1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 *
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
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.
25 *
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
86   unsigned num_samplers[PIPE_SHADER_TYPES];
87   unsigned num_sampler_views[PIPE_SHADER_TYPES];
88
89   unsigned num_vertex_buffers;
90
91   struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
92   int num_so_targets;
93   struct pipe_query_data_so_statistics so_stats;
94
95   struct pipe_query_data_pipeline_statistics pipeline_statistics;
96   unsigned active_statistics_queries;
97
98   unsigned active_occlusion_queries;
99
100   unsigned dirty; /**< Mask of LP_NEW_x flags */
101
102   /** Mapped vertex buffers */
103   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
104
105   /** Vertex format */
106   struct vertex_info vertex_info;
107
108   /** Which vertex shader output slot contains color */
109   int8_t color_slot[2];
110
111   /** Which vertex shader output slot contains bcolor */
112   int8_t bcolor_slot[2];
113
114   /** Which vertex shader output slot contains point size */
115   int8_t psize_slot;
116
117   /** Which vertex shader output slot contains viewport index */
118   int8_t viewport_index_slot;
119
120   /** Which geometry shader output slot contains layer */
121   int8_t layer_slot;
122
123   /** A fake frontface output for unfilled primitives */
124   int8_t face_slot;
125
126   /** Depth format and bias settings. */
127   boolean floating_point_depth;
128   double mrd;   /**< minimum resolvable depth value, for polygon offset */
129
130   /** The tiling engine */
131   struct lp_setup_context *setup;
132   struct lp_setup_variant setup_variant;
133
134   /** The primitive drawing context */
135   struct draw_context *draw;
136
137   struct blitter_context *blitter;
138
139   unsigned tex_timestamp;
140   boolean no_rast;
141
142   /** List of all fragment shader variants */
143   struct lp_fs_variant_list_item fs_variants_list;
144   unsigned nr_fs_variants;
145   unsigned nr_fs_instrs;
146
147   struct lp_setup_variant_list_item setup_variants_list;
148   unsigned nr_setup_variants;
149
150   /** Conditional query object and mode */
151   struct pipe_query *render_cond_query;
152   uint render_cond_mode;
153   boolean render_cond_cond;
154
155   /** The LLVMContext to use for LLVM related work */
156   LLVMContextRef context;
157};
158
159
160struct pipe_context *
161llvmpipe_create_context(struct pipe_screen *screen, void *priv,
162                        unsigned flags);
163
164struct pipe_resource *
165llvmpipe_user_buffer_create(struct pipe_screen *screen,
166                            void *ptr,
167                            unsigned bytes,
168                            unsigned bind_flags);
169
170
171static inline struct llvmpipe_context *
172llvmpipe_context( struct pipe_context *pipe )
173{
174   return (struct llvmpipe_context *)pipe;
175}
176
177#endif /* LP_CONTEXT_H */
178
179