1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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 draw_vertex_shader
;
50 struct lp_fragment_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 struct draw_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 */
73 struct pipe_blend_color blend_color
;
74 struct pipe_stencil_ref stencil_ref
;
75 struct pipe_clip_state clip
;
76 struct pipe_constant_buffer constants
[PIPE_SHADER_TYPES
][LP_MAX_TGSI_CONST_BUFFERS
];
77 struct pipe_framebuffer_state framebuffer
;
78 struct pipe_poly_stipple poly_stipple
;
79 struct pipe_scissor_state scissors
[PIPE_MAX_VIEWPORTS
];
80 struct pipe_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
82 struct pipe_viewport_state viewports
[PIPE_MAX_VIEWPORTS
];
83 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
85 unsigned num_samplers
[PIPE_SHADER_TYPES
];
86 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
88 unsigned num_vertex_buffers
;
90 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
92 struct pipe_query_data_so_statistics so_stats
;
94 struct pipe_query_data_pipeline_statistics pipeline_statistics
;
95 unsigned active_statistics_queries
;
97 unsigned active_occlusion_queries
;
99 unsigned dirty
; /**< Mask of LP_NEW_x flags */
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 */
108 int8_t color_slot
[2];
110 /** Which vertex shader output slot contains bcolor */
111 int8_t bcolor_slot
[2];
113 /** Which vertex shader output slot contains point size */
116 /** Which vertex shader output slot contains viewport index */
117 int8_t viewport_index_slot
;
119 /** Which geometry shader output slot contains layer */
122 /** A fake frontface output for unfilled primitives */
125 /** Depth format and bias settings. */
126 boolean floating_point_depth
;
127 double mrd
; /**< minimum resolvable depth value, for polygon offset */
129 /** The tiling engine */
130 struct lp_setup_context
*setup
;
131 struct lp_setup_variant setup_variant
;
133 /** The primitive drawing context */
134 struct draw_context
*draw
;
136 struct blitter_context
*blitter
;
138 unsigned tex_timestamp
;
141 /** List of all fragment shader variants */
142 struct lp_fs_variant_list_item fs_variants_list
;
143 unsigned nr_fs_variants
;
144 unsigned nr_fs_instrs
;
146 struct lp_setup_variant_list_item setup_variants_list
;
147 unsigned nr_setup_variants
;
149 /** Conditional query object and mode */
150 struct pipe_query
*render_cond_query
;
151 enum pipe_render_cond_flag render_cond_mode
;
152 boolean render_cond_cond
;
154 /** The LLVMContext to use for LLVM related work */
155 LLVMContextRef context
;
159 struct pipe_context
*
160 llvmpipe_create_context(struct pipe_screen
*screen
, void *priv
,
163 struct pipe_resource
*
164 llvmpipe_user_buffer_create(struct pipe_screen
*screen
,
167 unsigned bind_flags
);
170 static inline struct llvmpipe_context
*
171 llvmpipe_context( struct pipe_context
*pipe
)
173 return (struct llvmpipe_context
*)pipe
;
176 #endif /* LP_CONTEXT_H */