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 "pipe/p_defines.h"
35 #include "util/u_math.h"
36 #include "util/u_memory.h"
38 #include "sp_context.h"
40 #include "sp_prim_setup.h"
41 #include "sp_prim_vbuf.h"
43 #include "sp_surface.h"
44 #include "sp_tile_cache.h"
45 #include "sp_texture.h"
46 #include "sp_winsys.h"
52 * Map any drawing surfaces which aren't already mapped
55 softpipe_map_transfers(struct softpipe_context
*sp
)
59 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
60 sp_tile_cache_map_transfers(sp
->cbuf_cache
[i
]);
63 sp_tile_cache_map_transfers(sp
->zsbuf_cache
);
68 * Unmap any mapped drawing surfaces
71 softpipe_unmap_transfers(struct softpipe_context
*sp
)
75 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++)
76 sp_flush_tile_cache(sp
, sp
->cbuf_cache
[i
]);
77 sp_flush_tile_cache(sp
, sp
->zsbuf_cache
);
79 for (i
= 0; i
< sp
->framebuffer
.nr_cbufs
; i
++) {
80 sp_tile_cache_unmap_transfers(sp
->cbuf_cache
[i
]);
82 sp_tile_cache_unmap_transfers(sp
->zsbuf_cache
);
86 static void softpipe_destroy( struct pipe_context
*pipe
)
88 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
92 draw_destroy( softpipe
->draw
);
94 for (i
= 0; i
< SP_NUM_QUAD_THREADS
; i
++) {
95 softpipe
->quad
[i
].polygon_stipple
->destroy( softpipe
->quad
[i
].polygon_stipple
);
96 softpipe
->quad
[i
].earlyz
->destroy( softpipe
->quad
[i
].earlyz
);
97 softpipe
->quad
[i
].shade
->destroy( softpipe
->quad
[i
].shade
);
98 softpipe
->quad
[i
].alpha_test
->destroy( softpipe
->quad
[i
].alpha_test
);
99 softpipe
->quad
[i
].depth_test
->destroy( softpipe
->quad
[i
].depth_test
);
100 softpipe
->quad
[i
].stencil_test
->destroy( softpipe
->quad
[i
].stencil_test
);
101 softpipe
->quad
[i
].occlusion
->destroy( softpipe
->quad
[i
].occlusion
);
102 softpipe
->quad
[i
].coverage
->destroy( softpipe
->quad
[i
].coverage
);
103 softpipe
->quad
[i
].blend
->destroy( softpipe
->quad
[i
].blend
);
104 softpipe
->quad
[i
].colormask
->destroy( softpipe
->quad
[i
].colormask
);
105 softpipe
->quad
[i
].output
->destroy( softpipe
->quad
[i
].output
);
108 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
109 sp_destroy_tile_cache(softpipe
->cbuf_cache
[i
]);
110 pipe_surface_reference(&softpipe
->framebuffer
.cbufs
[i
], NULL
);
112 sp_destroy_tile_cache(softpipe
->zsbuf_cache
);
113 pipe_surface_reference(&softpipe
->framebuffer
.zsbuf
, NULL
);
115 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
116 sp_destroy_tile_cache(softpipe
->tex_cache
[i
]);
117 pipe_texture_reference(&softpipe
->texture
[i
], NULL
);
120 for (i
= 0; i
< Elements(softpipe
->constants
); i
++) {
121 if (softpipe
->constants
[i
].buffer
) {
122 pipe_buffer_reference(&softpipe
->constants
[i
].buffer
, NULL
);
130 softpipe_is_texture_referenced( struct pipe_context
*pipe
,
131 struct pipe_texture
*texture
,
132 unsigned face
, unsigned level
)
134 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
137 if(softpipe
->dirty_render_cache
) {
138 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++) {
139 if(softpipe
->framebuffer
.cbufs
[i
] &&
140 softpipe
->framebuffer
.cbufs
[i
]->texture
== texture
)
141 return PIPE_REFERENCED_FOR_WRITE
;
143 if(softpipe
->framebuffer
.zsbuf
&&
144 softpipe
->framebuffer
.zsbuf
->texture
== texture
)
145 return PIPE_REFERENCED_FOR_WRITE
;
148 /* FIXME: we also need to do the same for the texture cache */
150 return PIPE_UNREFERENCED
;
154 softpipe_is_buffer_referenced( struct pipe_context
*pipe
,
155 struct pipe_buffer
*buf
)
157 return PIPE_UNREFERENCED
;
160 struct pipe_context
*
161 softpipe_create( struct pipe_screen
*screen
)
163 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
169 softpipe
->use_sse
= !debug_get_bool_option( "GALLIUM_NOSSE", FALSE
);
171 softpipe
->use_sse
= FALSE
;
174 softpipe
->dump_fs
= debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE
);
176 softpipe
->pipe
.winsys
= screen
->winsys
;
177 softpipe
->pipe
.screen
= screen
;
178 softpipe
->pipe
.destroy
= softpipe_destroy
;
181 softpipe
->pipe
.create_blend_state
= softpipe_create_blend_state
;
182 softpipe
->pipe
.bind_blend_state
= softpipe_bind_blend_state
;
183 softpipe
->pipe
.delete_blend_state
= softpipe_delete_blend_state
;
185 softpipe
->pipe
.create_sampler_state
= softpipe_create_sampler_state
;
186 softpipe
->pipe
.bind_sampler_states
= softpipe_bind_sampler_states
;
187 softpipe
->pipe
.delete_sampler_state
= softpipe_delete_sampler_state
;
189 softpipe
->pipe
.create_depth_stencil_alpha_state
= softpipe_create_depth_stencil_state
;
190 softpipe
->pipe
.bind_depth_stencil_alpha_state
= softpipe_bind_depth_stencil_state
;
191 softpipe
->pipe
.delete_depth_stencil_alpha_state
= softpipe_delete_depth_stencil_state
;
193 softpipe
->pipe
.create_rasterizer_state
= softpipe_create_rasterizer_state
;
194 softpipe
->pipe
.bind_rasterizer_state
= softpipe_bind_rasterizer_state
;
195 softpipe
->pipe
.delete_rasterizer_state
= softpipe_delete_rasterizer_state
;
197 softpipe
->pipe
.create_fs_state
= softpipe_create_fs_state
;
198 softpipe
->pipe
.bind_fs_state
= softpipe_bind_fs_state
;
199 softpipe
->pipe
.delete_fs_state
= softpipe_delete_fs_state
;
201 softpipe
->pipe
.create_vs_state
= softpipe_create_vs_state
;
202 softpipe
->pipe
.bind_vs_state
= softpipe_bind_vs_state
;
203 softpipe
->pipe
.delete_vs_state
= softpipe_delete_vs_state
;
205 softpipe
->pipe
.set_blend_color
= softpipe_set_blend_color
;
206 softpipe
->pipe
.set_clip_state
= softpipe_set_clip_state
;
207 softpipe
->pipe
.set_constant_buffer
= softpipe_set_constant_buffer
;
208 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
209 softpipe
->pipe
.set_polygon_stipple
= softpipe_set_polygon_stipple
;
210 softpipe
->pipe
.set_scissor_state
= softpipe_set_scissor_state
;
211 softpipe
->pipe
.set_sampler_textures
= softpipe_set_sampler_textures
;
212 softpipe
->pipe
.set_viewport_state
= softpipe_set_viewport_state
;
214 softpipe
->pipe
.set_vertex_buffers
= softpipe_set_vertex_buffers
;
215 softpipe
->pipe
.set_vertex_elements
= softpipe_set_vertex_elements
;
217 softpipe
->pipe
.draw_arrays
= softpipe_draw_arrays
;
218 softpipe
->pipe
.draw_elements
= softpipe_draw_elements
;
219 softpipe
->pipe
.draw_range_elements
= softpipe_draw_range_elements
;
220 softpipe
->pipe
.set_edgeflags
= softpipe_set_edgeflags
;
223 softpipe
->pipe
.clear
= softpipe_clear
;
224 softpipe
->pipe
.flush
= softpipe_flush
;
226 softpipe
->pipe
.is_texture_referenced
= softpipe_is_texture_referenced
;
227 softpipe
->pipe
.is_buffer_referenced
= softpipe_is_buffer_referenced
;
229 softpipe_init_query_funcs( softpipe
);
230 softpipe_init_texture_funcs( softpipe
);
233 * Alloc caches for accessing drawing surfaces and textures.
234 * Must be before quad stage setup!
236 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
237 softpipe
->cbuf_cache
[i
] = sp_create_tile_cache( screen
);
238 softpipe
->zsbuf_cache
= sp_create_tile_cache( screen
);
240 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
241 softpipe
->tex_cache
[i
] = sp_create_tile_cache( screen
);
244 /* setup quad rendering stages */
245 for (i
= 0; i
< SP_NUM_QUAD_THREADS
; i
++) {
246 softpipe
->quad
[i
].polygon_stipple
= sp_quad_polygon_stipple_stage(softpipe
);
247 softpipe
->quad
[i
].earlyz
= sp_quad_earlyz_stage(softpipe
);
248 softpipe
->quad
[i
].shade
= sp_quad_shade_stage(softpipe
);
249 softpipe
->quad
[i
].alpha_test
= sp_quad_alpha_test_stage(softpipe
);
250 softpipe
->quad
[i
].depth_test
= sp_quad_depth_test_stage(softpipe
);
251 softpipe
->quad
[i
].stencil_test
= sp_quad_stencil_test_stage(softpipe
);
252 softpipe
->quad
[i
].occlusion
= sp_quad_occlusion_stage(softpipe
);
253 softpipe
->quad
[i
].coverage
= sp_quad_coverage_stage(softpipe
);
254 softpipe
->quad
[i
].blend
= sp_quad_blend_stage(softpipe
);
255 softpipe
->quad
[i
].colormask
= sp_quad_colormask_stage(softpipe
);
256 softpipe
->quad
[i
].output
= sp_quad_output_stage(softpipe
);
259 /* vertex shader samplers */
260 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
261 softpipe
->tgsi
.vert_samplers
[i
].base
.get_samples
= sp_get_samples_vertex
;
262 softpipe
->tgsi
.vert_samplers
[i
].unit
= i
;
263 softpipe
->tgsi
.vert_samplers
[i
].sp
= softpipe
;
264 softpipe
->tgsi
.vert_samplers
[i
].cache
= softpipe
->tex_cache
[i
];
265 softpipe
->tgsi
.vert_samplers_list
[i
] = &softpipe
->tgsi
.vert_samplers
[i
];
268 /* fragment shader samplers */
269 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
270 softpipe
->tgsi
.frag_samplers
[i
].base
.get_samples
= sp_get_samples_fragment
;
271 softpipe
->tgsi
.frag_samplers
[i
].unit
= i
;
272 softpipe
->tgsi
.frag_samplers
[i
].sp
= softpipe
;
273 softpipe
->tgsi
.frag_samplers
[i
].cache
= softpipe
->tex_cache
[i
];
274 softpipe
->tgsi
.frag_samplers_list
[i
] = &softpipe
->tgsi
.frag_samplers
[i
];
278 * Create drawing context and plug our rendering stage into it.
280 softpipe
->draw
= draw_create();
284 draw_texture_samplers(softpipe
->draw
,
286 (struct tgsi_sampler
**)
287 softpipe
->tgsi
.vert_samplers_list
);
289 softpipe
->setup
= sp_draw_render_stage(softpipe
);
290 if (!softpipe
->setup
)
293 if (debug_get_bool_option( "SP_NO_RAST", FALSE
))
294 softpipe
->no_rast
= TRUE
;
296 if (debug_get_bool_option( "SP_NO_VBUF", FALSE
)) {
297 /* Deprecated path -- vbuf is the intended interface to the draw module:
299 draw_set_rasterize_stage(softpipe
->draw
, softpipe
->setup
);
302 sp_init_vbuf(softpipe
);
305 /* plug in AA line/point stages */
306 draw_install_aaline_stage(softpipe
->draw
, &softpipe
->pipe
);
307 draw_install_aapoint_stage(softpipe
->draw
, &softpipe
->pipe
);
309 #if USE_DRAW_STAGE_PSTIPPLE
310 /* Do polygon stipple w/ texture map + frag prog? */
311 draw_install_pstipple_stage(softpipe
->draw
, &softpipe
->pipe
);
314 sp_init_surface_functions(softpipe
);
316 return &softpipe
->pipe
;
319 softpipe_destroy(&softpipe
->pipe
);