i965: Remove unnecessary release/reference of brw_context.state.depth_region
[mesa.git] / src / mesa / drivers / dri / i965 / brw_vtbl.c
1 /*
2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
5
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
13
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
17
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
26 **********************************************************************/
27
28 /*
29 * Authors:
30 * Keith Whitwell <keith@tungstengraphics.com>
31 */
32
33 #include "main/glheader.h"
34 #include "main/mtypes.h"
35 #include "main/imports.h"
36 #include "main/macros.h"
37 #include "main/colormac.h"
38
39 #include "intel_batchbuffer.h"
40 #include "intel_regions.h"
41
42 #include "brw_context.h"
43 #include "brw_defines.h"
44 #include "brw_state.h"
45 #include "brw_draw.h"
46 #include "brw_vs.h"
47 #include "brw_wm.h"
48
49 static void
50 dri_bo_release(drm_intel_bo **bo)
51 {
52 drm_intel_bo_unreference(*bo);
53 *bo = NULL;
54 }
55
56
57 /**
58 * called from intelDestroyContext()
59 */
60 static void brw_destroy_context( struct intel_context *intel )
61 {
62 struct brw_context *brw = brw_context(&intel->ctx);
63 int i;
64
65 brw_destroy_state(brw);
66 brw_draw_destroy( brw );
67 brw_clear_validated_bos(brw);
68 if (brw->wm.compile_data) {
69 free(brw->wm.compile_data->instruction);
70 free(brw->wm.compile_data->vreg);
71 free(brw->wm.compile_data->refs);
72 free(brw->wm.compile_data->prog_instructions);
73 free(brw->wm.compile_data);
74 }
75
76 intel_region_release(&brw->state.depth_region);
77
78 dri_bo_release(&brw->curbe.curbe_bo);
79 dri_bo_release(&brw->vs.prog_bo);
80 dri_bo_release(&brw->vs.state_bo);
81 dri_bo_release(&brw->vs.const_bo);
82 dri_bo_release(&brw->gs.prog_bo);
83 dri_bo_release(&brw->gs.state_bo);
84 dri_bo_release(&brw->clip.prog_bo);
85 dri_bo_release(&brw->clip.state_bo);
86 dri_bo_release(&brw->clip.vp_bo);
87 dri_bo_release(&brw->sf.prog_bo);
88 dri_bo_release(&brw->sf.state_bo);
89 dri_bo_release(&brw->sf.vp_bo);
90 for (i = 0; i < BRW_MAX_TEX_UNIT; i++)
91 dri_bo_release(&brw->wm.sdc_bo[i]);
92 dri_bo_release(&brw->wm.sampler_bo);
93 dri_bo_release(&brw->wm.prog_bo);
94 dri_bo_release(&brw->wm.state_bo);
95 dri_bo_release(&brw->wm.const_bo);
96 dri_bo_release(&brw->wm.push_const_bo);
97 dri_bo_release(&brw->cc.prog_bo);
98 dri_bo_release(&brw->cc.vp_bo);
99 dri_bo_release(&brw->cc.blend_state_bo);
100 dri_bo_release(&brw->cc.depth_stencil_state_bo);
101 dri_bo_release(&brw->cc.color_calc_state_bo);
102
103 free(brw->curbe.last_buf);
104 free(brw->curbe.next_buf);
105 }
106
107
108 /**
109 * called from intelDrawBuffer()
110 */
111 static void brw_set_draw_region( struct intel_context *intel,
112 struct intel_region *color_regions[],
113 struct intel_region *depth_region,
114 GLuint num_color_regions)
115 {
116 struct brw_context *brw = brw_context(&intel->ctx);
117
118 if (brw->state.depth_region != depth_region) {
119 brw->state.dirty.brw |= BRW_NEW_DEPTH_BUFFER;
120 intel_region_release(&brw->state.depth_region);
121 intel_region_reference(&brw->state.depth_region, depth_region);
122 }
123 }
124
125
126 /**
127 * called from intel_batchbuffer_flush and children before sending a
128 * batchbuffer off.
129 */
130 static void brw_finish_batch(struct intel_context *intel)
131 {
132 struct brw_context *brw = brw_context(&intel->ctx);
133 brw_emit_query_end(brw);
134
135 if (brw->curbe.curbe_bo) {
136 drm_intel_gem_bo_unmap_gtt(brw->curbe.curbe_bo);
137 drm_intel_bo_unreference(brw->curbe.curbe_bo);
138 brw->curbe.curbe_bo = NULL;
139 }
140 }
141
142
143 /**
144 * called from intelFlushBatchLocked
145 */
146 static void brw_new_batch( struct intel_context *intel )
147 {
148 struct brw_context *brw = brw_context(&intel->ctx);
149
150 /* Mark all context state as needing to be re-emitted.
151 * This is probably not as severe as on 915, since almost all of our state
152 * is just in referenced buffers.
153 */
154 brw->state.dirty.brw |= BRW_NEW_CONTEXT;
155
156 brw->state.dirty.mesa |= ~0;
157 brw->state.dirty.brw |= ~0;
158 brw->state.dirty.cache |= ~0;
159
160 brw->vb.nr_current_buffers = 0;
161 }
162
163 static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
164 {
165 /* nothing */
166 }
167
168
169 void brwInitVtbl( struct brw_context *brw )
170 {
171 brw->intel.vtbl.check_vertex_size = 0;
172 brw->intel.vtbl.emit_state = 0;
173 brw->intel.vtbl.reduced_primitive_state = 0;
174 brw->intel.vtbl.render_start = 0;
175 brw->intel.vtbl.update_texture_state = 0;
176
177 brw->intel.vtbl.invalidate_state = brw_invalidate_state;
178 brw->intel.vtbl.new_batch = brw_new_batch;
179 brw->intel.vtbl.finish_batch = brw_finish_batch;
180 brw->intel.vtbl.destroy = brw_destroy_context;
181 brw->intel.vtbl.set_draw_region = brw_set_draw_region;
182 brw->intel.vtbl.debug_batch = brw_debug_batch;
183 brw->intel.vtbl.render_target_supported = brw_render_target_supported;
184 }