src/mesa/state_tracker/st_vdpau.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2013 Advanced Micro Devices, 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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 /*
  29  * Authors:
  30  *      Christian König <christian.koenig@amd.com>
  31  *
  32  */
  33
  34 #ifdef HAVE_ST_VDPAU
  35
  36 #include "main/texobj.h"
  37 #include "main/teximage.h"
  38 #include "main/errors.h"
  39 #include "program/prog_instruction.h"
  40
  41 #include "pipe/p_state.h"
  42 #include "pipe/p_video_codec.h"
  43
  44 #include "util/u_inlines.h"
  45
  46 #include "st_vdpau.h"
  47 #include "st_context.h"
  48 #include "st_sampler_view.h"
  49 #include "st_texture.h"
  50 #include "st_format.h"
  51 #include "st_cb_flush.h"
  52
  53 #include "state_tracker/vdpau_interop.h"
  54 #include "state_tracker/vdpau_dmabuf.h"
  55 #include "state_tracker/vdpau_funcs.h"
  56 #include "state_tracker/drm_driver.h"
  57
  58 static struct pipe_resource *
  59 st_vdpau_video_surface_gallium(struct gl_context *ctx, const void *vdpSurface,
  60                                GLuint index)
  61 {
  62    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
  63    uint32_t device = (uintptr_t)ctx->vdpDevice;
  64    struct pipe_sampler_view *sv;
  65    VdpVideoSurfaceGallium *f;
  66
  67    struct pipe_video_buffer *buffer;
  68    struct pipe_sampler_view **samplers;
  69    struct pipe_resource *res = NULL;
  70
  71    getProcAddr = (void *)ctx->vdpGetProcAddress;
  72    if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_GALLIUM, (void**)&f))
  73       return NULL;
  74
  75    buffer = f((uintptr_t)vdpSurface);
  76    if (!buffer)
  77       return NULL;
  78
  79    samplers = buffer->get_sampler_view_planes(buffer);
  80    if (!samplers)
  81       return NULL;
  82
  83    sv = samplers[index >> 1];
  84    if (!sv)
  85       return NULL;
  86
  87    pipe_resource_reference(&res, sv->texture);
  88    return res;
  89 }
  90
  91 static struct pipe_resource *
  92 st_vdpau_output_surface_gallium(struct gl_context *ctx, const void *vdpSurface)
  93 {
  94    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
  95    uint32_t device = (uintptr_t)ctx->vdpDevice;
  96    struct pipe_resource *res = NULL;
  97    VdpOutputSurfaceGallium *f;
  98
  99    getProcAddr = (void *)ctx->vdpGetProcAddress;
 100    if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_GALLIUM, (void**)&f))
 101       return NULL;
 102
 103    pipe_resource_reference(&res, f((uintptr_t)vdpSurface));
 104    return res;
 105 }
 106
 107 static struct pipe_resource *
 108 st_vdpau_resource_from_description(struct gl_context *ctx,
 109                                    const struct VdpSurfaceDMABufDesc *desc)
 110 {
 111    struct st_context *st = st_context(ctx);
 112    struct pipe_resource templ, *res;
 113    struct winsys_handle whandle;
 114
 115    if (desc->handle == -1)
 116       return NULL;
 117
 118    memset(&templ, 0, sizeof(templ));
 119    templ.target = PIPE_TEXTURE_2D;
 120    templ.last_level = 0;
 121    templ.depth0 = 1;
 122    templ.array_size = 1;
 123    templ.width0 = desc->width;
 124    templ.height0 = desc->height;
 125    templ.format = VdpFormatRGBAToPipe(desc->format);
 126    templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 127    templ.usage = PIPE_USAGE_DEFAULT;
 128
 129    memset(&whandle, 0, sizeof(whandle));
 130    whandle.type = WINSYS_HANDLE_TYPE_FD;
 131    whandle.handle = desc->handle;
 132    whandle.offset = desc->offset;
 133    whandle.stride = desc->stride;
 134
 135    res = st->pipe->screen->resource_from_handle(st->pipe->screen, &templ, &whandle,
 136                                                 PIPE_HANDLE_USAGE_READ_WRITE);
 137    close(desc->handle);
 138
 139    return res;
 140 }
 141
 142 static struct pipe_resource *
 143 st_vdpau_output_surface_dma_buf(struct gl_context *ctx, const void *vdpSurface)
 144 {
 145    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
 146    uint32_t device = (uintptr_t)ctx->vdpDevice;
 147
 148    struct VdpSurfaceDMABufDesc desc;
 149    VdpOutputSurfaceDMABuf *f;
 150
 151    getProcAddr = (void *)ctx->vdpGetProcAddress;
 152    if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_DMA_BUF, (void**)&f))
 153       return NULL;
 154
 155    if (f((uintptr_t)vdpSurface, &desc) != VDP_STATUS_OK)
 156       return NULL;
 157
 158    return st_vdpau_resource_from_description(ctx, &desc);
 159 }
 160
 161 static struct pipe_resource *
 162 st_vdpau_video_surface_dma_buf(struct gl_context *ctx, const void *vdpSurface,
 163                                GLuint index)
 164 {
 165    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
 166    uint32_t device = (uintptr_t)ctx->vdpDevice;
 167
 168    struct VdpSurfaceDMABufDesc desc;
 169    VdpVideoSurfaceDMABuf *f;
 170
 171    getProcAddr = (void *)ctx->vdpGetProcAddress;
 172    if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_DMA_BUF, (void**)&f))
 173       return NULL;
 174
 175    if (f((uintptr_t)vdpSurface, index, &desc) != VDP_STATUS_OK)
 176       return NULL;
 177
 178    return st_vdpau_resource_from_description(ctx, &desc);
 179 }
 180
 181 static void
 182 st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
 183                      GLboolean output, struct gl_texture_object *texObj,
 184                      struct gl_texture_image *texImage,
 185                      const void *vdpSurface, GLuint index)
 186 {
 187    struct st_context *st = st_context(ctx);
 188    struct st_texture_object *stObj = st_texture_object(texObj);
 189    struct st_texture_image *stImage = st_texture_image(texImage);
 190
 191    struct pipe_resource *res;
 192    mesa_format texFormat;
 193    uint layer_override = 0;
 194
 195    if (output) {
 196       res = st_vdpau_output_surface_dma_buf(ctx, vdpSurface);
 197
 198       if (!res)
 199          res = st_vdpau_output_surface_gallium(ctx, vdpSurface);
 200
 201    } else {
 202       res = st_vdpau_video_surface_dma_buf(ctx, vdpSurface, index);
 203
 204       if (!res) {
 205          res = st_vdpau_video_surface_gallium(ctx, vdpSurface, index);
 206          layer_override = index & 1;
 207       }
 208    }
 209
 210    if (!res) {
 211       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 212       return;
 213    }
 214
 215    /* do we have different screen objects ? */
 216    if (res->screen != st->pipe->screen) {
 217       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 218       pipe_resource_reference(&res, NULL);
 219       return;
 220    }
 221
 222    /* switch to surface based */
 223    if (!stObj->surface_based) {
 224       _mesa_clear_texture_object(ctx, texObj, NULL);
 225       stObj->surface_based = GL_TRUE;
 226    }
 227
 228    texFormat = st_pipe_format_to_mesa_format(res->format);
 229
 230    _mesa_init_teximage_fields(ctx, texImage,
 231                               res->width0, res->height0, 1, 0, GL_RGBA,
 232                               texFormat);
 233
 234    pipe_resource_reference(&stObj->pt, res);
 235    st_texture_release_all_sampler_views(st, stObj);
 236    pipe_resource_reference(&stImage->pt, res);
 237
 238    stObj->surface_format = res->format;
 239    stObj->level_override = 0;
 240    stObj->layer_override = layer_override;
 241
 242    _mesa_dirty_texobj(ctx, texObj);
 243    pipe_resource_reference(&res, NULL);
 244 }
 245
 246 static void
 247 st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
 248                        GLboolean output, struct gl_texture_object *texObj,
 249                        struct gl_texture_image *texImage,
 250                        const void *vdpSurface, GLuint index)
 251 {
 252    struct st_context *st = st_context(ctx);
 253    struct st_texture_object *stObj = st_texture_object(texObj);
 254    struct st_texture_image *stImage = st_texture_image(texImage);
 255
 256    pipe_resource_reference(&stObj->pt, NULL);
 257    st_texture_release_all_sampler_views(st, stObj);
 258    pipe_resource_reference(&stImage->pt, NULL);
 259
 260    stObj->level_override = 0;
 261    stObj->layer_override = 0;
 262
 263    _mesa_dirty_texobj(ctx, texObj);
 264
 265    /* NV_vdpau_interop does not specify an explicit synchronization mechanism
 266     * between the GL and VDPAU contexts. Provide automatic synchronization here.
 267     */
 268    st_flush(st, NULL, 0);
 269 }
 270
 271 void
 272 st_init_vdpau_functions(struct dd_function_table *functions)
 273 {
 274    functions->VDPAUMapSurface = st_vdpau_map_surface;
 275    functions->VDPAUUnmapSurface = st_vdpau_unmap_surface;
 276 }
 277 #endif