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 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 <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
  49    vlVdpBitmapSurface *vlsurface = NULL;
  50
  51    if (!(width && height))
  52       return VDP_STATUS_INVALID_SIZE;
  53
  54    vlVdpDevice *dev = vlGetDataHTAB(device);
  55    if (!dev)
  56       return VDP_STATUS_INVALID_HANDLE;
  57
  58    pipe = dev->context;
  59    if (!pipe)
  60       return VDP_STATUS_INVALID_HANDLE;
  61
  62    if (!surface)
  63       return VDP_STATUS_INVALID_POINTER;
  64
  65    vlsurface = CALLOC(1, sizeof(vlVdpBitmapSurface));
  66    if (!vlsurface)
  67       return VDP_STATUS_RESOURCES;
  68
  69    vlsurface->device = dev;
  70
  71    memset(&res_tmpl, 0, sizeof(res_tmpl));
  72    res_tmpl.target = PIPE_TEXTURE_2D;
  73    res_tmpl.format = FormatRGBAToPipe(rgba_format);
  74    res_tmpl.width0 = width;
  75    res_tmpl.height0 = height;
  76    res_tmpl.depth0 = 1;
  77    res_tmpl.array_size = 1;
  78    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
  79    res_tmpl.usage = frequently_accessed ? PIPE_USAGE_DYNAMIC : PIPE_USAGE_STATIC;
  80
  81    pipe_mutex_lock(dev->mutex);
  82    res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
  83    if (!res) {
  84       pipe_mutex_unlock(dev->mutex);
  85       FREE(dev);
  86       return VDP_STATUS_RESOURCES;
  87    }
  88
  89    vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
  90    vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
  91
  92    pipe_resource_reference(&res, NULL);
  93    pipe_mutex_unlock(dev->mutex);
  94
  95    if (!vlsurface->sampler_view) {
  96       FREE(dev);
  97       return VDP_STATUS_RESOURCES;
  98    }
  99
 100    *surface = vlAddDataHTAB(vlsurface);
 101    if (*surface == 0) {
 102       FREE(dev);
 103       return VDP_STATUS_ERROR;
 104    }
 105
 106    return VDP_STATUS_OK;
 107 }
 108
 109 /**
 110  * Destroy a VdpBitmapSurface.
 111  */
 112 VdpStatus
 113 vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
 114 {
 115    vlVdpBitmapSurface *vlsurface;
 116
 117    vlsurface = vlGetDataHTAB(surface);
 118    if (!vlsurface)
 119       return VDP_STATUS_INVALID_HANDLE;
 120
 121    pipe_mutex_lock(vlsurface->device->mutex);
 122    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 123    pipe_mutex_unlock(vlsurface->device->mutex);
 124
 125    vlRemoveDataHTAB(surface);
 126    FREE(vlsurface);
 127
 128    return VDP_STATUS_OK;
 129 }
 130
 131 /**
 132  * Retrieve the parameters used to create a VdpBitmapSurface.
 133  */
 134 VdpStatus
 135 vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
 136                                 VdpRGBAFormat *rgba_format,
 137                                 uint32_t *width, uint32_t *height,
 138                                 VdpBool *frequently_accessed)
 139 {
 140    vlVdpBitmapSurface *vlsurface;
 141    struct pipe_resource *res;
 142
 143    vlsurface = vlGetDataHTAB(surface);
 144    if (!vlsurface)
 145       return VDP_STATUS_INVALID_HANDLE;
 146
 147    if (!(rgba_format && width && height && frequently_accessed))
 148       return VDP_STATUS_INVALID_POINTER;
 149
 150    res = vlsurface->sampler_view->texture;
 151    *rgba_format = PipeToFormatRGBA(res->format);
 152    *width = res->width0;
 153    *height = res->height0;
 154    *frequently_accessed = res->usage == PIPE_USAGE_DYNAMIC;
 155
 156    return VDP_STATUS_OK;
 157 }
 158
 159 /**
 160  * Copy image data from application memory in the surface's native format to
 161  * a VdpBitmapSurface.
 162  */
 163 VdpStatus
 164 vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
 165                                 void const *const *source_data,
 166                                 uint32_t const *source_pitches,
 167                                 VdpRect const *destination_rect)
 168 {
 169    vlVdpBitmapSurface *vlsurface;
 170    struct pipe_box dst_box;
 171    struct pipe_context *pipe;
 172
 173    vlsurface = vlGetDataHTAB(surface);
 174    if (!vlsurface)
 175       return VDP_STATUS_INVALID_HANDLE;
 176
 177    if (!(source_data && source_pitches))
 178       return VDP_STATUS_INVALID_POINTER;
 179
 180    pipe = vlsurface->device->context;
 181
 182    pipe_mutex_lock(vlsurface->device->mutex);
 183
 184    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 185
 186    dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
 187    pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,
 188                                PIPE_TRANSFER_WRITE, &dst_box, *source_data,
 189                                *source_pitches, 0);
 190
 191    pipe_mutex_unlock(vlsurface->device->mutex);
 192
 193    return VDP_STATUS_OK;
 194 }