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,
139 struct pipe_fence_handle **fence)
141 llvmpipe_flush(pipe, fence, __FUNCTION__);
145 struct pipe_context *
146 llvmpipe_create_context( struct pipe_screen *screen, void *priv )
148 struct llvmpipe_context *llvmpipe;
150 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
156 memset(llvmpipe, 0, sizeof *llvmpipe);
158 make_empty_list(&llvmpipe->fs_variants_list);
160 make_empty_list(&llvmpipe->setup_variants_list);
163 llvmpipe->pipe.winsys = screen->winsys;
164 llvmpipe->pipe.screen = screen;
165 llvmpipe->pipe.priv = priv;
167 /* Init the pipe context methods */
168 llvmpipe->pipe.destroy = llvmpipe_destroy;
169 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
170 llvmpipe->pipe.clear = llvmpipe_clear;
171 llvmpipe->pipe.flush = do_flush;
173 llvmpipe_init_blend_funcs(llvmpipe);
174 llvmpipe_init_clip_funcs(llvmpipe);
175 llvmpipe_init_draw_funcs(llvmpipe);
176 llvmpipe_init_sampler_funcs(llvmpipe);
177 llvmpipe_init_query_funcs( llvmpipe );
178 llvmpipe_init_vertex_funcs(llvmpipe);
179 llvmpipe_init_so_funcs(llvmpipe);
180 llvmpipe_init_fs_funcs(llvmpipe);
181 llvmpipe_init_vs_funcs(llvmpipe);
182 llvmpipe_init_gs_funcs(llvmpipe);
183 llvmpipe_init_rasterizer_funcs(llvmpipe);
184 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
185 llvmpipe_init_surface_functions(llvmpipe);
187 llvmpipe->gallivm = gallivm_create();
190 * Create drawing context and plug our rendering stage into it.
192 llvmpipe->draw = draw_create_gallivm(&llvmpipe->pipe, llvmpipe->gallivm);
196 /* FIXME: devise alternative to draw_texture_samplers */
198 if (debug_get_option_lp_no_rast())
199 llvmpipe->no_rast = TRUE;
201 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
203 if (!llvmpipe->setup)
206 /* plug in AA line/point stages */
207 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
208 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
209 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
211 /* convert points and lines into triangles:
212 * (otherwise, draw points and lines natively)
214 draw_wide_point_sprites(llvmpipe->draw, FALSE);
215 draw_enable_point_sprites(llvmpipe->draw, FALSE);
216 draw_wide_point_threshold(llvmpipe->draw, 10000.0);
217 draw_wide_line_threshold(llvmpipe->draw, 10000.0);
219 #if USE_DRAW_STAGE_PSTIPPLE
220 /* Do polygon stipple w/ texture map + frag prog? */
221 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
226 gallivm_register_garbage_collector_callback(garbage_collect_callback,
229 return &llvmpipe->pipe;
232 llvmpipe_destroy(&llvmpipe->pipe);