src/gallium/drivers/trace/tr_texture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * 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, sub license, 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 portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_inlines.h"
  29 #include "util/u_hash_table.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_simple_list.h"
  32
  33 #include "tr_screen.h"
  34 #include "tr_context.h"
  35 #include "tr_texture.h"
  36
  37
  38 struct pipe_resource *
  39 trace_resource_create(struct trace_screen *tr_scr,
  40                      struct pipe_resource *texture)
  41 {
  42    struct trace_resource *tr_tex;
  43
  44    if(!texture)
  45       goto error;
  46
  47    assert(texture->screen == tr_scr->screen);
  48
  49    tr_tex = CALLOC_STRUCT(trace_resource);
  50    if(!tr_tex)
  51       goto error;
  52
  53    memcpy(&tr_tex->base, texture, sizeof(struct pipe_resource));
  54
  55    pipe_reference_init(&tr_tex->base.reference, 1);
  56    tr_tex->base.screen = &tr_scr->base;
  57    tr_tex->resource = texture;
  58
  59    return &tr_tex->base;
  60
  61 error:
  62    pipe_resource_reference(&texture, NULL);
  63    return NULL;
  64 }
  65
  66
  67 void
  68 trace_resource_destroy(struct trace_screen *tr_scr,
  69                        struct trace_resource *tr_tex)
  70 {
  71    pipe_resource_reference(&tr_tex->resource, NULL);
  72    FREE(tr_tex);
  73 }
  74
  75
  76 struct pipe_surface *
  77 trace_surf_create(struct trace_resource *tr_tex,
  78                   struct pipe_surface *surface)
  79 {
  80    struct trace_surface *tr_surf;
  81
  82    if(!surface)
  83       goto error;
  84
  85    assert(surface->texture == tr_tex->resource);
  86
  87    tr_surf = CALLOC_STRUCT(trace_surface);
  88    if(!tr_surf)
  89       goto error;
  90
  91    memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
  92
  93    pipe_reference_init(&tr_surf->base.reference, 1);
  94    tr_surf->base.texture = NULL;
  95    pipe_resource_reference(&tr_surf->base.texture, &tr_tex->base);
  96    tr_surf->surface = surface;
  97
  98    return &tr_surf->base;
  99
 100 error:
 101    pipe_surface_reference(&surface, NULL);
 102    return NULL;
 103 }
 104
 105
 106 void
 107 trace_surf_destroy(struct trace_surface *tr_surf)
 108 {
 109    pipe_resource_reference(&tr_surf->base.texture, NULL);
 110    pipe_surface_reference(&tr_surf->surface, NULL);
 111    FREE(tr_surf);
 112 }
 113
 114
 115 struct pipe_transfer *
 116 trace_transfer_create(struct trace_context *tr_ctx,
 117                       struct trace_resource *tr_tex,
 118                       struct pipe_transfer *transfer)
 119 {
 120    struct trace_transfer *tr_trans;
 121
 122    if(!transfer)
 123       goto error;
 124
 125    assert(transfer->resource == tr_tex->resource);
 126
 127    tr_trans = CALLOC_STRUCT(trace_transfer);
 128    if(!tr_trans)
 129       goto error;
 130
 131    memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
 132
 133    tr_trans->base.resource = NULL;
 134    tr_trans->transfer = transfer;
 135
 136    pipe_resource_reference(&tr_trans->base.resource, &tr_tex->base);
 137    assert(tr_trans->base.resource == &tr_tex->base);
 138
 139    return &tr_trans->base;
 140
 141 error:
 142    tr_ctx->pipe->transfer_destroy(tr_ctx->pipe, transfer);
 143    return NULL;
 144 }
 145
 146
 147 void
 148 trace_transfer_destroy(struct trace_context *tr_context,
 149                        struct trace_transfer *tr_trans)
 150 {
 151    struct pipe_context *context = tr_context->pipe;
 152    struct pipe_transfer *transfer = tr_trans->transfer;
 153
 154    pipe_resource_reference(&tr_trans->base.resource, NULL);
 155    context->transfer_destroy(context, transfer);
 156    FREE(tr_trans);
 157 }
 158