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 **************************************************************************/
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
34 #include "pipe/p_context.h"
36 #include "draw/draw_vertex.h"
38 #include "lp_tex_sample.h"
41 #include "lp_state_fs.h"
42 #include "lp_state_setup.h"
45 struct llvmpipe_vbuf_render
;
48 struct lp_fragment_shader
;
49 struct lp_vertex_shader
;
50 struct lp_blend_state
;
51 struct lp_setup_context
;
52 struct lp_setup_variant
;
53 struct lp_velems_state
;
55 struct llvmpipe_context
{
56 struct pipe_context pipe
; /**< base class */
58 /** Constant state objects */
59 const struct pipe_blend_state
*blend
;
60 const struct pipe_sampler_state
*sampler
[PIPE_MAX_SAMPLERS
];
61 struct pipe_sampler_state
*vertex_samplers
[PIPE_MAX_VERTEX_SAMPLERS
];
62 const struct pipe_depth_stencil_alpha_state
*depth_stencil
;
63 const struct pipe_rasterizer_state
*rasterizer
;
64 struct lp_fragment_shader
*fs
;
65 const struct lp_vertex_shader
*vs
;
66 const struct lp_geometry_shader
*gs
;
67 const struct lp_velems_state
*velems
;
68 const struct lp_so_state
*so
;
70 /** Other rendering state */
71 struct pipe_blend_color blend_color
;
72 struct pipe_stencil_ref stencil_ref
;
73 struct pipe_clip_state clip
;
74 struct pipe_resource
*constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
75 struct pipe_framebuffer_state framebuffer
;
76 struct pipe_poly_stipple poly_stipple
;
77 struct pipe_scissor_state scissor
;
78 struct pipe_sampler_view
*fragment_sampler_views
[PIPE_MAX_SAMPLERS
];
79 struct pipe_sampler_view
*vertex_sampler_views
[PIPE_MAX_VERTEX_SAMPLERS
];
80 struct pipe_viewport_state viewport
;
81 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
82 struct pipe_index_buffer index_buffer
;
84 struct llvmpipe_resource
*buffer
[PIPE_MAX_SO_BUFFERS
];
85 int offset
[PIPE_MAX_SO_BUFFERS
];
86 int so_count
[PIPE_MAX_SO_BUFFERS
];
89 struct pipe_resource
*mapped_vs_tex
[PIPE_MAX_VERTEX_SAMPLERS
];
91 unsigned num_samplers
;
92 unsigned num_fragment_sampler_views
;
93 unsigned num_vertex_samplers
;
94 unsigned num_vertex_sampler_views
;
95 unsigned num_vertex_buffers
;
97 unsigned dirty
; /**< Mask of LP_NEW_x flags */
99 int active_query_count
;
101 /** Mapped vertex buffers */
102 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
105 struct vertex_info vertex_info
;
107 /** Which vertex shader output slot contains color */
110 /** Which vertex shader output slot contains bcolor */
113 /** Which vertex shader output slot contains point size */
116 /**< minimum resolvable depth value, for polygon offset */
119 /** The tiling engine */
120 struct lp_setup_context
*setup
;
121 struct lp_setup_variant setup_variant
;
123 /** The primitive drawing context */
124 struct draw_context
*draw
;
126 unsigned tex_timestamp
;
129 /** List of all fragment shader variants */
130 struct lp_fs_variant_list_item fs_variants_list
;
131 unsigned nr_fs_variants
;
133 /** JIT code generation */
134 struct gallivm_state
*gallivm
;
135 LLVMTypeRef jit_context_ptr_type
;
137 struct lp_setup_variant_list_item setup_variants_list
;
138 unsigned nr_setup_variants
;
143 * Fragment and setup variant count, used to trigger garbage collection.
144 * This is global since all variants in all contexts will be free when
145 * we do garbage collection.
147 extern unsigned llvmpipe_variant_count
;
150 struct pipe_context
*
151 llvmpipe_create_context( struct pipe_screen
*screen
, void *priv
);
154 static INLINE
struct llvmpipe_context
*
155 llvmpipe_context( struct pipe_context
*pipe
)
157 return (struct llvmpipe_context
*)pipe
;
160 #endif /* LP_CONTEXT_H */