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_cs.h"
44#include "lp_state_setup.h"
45
46
47struct llvmpipe_vbuf_render;
48struct draw_context;
49struct draw_stage;
50struct draw_vertex_shader;
51struct lp_fragment_shader;
52struct lp_compute_shader;
53struct lp_blend_state;
54struct lp_setup_context;
55struct lp_setup_variant;
56struct lp_velems_state;
57
58struct llvmpipe_context {
59   struct pipe_context pipe;  /**< base class */
60
61   /** Constant state objects */
62   const struct pipe_blend_state *blend;
63   struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
64
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;
75
76   /** Other rendering state */
77   unsigned sample_mask;
78   unsigned min_samples;
79   struct pipe_blend_color blend_color;
80   struct pipe_stencil_ref stencil_ref;
81   struct pipe_clip_state clip;
82   struct pipe_constant_buffer constants[PIPE_SHADER_TYPES][LP_MAX_TGSI_CONST_BUFFERS];
83   struct pipe_framebuffer_state framebuffer;
84   struct pipe_poly_stipple poly_stipple;
85   struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS];
86   struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
87
88   struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
89   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
90
91   struct pipe_shader_buffer ssbos[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_BUFFERS];
92   struct pipe_image_view images[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_IMAGES];
93
94   unsigned num_samplers[PIPE_SHADER_TYPES];
95   unsigned num_sampler_views[PIPE_SHADER_TYPES];
96   unsigned num_images[PIPE_SHADER_TYPES];
97
98   unsigned num_vertex_buffers;
99
100   struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
101   int num_so_targets;
102   struct pipe_query_data_so_statistics so_stats[PIPE_MAX_VERTEX_STREAMS];
103
104   struct pipe_query_data_pipeline_statistics pipeline_statistics;
105   unsigned active_statistics_queries;
106
107   unsigned active_occlusion_queries;
108
109   unsigned active_primgen_queries;
110
111   bool queries_disabled;
112
113   unsigned dirty; /**< Mask of LP_NEW_x flags */
114   unsigned cs_dirty; /**< Mask of LP_CSNEW_x flags */
115   /** Mapped vertex buffers */
116   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
117
118   /** Vertex format */
119   struct vertex_info vertex_info;
120
121   uint8_t patch_vertices;
122
123   /** Which vertex shader output slot contains color */
124   int8_t color_slot[2];
125
126   /** Which vertex shader output slot contains bcolor */
127   int8_t bcolor_slot[2];
128
129   /** Which vertex shader output slot contains point size */
130   int8_t psize_slot;
131
132   /** Which vertex shader output slot contains viewport index */
133   int8_t viewport_index_slot;
134
135   /** Which geometry shader output slot contains layer */
136   int8_t layer_slot;
137
138   /** A fake frontface output for unfilled primitives */
139   int8_t face_slot;
140
141   /** Depth format and bias settings. */
142   boolean floating_point_depth;
143   double mrd;   /**< minimum resolvable depth value, for polygon offset */
144
145   /** The tiling engine */
146   struct lp_setup_context *setup;
147   struct lp_setup_variant setup_variant;
148
149   /** The primitive drawing context */
150   struct draw_context *draw;
151
152   struct blitter_context *blitter;
153
154   unsigned tex_timestamp;
155
156   /** List of all fragment shader variants */
157   struct lp_fs_variant_list_item fs_variants_list;
158   unsigned nr_fs_variants;
159   unsigned nr_fs_instrs;
160
161   boolean permit_linear_rasterizer;
162   boolean single_vp;
163
164   struct lp_setup_variant_list_item setup_variants_list;
165   unsigned nr_setup_variants;
166
167   /** List of all compute shader variants */
168   struct lp_cs_variant_list_item cs_variants_list;
169   unsigned nr_cs_variants;
170   unsigned nr_cs_instrs;
171   struct lp_cs_context *csctx;
172
173   /** Conditional query object and mode */
174   struct pipe_query *render_cond_query;
175   enum pipe_render_cond_flag render_cond_mode;
176   boolean render_cond_cond;
177
178   /** VK render cond */
179   struct llvmpipe_resource *render_cond_buffer;
180   unsigned render_cond_offset;
181
182   /** The LLVMContext to use for LLVM related work */
183   LLVMContextRef context;
184
185   int max_global_buffers;
186   struct pipe_resource **global_buffers;
187
188};
189
190
191struct pipe_context *
192llvmpipe_create_context(struct pipe_screen *screen, void *priv,
193                        unsigned flags);
194
195struct pipe_resource *
196llvmpipe_user_buffer_create(struct pipe_screen *screen,
197                            void *ptr,
198                            unsigned bytes,
199                            unsigned bind_flags);
200
201
202static inline struct llvmpipe_context *
203llvmpipe_context( struct pipe_context *pipe )
204{
205   return (struct llvmpipe_context *)pipe;
206}
207
208#endif /* LP_CONTEXT_H */
209
210