bitmap.c revision 05579339c0da442669ea75749651e8cf4f9ec39b 
1/**************************************************************************
2 *
3 * Copyright 2010 Thomas Balling Sørensen.
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 <vdpau/vdpau.h>
29
30#include "util/u_memory.h"
31#include "util/u_sampler.h"
32
33#include "vdpau_private.h"
34
35/**
36 * Create a VdpBitmapSurface.
37 */
38VdpStatus
39vlVdpBitmapSurfaceCreate(VdpDevice device,
40                         VdpRGBAFormat rgba_format,
41                         uint32_t width, uint32_t height,
42                         VdpBool frequently_accessed,
43                         VdpBitmapSurface *surface)
44{
45   struct pipe_context *pipe;
46   struct pipe_resource res_tmpl, *res;
47   struct pipe_sampler_view sv_templ;
48
49   vlVdpBitmapSurface *vlsurface = NULL;
50
51   if (!(width && height))
52      return VDP_STATUS_INVALID_SIZE;
53
54   vlVdpDevice *dev = vlGetDataHTAB(device);
55   if (!dev)
56      return VDP_STATUS_INVALID_HANDLE;
57
58   pipe = dev->context;
59   if (!pipe)
60      return VDP_STATUS_INVALID_HANDLE;
61
62   if (!surface)
63      return VDP_STATUS_INVALID_POINTER;
64
65   vlsurface = CALLOC(1, sizeof(vlVdpBitmapSurface));
66   if (!vlsurface)
67      return VDP_STATUS_RESOURCES;
68
69   vlsurface->device = dev;
70
71   memset(&res_tmpl, 0, sizeof(res_tmpl));
72   res_tmpl.target = PIPE_TEXTURE_2D;
73   res_tmpl.format = FormatRGBAToPipe(rgba_format);
74   res_tmpl.width0 = width;
75   res_tmpl.height0 = height;
76   res_tmpl.depth0 = 1;
77   res_tmpl.array_size = 1;
78   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
79   res_tmpl.usage = frequently_accessed ? PIPE_USAGE_DYNAMIC : PIPE_USAGE_STATIC;
80
81   pipe_mutex_lock(dev->mutex);
82   res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
83   if (!res) {
84      pipe_mutex_unlock(dev->mutex);
85      FREE(dev);
86      return VDP_STATUS_RESOURCES;
87   }
88
89   vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
90   vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
91
92   pipe_resource_reference(&res, NULL);
93   pipe_mutex_unlock(dev->mutex);
94
95   if (!vlsurface->sampler_view) {
96      FREE(dev);
97      return VDP_STATUS_RESOURCES;
98   }
99
100   *surface = vlAddDataHTAB(vlsurface);
101   if (*surface == 0) {
102      FREE(dev);
103      return VDP_STATUS_ERROR;
104   }
105
106   return VDP_STATUS_OK;
107}
108
109/**
110 * Destroy a VdpBitmapSurface.
111 */
112VdpStatus
113vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
114{
115   vlVdpBitmapSurface *vlsurface;
116
117   vlsurface = vlGetDataHTAB(surface);
118   if (!vlsurface)
119      return VDP_STATUS_INVALID_HANDLE;
120
121   pipe_mutex_lock(vlsurface->device->mutex);
122   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
123   pipe_mutex_unlock(vlsurface->device->mutex);
124
125   vlRemoveDataHTAB(surface);
126   FREE(vlsurface);
127
128   return VDP_STATUS_OK;
129}
130
131/**
132 * Retrieve the parameters used to create a VdpBitmapSurface.
133 */
134VdpStatus
135vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
136                                VdpRGBAFormat *rgba_format,
137                                uint32_t *width, uint32_t *height,
138                                VdpBool *frequently_accessed)
139{
140   vlVdpBitmapSurface *vlsurface;
141   struct pipe_resource *res;
142
143   vlsurface = vlGetDataHTAB(surface);
144   if (!vlsurface)
145      return VDP_STATUS_INVALID_HANDLE;
146
147   if (!(rgba_format && width && height && frequently_accessed))
148      return VDP_STATUS_INVALID_POINTER;
149
150   res = vlsurface->sampler_view->texture;
151   *rgba_format = PipeToFormatRGBA(res->format);
152   *width = res->width0;
153   *height = res->height0;
154   *frequently_accessed = res->usage == PIPE_USAGE_DYNAMIC;
155
156   return VDP_STATUS_OK;
157}
158
159/**
160 * Copy image data from application memory in the surface's native format to
161 * a VdpBitmapSurface.
162 */
163VdpStatus
164vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
165                                void const *const *source_data,
166                                uint32_t const *source_pitches,
167                                VdpRect const *destination_rect)
168{
169   vlVdpBitmapSurface *vlsurface;
170   struct pipe_box dst_box;
171   struct pipe_context *pipe;
172
173   vlsurface = vlGetDataHTAB(surface);
174   if (!vlsurface)
175      return VDP_STATUS_INVALID_HANDLE;
176
177   if (!(source_data && source_pitches))
178      return VDP_STATUS_INVALID_POINTER;
179
180   pipe = vlsurface->device->context;
181
182   pipe_mutex_lock(vlsurface->device->mutex);
183
184   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
185
186   dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
187   pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,
188                               PIPE_TRANSFER_WRITE, &dst_box, *source_data,
189                               *source_pitches, 0);
190
191   pipe_mutex_unlock(vlsurface->device->mutex);
192
193   return VDP_STATUS_OK;
194}
195