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_inlines.h"
40 #include "sp_context.h"
42 #include "sp_prim_vbuf.h"
44 #include "sp_surface.h"
45 #include "sp_tile_cache.h"
46 #include "sp_tex_tile_cache.h"
47 #include "sp_texture.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_sampler_view_reference(&softpipe->sampler_views[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_sampler_view_reference(&softpipe->vertex_sampler_views[i], NULL);
115 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
118 for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) {
119 if (softpipe->constants[i][j]) {
120 pipe_resource_reference(&softpipe->constants[i][j], NULL);
130 * if (the texture is being used as a framebuffer surface)
131 * return PIPE_REFERENCED_FOR_WRITE
132 * else if (the texture is a bound texture source)
133 * return PIPE_REFERENCED_FOR_READ
135 * return PIPE_UNREFERENCED
138 softpipe_is_resource_referenced( struct pipe_context *pipe,
139 struct pipe_resource *texture,
140 unsigned face, unsigned level)
142 struct softpipe_context *softpipe = softpipe_context( pipe );
145 if (texture->target == PIPE_BUFFER)
146 return PIPE_UNREFERENCED;
148 /* check if any of the bound drawing surfaces are this texture */
149 if (softpipe->dirty_render_cache) {
150 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
151 if (softpipe->framebuffer.cbufs[i] &&
152 softpipe->framebuffer.cbufs[i]->texture == texture) {
153 return PIPE_REFERENCED_FOR_WRITE;
156 if (softpipe->framebuffer.zsbuf &&
157 softpipe->framebuffer.zsbuf->texture == texture) {
158 return PIPE_REFERENCED_FOR_WRITE;
162 /* check if any of the tex_cache textures are this texture */
163 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
164 if (softpipe->tex_cache[i] &&
165 softpipe->tex_cache[i]->texture == texture)
166 return PIPE_REFERENCED_FOR_READ;
168 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
169 if (softpipe->vertex_tex_cache[i] &&
170 softpipe->vertex_tex_cache[i]->texture == texture)
171 return PIPE_REFERENCED_FOR_READ;
174 return PIPE_UNREFERENCED;
181 softpipe_render_condition( struct pipe_context *pipe,
182 struct pipe_query *query,
185 struct softpipe_context *softpipe = softpipe_context( pipe );
187 softpipe->render_cond_query = query;
188 softpipe->render_cond_mode = mode;
193 struct pipe_context *
194 softpipe_create_context( struct pipe_screen *screen,
197 struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
203 softpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE );
205 softpipe->use_sse = FALSE;
208 softpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE );
209 softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
211 softpipe->pipe.winsys = NULL;
212 softpipe->pipe.screen = screen;
213 softpipe->pipe.destroy = softpipe_destroy;
214 softpipe->pipe.priv = priv;
217 softpipe->pipe.create_blend_state = softpipe_create_blend_state;
218 softpipe->pipe.bind_blend_state = softpipe_bind_blend_state;
219 softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
221 softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
222 softpipe->pipe.bind_fragment_sampler_states = softpipe_bind_sampler_states;
223 softpipe->pipe.bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
224 softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
226 softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
227 softpipe->pipe.bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state;
228 softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
230 softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
231 softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state;
232 softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
234 softpipe->pipe.create_fs_state = softpipe_create_fs_state;
235 softpipe->pipe.bind_fs_state = softpipe_bind_fs_state;
236 softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
238 softpipe->pipe.create_vs_state = softpipe_create_vs_state;
239 softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
240 softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
242 softpipe->pipe.create_gs_state = softpipe_create_gs_state;
243 softpipe->pipe.bind_gs_state = softpipe_bind_gs_state;
244 softpipe->pipe.delete_gs_state = softpipe_delete_gs_state;
246 softpipe->pipe.create_vertex_elements_state = softpipe_create_vertex_elements_state;
247 softpipe->pipe.bind_vertex_elements_state = softpipe_bind_vertex_elements_state;
248 softpipe->pipe.delete_vertex_elements_state = softpipe_delete_vertex_elements_state;
250 softpipe->pipe.set_blend_color = softpipe_set_blend_color;
251 softpipe->pipe.set_stencil_ref = softpipe_set_stencil_ref;
252 softpipe->pipe.set_clip_state = softpipe_set_clip_state;
253 softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
254 softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
255 softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
256 softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
257 softpipe->pipe.set_fragment_sampler_views = softpipe_set_sampler_views;
258 softpipe->pipe.set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
259 softpipe->pipe.create_sampler_view = softpipe_create_sampler_view;
260 softpipe->pipe.sampler_view_destroy = softpipe_sampler_view_destroy;
261 softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
263 softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers;
265 softpipe->pipe.draw_arrays = softpipe_draw_arrays;
266 softpipe->pipe.draw_elements = softpipe_draw_elements;
267 softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
268 softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced;
269 softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced;
271 softpipe->pipe.clear = softpipe_clear;
272 softpipe->pipe.flush = softpipe_flush;
274 softpipe->pipe.is_resource_referenced = softpipe_is_resource_referenced;
276 softpipe_init_query_funcs( softpipe );
277 softpipe_init_texture_funcs( &softpipe->pipe );
279 softpipe->pipe.render_condition = softpipe_render_condition;
282 * Alloc caches for accessing drawing surfaces and textures.
283 * Must be before quad stage setup!
285 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
286 softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
287 softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
289 for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
290 softpipe->tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
291 for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
292 softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe );
295 /* setup quad rendering stages */
296 softpipe->quad.shade = sp_quad_shade_stage(softpipe);
297 softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
298 softpipe->quad.blend = sp_quad_blend_stage(softpipe);
302 * Create drawing context and plug our rendering stage into it.
304 softpipe->draw = draw_create();
308 draw_texture_samplers(softpipe->draw,
309 PIPE_MAX_VERTEX_SAMPLERS,
310 (struct tgsi_sampler **)
311 softpipe->tgsi.vert_samplers_list);
313 if (debug_get_bool_option( "SP_NO_RAST", FALSE ))
314 softpipe->no_rast = TRUE;
316 softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
317 if (!softpipe->vbuf_backend)
320 softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
324 draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
325 draw_set_render(softpipe->draw, softpipe->vbuf_backend);
328 /* plug in AA line/point stages */
329 draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
330 draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
332 /* Do polygon stipple w/ texture map + frag prog? */
333 draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
335 sp_init_surface_functions(softpipe);
337 return &softpipe->pipe;
340 softpipe_destroy(&softpipe->pipe);