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_cs.h"
44 #include "lp_state_setup.h"
47 struct llvmpipe_vbuf_render
;
50 struct draw_vertex_shader
;
51 struct lp_fragment_shader
;
52 struct lp_compute_shader
;
53 struct lp_blend_state
;
54 struct lp_setup_context
;
55 struct lp_setup_variant
;
56 struct lp_velems_state
;
58 struct llvmpipe_context
{
59 struct pipe_context pipe
; /**< base class */
61 /** Constant state objects */
62 const struct pipe_blend_state
*blend
;
63 struct pipe_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
65 const struct pipe_depth_stencil_alpha_state
*depth_stencil
;
66 const struct pipe_rasterizer_state
*rasterizer
;
67 struct lp_fragment_shader
*fs
;
68 struct draw_vertex_shader
*vs
;
69 const struct lp_geometry_shader
*gs
;
70 const struct lp_tess_ctrl_shader
*tcs
;
71 const struct lp_tess_eval_shader
*tes
;
72 struct lp_compute_shader
*cs
;
73 const struct lp_velems_state
*velems
;
74 const struct lp_so_state
*so
;
76 /** Other rendering state */
78 struct pipe_blend_color blend_color
;
79 struct pipe_stencil_ref stencil_ref
;
80 struct pipe_clip_state clip
;
81 struct pipe_constant_buffer constants
[PIPE_SHADER_TYPES
][LP_MAX_TGSI_CONST_BUFFERS
];
82 struct pipe_framebuffer_state framebuffer
;
83 struct pipe_poly_stipple poly_stipple
;
84 struct pipe_scissor_state scissors
[PIPE_MAX_VIEWPORTS
];
85 struct pipe_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
87 struct pipe_viewport_state viewports
[PIPE_MAX_VIEWPORTS
];
88 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
90 struct pipe_shader_buffer ssbos
[PIPE_SHADER_TYPES
][LP_MAX_TGSI_SHADER_BUFFERS
];
91 struct pipe_image_view images
[PIPE_SHADER_TYPES
][LP_MAX_TGSI_SHADER_IMAGES
];
93 unsigned num_samplers
[PIPE_SHADER_TYPES
];
94 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
95 unsigned num_images
[PIPE_SHADER_TYPES
];
97 unsigned num_vertex_buffers
;
99 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
101 struct pipe_query_data_so_statistics so_stats
[PIPE_MAX_VERTEX_STREAMS
];
103 struct pipe_query_data_pipeline_statistics pipeline_statistics
;
104 unsigned active_statistics_queries
;
106 unsigned active_occlusion_queries
;
108 unsigned active_primgen_queries
;
110 bool queries_disabled
;
112 unsigned dirty
; /**< Mask of LP_NEW_x flags */
113 unsigned cs_dirty
; /**< Mask of LP_CSNEW_x flags */
114 /** Mapped vertex buffers */
115 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
118 struct vertex_info vertex_info
;
120 /** Which vertex shader output slot contains color */
121 int8_t color_slot
[2];
123 /** Which vertex shader output slot contains bcolor */
124 int8_t bcolor_slot
[2];
126 /** Which vertex shader output slot contains point size */
129 /** Which vertex shader output slot contains viewport index */
130 int8_t viewport_index_slot
;
132 /** Which geometry shader output slot contains layer */
135 /** A fake frontface output for unfilled primitives */
138 /** Depth format and bias settings. */
139 boolean floating_point_depth
;
140 double mrd
; /**< minimum resolvable depth value, for polygon offset */
142 /** The tiling engine */
143 struct lp_setup_context
*setup
;
144 struct lp_setup_variant setup_variant
;
146 /** The primitive drawing context */
147 struct draw_context
*draw
;
149 struct blitter_context
*blitter
;
151 unsigned tex_timestamp
;
153 /** List of all fragment shader variants */
154 struct lp_fs_variant_list_item fs_variants_list
;
155 unsigned nr_fs_variants
;
156 unsigned nr_fs_instrs
;
158 struct lp_setup_variant_list_item setup_variants_list
;
159 unsigned nr_setup_variants
;
161 /** List of all compute shader variants */
162 struct lp_cs_variant_list_item cs_variants_list
;
163 unsigned nr_cs_variants
;
164 unsigned nr_cs_instrs
;
165 struct lp_cs_context
*csctx
;
167 /** Conditional query object and mode */
168 struct pipe_query
*render_cond_query
;
169 enum pipe_render_cond_flag render_cond_mode
;
170 boolean render_cond_cond
;
172 /** The LLVMContext to use for LLVM related work */
173 LLVMContextRef context
;
175 int max_global_buffers
;
176 struct pipe_resource
**global_buffers
;
181 struct pipe_context
*
182 llvmpipe_create_context(struct pipe_screen
*screen
, void *priv
,
185 struct pipe_resource
*
186 llvmpipe_user_buffer_create(struct pipe_screen
*screen
,
189 unsigned bind_flags
);
192 static inline struct llvmpipe_context
*
193 llvmpipe_context( struct pipe_context
*pipe
)
195 return (struct llvmpipe_context
*)pipe
;
198 #endif /* LP_CONTEXT_H */