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
  73    res_tmpl.target = PIPE_TEXTURE_2D;
  74    res_tmpl.format = FormatRGBAToPipe(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_STATIC;
  81    res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
  82    if (!res) {
  83       FREE(dev);
  84       return VDP_STATUS_RESOURCES;
  85    }
  86
  87    memset(&sv_templ, 0, sizeof(sv_templ));
  88    u_sampler_view_default_template(&sv_templ, res, res->format);
  89    vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
  90    if (!vlsurface->sampler_view) {
  91       pipe_resource_reference(&res, NULL);
  92       FREE(dev);
  93       return VDP_STATUS_RESOURCES;
  94    }
  95
  96    *surface = vlAddDataHTAB(vlsurface);
  97    if (*surface == 0) {
  98       pipe_resource_reference(&res, NULL);
  99       FREE(dev);
 100       return VDP_STATUS_ERROR;
 101    }
 102
 103    pipe_resource_reference(&res, NULL);
 104
 105    return VDP_STATUS_OK;
 106 }
 107
 108 /**
 109  * Destroy a VdpBitmapSurface.
 110  */
 111 VdpStatus
 112 vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
 113 {
 114    vlVdpBitmapSurface *vlsurface;
 115
 116    vlsurface = vlGetDataHTAB(surface);
 117    if (!vlsurface)
 118       return VDP_STATUS_INVALID_HANDLE;
 119
 120    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 121
 122    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 123
 124    vlRemoveDataHTAB(surface);
 125    FREE(vlsurface);
 126
 127    return VDP_STATUS_OK;
 128 }
 129
 130 /**
 131  * Retrieve the parameters used to create a VdpBitmapSurface.
 132  */
 133 VdpStatus
 134 vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
 135                                 VdpRGBAFormat *rgba_format,
 136                                 uint32_t *width, uint32_t *height,
 137                                 VdpBool *frequently_accessed)
 138 {
 139    vlVdpBitmapSurface *vlsurface;
 140    struct pipe_resource *res;
 141
 142    vlsurface = vlGetDataHTAB(surface);
 143    if (!vlsurface)
 144       return VDP_STATUS_INVALID_HANDLE;
 145
 146    if (!(rgba_format && width && height && frequently_accessed))
 147       return VDP_STATUS_INVALID_POINTER;
 148
 149    res = vlsurface->sampler_view->texture;
 150    *rgba_format = PipeToFormatRGBA(res->format);
 151    *width = res->width0;
 152    *height = res->height0;
 153    *frequently_accessed = res->usage == PIPE_USAGE_DYNAMIC;
 154
 155    return VDP_STATUS_OK;
 156 }
 157
 158 /**
 159  * Copy image data from application memory in the surface's native format to
 160  * a VdpBitmapSurface.
 161  */
 162 VdpStatus
 163 vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
 164                                 void const *const *source_data,
 165                                 uint32_t const *source_pitches,
 166                                 VdpRect const *destination_rect)
 167 {
 168    vlVdpBitmapSurface *vlsurface;
 169    struct pipe_box dst_box;
 170    struct pipe_context *pipe;
 171
 172    vlsurface = vlGetDataHTAB(surface);
 173    if (!vlsurface)
 174       return VDP_STATUS_INVALID_HANDLE;
 175
 176    if (!(source_data && source_pitches))
 177       return VDP_STATUS_INVALID_POINTER;
 178
 179    pipe = vlsurface->device->context;
 180
 181    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 182
 183    dst_box.x = 0;
 184    dst_box.y = 0;
 185    dst_box.z = 0;
 186    dst_box.width = vlsurface->sampler_view->texture->width0;
 187    dst_box.height = vlsurface->sampler_view->texture->height0;
 188    dst_box.depth = 1;
 189
 190    if (destination_rect) {
 191       dst_box.x = MIN2(destination_rect->x0, destination_rect->x1);
 192       dst_box.y = MIN2(destination_rect->y0, destination_rect->y1);
 193       dst_box.width = abs(destination_rect->x1 - destination_rect->x0);
 194       dst_box.height = abs(destination_rect->y1 - destination_rect->y0);
 195    }
 196
 197    pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,
 198                                PIPE_TRANSFER_WRITE, &dst_box, *source_data,
 199                                *source_pitches, 0);
 200    return VDP_STATUS_OK;
 201 }