bitmap.c revision 3aa087fa048dfda37ab247e2dbe4a809c2fac948 
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
73   res_tmpl.target = PIPE_TEXTURE_2D;
74   res_tmpl.format = FormatRGBAToPipe(rgba_format);
75   res_tmpl.width0 = width;
76   res_tmpl.height0 = height;
77   res_tmpl.depth0 = 1;
78   res_tmpl.array_size = 1;
79   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
80   res_tmpl.usage = frequently_accessed ? PIPE_USAGE_DYNAMIC : PIPE_USAGE_STATIC;
81   res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
82   if (!res) {
83      FREE(dev);
84      return VDP_STATUS_RESOURCES;
85   }
86
87   memset(&sv_templ, 0, sizeof(sv_templ));
88   u_sampler_view_default_template(&sv_templ, res, res->format);
89   vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
90   if (!vlsurface->sampler_view) {
91      pipe_resource_reference(&res, NULL);
92      FREE(dev);
93      return VDP_STATUS_RESOURCES;
94   }
95
96   *surface = vlAddDataHTAB(vlsurface);
97   if (*surface == 0) {
98      pipe_resource_reference(&res, NULL);
99      FREE(dev);
100      return VDP_STATUS_ERROR;
101   }
102
103   pipe_resource_reference(&res, NULL);
104
105   return VDP_STATUS_OK;
106}
107
108/**
109 * Destroy a VdpBitmapSurface.
110 */
111VdpStatus
112vlVdpBitmapSurfaceDestroy(VdpBitmapSurface surface)
113{
114   vlVdpBitmapSurface *vlsurface;
115
116   vlsurface = vlGetDataHTAB(surface);
117   if (!vlsurface)
118      return VDP_STATUS_INVALID_HANDLE;
119
120   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
121
122   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
123
124   vlRemoveDataHTAB(surface);
125   FREE(vlsurface);
126
127   return VDP_STATUS_OK;
128}
129
130/**
131 * Retrieve the parameters used to create a VdpBitmapSurface.
132 */
133VdpStatus
134vlVdpBitmapSurfaceGetParameters(VdpBitmapSurface surface,
135                                VdpRGBAFormat *rgba_format,
136                                uint32_t *width, uint32_t *height,
137                                VdpBool *frequently_accessed)
138{
139   if (!(rgba_format && width && height && frequently_accessed))
140      return VDP_STATUS_INVALID_POINTER;
141
142   return VDP_STATUS_NO_IMPLEMENTATION;
143}
144
145/**
146 * Copy image data from application memory in the surface's native format to
147 * a VdpBitmapSurface.
148 */
149VdpStatus
150vlVdpBitmapSurfacePutBitsNative(VdpBitmapSurface surface,
151                                void const *const *source_data,
152                                uint32_t const *source_pitches,
153                                VdpRect const *destination_rect)
154{
155   if (!(source_data && source_pitches && destination_rect))
156      return VDP_STATUS_INVALID_POINTER;
157
158   return VDP_STATUS_NO_IMPLEMENTATION;
159}
160