1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 #include "pipe/p_compiler.h"
39 LP_INTERP_PERSPECTIVE
,
46 * Describes how to compute the interpolation coefficients (a0, dadx, dady)
47 * from the vertices passed into our triangle/line/point functions by the
50 * Vertices are treated as an array of float[4] values, indexed by
53 struct lp_shader_input
{
54 enum lp_interp interp
; /* how to interpolate values */
55 unsigned src_index
; /* where to find values in incoming vertices */
56 unsigned usage_mask
; /* bitmask of TGSI_WRITEMASK_x flags */
62 struct pipe_blend_color
;
64 struct pipe_framebuffer_state
;
65 struct lp_fragment_shader_variant
;
66 struct lp_jit_context
;
67 struct llvmpipe_query
;
70 struct lp_setup_context
*
71 lp_setup_create( struct pipe_context
*pipe
,
72 struct draw_context
*draw
);
75 lp_setup_clear(struct lp_setup_context
*setup
,
76 const float *clear_color
,
78 unsigned clear_stencil
,
81 struct pipe_fence_handle
*
82 lp_setup_fence( struct lp_setup_context
*setup
);
86 lp_setup_flush( struct lp_setup_context
*setup
,
91 lp_setup_bind_framebuffer( struct lp_setup_context
*setup
,
92 const struct pipe_framebuffer_state
*fb
);
95 lp_setup_set_triangle_state( struct lp_setup_context
*setup
,
99 boolean gl_rasterization_rules
);
102 lp_setup_set_fs_inputs( struct lp_setup_context
*setup
,
103 const struct lp_shader_input
*interp
,
107 lp_setup_set_fs_variant( struct lp_setup_context
*setup
,
108 struct lp_fragment_shader_variant
*variant
);
111 lp_setup_set_fs_constants(struct lp_setup_context
*setup
,
112 struct pipe_resource
*buffer
);
116 lp_setup_set_alpha_ref_value( struct lp_setup_context
*setup
,
117 float alpha_ref_value
);
120 lp_setup_set_stencil_ref_values( struct lp_setup_context
*setup
,
121 const ubyte refs
[2] );
124 lp_setup_set_blend_color( struct lp_setup_context
*setup
,
125 const struct pipe_blend_color
*blend_color
);
128 lp_setup_set_scissor( struct lp_setup_context
*setup
,
129 const struct pipe_scissor_state
*scissor
);
132 lp_setup_set_fragment_sampler_views(struct lp_setup_context
*setup
,
134 struct pipe_sampler_view
**views
);
137 lp_setup_is_resource_referenced( const struct lp_setup_context
*setup
,
138 const struct pipe_resource
*texture
);
141 lp_setup_set_flatshade_first( struct lp_setup_context
*setup
,
142 boolean flatshade_first
);
145 lp_setup_set_vertex_info( struct lp_setup_context
*setup
,
146 struct vertex_info
*info
);
149 lp_setup_begin_query(struct lp_setup_context
*setup
,
150 struct llvmpipe_query
*pq
);
153 lp_setup_end_query(struct lp_setup_context
*setup
,
154 struct llvmpipe_query
*pq
);