src/gallium/state_trackers/vdpau/bitmap.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Thomas Balling Sørensen.
   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 <vdpau/vdpau.h>
  29
  30 #include "util/u_memory.h"
  31 #include "util/u_sampler.h"
  32
  33 #include "vdpau_private.h"
  34
  35 /**
  36  * Create a VdpBitmapSurface.
  37  */
  38 VdpStatus
  39 vlVdpBitmapSurfaceCreate(VdpDevice device,
  40                          VdpRGBAFormat rgba_format,
  41                          uint32_t width, uint32_t height,
  42                          VdpBool frequently_accessed,
  43                          VdpBitmapSurface *surface)
  44 {
  45    struct pipe_context *pipe;
  46    struct pipe_resource res_tmpl, *res;
  47    struct pipe_sampler_view sv_templ;
  48    VdpStatus ret;
  49
  50    vlVdpBitmapSurface *vlsurface = NULL;
  51
  52    if (!(width && height))
  53       return VDP_STATUS_INVALID_SIZE;
  54
  55    vlVdpDevice *dev = vlGetDataHTAB(device);
  56    if (!dev)
  57       return VDP_STATUS_INVALID_HANDLE;
  58
  59    pipe = dev->context;
  60    if (!pipe)
  61       return VDP_STATUS_INVALID_HANDLE;
  62
  63    if (!surface)
  64       return VDP_STATUS_INVALID_POINTER;
  65
  66    vlsurface = CALLOC(1, sizeof(vlVdpBitmapSurface));
  67    if (!vlsurface)
  68       return VDP_STATUS_RESOURCES;
  69
  70    DeviceReference(&vlsurface->device, dev);
  71
  72    memset(&res_tmpl, 0, sizeof(res_tmpl));
  73    res_tmpl.target = PIPE_TEXTURE_2D;
  74    res_tmpl.format = VdpFormatRGBAToPipe(rgba_format);
  75    res_tmpl.width0 = width;
  76    res_tmpl.height0 = height;
  77    res_tmpl.depth0 = 1;
  78    res_tmpl.array_size = 1;
  79    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
  80    res_tmpl.usage = frequently_accessed ? PIPE_USAGE_DYNAMIC : PIPE_USAGE_DEFAULT;
  81
  82    mtx_lock(&dev->mutex);
  83
  84    if (!CheckSurfaceParams(pipe->screen, &res_tmpl)) {
  85       ret = VDP_STATUS_RESOURCES;
  86       goto err_unlock;
  87    }
  88
  89    res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
  90    if (!res) {
  91       ret = VDP_STATUS_RESOURCES;
  92       goto err_unlock;
  93    }
  94
  95    vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
  96    vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
  97
  98    pipe_resource_reference(&res, NULL);
  99
 100    if (!vlsurface->sampler_view) {
 101       ret = VDP_STATUS_RESOURCES;
 102       goto err_unlock;
 103    }
 104
 105    mtx_unlock(&dev->mutex);
 106
 107    *surface = vlAddDataHTAB(vlsurface);
 108    if (*surface == 0) {
 109       mtx_lock(&dev->mutex);
 110       ret = VDP_STATUS_ERROR;
 111       goto err_sampler;
 112    }
 113
 114    return VDP_STATUS_OK;
 115
 116 err_sampler:
 117    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 118 err_unlock:
 119    mtx_unlock(&dev->mutex);
 120    DeviceReference(&vlsurface->device, NULL);
 121    FREE(vlsurface);
 122    return ret;
 123 }
 124
 125 /**
 126  * Destroy a VdpBitmapSurface.
 127  */
 128 VdpStatus
 129 vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
 130 {
 131    vlVdpBitmapSurface *vlsurface;
 132
 133    vlsurface = vlGetDataHTAB(surface);
 134    if (!vlsurface)
 135       return VDP_STATUS_INVALID_HANDLE;
 136
 137    mtx_lock(&vlsurface->device->mutex);
 138    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 139    mtx_unlock(&vlsurface->device->mutex);
 140
 141    vlRemoveDataHTAB(surface);
 142    DeviceReference(&vlsurface->device, NULL);
 143    FREE(vlsurface);
 144
 145    return VDP_STATUS_OK;
 146 }
 147
 148 /**
 149  * Retrieve the parameters used to create a VdpBitmapSurface.
 150  */
 151 VdpStatus
 152 vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
 153                                 VdpRGBAFormat *rgba_format,
 154                                 uint32_t *width, uint32_t *height,
 155                                 VdpBool *frequently_accessed)
 156 {
 157    vlVdpBitmapSurface *vlsurface;
 158    struct pipe_resource *res;
 159
 160    vlsurface = vlGetDataHTAB(surface);
 161    if (!vlsurface)
 162       return VDP_STATUS_INVALID_HANDLE;
 163
 164    if (!(rgba_format && width && height && frequently_accessed))
 165       return VDP_STATUS_INVALID_POINTER;
 166
 167    res = vlsurface->sampler_view->texture;
 168    *rgba_format = PipeToFormatRGBA(res->format);
 169    *width = res->width0;
 170    *height = res->height0;
 171    *frequently_accessed = res->usage == PIPE_USAGE_DYNAMIC;
 172
 173    return VDP_STATUS_OK;
 174 }
 175
 176 /**
 177  * Copy image data from application memory in the surface's native format to
 178  * a VdpBitmapSurface.
 179  */
 180 VdpStatus
 181 vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
 182                                 void const *const *source_data,
 183                                 uint32_t const *source_pitches,
 184                                 VdpRect const *destination_rect)
 185 {
 186    vlVdpBitmapSurface *vlsurface;
 187    struct pipe_box dst_box;
 188    struct pipe_context *pipe;
 189
 190    vlsurface = vlGetDataHTAB(surface);
 191    if (!vlsurface)
 192       return VDP_STATUS_INVALID_HANDLE;
 193
 194    if (!(source_data && source_pitches))
 195       return VDP_STATUS_INVALID_POINTER;
 196
 197    pipe = vlsurface->device->context;
 198
 199    mtx_lock(&vlsurface->device->mutex);
 200
 201    dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
 202    pipe->texture_subdata(pipe, vlsurface->sampler_view->texture, 0,
 203                          PIPE_TRANSFER_WRITE, &dst_box, *source_data,
 204                          *source_pitches, 0);
 205
 206    mtx_unlock(&vlsurface->device->mutex);
 207
 208    return VDP_STATUS_OK;
 209 }