llvmpipe: Drop blend derived state.
[mesa.git] / src / gallium / drivers / llvmpipe / lp_state_blend.c
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3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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28
29 /**
30 * @author Jose Fonseca <jfonseca@vmware.com>
31 * @author Keith Whitwell <keith@tungstengraphics.com>
32 */
33
34 #include "util/u_memory.h"
35 #include "util/u_math.h"
36 #include "util/u_debug_dump.h"
37 #include "lp_screen.h"
38 #include "lp_context.h"
39 #include "lp_state.h"
40
41
42 void *
43 llvmpipe_create_blend_state(struct pipe_context *pipe,
44 const struct pipe_blend_state *blend)
45 {
46 return mem_dup(blend, sizeof(*blend));
47 }
48
49 void llvmpipe_bind_blend_state( struct pipe_context *pipe,
50 void *blend )
51 {
52 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
53
54 llvmpipe->blend = blend;
55
56 llvmpipe->dirty |= LP_NEW_BLEND;
57 }
58
59 void llvmpipe_delete_blend_state(struct pipe_context *pipe,
60 void *blend)
61 {
62 FREE( blend );
63 }
64
65
66 void llvmpipe_set_blend_color( struct pipe_context *pipe,
67 const struct pipe_blend_color *blend_color )
68 {
69 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
70 unsigned i, j;
71
72 for (i = 0; i < 4; ++i)
73 for (j = 0; j < 16; ++j)
74 llvmpipe->blend_color[i][j] = float_to_ubyte(blend_color->color[i]);
75
76 llvmpipe->dirty |= LP_NEW_BLEND;
77 }
78
79
80 /** XXX move someday? Or consolidate all these simple state setters
81 * into one file.
82 */
83
84
85 void *
86 llvmpipe_create_depth_stencil_state(struct pipe_context *pipe,
87 const struct pipe_depth_stencil_alpha_state *depth_stencil)
88 {
89 return mem_dup(depth_stencil, sizeof(*depth_stencil));
90 }
91
92 void
93 llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe,
94 void *depth_stencil)
95 {
96 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
97
98 llvmpipe->depth_stencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil;
99
100 llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA;
101 }
102
103 void
104 llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
105 {
106 FREE( depth );
107 }