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"
37 #include "util/u_blitter.h"
39 #include "lp_tex_sample.h"
42 #include "lp_state_fs.h"
43 #include "lp_state_setup.h"
46 struct llvmpipe_vbuf_render
;
49 struct lp_fragment_shader
;
50 struct lp_vertex_shader
;
51 struct lp_blend_state
;
52 struct lp_setup_context
;
53 struct lp_setup_variant
;
54 struct lp_velems_state
;
56 struct llvmpipe_context
{
57 struct pipe_context pipe
; /**< base class */
59 /** Constant state objects */
60 const struct pipe_blend_state
*blend
;
61 struct pipe_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
63 const struct pipe_depth_stencil_alpha_state
*depth_stencil
;
64 const struct pipe_rasterizer_state
*rasterizer
;
65 struct lp_fragment_shader
*fs
;
66 const struct lp_vertex_shader
*vs
;
67 const struct lp_geometry_shader
*gs
;
68 const struct lp_velems_state
*velems
;
69 const struct lp_so_state
*so
;
71 /** Other rendering state */
72 struct pipe_blend_color blend_color
;
73 struct pipe_stencil_ref stencil_ref
;
74 struct pipe_clip_state clip
;
75 struct pipe_constant_buffer constants
[PIPE_SHADER_TYPES
][LP_MAX_TGSI_CONST_BUFFERS
];
76 struct pipe_framebuffer_state framebuffer
;
77 struct pipe_poly_stipple poly_stipple
;
78 struct pipe_scissor_state scissor
;
79 struct pipe_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
81 struct pipe_viewport_state viewport
;
82 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
83 struct pipe_index_buffer index_buffer
;
84 struct pipe_resource
*mapped_vs_tex
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
86 unsigned num_samplers
[PIPE_SHADER_TYPES
];
87 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
89 unsigned num_vertex_buffers
;
91 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
93 struct pipe_query_data_so_statistics so_stats
;
94 unsigned num_primitives_generated
;
96 unsigned dirty
; /**< Mask of LP_NEW_x flags */
98 unsigned active_occlusion_query
;
100 /** Mapped vertex buffers */
101 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
104 struct vertex_info vertex_info
;
106 /** Which vertex shader output slot contains color */
109 /** Which vertex shader output slot contains bcolor */
112 /** Which vertex shader output slot contains point size */
115 /**< minimum resolvable depth value, for polygon offset */
118 /** The tiling engine */
119 struct lp_setup_context
*setup
;
120 struct lp_setup_variant setup_variant
;
122 /** The primitive drawing context */
123 struct draw_context
*draw
;
125 struct blitter_context
*blitter
;
127 unsigned tex_timestamp
;
130 /** List of all fragment shader variants */
131 struct lp_fs_variant_list_item fs_variants_list
;
132 unsigned nr_fs_variants
;
133 unsigned nr_fs_instrs
;
135 struct lp_setup_variant_list_item setup_variants_list
;
136 unsigned nr_setup_variants
;
138 /** Conditional query object and mode */
139 struct pipe_query
*render_cond_query
;
140 uint render_cond_mode
;
145 * Fragment and setup variant count, used to trigger garbage collection.
146 * This is global since all variants in all contexts will be free when
147 * we do garbage collection.
149 extern unsigned llvmpipe_variant_count
;
152 struct pipe_context
*
153 llvmpipe_create_context( struct pipe_screen
*screen
, void *priv
);
155 struct pipe_resource
*
156 llvmpipe_user_buffer_create(struct pipe_screen
*screen
,
159 unsigned bind_flags
);
162 static INLINE
struct llvmpipe_context
*
163 llvmpipe_context( struct pipe_context
*pipe
)
165 return (struct llvmpipe_context
*)pipe
;
168 #endif /* LP_CONTEXT_H */