1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #ifndef SVGA_SURFACE_H
27 #define SVGA_SURFACE_H
28
29
30 #include "pipe/p_compiler.h"
31 #include "pipe/p_state.h"
32 #include "util/u_inlines.h"
33 #include "svga_screen_cache.h"
34
35 struct pipe_context;
36 struct pipe_screen;
37 struct svga_context;
38 struct svga_texture;
39 struct svga_winsys_surface;
40 enum SVGA3dSurfaceFormat;
41
42
43 struct svga_surface
44 {
45 struct pipe_surface base;
46
47 struct svga_host_surface_cache_key key;
48
49 /*
50 * Note that the handle may point at a secondary / backing resource
51 * created by svga_texture_view_surface() which is something other
52 * than svga_texture(base->texture)->handle.
53 */
54 struct svga_winsys_surface *handle;
55
56 unsigned real_layer;
57 unsigned real_level;
58 unsigned real_zslice;
59
60 boolean dirty;
61
62 /* VGPU10 */
63 SVGA3dRenderTargetViewId view_id;
64
65 /*
66 * As with 'handle' above, this may point to a secondary / backing resource.
67 * We can't have one resource bound as both a render target and a shader
68 * resource at the same time. But we sometimes want to do that, such as
69 * for mipmap generation where we sample from one level and render into
70 * another.
71 * In this situation, the backed surface is the render target while the
72 * original surface is the shader resource.
73 */
74 struct svga_surface *backed;
75 };
76
77
78 void
79 svga_mark_surfaces_dirty(struct svga_context *svga);
80
81 extern void
82 svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf);
83
84 void
85 svga_propagate_rendertargets(struct svga_context *svga);
86
87 extern boolean
88 svga_surface_needs_propagation(const struct pipe_surface *surf);
89
90 struct svga_winsys_surface *
91 svga_texture_view_surface(struct svga_context *svga,
92 struct svga_texture *tex,
93 unsigned bind_flags,
94 SVGA3dSurfaceFlags flags,
95 SVGA3dSurfaceFormat format,
96 unsigned start_mip,
97 unsigned num_mip,
98 int layer_pick,
99 unsigned num_layers,
100 int zslice_pick,
101 struct svga_host_surface_cache_key *key); /* OUT */
102
103
104 void
105 svga_texture_copy_handle(struct svga_context *svga,
106 struct svga_winsys_surface *src_handle,
107 unsigned src_x, unsigned src_y, unsigned src_z,
108 unsigned src_level, unsigned src_face,
109 struct svga_winsys_surface *dst_handle,
110 unsigned dst_x, unsigned dst_y, unsigned dst_z,
111 unsigned dst_level, unsigned dst_face,
112 unsigned width, unsigned height, unsigned depth);
113
114
115 static inline struct svga_surface *
svga_surface(struct pipe_surface * surface)116 svga_surface(struct pipe_surface *surface)
117 {
118 return (struct svga_surface *)surface;
119 }
120
121
122 static inline const struct svga_surface *
svga_surface_const(const struct pipe_surface * surface)123 svga_surface_const(const struct pipe_surface *surface)
124 {
125 return (const struct svga_surface *)surface;
126 }
127
128 struct pipe_surface *
129 svga_validate_surface_view(struct svga_context *svga, struct svga_surface *s);
130
131 static inline SVGA3dResourceType
svga_resource_type(enum pipe_texture_target target)132 svga_resource_type(enum pipe_texture_target target)
133 {
134 switch (target) {
135 case PIPE_TEXTURE_1D:
136 case PIPE_TEXTURE_1D_ARRAY:
137 return SVGA3D_RESOURCE_TEXTURE1D;
138 case PIPE_TEXTURE_RECT:
139 case PIPE_TEXTURE_2D:
140 case PIPE_TEXTURE_2D_ARRAY:
141 case PIPE_TEXTURE_CUBE:
142 /* drawing to cube map is treated as drawing to 2D array */
143 return SVGA3D_RESOURCE_TEXTURE2D;
144 case PIPE_TEXTURE_3D:
145 return SVGA3D_RESOURCE_TEXTURE3D;
146 default:
147 assert(!"Unexpected texture target");
148 return SVGA3D_RESOURCE_TEXTURE2D;
149 }
150 }
151
152 #endif
153