softpipe: don't abuse the draw vertex_info struct for something different
[mesa.git] / src / gallium / drivers / softpipe / sp_setup.h
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3 * Copyright 2007 VMware, Inc.
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27 #ifndef SP_SETUP_H
28 #define SP_SETUP_H
29
30 struct setup_context;
31 struct softpipe_context;
32
33 struct sp_setup_info {
34 unsigned valid;
35 struct {
36 unsigned interp:8; /**< INTERP_X */
37 unsigned src_index:8;
38 } attrib[PIPE_MAX_SHADER_OUTPUTS];
39 };
40
41 void
42 sp_setup_tri(struct setup_context *setup,
43 const float (*v0)[4],
44 const float (*v1)[4],
45 const float (*v2)[4]);
46
47 void
48 sp_setup_line(struct setup_context *setup,
49 const float (*v0)[4],
50 const float (*v1)[4]);
51
52 void
53 sp_setup_point( struct setup_context *setup,
54 const float (*v0)[4] );
55
56 static inline unsigned
57 sp_clamp_viewport_idx(int idx)
58 {
59 return (PIPE_MAX_VIEWPORTS > idx && idx >= 0) ? idx : 0;
60 }
61
62 struct setup_context *sp_setup_create_context( struct softpipe_context *softpipe );
63 void sp_setup_prepare( struct setup_context *setup );
64 void sp_setup_destroy_context( struct setup_context *setup );
65
66 #endif