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    dri_bo_release(&brw->curbe.curbe_bo);
  72    dri_bo_release(&brw->vs.const_bo);
  73    dri_bo_release(&brw->wm.const_bo);
  74
  75    free(brw->curbe.last_buf);
  76    free(brw->curbe.next_buf);
  77 }
  78
  79
  80 /**
  81  * called from intelDrawBuffer()
  82  */
  83 static void brw_set_draw_region( struct intel_context *intel,
  84                                  struct intel_region *color_regions[],
  85                                  struct intel_region *depth_region,
  86                                  GLuint num_color_regions)
  87 {
  88 }
  89
  90
  91 /**
  92  * called from intel_batchbuffer_flush and children before sending a
  93  * batchbuffer off.
  94  */
  95 static void brw_finish_batch(struct intel_context *intel)
  96 {
  97    struct brw_context *brw = brw_context(&intel->ctx);
  98    brw_emit_query_end(brw);
  99
 100    if (brw->curbe.curbe_bo) {
 101       drm_intel_gem_bo_unmap_gtt(brw->curbe.curbe_bo);
 102       drm_intel_bo_unreference(brw->curbe.curbe_bo);
 103       brw->curbe.curbe_bo = NULL;
 104    }
 105 }
 106
 107
 108 /**
 109  * called from intelFlushBatchLocked
 110  */
 111 static void brw_new_batch( struct intel_context *intel )
 112 {
 113    struct brw_context *brw = brw_context(&intel->ctx);
 114
 115    /* Mark all context state as needing to be re-emitted.
 116     * This is probably not as severe as on 915, since almost all of our state
 117     * is just in referenced buffers.
 118     */
 119    brw->state.dirty.brw |= BRW_NEW_CONTEXT | BRW_NEW_BATCH;
 120
 121    /* Assume that the last command before the start of our batch was a
 122     * primitive, for safety.
 123     */
 124    intel->batch.need_workaround_flush = true;
 125
 126    brw->state_batch_count = 0;
 127
 128    brw->vb.nr_current_buffers = 0;
 129
 130    /* Mark that the current program cache BO has been used by the GPU.
 131     * It will be reallocated if we need to put new programs in for the
 132     * next batch.
 133     */
 134    brw->cache.bo_used_by_gpu = true;
 135 }
 136
 137 static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
 138 {
 139    /* nothing */
 140 }
 141
 142 /**
 143  * \see intel_context.vtbl.is_hiz_depth_format
 144  */
 145 static bool brw_is_hiz_depth_format(struct intel_context *intel,
 146                                     gl_format format)
 147 {
 148    /* In the future, this will support Z_FLOAT32. */
 149    return intel->has_hiz && (format == MESA_FORMAT_X8_Z24);
 150 }
 151
 152
 153 void brwInitVtbl( struct brw_context *brw )
 154 {
 155    brw->intel.vtbl.check_vertex_size = 0;
 156    brw->intel.vtbl.emit_state = 0;
 157    brw->intel.vtbl.reduced_primitive_state = 0;
 158    brw->intel.vtbl.render_start = 0;
 159    brw->intel.vtbl.update_texture_state = 0;
 160
 161    brw->intel.vtbl.invalidate_state = brw_invalidate_state;
 162    brw->intel.vtbl.new_batch = brw_new_batch;
 163    brw->intel.vtbl.finish_batch = brw_finish_batch;
 164    brw->intel.vtbl.destroy = brw_destroy_context;
 165    brw->intel.vtbl.set_draw_region = brw_set_draw_region;
 166    brw->intel.vtbl.debug_batch = brw_debug_batch;
 167    brw->intel.vtbl.render_target_supported = brw_render_target_supported;
 168    brw->intel.vtbl.is_hiz_depth_format = brw_is_hiz_depth_format;
 169 }