bitmap.c revision 54afbce934b4adb7258d79699c37312d378a7401 
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      FREE(vlsurface);
87      return VDP_STATUS_RESOURCES;
88   }
89
90   vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
91   vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
92
93   pipe_resource_reference(&res, NULL);
94   pipe_mutex_unlock(dev->mutex);
95
96   if (!vlsurface->sampler_view) {
97      FREE(dev);
98      return VDP_STATUS_RESOURCES;
99   }
100
101   *surface = vlAddDataHTAB(vlsurface);
102   if (*surface == 0) {
103      FREE(dev);
104      return VDP_STATUS_ERROR;
105   }
106
107   return VDP_STATUS_OK;
108}
109
110/**
111 * Destroy a VdpBitmapSurface.
112 */
113VdpStatus
114vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
115{
116   vlVdpBitmapSurface *vlsurface;
117
118   vlsurface = vlGetDataHTAB(surface);
119   if (!vlsurface)
120      return VDP_STATUS_INVALID_HANDLE;
121
122   pipe_mutex_lock(vlsurface->device->mutex);
123   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
124   pipe_mutex_unlock(vlsurface->device->mutex);
125
126   vlRemoveDataHTAB(surface);
127   FREE(vlsurface);
128
129   return VDP_STATUS_OK;
130}
131
132/**
133 * Retrieve the parameters used to create a VdpBitmapSurface.
134 */
135VdpStatus
136vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
137                                VdpRGBAFormat *rgba_format,
138                                uint32_t *width, uint32_t *height,
139                                VdpBool *frequently_accessed)
140{
141   vlVdpBitmapSurface *vlsurface;
142   struct pipe_resource *res;
143
144   vlsurface = vlGetDataHTAB(surface);
145   if (!vlsurface)
146      return VDP_STATUS_INVALID_HANDLE;
147
148   if (!(rgba_format && width && height && frequently_accessed))
149      return VDP_STATUS_INVALID_POINTER;
150
151   res = vlsurface->sampler_view->texture;
152   *rgba_format = PipeToFormatRGBA(res->format);
153   *width = res->width0;
154   *height = res->height0;
155   *frequently_accessed = res->usage == PIPE_USAGE_DYNAMIC;
156
157   return VDP_STATUS_OK;
158}
159
160/**
161 * Copy image data from application memory in the surface's native format to
162 * a VdpBitmapSurface.
163 */
164VdpStatus
165vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
166                                void const *const *source_data,
167                                uint32_t const *source_pitches,
168                                VdpRect const *destination_rect)
169{
170   vlVdpBitmapSurface *vlsurface;
171   struct pipe_box dst_box;
172   struct pipe_context *pipe;
173
174   vlsurface = vlGetDataHTAB(surface);
175   if (!vlsurface)
176      return VDP_STATUS_INVALID_HANDLE;
177
178   if (!(source_data && source_pitches))
179      return VDP_STATUS_INVALID_POINTER;
180
181   pipe = vlsurface->device->context;
182
183   pipe_mutex_lock(vlsurface->device->mutex);
184
185   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
186
187   dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
188   pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,
189                               PIPE_TRANSFER_WRITE, &dst_box, *source_data,
190                               *source_pitches, 0);
191
192   pipe_mutex_unlock(vlsurface->device->mutex);
193
194   return VDP_STATUS_OK;
195}
196