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 #include "../glsl/ralloc.h"
  50
  51 static void
  52 dri_bo_release(drm_intel_bo **bo)
  53 {
  54    drm_intel_bo_unreference(*bo);
  55    *bo = NULL;
  56 }
  57
  58
  59 /**
  60  * called from intelDestroyContext()
  61  */
  62 static void brw_destroy_context( struct intel_context *intel )
  63 {
  64    struct brw_context *brw = brw_context(&intel->ctx);
  65
  66    brw_destroy_state(brw);
  67    brw_draw_destroy( brw );
  68    brw_clear_validated_bos(brw);
  69    ralloc_free(brw->wm.compile_data);
  70
  71    intel_region_release(&brw->state.depth_region);
  72
  73    dri_bo_release(&brw->curbe.curbe_bo);
  74    dri_bo_release(&brw->vs.prog_bo);
  75    dri_bo_release(&brw->vs.const_bo);
  76    dri_bo_release(&brw->gs.prog_bo);
  77    dri_bo_release(&brw->clip.prog_bo);
  78    dri_bo_release(&brw->sf.prog_bo);
  79    dri_bo_release(&brw->wm.prog_bo);
  80    dri_bo_release(&brw->wm.const_bo);
  81    dri_bo_release(&brw->cc.prog_bo);
  82
  83    free(brw->curbe.last_buf);
  84    free(brw->curbe.next_buf);
  85 }
  86
  87
  88 /**
  89  * called from intelDrawBuffer()
  90  */
  91 static void brw_set_draw_region( struct intel_context *intel,
  92                                  struct intel_region *color_regions[],
  93                                  struct intel_region *depth_region,
  94                                  GLuint num_color_regions)
  95 {
  96    struct brw_context *brw = brw_context(&intel->ctx);
  97
  98    if (brw->state.depth_region != depth_region) {
  99       brw->state.dirty.brw |= BRW_NEW_DEPTH_BUFFER;
 100       intel_region_release(&brw->state.depth_region);
 101       intel_region_reference(&brw->state.depth_region, depth_region);
 102    }
 103 }
 104
 105
 106 /**
 107  * called from intel_batchbuffer_flush and children before sending a
 108  * batchbuffer off.
 109  */
 110 static void brw_finish_batch(struct intel_context *intel)
 111 {
 112    struct brw_context *brw = brw_context(&intel->ctx);
 113    brw_emit_query_end(brw);
 114
 115    if (brw->curbe.curbe_bo) {
 116       drm_intel_gem_bo_unmap_gtt(brw->curbe.curbe_bo);
 117       drm_intel_bo_unreference(brw->curbe.curbe_bo);
 118       brw->curbe.curbe_bo = NULL;
 119    }
 120 }
 121
 122
 123 /**
 124  * called from intelFlushBatchLocked
 125  */
 126 static void brw_new_batch( struct intel_context *intel )
 127 {
 128    struct brw_context *brw = brw_context(&intel->ctx);
 129
 130    /* Mark all context state as needing to be re-emitted.
 131     * This is probably not as severe as on 915, since almost all of our state
 132     * is just in referenced buffers.
 133     */
 134    brw->state.dirty.brw |= BRW_NEW_CONTEXT;
 135
 136    brw->state.dirty.mesa |= ~0;
 137    brw->state.dirty.brw |= ~0;
 138    brw->state.dirty.cache |= ~0;
 139
 140    brw->vb.nr_current_buffers = 0;
 141 }
 142
 143 static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
 144 {
 145    /* nothing */
 146 }
 147
 148
 149 void brwInitVtbl( struct brw_context *brw )
 150 {
 151    brw->intel.vtbl.check_vertex_size = 0;
 152    brw->intel.vtbl.emit_state = 0;
 153    brw->intel.vtbl.reduced_primitive_state = 0;
 154    brw->intel.vtbl.render_start = 0;
 155    brw->intel.vtbl.update_texture_state = 0;
 156
 157    brw->intel.vtbl.invalidate_state = brw_invalidate_state;
 158    brw->intel.vtbl.new_batch = brw_new_batch;
 159    brw->intel.vtbl.finish_batch = brw_finish_batch;
 160    brw->intel.vtbl.destroy = brw_destroy_context;
 161    brw->intel.vtbl.set_draw_region = brw_set_draw_region;
 162    brw->intel.vtbl.debug_batch = brw_debug_batch;
 163    brw->intel.vtbl.render_target_supported = brw_render_target_supported;
 164 }