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_inlines.h"
37 #include "util/u_math.h"
38 #include "util/u_memory.h"
39 #include "util/u_simple_list.h"
41 #include "lp_context.h"
45 #include "lp_surface.h"
50 DEBUG_GET_ONCE_BOOL_OPTION(lp_no_rast
, "LP_NO_RAST", FALSE
)
53 /** shared by all contexts */
54 unsigned llvmpipe_variant_count
;
58 * This function is called by the gallivm "garbage collector" when
59 * the LLVM global data structures are freed. We must free all LLVM-related
60 * data. Specifically, all JIT'd shader variants.
63 garbage_collect_callback(void *cb_data
)
65 struct llvmpipe_context
*lp
= (struct llvmpipe_context
*) cb_data
;
66 struct lp_fs_variant_list_item
*li
;
68 /* Free all the context's shader variants */
69 li
= first_elem(&lp
->fs_variants_list
);
70 while (!at_end(&lp
->fs_variants_list
, li
)) {
71 struct lp_fs_variant_list_item
*next
= next_elem(li
);
72 llvmpipe_remove_shader_variant(lp
, li
->base
);
76 /* Free all the context's primitive setup variants */
77 lp_delete_setup_variants(lp
);
79 /* release references to setup variants, shaders */
80 lp_setup_set_setup_variant(lp
->setup
, NULL
);
81 lp_setup_set_fs_variant(lp
->setup
, NULL
);
82 lp_setup_reset(lp
->setup
);
84 /* This type will be recreated upon demand */
85 lp
->jit_context_ptr_type
= NULL
;
87 /* mark all state as dirty to ensure new shaders are jit'd, etc. */
93 static void llvmpipe_destroy( struct pipe_context
*pipe
)
95 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
100 gallivm_remove_garbage_collector_callback(garbage_collect_callback
,
103 /* This will also destroy llvmpipe->setup:
106 draw_destroy( llvmpipe
->draw
);
108 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
109 pipe_surface_reference(&llvmpipe
->framebuffer
.cbufs
[i
], NULL
);
112 pipe_surface_reference(&llvmpipe
->framebuffer
.zsbuf
, NULL
);
114 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
115 pipe_sampler_view_reference(&llvmpipe
->fragment_sampler_views
[i
], NULL
);
118 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
119 pipe_sampler_view_reference(&llvmpipe
->vertex_sampler_views
[i
], NULL
);
122 for (i
= 0; i
< Elements(llvmpipe
->constants
); i
++) {
123 for (j
= 0; j
< Elements(llvmpipe
->constants
[i
]); j
++) {
124 pipe_resource_reference(&llvmpipe
->constants
[i
][j
], NULL
);
128 for (i
= 0; i
< llvmpipe
->num_vertex_buffers
; i
++) {
129 pipe_resource_reference(&llvmpipe
->vertex_buffer
[i
].buffer
, NULL
);
132 gallivm_destroy(llvmpipe
->gallivm
);
134 align_free( llvmpipe
);
138 do_flush( struct pipe_context
*pipe
,
140 struct pipe_fence_handle
**fence
)
142 llvmpipe_flush(pipe
, flags
, fence
, __FUNCTION__
);
146 struct pipe_context
*
147 llvmpipe_create_context( struct pipe_screen
*screen
, void *priv
)
149 struct llvmpipe_context
*llvmpipe
;
151 llvmpipe
= align_malloc(sizeof(struct llvmpipe_context
), 16);
157 memset(llvmpipe
, 0, sizeof *llvmpipe
);
159 make_empty_list(&llvmpipe
->fs_variants_list
);
161 make_empty_list(&llvmpipe
->setup_variants_list
);
164 llvmpipe
->pipe
.winsys
= screen
->winsys
;
165 llvmpipe
->pipe
.screen
= screen
;
166 llvmpipe
->pipe
.priv
= priv
;
168 /* Init the pipe context methods */
169 llvmpipe
->pipe
.destroy
= llvmpipe_destroy
;
170 llvmpipe
->pipe
.set_framebuffer_state
= llvmpipe_set_framebuffer_state
;
171 llvmpipe
->pipe
.clear
= llvmpipe_clear
;
172 llvmpipe
->pipe
.flush
= do_flush
;
174 llvmpipe_init_blend_funcs(llvmpipe
);
175 llvmpipe_init_clip_funcs(llvmpipe
);
176 llvmpipe_init_draw_funcs(llvmpipe
);
177 llvmpipe_init_sampler_funcs(llvmpipe
);
178 llvmpipe_init_query_funcs( llvmpipe
);
179 llvmpipe_init_vertex_funcs(llvmpipe
);
180 llvmpipe_init_so_funcs(llvmpipe
);
181 llvmpipe_init_fs_funcs(llvmpipe
);
182 llvmpipe_init_vs_funcs(llvmpipe
);
183 llvmpipe_init_gs_funcs(llvmpipe
);
184 llvmpipe_init_rasterizer_funcs(llvmpipe
);
185 llvmpipe_init_context_resource_funcs( &llvmpipe
->pipe
);
186 llvmpipe_init_surface_functions(llvmpipe
);
188 llvmpipe
->gallivm
= gallivm_create();
191 * Create drawing context and plug our rendering stage into it.
193 llvmpipe
->draw
= draw_create_gallivm(&llvmpipe
->pipe
, llvmpipe
->gallivm
);
197 /* FIXME: devise alternative to draw_texture_samplers */
199 if (debug_get_option_lp_no_rast())
200 llvmpipe
->no_rast
= TRUE
;
202 llvmpipe
->setup
= lp_setup_create( &llvmpipe
->pipe
,
204 if (!llvmpipe
->setup
)
207 /* plug in AA line/point stages */
208 draw_install_aaline_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
209 draw_install_aapoint_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
210 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
212 /* convert points and lines into triangles:
213 * (otherwise, draw points and lines natively)
215 draw_wide_point_sprites(llvmpipe
->draw
, FALSE
);
216 draw_enable_point_sprites(llvmpipe
->draw
, FALSE
);
217 draw_wide_point_threshold(llvmpipe
->draw
, 10000.0);
218 draw_wide_line_threshold(llvmpipe
->draw
, 10000.0);
220 #if USE_DRAW_STAGE_PSTIPPLE
221 /* Do polygon stipple w/ texture map + frag prog? */
222 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
227 gallivm_register_garbage_collector_callback(garbage_collect_callback
,
230 return &llvmpipe
->pipe
;
233 llvmpipe_destroy(&llvmpipe
->pipe
);