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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_sampler_view.h"
47 #include "st_texture.h"
48 #include "st_format.h"
49 #include "st_cb_flush.h"
50 
51 #ifdef HAVE_ST_VDPAU
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 *
st_vdpau_video_surface_gallium(struct gl_context * ctx,const void * vdpSurface,GLuint index)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 *
st_vdpau_output_surface_gallium(struct gl_context * ctx,const void * vdpSurface)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 *
st_vdpau_resource_from_description(struct gl_context * ctx,const struct VdpSurfaceDMABufDesc * desc)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 = DRM_API_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 *
st_vdpau_output_surface_dma_buf(struct gl_context * ctx,const void * vdpSurface)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 *
st_vdpau_video_surface_dma_buf(struct gl_context * ctx,const void * vdpSurface,GLuint index)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
st_vdpau_map_surface(struct gl_context * ctx,GLenum target,GLenum access,GLboolean output,struct gl_texture_object * texObj,struct gl_texture_image * texImage,const void * vdpSurface,GLuint index)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);
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->layer_override = layer_override;
240 
241    _mesa_dirty_texobj(ctx, texObj);
242    pipe_resource_reference(&res, NULL);
243 }
244 
245 static void
st_vdpau_unmap_surface(struct gl_context * ctx,GLenum target,GLenum access,GLboolean output,struct gl_texture_object * texObj,struct gl_texture_image * texImage,const void * vdpSurface,GLuint index)246 st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
247                        GLboolean output, struct gl_texture_object *texObj,
248                        struct gl_texture_image *texImage,
249                        const void *vdpSurface, GLuint index)
250 {
251    struct st_context *st = st_context(ctx);
252    struct st_texture_object *stObj = st_texture_object(texObj);
253    struct st_texture_image *stImage = st_texture_image(texImage);
254 
255    pipe_resource_reference(&stObj->pt, NULL);
256    st_texture_release_all_sampler_views(st, stObj);
257    pipe_resource_reference(&stImage->pt, NULL);
258 
259    stObj->layer_override = 0;
260 
261    _mesa_dirty_texobj(ctx, texObj);
262 
263    st_flush(st, NULL, 0);
264 }
265 
266 #endif
267 
268 void
st_init_vdpau_functions(struct dd_function_table * functions)269 st_init_vdpau_functions(struct dd_function_table *functions)
270 {
271 #ifdef HAVE_ST_VDPAU
272    functions->VDPAUMapSurface = st_vdpau_map_surface;
273    functions->VDPAUUnmapSurface = st_vdpau_unmap_surface;
274 #endif
275 }
276