe_delete_rasterizer_state
;
205 softpipe
->pipe
.create_fs_state
= softpipe_create_fs_state
;
206 softpipe
->pipe
.bind_fs_state
= softpipe_bind_fs_state
;
207 softpipe
->pipe
.delete_fs_state
= softpipe_delete_fs_state
;
209 softpipe
->pipe
.create_vs_state
= softpipe_create_vs_state
;
210 softpipe
->pipe
.bind_vs_state
= softpipe_bind_vs_state
;
211 softpipe
->pipe
.delete_vs_state
= softpipe_delete_vs_state
;
213 softpipe
->pipe
.set_blend_color
= softpipe_set_blend_color
;
214 softpipe
->pipe
.set_clip_state
= softpipe_set_clip_state
;
215 softpipe
->pipe
.set_constant_buffer
= softpipe_set_constant_buffer
;
216 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
217 softpipe
->pipe
.set_polygon_stipple
= softpipe_set_polygon_stipple
;
218 softpipe
->pipe
.set_scissor_state
= softpipe_set_scissor_state
;
219 softpipe
->pipe
.set_sampler_textures
= softpipe_set_sampler_textures
;
220 softpipe
->pipe
.set_viewport_state
= softpipe_set_viewport_state
;
222 softpipe
->pipe
.set_vertex_buffers
= softpipe_set_vertex_buffers
;
223 softpipe
->pipe
.set_vertex_elements
= softpipe_set_vertex_elements
;
225 softpipe
->pipe
.draw_arrays
= softpipe_draw_arrays
;
226 softpipe
->pipe
.draw_elements
= softpipe_draw_elements
;
227 softpipe
->pipe
.draw_range_elements
= softpipe_draw_range_elements
;
228 softpipe
->pipe
.set_edgeflags
= softpipe_set_edgeflags
;
231 softpipe
->pipe
.clear
= softpipe_clear
;
232 softpipe
->pipe
.flush
= softpipe_flush
;
234 softpipe
->pipe
.is_texture_referenced
= softpipe_is_texture_referenced
;
235 softpipe
->pipe
.is_buffer_referenced
= softpipe_is_buffer_referenced
;
237 softpipe_init_query_funcs( softpipe
);
240 * Alloc caches for accessing drawing surfaces and textures.
241 * Must be before quad stage setup!
243 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
244 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( screen
);
245 softpipe
->zsbuf_cache
= sp_create_tile_cache( screen
);
247 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
248 softpipe
->tex_cache
[i
] = sp_create_tex_tile_cache( screen
);
251 /* setup quad rendering stages */
252 softpipe
->quad
.shade
= sp_quad_shade_stage(softpipe
);
253 softpipe
->quad
.depth_test
= sp_quad_depth_test_stage(softpipe
);
254 softpipe
->quad
.blend
= sp_quad_blend_stage(softpipe
);
258 * Create drawing context and plug our rendering stage into it.
260 softpipe
->draw
= draw_create();
264 draw_texture_samplers(softpipe
->draw
,
266 (struct tgsi_sampler
**)
267 softpipe
->tgsi
.vert_samplers_list
);
269 if (debug_get_bool_option( "SP_NO_RAST", FALSE
))
270 softpipe
->no_rast
= TRUE
;
272 softpipe
->vbuf_backend
= sp_create_vbuf_backend(softpipe
);
273 if (!softpipe
->vbuf_backend
)
276 softpipe
->vbuf
= draw_vbuf_stage(softpipe
->draw
, softpipe
->vbuf_backend
);
280 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->vbuf
);
281 draw_set_render(softpipe
->draw
, softpipe
->vbuf_backend
);
284 /* plug in AA line/point stages */
285 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
286 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
288 /* Do polygon stipple w/ texture map + frag prog? */
289 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
291 sp_init_surface_functions(softpipe
);
293 return &softpipe
->pipe
;
296 softpipe_destroy(&softpipe
->pipe
);