gallium: support for array textures and related changes
[mesa.git] / src / gallium / state_trackers / python / st_device.h
1 /**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
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15 * next paragraph) shall be included in all copies or substantial portions
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27
28
29 #ifndef ST_DEVICE_H_
30 #define ST_DEVICE_H_
31
32
33 #include "pipe/p_state.h"
34
35 struct cso_context;
36 struct pipe_screen;
37 struct pipe_context;
38 struct st_winsys;
39
40
41 struct st_surface
42 {
43 struct pipe_resource *texture;
44 unsigned level;
45 unsigned layer;
46 };
47
48
49 struct st_context
50 {
51 struct st_device *st_dev;
52
53 struct pipe_context *pipe;
54
55 struct cso_context *cso;
56
57 void *vs;
58 void *fs;
59 void *gs;
60
61 struct pipe_resource *default_texture;
62 struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
63 struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
64
65 unsigned num_vertex_buffers;
66 struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
67
68 unsigned num_vertex_elements;
69 struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
70
71 struct pipe_framebuffer_state framebuffer;
72 };
73
74
75 struct st_device
76 {
77 /* FIXME: we also need to refcount for textures and surfaces... */
78 struct pipe_reference reference;
79
80 struct pipe_screen *screen;
81 };
82
83
84 static INLINE struct pipe_surface *
85 st_pipe_surface(struct pipe_context *pipe, struct st_surface *surface, unsigned usage)
86 {
87 struct pipe_resource *texture = surface->texture;
88 struct pipe_surface surf_tmpl;
89 memset(&surf_tmpl, 0, sizeof(surf_tmpl));
90 surf_tmpl.format = texture->format;
91 surf_tmpl.usage = usage;
92 surf_tmpl.u.tex.level = surface->level;
93 surf_tmpl.u.tex.first_layer = surface->layer;
94 surf_tmpl.u.tex.last_layer = surface->layer;
95 return pipe->create_surface(pipe, texture, &surf_tmpl);
96 }
97
98 struct st_context *
99 st_context_create(struct st_device *st_dev);
100
101 void
102 st_context_destroy(struct st_context *st_ctx);
103
104 struct st_device *
105 st_device_create(boolean hardware);
106
107 void
108 st_device_destroy(struct st_device *st_dev);
109
110
111 #endif /* ST_DEVICE_H_ */