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/simple_list.h"
  32
  33 #include "tr_screen.h"
  34 #include "tr_context.h"
  35 #include "tr_texture.h"
  36
  37
  38 struct pipe_surface *
  39 trace_surf_create(struct trace_context *tr_ctx,
  40                   struct pipe_resource *res,
  41                   struct pipe_surface *surface)
  42 {
  43    struct trace_surface *tr_surf;
  44
  45    if (!surface)
  46       goto error;
  47
  48    assert(surface->texture == res);
  49
  50    tr_surf = CALLOC_STRUCT(trace_surface);
  51    if (!tr_surf)
  52       goto error;
  53
  54    memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
  55    tr_surf->base.context = &tr_ctx->base;
  56
  57    pipe_reference_init(&tr_surf->base.reference, 1);
  58    tr_surf->base.texture = NULL;
  59    pipe_resource_reference(&tr_surf->base.texture, res);
  60    tr_surf->surface = surface;
  61
  62    return &tr_surf->base;
  63
  64 error:
  65    pipe_surface_reference(&surface, NULL);
  66    return NULL;
  67 }
  68
  69
  70 void
  71 trace_surf_destroy(struct trace_surface *tr_surf)
  72 {
  73    trace_context_check(tr_surf->base.context);
  74    pipe_resource_reference(&tr_surf->base.texture, NULL);
  75    pipe_surface_reference(&tr_surf->surface, NULL);
  76    FREE(tr_surf);
  77 }
  78
  79
  80 struct pipe_transfer *
  81 trace_transfer_create(struct trace_context *tr_ctx,
  82                       struct pipe_resource *res,
  83                       struct pipe_transfer *transfer)
  84 {
  85    struct trace_transfer *tr_trans;
  86
  87    if (!transfer)
  88       goto error;
  89
  90    assert(transfer->resource == res);
  91
  92    tr_trans = CALLOC_STRUCT(trace_transfer);
  93    if (!tr_trans)
  94       goto error;
  95
  96    memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
  97
  98    tr_trans->base.resource = NULL;
  99    tr_trans->transfer = transfer;
 100
 101    pipe_resource_reference(&tr_trans->base.resource, res);
 102    assert(tr_trans->base.resource == res);
 103
 104    return &tr_trans->base;
 105
 106 error:
 107    tr_ctx->pipe->transfer_unmap(tr_ctx->pipe, transfer);
 108    return NULL;
 109 }
 110
 111
 112 void
 113 trace_transfer_destroy(struct trace_context *tr_context,
 114                        struct trace_transfer *tr_trans)
 115 {
 116    pipe_resource_reference(&tr_trans->base.resource, NULL);
 117    FREE(tr_trans);
 118 }
 119