lp_context.c revision af69d88d 
1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 * Copyright 2008 VMware, Inc.  All rights reserved.
6 *
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:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
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 VMWARE 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.
26 *
27 **************************************************************************/
28
29/* Author:
30 *    Keith Whitwell <keithw@vmware.com>
31 */
32
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"
40#include "lp_clear.h"
41#include "lp_context.h"
42#include "lp_flush.h"
43#include "lp_perf.h"
44#include "lp_state.h"
45#include "lp_surface.h"
46#include "lp_query.h"
47#include "lp_setup.h"
48
49
50static void llvmpipe_destroy( struct pipe_context *pipe )
51{
52   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
53   uint i, j;
54
55   lp_print_counters();
56
57   if (llvmpipe->blitter) {
58      util_blitter_destroy(llvmpipe->blitter);
59   }
60
61   /* This will also destroy llvmpipe->setup:
62    */
63   if (llvmpipe->draw)
64      draw_destroy( llvmpipe->draw );
65
66   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
67      pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
68   }
69
70   pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
71
72   for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
73      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
74   }
75
76   for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
77      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
78   }
79
80   for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
81      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL);
82   }
83
84   for (i = 0; i < Elements(llvmpipe->constants); i++) {
85      for (j = 0; j < Elements(llvmpipe->constants[i]); j++) {
86         pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL);
87      }
88   }
89
90   for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
91      pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL);
92   }
93
94   lp_delete_setup_variants(llvmpipe);
95
96   align_free( llvmpipe );
97}
98
99static void
100do_flush( struct pipe_context *pipe,
101          struct pipe_fence_handle **fence,
102          unsigned flags)
103{
104   llvmpipe_flush(pipe, fence, __FUNCTION__);
105}
106
107
108static void
109llvmpipe_render_condition ( struct pipe_context *pipe,
110                            struct pipe_query *query,
111                            boolean condition,
112                            uint mode )
113{
114   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
115
116   llvmpipe->render_cond_query = query;
117   llvmpipe->render_cond_mode = mode;
118   llvmpipe->render_cond_cond = condition;
119}
120
121struct pipe_context *
122llvmpipe_create_context( struct pipe_screen *screen, void *priv )
123{
124   struct llvmpipe_context *llvmpipe;
125
126   llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
127   if (!llvmpipe)
128      return NULL;
129
130   util_init_math();
131
132   memset(llvmpipe, 0, sizeof *llvmpipe);
133
134   make_empty_list(&llvmpipe->fs_variants_list);
135
136   make_empty_list(&llvmpipe->setup_variants_list);
137
138
139   llvmpipe->pipe.screen = screen;
140   llvmpipe->pipe.priv = priv;
141
142   /* Init the pipe context methods */
143   llvmpipe->pipe.destroy = llvmpipe_destroy;
144   llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
145   llvmpipe->pipe.clear = llvmpipe_clear;
146   llvmpipe->pipe.flush = do_flush;
147
148   llvmpipe->pipe.render_condition = llvmpipe_render_condition;
149
150   llvmpipe_init_blend_funcs(llvmpipe);
151   llvmpipe_init_clip_funcs(llvmpipe);
152   llvmpipe_init_draw_funcs(llvmpipe);
153   llvmpipe_init_sampler_funcs(llvmpipe);
154   llvmpipe_init_query_funcs( llvmpipe );
155   llvmpipe_init_vertex_funcs(llvmpipe);
156   llvmpipe_init_so_funcs(llvmpipe);
157   llvmpipe_init_fs_funcs(llvmpipe);
158   llvmpipe_init_vs_funcs(llvmpipe);
159   llvmpipe_init_gs_funcs(llvmpipe);
160   llvmpipe_init_rasterizer_funcs(llvmpipe);
161   llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
162   llvmpipe_init_surface_functions(llvmpipe);
163
164   /*
165    * Create drawing context and plug our rendering stage into it.
166    */
167   llvmpipe->draw = draw_create(&llvmpipe->pipe);
168   if (!llvmpipe->draw)
169      goto fail;
170
171   /* FIXME: devise alternative to draw_texture_samplers */
172
173   llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
174                                      llvmpipe->draw );
175   if (!llvmpipe->setup)
176      goto fail;
177
178   llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
179   if (!llvmpipe->blitter) {
180      goto fail;
181   }
182
183   /* must be done before installing Draw stages */
184   util_blitter_cache_all_shaders(llvmpipe->blitter);
185
186   /* plug in AA line/point stages */
187   draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
188   draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
189   draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
190
191   /* convert points and lines into triangles:
192    * (otherwise, draw points and lines natively)
193    */
194   draw_wide_point_sprites(llvmpipe->draw, FALSE);
195   draw_enable_point_sprites(llvmpipe->draw, FALSE);
196   draw_wide_point_threshold(llvmpipe->draw, 10000.0);
197   draw_wide_line_threshold(llvmpipe->draw, 10000.0);
198
199   lp_reset_counters();
200
201   return &llvmpipe->pipe;
202
203 fail:
204   llvmpipe_destroy(&llvmpipe->pipe);
205   return NULL;
206}
207
208