lp_context.h revision 848b8605 
1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
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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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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26 **************************************************************************/
27
28/* Authors:  Keith Whitwell <keithw@vmware.com>
29 */
30
31#ifndef LP_CONTEXT_H
32#define LP_CONTEXT_H
33
34#include "pipe/p_context.h"
35
36#include "draw/draw_vertex.h"
37#include "util/u_blitter.h"
38
39#include "lp_tex_sample.h"
40#include "lp_jit.h"
41#include "lp_setup.h"
42#include "lp_state_fs.h"
43#include "lp_state_setup.h"
44
45
46struct llvmpipe_vbuf_render;
47struct draw_context;
48struct draw_stage;
49struct draw_vertex_shader;
50struct lp_fragment_shader;
51struct lp_blend_state;
52struct lp_setup_context;
53struct lp_setup_variant;
54struct lp_velems_state;
55
56struct llvmpipe_context {
57   struct pipe_context pipe;  /**< base class */
58
59   /** Constant state objects */
60   const struct pipe_blend_state *blend;
61   struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
62
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;
70
71   /** Other rendering state */
72   unsigned sample_mask;
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];
81
82   struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
83   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
84   struct pipe_index_buffer index_buffer;
85   struct pipe_resource *mapped_vs_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS];
86   struct pipe_resource *mapped_gs_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS];
87
88   unsigned num_samplers[PIPE_SHADER_TYPES];
89   unsigned num_sampler_views[PIPE_SHADER_TYPES];
90
91   unsigned num_vertex_buffers;
92
93   struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
94   int num_so_targets;
95   struct pipe_query_data_so_statistics so_stats;
96
97   struct pipe_query_data_pipeline_statistics pipeline_statistics;
98   unsigned active_statistics_queries;
99
100   unsigned active_occlusion_queries;
101
102   unsigned dirty; /**< Mask of LP_NEW_x flags */
103
104   /** Mapped vertex buffers */
105   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
106
107   /** Vertex format */
108   struct vertex_info vertex_info;
109
110   /** Which vertex shader output slot contains color */
111   int color_slot[2];
112
113   /** Which vertex shader output slot contains bcolor */
114   int bcolor_slot[2];
115
116   /** Which vertex shader output slot contains point size */
117   int psize_slot;
118
119   /** Which vertex shader output slot contains viewport index */
120   int viewport_index_slot;
121
122   /** Which geometry shader output slot contains layer */
123   int layer_slot;
124
125   /** A fake frontface output for unfilled primitives */
126   int face_slot;
127
128   /** Depth format and bias settings. */
129   boolean floating_point_depth;
130   double mrd;   /**< minimum resolvable depth value, for polygon offset */
131
132   /** The tiling engine */
133   struct lp_setup_context *setup;
134   struct lp_setup_variant setup_variant;
135
136   /** The primitive drawing context */
137   struct draw_context *draw;
138
139   struct blitter_context *blitter;
140
141   unsigned tex_timestamp;
142   boolean no_rast;
143
144   /** List of all fragment shader variants */
145   struct lp_fs_variant_list_item fs_variants_list;
146   unsigned nr_fs_variants;
147   unsigned nr_fs_instrs;
148
149   struct lp_setup_variant_list_item setup_variants_list;
150   unsigned nr_setup_variants;
151
152   /** Conditional query object and mode */
153   struct pipe_query *render_cond_query;
154   uint render_cond_mode;
155   boolean render_cond_cond;
156};
157
158
159struct pipe_context *
160llvmpipe_create_context( struct pipe_screen *screen, void *priv );
161
162struct pipe_resource *
163llvmpipe_user_buffer_create(struct pipe_screen *screen,
164                            void *ptr,
165                            unsigned bytes,
166                            unsigned bind_flags);
167
168
169static INLINE struct llvmpipe_context *
170llvmpipe_context( struct pipe_context *pipe )
171{
172   return (struct llvmpipe_context *)pipe;
173}
174
175#endif /* LP_CONTEXT_H */
176
177