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 #include "main/texobj.h"
  35 #include "main/teximage.h"
  36 #include "main/errors.h"
  37 #include "program/prog_instruction.h"
  38
  39 #include "pipe/p_state.h"
  40 #include "pipe/p_video_codec.h"
  41
  42 #include "util/u_inlines.h"
  43
  44 #include "st_vdpau.h"
  45 #include "st_context.h"
  46 #include "st_texture.h"
  47 #include "st_format.h"
  48 #include "st_cb_flush.h"
  49
  50 #ifdef HAVE_ST_VDPAU
  51
  52 #include "state_tracker/vdpau_interop.h"
  53 #include "state_tracker/vdpau_dmabuf.h"
  54 #include "state_tracker/vdpau_funcs.h"
  55 #include "state_tracker/drm_driver.h"
  56
  57 static struct pipe_resource *
  58 st_vdpau_video_surface_gallium(struct gl_context *ctx, const void *vdpSurface,
  59                                GLuint index)
  60 {
  61    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
  62    uint32_t device = (uintptr_t)ctx->vdpDevice;
  63    struct pipe_sampler_view *sv;
  64    VdpVideoSurfaceGallium *f;
  65
  66    struct pipe_video_buffer *buffer;
  67    struct pipe_sampler_view **samplers;
  68    struct pipe_resource *res = NULL;
  69
  70    getProcAddr = (void *)ctx->vdpGetProcAddress;
  71    if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_GALLIUM, (void**)&f))
  72       return NULL;
  73
  74    buffer = f((uintptr_t)vdpSurface);
  75    if (!buffer)
  76       return NULL;
  77
  78    samplers = buffer->get_sampler_view_planes(buffer);
  79    if (!samplers)
  80       return NULL;
  81
  82    sv = samplers[index >> 1];
  83    if (!sv)
  84       return NULL;
  85
  86    pipe_resource_reference(&res, sv->texture);
  87    return res;
  88 }
  89
  90 static struct pipe_resource *
  91 st_vdpau_output_surface_gallium(struct gl_context *ctx, const void *vdpSurface)
  92 {
  93    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
  94    uint32_t device = (uintptr_t)ctx->vdpDevice;
  95    struct pipe_resource *res = NULL;
  96    VdpOutputSurfaceGallium *f;
  97
  98    getProcAddr = (void *)ctx->vdpGetProcAddress;
  99    if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_GALLIUM, (void**)&f))
 100       return NULL;
 101
 102    pipe_resource_reference(&res, f((uintptr_t)vdpSurface));
 103    return res;
 104 }
 105
 106 static struct pipe_resource *
 107 st_vdpau_resource_from_description(struct gl_context *ctx,
 108                                    const struct VdpSurfaceDMABufDesc *desc)
 109 {
 110    struct st_context *st = st_context(ctx);
 111    struct pipe_resource templ, *res;
 112    struct winsys_handle whandle;
 113
 114    if (desc->handle == -1)
 115       return NULL;
 116
 117    memset(&templ, 0, sizeof(templ));
 118    templ.target = PIPE_TEXTURE_2D;
 119    templ.last_level = 0;
 120    templ.depth0 = 1;
 121    templ.array_size = 1;
 122    templ.width0 = desc->width;
 123    templ.height0 = desc->height;
 124    templ.format = VdpFormatRGBAToPipe(desc->format);
 125    templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 126    templ.usage = PIPE_USAGE_DEFAULT;
 127
 128    memset(&whandle, 0, sizeof(whandle));
 129    whandle.type = DRM_API_HANDLE_TYPE_FD;
 130    whandle.handle = desc->handle;
 131    whandle.offset = desc->offset;
 132    whandle.stride = desc->stride;
 133
 134    res = st->pipe->screen->resource_from_handle(st->pipe->screen, &templ, &whandle,
 135                                                 PIPE_HANDLE_USAGE_READ_WRITE);
 136    close(desc->handle);
 137
 138    return res;
 139 }
 140
 141 static struct pipe_resource *
 142 st_vdpau_output_surface_dma_buf(struct gl_context *ctx, const void *vdpSurface)
 143 {
 144    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
 145    uint32_t device = (uintptr_t)ctx->vdpDevice;
 146
 147    struct VdpSurfaceDMABufDesc desc;
 148    VdpOutputSurfaceDMABuf *f;
 149
 150    getProcAddr = (void *)ctx->vdpGetProcAddress;
 151    if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_DMA_BUF, (void**)&f))
 152       return NULL;
 153
 154    if (f((uintptr_t)vdpSurface, &desc) != VDP_STATUS_OK)
 155       return NULL;
 156
 157    return st_vdpau_resource_from_description(ctx, &desc);
 158 }
 159
 160 static struct pipe_resource *
 161 st_vdpau_video_surface_dma_buf(struct gl_context *ctx, const void *vdpSurface,
 162                                GLuint index)
 163 {
 164    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
 165    uint32_t device = (uintptr_t)ctx->vdpDevice;
 166
 167    struct VdpSurfaceDMABufDesc desc;
 168    VdpVideoSurfaceDMABuf *f;
 169
 170    getProcAddr = (void *)ctx->vdpGetProcAddress;
 171    if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_DMA_BUF, (void**)&f))
 172       return NULL;
 173
 174    if (f((uintptr_t)vdpSurface, index, &desc) != VDP_STATUS_OK)
 175       return NULL;
 176
 177    return st_vdpau_resource_from_description(ctx, &desc);
 178 }
 179
 180 static void
 181 st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
 182                      GLboolean output, struct gl_texture_object *texObj,
 183                      struct gl_texture_image *texImage,
 184                      const void *vdpSurface, GLuint index)
 185 {
 186    struct st_context *st = st_context(ctx);
 187    struct st_texture_object *stObj = st_texture_object(texObj);
 188    struct st_texture_image *stImage = st_texture_image(texImage);
 189
 190    struct pipe_resource *res;
 191    struct pipe_sampler_view templ, **sampler_view;
 192    mesa_format texFormat;
 193
 194    if (output) {
 195       res = st_vdpau_output_surface_dma_buf(ctx, vdpSurface);
 196
 197       if (!res)
 198          res = st_vdpau_output_surface_gallium(ctx, vdpSurface);
 199
 200    } else {
 201       res = st_vdpau_video_surface_dma_buf(ctx, vdpSurface, index);
 202
 203       if (!res)
 204          res = st_vdpau_video_surface_gallium(ctx, vdpSurface, index);
 205    }
 206
 207    if (!res) {
 208       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 209       return;
 210    }
 211
 212    /* do we have different screen objects ? */
 213    if (res->screen != st->pipe->screen) {
 214       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 215       pipe_resource_reference(&res, NULL);
 216       return;
 217    }
 218
 219    /* switch to surface based */
 220    if (!stObj->surface_based) {
 221       _mesa_clear_texture_object(ctx, texObj);
 222       stObj->surface_based = GL_TRUE;
 223    }
 224
 225    texFormat = st_pipe_format_to_mesa_format(res->format);
 226
 227    _mesa_init_teximage_fields(ctx, texImage,
 228                               res->width0, res->height0, 1, 0, GL_RGBA,
 229                               texFormat);
 230
 231    pipe_resource_reference(&stObj->pt, res);
 232    st_texture_release_all_sampler_views(st, stObj);
 233    pipe_resource_reference(&stImage->pt, res);
 234
 235    u_sampler_view_default_template(&templ, res, res->format);
 236    templ.u.tex.first_layer = index & 1;
 237    templ.u.tex.last_layer = index & 1;
 238    templ.swizzle_r = GET_SWZ(stObj->base._Swizzle, 0);
 239    templ.swizzle_g = GET_SWZ(stObj->base._Swizzle, 1);
 240    templ.swizzle_b = GET_SWZ(stObj->base._Swizzle, 2);
 241    templ.swizzle_a = GET_SWZ(stObj->base._Swizzle, 3);
 242
 243    sampler_view = st_texture_get_sampler_view(st, stObj);
 244    *sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
 245
 246    stObj->surface_format = res->format;
 247
 248    _mesa_dirty_texobj(ctx, texObj);
 249    pipe_resource_reference(&res, NULL);
 250 }
 251
 252 static void
 253 st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
 254                        GLboolean output, struct gl_texture_object *texObj,
 255                        struct gl_texture_image *texImage,
 256                        const void *vdpSurface, GLuint index)
 257 {
 258    struct st_context *st = st_context(ctx);
 259    struct st_texture_object *stObj = st_texture_object(texObj);
 260    struct st_texture_image *stImage = st_texture_image(texImage);
 261
 262    pipe_resource_reference(&stObj->pt, NULL);
 263    st_texture_release_all_sampler_views(st, stObj);
 264    pipe_resource_reference(&stImage->pt, NULL);
 265
 266    _mesa_dirty_texobj(ctx, texObj);
 267
 268    st_flush(st, NULL, 0);
 269 }
 270
 271 #endif
 272
 273 void
 274 st_init_vdpau_functions(struct dd_function_table *functions)
 275 {
 276 #ifdef HAVE_ST_VDPAU
 277    functions->VDPAUMapSurface = st_vdpau_map_surface;
 278    functions->VDPAUUnmapSurface = st_vdpau_unmap_surface;
 279 #endif
 280 }