src/gallium/drivers/trace/tr_texture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   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 VMWARE 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_res;
  43
  44    if(!texture)
  45       goto error;
  46
  47    assert(texture->screen == tr_scr->screen);
  48
  49    tr_res = CALLOC_STRUCT(trace_resource);
  50    if(!tr_res)
  51       goto error;
  52
  53    memcpy(&tr_res->base, texture, sizeof(struct pipe_resource));
  54
  55    pipe_reference_init(&tr_res->base.reference, 1);
  56    tr_res->base.screen = &tr_scr->base;
  57    tr_res->resource = texture;
  58
  59    return &tr_res->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_res)
  70 {
  71    pipe_resource_reference(&tr_res->resource, NULL);
  72    FREE(tr_res);
  73 }
  74
  75
  76 struct pipe_surface *
  77 trace_surf_create(struct trace_context *tr_ctx,
  78                   struct trace_resource *tr_res,
  79                   struct pipe_surface *surface)
  80 {
  81    struct trace_surface *tr_surf;
  82
  83    if(!surface)
  84       goto error;
  85
  86    assert(surface->texture == tr_res->resource);
  87
  88    tr_surf = CALLOC_STRUCT(trace_surface);
  89    if(!tr_surf)
  90       goto error;
  91
  92    memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
  93    tr_surf->base.context = &tr_ctx->base;
  94
  95    pipe_reference_init(&tr_surf->base.reference, 1);
  96    tr_surf->base.texture = NULL;
  97    pipe_resource_reference(&tr_surf->base.texture, &tr_res->base);
  98    tr_surf->surface = surface;
  99
 100    return &tr_surf->base;
 101
 102 error:
 103    pipe_surface_reference(&surface, NULL);
 104    return NULL;
 105 }
 106
 107
 108 void
 109 trace_surf_destroy(struct trace_surface *tr_surf)
 110 {
 111    trace_context_check(tr_surf->base.context);
 112    pipe_resource_reference(&tr_surf->base.texture, NULL);
 113    pipe_surface_reference(&tr_surf->surface, NULL);
 114    FREE(tr_surf);
 115 }
 116
 117
 118 struct pipe_transfer *
 119 trace_transfer_create(struct trace_context *tr_ctx,
 120                       struct trace_resource *tr_res,
 121                       struct pipe_transfer *transfer)
 122 {
 123    struct trace_transfer *tr_trans;
 124
 125    if(!transfer)
 126       goto error;
 127
 128    assert(transfer->resource == tr_res->resource);
 129
 130    tr_trans = CALLOC_STRUCT(trace_transfer);
 131    if(!tr_trans)
 132       goto error;
 133
 134    memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
 135
 136    tr_trans->base.resource = NULL;
 137    tr_trans->transfer = transfer;
 138
 139    pipe_resource_reference(&tr_trans->base.resource, &tr_res->base);
 140    assert(tr_trans->base.resource == &tr_res->base);
 141
 142    return &tr_trans->base;
 143
 144 error:
 145    tr_ctx->pipe->transfer_unmap(tr_ctx->pipe, transfer);
 146    return NULL;
 147 }
 148
 149
 150 void
 151 trace_transfer_destroy(struct trace_context *tr_context,
 152                        struct trace_transfer *tr_trans)
 153 {
 154    pipe_resource_reference(&tr_trans->base.resource, NULL);
 155    FREE(tr_trans);
 156 }
 157