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 "state_tracker/vdpau_interop.h"
  43
  44 #include "util/u_inlines.h"
  45
  46 #include "st_vdpau.h"
  47 #include "st_context.h"
  48 #include "st_texture.h"
  49 #include "st_format.h"
  50 #include "st_cb_flush.h"
  51
  52 #ifdef HAVE_ST_VDPAU
  53
  54 static void
  55 st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
  56                      GLboolean output, struct gl_texture_object *texObj,
  57                      struct gl_texture_image *texImage,
  58                      const GLvoid *vdpSurface, GLuint index)
  59 {
  60    int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
  61    uint32_t device = (uintptr_t)ctx->vdpDevice;
  62
  63    struct st_context *st = st_context(ctx);
  64    struct st_texture_object *stObj = st_texture_object(texObj);
  65    struct st_texture_image *stImage = st_texture_image(texImage);
  66
  67    struct pipe_resource *res;
  68    struct pipe_sampler_view templ, **sampler_view;
  69    mesa_format texFormat;
  70
  71    getProcAddr = (void *)ctx->vdpGetProcAddress;
  72    if (output) {
  73       VdpOutputSurfaceGallium *f;
  74
  75       if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_GALLIUM, (void**)&f)) {
  76          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
  77          return;
  78       }
  79
  80       res = f((uintptr_t)vdpSurface);
  81
  82       if (!res) {
  83          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
  84          return;
  85       }
  86
  87    } else {
  88       struct pipe_sampler_view *sv;
  89       VdpVideoSurfaceGallium *f;
  90
  91       struct pipe_video_buffer *buffer;
  92       struct pipe_sampler_view **samplers;
  93
  94       if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_GALLIUM, (void**)&f)) {
  95          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
  96          return;
  97       }
  98
  99       buffer = f((uintptr_t)vdpSurface);
 100       if (!buffer) {
 101          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 102          return;
 103       }
 104
 105       samplers = buffer->get_sampler_view_planes(buffer);
 106       if (!samplers) {
 107          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 108          return;
 109       }
 110
 111       sv = samplers[index >> 1];
 112       if (!sv) {
 113          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 114          return;
 115       }
 116
 117       res = sv->texture;
 118    }
 119
 120    if (!res) {
 121       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 122       return;
 123    }
 124
 125    /* do we have different screen objects ? */
 126    if (res->screen != st->pipe->screen) {
 127       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
 128       return;
 129    }
 130
 131    /* switch to surface based */
 132    if (!stObj->surface_based) {
 133       _mesa_clear_texture_object(ctx, texObj);
 134       stObj->surface_based = GL_TRUE;
 135    }
 136
 137    texFormat = st_pipe_format_to_mesa_format(res->format);
 138
 139    _mesa_init_teximage_fields(ctx, texImage,
 140                               res->width0, res->height0, 1, 0, GL_RGBA,
 141                               texFormat);
 142
 143    pipe_resource_reference(&stObj->pt, res);
 144    st_texture_release_all_sampler_views(st, stObj);
 145    pipe_resource_reference(&stImage->pt, res);
 146
 147    u_sampler_view_default_template(&templ, res, res->format);
 148    templ.u.tex.first_layer = index & 1;
 149    templ.u.tex.last_layer = index & 1;
 150    templ.swizzle_r = GET_SWZ(stObj->base._Swizzle, 0);
 151    templ.swizzle_g = GET_SWZ(stObj->base._Swizzle, 1);
 152    templ.swizzle_b = GET_SWZ(stObj->base._Swizzle, 2);
 153    templ.swizzle_a = GET_SWZ(stObj->base._Swizzle, 3);
 154
 155    sampler_view = st_texture_get_sampler_view(st, stObj);
 156    *sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
 157
 158    stObj->width0 = res->width0;
 159    stObj->height0 = res->height0;
 160    stObj->depth0 = 1;
 161    stObj->surface_format = res->format;
 162
 163    _mesa_dirty_texobj(ctx, texObj);
 164 }
 165
 166 static void
 167 st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
 168                        GLboolean output, struct gl_texture_object *texObj,
 169                        struct gl_texture_image *texImage,
 170                        const GLvoid *vdpSurface, GLuint index)
 171 {
 172    struct st_context *st = st_context(ctx);
 173    struct st_texture_object *stObj = st_texture_object(texObj);
 174    struct st_texture_image *stImage = st_texture_image(texImage);
 175
 176    pipe_resource_reference(&stObj->pt, NULL);
 177    st_texture_release_all_sampler_views(st, stObj);
 178    pipe_resource_reference(&stImage->pt, NULL);
 179
 180    _mesa_dirty_texobj(ctx, texObj);
 181
 182    st_flush(st, NULL, 0);
 183 }
 184
 185 #endif
 186
 187 void
 188 st_init_vdpau_functions(struct dd_function_table *functions)
 189 {
 190 #ifdef HAVE_ST_VDPAU
 191    functions->VDPAUMapSurface = st_vdpau_map_surface;
 192    functions->VDPAUUnmapSurface = st_vdpau_unmap_surface;
 193 #endif
 194 }