src/gallium/state_trackers/xorg/xvmc/subpicture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   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 <assert.h>
  29 #include <X11/Xlibint.h>
  30 #include <X11/extensions/XvMClib.h>
  31 #include <vl_winsys.h>
  32 #include <pipe/p_screen.h>
  33 #include <pipe/p_video_context.h>
  34 #include <pipe/p_state.h>
  35 #include <util/u_memory.h>
  36 #include <util/u_math.h>
  37 #include "xvmc_private.h"
  38
  39 #define FOURCC_RGB 0x0000003
  40
  41 Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture *subpicture,
  42                             unsigned short width, unsigned short height, int xvimage_id)
  43 {
  44    XvMCContextPrivate *context_priv;
  45    XvMCSubPicturePrivate *subpicture_priv;
  46    struct pipe_video_context *vpipe;
  47    struct pipe_texture template;
  48    struct pipe_texture *tex;
  49
  50    assert(dpy);
  51
  52    if (!context)
  53       return XvMCBadContext;
  54
  55    context_priv = context->privData;
  56    vpipe = context_priv->vctx->vpipe;
  57
  58    if (!subpicture)
  59       return XvMCBadSubpicture;
  60
  61    if (width > 2048 || height > 2048)
  62       return BadValue;
  63
  64    if (xvimage_id != FOURCC_RGB)
  65       return BadMatch;
  66
  67    subpicture_priv = CALLOC(1, sizeof(XvMCSubPicturePrivate));
  68    if (!subpicture_priv)
  69       return BadAlloc;
  70
  71    memset(&template, 0, sizeof(struct pipe_texture));
  72    template.target = PIPE_TEXTURE_2D;
  73    template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
  74    template.last_level = 0;
  75    if (vpipe->screen->get_param(vpipe->screen, PIPE_CAP_NPOT_TEXTURES)) {
  76       template.width0 = width;
  77       template.height0 = height;
  78    }
  79    else {
  80       template.width0 = util_next_power_of_two(width);
  81       template.height0 = util_next_power_of_two(height);
  82    }
  83    template.depth0 = 1;
  84    template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_RENDER_TARGET;
  85
  86    subpicture_priv->context = context;
  87    tex = vpipe->screen->texture_create(vpipe->screen, &template);
  88    subpicture_priv->sfc = vpipe->screen->get_tex_surface(vpipe->screen, tex, 0, 0, 0,
  89                                                          PIPE_BUFFER_USAGE_GPU_READ_WRITE);
  90    pipe_texture_reference(&tex, NULL);
  91    if (!subpicture_priv->sfc)
  92    {
  93       FREE(subpicture_priv);
  94       return BadAlloc;
  95    }
  96
  97    subpicture->subpicture_id = XAllocID(dpy);
  98    subpicture->context_id = context->context_id;
  99    subpicture->xvimage_id = xvimage_id;
 100    subpicture->width = width;
 101    subpicture->height = height;
 102    subpicture->num_palette_entries = 0;
 103    subpicture->entry_bytes = 0;
 104    subpicture->component_order[0] = 0;
 105    subpicture->component_order[1] = 0;
 106    subpicture->component_order[2] = 0;
 107    subpicture->component_order[3] = 0;
 108    subpicture->privData = subpicture_priv;
 109
 110    SyncHandle();
 111
 112    return Success;
 113 }
 114
 115 Status XvMCClearSubpicture(Display *dpy, XvMCSubpicture *subpicture, short x, short y,
 116                            unsigned short width, unsigned short height, unsigned int color)
 117 {
 118    XvMCSubPicturePrivate *subpicture_priv;
 119    XvMCContextPrivate *context_priv;
 120    assert(dpy);
 121
 122    if (!subpicture)
 123       return XvMCBadSubpicture;
 124
 125    subpicture_priv = subpicture->privData;
 126    context_priv = subpicture_priv->context->privData;
 127    /* TODO: Assert clear rect is within bounds? Or clip? */
 128    context_priv->vctx->vpipe->surface_fill(context_priv->vctx->vpipe,
 129                                            subpicture_priv->sfc, x, y,
 130                                            width, height, color);
 131
 132    return Success;
 133 }
 134
 135 Status XvMCCompositeSubpicture(Display *dpy, XvMCSubpicture *subpicture, XvImage *image,
 136                                short srcx, short srcy, unsigned short width, unsigned short height,
 137                                short dstx, short dsty)
 138 {
 139    assert(dpy);
 140
 141    if (!subpicture)
 142       return XvMCBadSubpicture;
 143
 144    assert(image);
 145
 146    if (subpicture->xvimage_id != image->id)
 147       return BadMatch;
 148
 149    /* TODO: Assert rects are within bounds? Or clip? */
 150
 151    return Success;
 152 }
 153
 154 Status XvMCDestroySubpicture(Display *dpy, XvMCSubpicture *subpicture)
 155 {
 156    XvMCSubPicturePrivate *subpicture_priv;
 157
 158    assert(dpy);
 159
 160    if (!subpicture)
 161       return XvMCBadSubpicture;
 162
 163    subpicture_priv = subpicture->privData;
 164    pipe_surface_reference(&subpicture_priv->sfc, NULL);
 165    FREE(subpicture_priv);
 166
 167    return Success;
 168 }
 169
 170 Status XvMCSetSubpicturePalette(Display *dpy, XvMCSubpicture *subpicture, unsigned char *palette)
 171 {
 172    assert(dpy);
 173
 174    if (!subpicture)
 175       return XvMCBadSubpicture;
 176
 177    assert(palette);
 178
 179    /* We don't support paletted subpictures */
 180    return BadMatch;
 181 }
 182
 183 Status XvMCBlendSubpicture(Display *dpy, XvMCSurface *target_surface, XvMCSubpicture *subpicture,
 184                            short subx, short suby, unsigned short subw, unsigned short subh,
 185                            short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 186 {
 187    assert(dpy);
 188
 189    if (!target_surface)
 190       return XvMCBadSurface;
 191
 192    if (!subpicture)
 193       return XvMCBadSubpicture;
 194
 195    if (target_surface->context_id != subpicture->context_id)
 196       return BadMatch;
 197
 198    /* TODO: Assert rects are within bounds? Or clip? */
 199    return Success;
 200 }
 201
 202 Status XvMCBlendSubpicture2(Display *dpy, XvMCSurface *source_surface, XvMCSurface *target_surface,
 203                             XvMCSubpicture *subpicture, short subx, short suby, unsigned short subw, unsigned short subh,
 204                             short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 205 {
 206    assert(dpy);
 207
 208    if (!source_surface || !target_surface)
 209       return XvMCBadSurface;
 210
 211    if (!subpicture)
 212       return XvMCBadSubpicture;
 213
 214    if (source_surface->context_id != subpicture->context_id)
 215       return BadMatch;
 216
 217    if (source_surface->context_id != subpicture->context_id)
 218       return BadMatch;
 219
 220    /* TODO: Assert rects are within bounds? Or clip? */
 221    return Success;
 222 }
 223
 224 Status XvMCSyncSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 225 {
 226    assert(dpy);
 227
 228    if (!subpicture)
 229       return XvMCBadSubpicture;
 230
 231    return Success;
 232 }
 233
 234 Status XvMCFlushSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 235 {
 236    assert(dpy);
 237
 238    if (!subpicture)
 239       return XvMCBadSubpicture;
 240
 241    return Success;
 242 }
 243
 244 Status XvMCGetSubpictureStatus(Display *dpy, XvMCSubpicture *subpicture, int *status)
 245 {
 246    assert(dpy);
 247
 248    if (!subpicture)
 249       return XvMCBadSubpicture;
 250
 251    assert(status);
 252
 253    /* TODO */
 254    *status = 0;
 255
 256    return Success;
 257 }