1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
30 * @author Jose Fonseca <jfonseca@vmware.com>
31 * @author Keith Whitwell <keith@tungstengraphics.com>
34 #include "util/u_memory.h"
35 #include "util/u_math.h"
36 #include "util/u_debug_dump.h"
37 #include "draw/draw_context.h"
38 #include "lp_screen.h"
39 #include "lp_context.h"
44 llvmpipe_create_blend_state(struct pipe_context
*pipe
,
45 const struct pipe_blend_state
*blend
)
47 return mem_dup(blend
, sizeof(*blend
));
50 void llvmpipe_bind_blend_state( struct pipe_context
*pipe
,
53 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
55 if (llvmpipe
->blend
== blend
)
58 draw_flush(llvmpipe
->draw
);
60 llvmpipe
->blend
= blend
;
62 llvmpipe
->dirty
|= LP_NEW_BLEND
;
65 void llvmpipe_delete_blend_state(struct pipe_context
*pipe
,
72 void llvmpipe_set_blend_color( struct pipe_context
*pipe
,
73 const struct pipe_blend_color
*blend_color
)
75 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
78 if(memcmp(&llvmpipe
->blend_color
, blend_color
, sizeof *blend_color
) == 0)
81 draw_flush(llvmpipe
->draw
);
83 memcpy(&llvmpipe
->blend_color
, blend_color
, sizeof *blend_color
);
85 if(!llvmpipe
->jit_context
.blend_color
)
86 llvmpipe
->jit_context
.blend_color
= align_malloc(4 * 16, 16);
87 for (i
= 0; i
< 4; ++i
) {
88 uint8_t c
= float_to_ubyte(blend_color
->color
[i
]);
89 for (j
= 0; j
< 16; ++j
)
90 llvmpipe
->jit_context
.blend_color
[i
*16 + j
] = c
;
95 /** XXX move someday? Or consolidate all these simple state setters
101 llvmpipe_create_depth_stencil_state(struct pipe_context
*pipe
,
102 const struct pipe_depth_stencil_alpha_state
*depth_stencil
)
104 return mem_dup(depth_stencil
, sizeof(*depth_stencil
));
108 llvmpipe_bind_depth_stencil_state(struct pipe_context
*pipe
,
111 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
113 if (llvmpipe
->depth_stencil
== depth_stencil
)
116 draw_flush(llvmpipe
->draw
);
118 llvmpipe
->depth_stencil
= depth_stencil
;
120 if(llvmpipe
->depth_stencil
)
121 llvmpipe
->jit_context
.alpha_ref_value
= llvmpipe
->depth_stencil
->alpha
.ref_value
;
123 llvmpipe
->dirty
|= LP_NEW_DEPTH_STENCIL_ALPHA
;
127 llvmpipe_delete_depth_stencil_state(struct pipe_context
*pipe
, void *depth
)