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 "lp_context.h"
40 #include "lp_prim_setup.h"
41 #include "lp_prim_vbuf.h"
43 #include "lp_surface.h"
44 #include "lp_tile_cache.h"
45 #include "lp_tex_cache.h"
46 #include "lp_texture.h"
47 #include "lp_winsys.h"
53 * Map any drawing surfaces which aren't already mapped
56 llvmpipe_map_transfers(struct llvmpipe_context
*lp
)
60 for (i
= 0; i
< lp
->framebuffer
.nr_cbufs
; i
++) {
61 lp_tile_cache_map_transfers(lp
->cbuf_cache
[i
]);
64 lp_tile_cache_map_transfers(lp
->zsbuf_cache
);
69 * Unmap any mapped drawing surfaces
72 llvmpipe_unmap_transfers(struct llvmpipe_context
*lp
)
76 for (i
= 0; i
< lp
->framebuffer
.nr_cbufs
; i
++) {
77 lp_tile_cache_unmap_transfers(lp
->cbuf_cache
[i
]);
80 lp_tile_cache_unmap_transfers(lp
->zsbuf_cache
);
84 static void llvmpipe_destroy( struct pipe_context
*pipe
)
86 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
90 draw_destroy( llvmpipe
->draw
);
92 llvmpipe
->quad
.shade
->destroy( llvmpipe
->quad
.shade
);
93 llvmpipe
->quad
.depth_test
->destroy( llvmpipe
->quad
.depth_test
);
94 llvmpipe
->quad
.blend
->destroy( llvmpipe
->quad
.blend
);
96 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
97 lp_destroy_tile_cache(llvmpipe
->cbuf_cache
[i
]);
98 lp_destroy_tile_cache(llvmpipe
->zsbuf_cache
);
100 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
101 lp_destroy_tex_tile_cache(llvmpipe
->tex_cache
[i
]);
103 for (i
= 0; i
< Elements(llvmpipe
->constants
); i
++) {
104 if (llvmpipe
->constants
[i
].buffer
) {
105 pipe_buffer_reference(&llvmpipe
->constants
[i
].buffer
, NULL
);
113 llvmpipe_is_texture_referenced( struct pipe_context
*pipe
,
114 struct pipe_texture
*texture
,
115 unsigned face
, unsigned level
)
117 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
120 if(llvmpipe
->dirty_render_cache
) {
121 for (i
= 0; i
< llvmpipe
->framebuffer
.nr_cbufs
; i
++) {
122 if(llvmpipe
->framebuffer
.cbufs
[i
] &&
123 llvmpipe
->framebuffer
.cbufs
[i
]->texture
== texture
)
124 return PIPE_REFERENCED_FOR_WRITE
;
126 if(llvmpipe
->framebuffer
.zsbuf
&&
127 llvmpipe
->framebuffer
.zsbuf
->texture
== texture
)
128 return PIPE_REFERENCED_FOR_WRITE
;
131 /* FIXME: we also need to do the same for the texture cache */
133 return PIPE_UNREFERENCED
;
137 llvmpipe_is_buffer_referenced( struct pipe_context
*pipe
,
138 struct pipe_buffer
*buf
)
140 return PIPE_UNREFERENCED
;
143 struct pipe_context
*
144 llvmpipe_create( struct pipe_screen
*screen
)
146 struct llvmpipe_context
*llvmpipe
= CALLOC_STRUCT(llvmpipe_context
);
152 llvmpipe
->use_sse
= !debug_get_bool_option( "GALLIUM_NOSSE", FALSE
);
154 llvmpipe
->use_sse
= FALSE
;
157 llvmpipe
->dump_fs
= debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE
);
159 llvmpipe
->pipe
.winsys
= screen
->winsys
;
160 llvmpipe
->pipe
.screen
= screen
;
161 llvmpipe
->pipe
.destroy
= llvmpipe_destroy
;
164 llvmpipe
->pipe
.create_blend_state
= llvmpipe_create_blend_state
;
165 llvmpipe
->pipe
.bind_blend_state
= llvmpipe_bind_blend_state
;
166 llvmpipe
->pipe
.delete_blend_state
= llvmpipe_delete_blend_state
;
168 llvmpipe
->pipe
.create_sampler_state
= llvmpipe_create_sampler_state
;
169 llvmpipe
->pipe
.bind_sampler_states
= llvmpipe_bind_sampler_states
;
170 llvmpipe
->pipe
.delete_sampler_state
= llvmpipe_delete_sampler_state
;
172 llvmpipe
->pipe
.create_depth_stencil_alpha_state
= llvmpipe_create_depth_stencil_state
;
173 llvmpipe
->pipe
.bind_depth_stencil_alpha_state
= llvmpipe_bind_depth_stencil_state
;
174 llvmpipe
->pipe
.delete_depth_stencil_alpha_state
= llvmpipe_delete_depth_stencil_state
;
176 llvmpipe
->pipe
.create_rasterizer_state
= llvmpipe_create_rasterizer_state
;
177 llvmpipe
->pipe
.bind_rasterizer_state
= llvmpipe_bind_rasterizer_state
;
178 llvmpipe
->pipe
.delete_rasterizer_state
= llvmpipe_delete_rasterizer_state
;
180 llvmpipe
->pipe
.create_fs_state
= llvmpipe_create_fs_state
;
181 llvmpipe
->pipe
.bind_fs_state
= llvmpipe_bind_fs_state
;
182 llvmpipe
->pipe
.delete_fs_state
= llvmpipe_delete_fs_state
;
184 llvmpipe
->pipe
.create_vs_state
= llvmpipe_create_vs_state
;
185 llvmpipe
->pipe
.bind_vs_state
= llvmpipe_bind_vs_state
;
186 llvmpipe
->pipe
.delete_vs_state
= llvmpipe_delete_vs_state
;
188 llvmpipe
->pipe
.set_blend_color
= llvmpipe_set_blend_color
;
189 llvmpipe
->pipe
.set_clip_state
= llvmpipe_set_clip_state
;
190 llvmpipe
->pipe
.set_constant_buffer
= llvmpipe_set_constant_buffer
;
191 llvmpipe
->pipe
.set_framebuffer_state
= llvmpipe_set_framebuffer_state
;
192 llvmpipe
->pipe
.set_polygon_stipple
= llvmpipe_set_polygon_stipple
;
193 llvmpipe
->pipe
.set_scissor_state
= llvmpipe_set_scissor_state
;
194 llvmpipe
->pipe
.set_sampler_textures
= llvmpipe_set_sampler_textures
;
195 llvmpipe
->pipe
.set_viewport_state
= llvmpipe_set_viewport_state
;
197 llvmpipe
->pipe
.set_vertex_buffers
= llvmpipe_set_vertex_buffers
;
198 llvmpipe
->pipe
.set_vertex_elements
= llvmpipe_set_vertex_elements
;
200 llvmpipe
->pipe
.draw_arrays
= llvmpipe_draw_arrays
;
201 llvmpipe
->pipe
.draw_elements
= llvmpipe_draw_elements
;
202 llvmpipe
->pipe
.draw_range_elements
= llvmpipe_draw_range_elements
;
203 llvmpipe
->pipe
.set_edgeflags
= llvmpipe_set_edgeflags
;
206 llvmpipe
->pipe
.clear
= llvmpipe_clear
;
207 llvmpipe
->pipe
.flush
= llvmpipe_flush
;
209 llvmpipe
->pipe
.is_texture_referenced
= llvmpipe_is_texture_referenced
;
210 llvmpipe
->pipe
.is_buffer_referenced
= llvmpipe_is_buffer_referenced
;
212 llvmpipe_init_query_funcs( llvmpipe
);
213 llvmpipe_init_texture_funcs( llvmpipe
);
216 * Alloc caches for accessing drawing surfaces and textures.
217 * Must be before quad stage setup!
219 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++)
220 llvmpipe
->cbuf_cache
[i
] = lp_create_tile_cache( screen
);
221 llvmpipe
->zsbuf_cache
= lp_create_tile_cache( screen
);
223 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
224 llvmpipe
->tex_cache
[i
] = lp_create_tex_tile_cache( screen
);
227 /* setup quad rendering stages */
228 llvmpipe
->quad
.shade
= lp_quad_shade_stage(llvmpipe
);
229 llvmpipe
->quad
.depth_test
= lp_quad_depth_test_stage(llvmpipe
);
230 llvmpipe
->quad
.blend
= lp_quad_blend_stage(llvmpipe
);
232 /* vertex shader samplers */
233 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
234 llvmpipe
->tgsi
.vert_samplers
[i
].base
.get_samples
= lp_get_samples_vertex
;
235 llvmpipe
->tgsi
.vert_samplers
[i
].cache
= llvmpipe
->tex_cache
[i
];
236 llvmpipe
->tgsi
.vert_samplers_list
[i
] = &llvmpipe
->tgsi
.vert_samplers
[i
];
239 /* fragment shader samplers */
240 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
241 llvmpipe
->tgsi
.frag_samplers
[i
].base
.get_samples
= lp_get_samples_fragment
;
242 llvmpipe
->tgsi
.frag_samplers
[i
].cache
= llvmpipe
->tex_cache
[i
];
243 llvmpipe
->tgsi
.frag_samplers_list
[i
] = &llvmpipe
->tgsi
.frag_samplers
[i
];
247 * Create drawing context and plug our rendering stage into it.
249 llvmpipe
->draw
= draw_create();
253 draw_texture_samplers(llvmpipe
->draw
,
255 (struct tgsi_sampler
**)
256 llvmpipe
->tgsi
.vert_samplers_list
);
258 llvmpipe
->setup
= lp_draw_render_stage(llvmpipe
);
259 if (!llvmpipe
->setup
)
262 if (debug_get_bool_option( "LP_NO_RAST", FALSE
))
263 llvmpipe
->no_rast
= TRUE
;
265 if (debug_get_bool_option( "LP_NO_VBUF", FALSE
)) {
266 /* Deprecated path -- vbuf is the intended interface to the draw module:
268 draw_set_rasterize_stage(llvmpipe
->draw
, llvmpipe
->setup
);
271 lp_init_vbuf(llvmpipe
);
274 /* plug in AA line/point stages */
275 draw_install_aaline_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
276 draw_install_aapoint_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
278 #if USE_DRAW_STAGE_PSTIPPLE
279 /* Do polygon stipple w/ texture map + frag prog? */
280 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
283 lp_init_surface_functions(llvmpipe
);
285 return &llvmpipe
->pipe
;
288 llvmpipe_destroy(&llvmpipe
->pipe
);