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
47 struct llvmpipe_vbuf_render;
48 struct draw_context;
49 struct draw_stage;
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;
57
58 struct llvmpipe_context {
59 struct pipe_context pipe; /**< base class */
60
61 struct list_head list;
62 /** Constant state objects */
63 const struct pipe_blend_state *blend;
64 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
65
66 const struct pipe_depth_stencil_alpha_state *depth_stencil;
67 const struct pipe_rasterizer_state *rasterizer;
68 struct lp_fragment_shader *fs;
69 struct draw_vertex_shader *vs;
70 const struct lp_geometry_shader *gs;
71 const struct lp_tess_ctrl_shader *tcs;
72 const struct lp_tess_eval_shader *tes;
73 struct lp_compute_shader *cs;
74 const struct lp_velems_state *velems;
75 const struct lp_so_state *so;
76
77 /** Other rendering state */
78 unsigned sample_mask;
79 unsigned min_samples;
80 struct pipe_blend_color blend_color;
81 struct pipe_stencil_ref stencil_ref;
82 struct pipe_clip_state clip;
83 struct pipe_constant_buffer constants[PIPE_SHADER_TYPES][LP_MAX_TGSI_CONST_BUFFERS];
84 struct pipe_framebuffer_state framebuffer;
85 struct pipe_poly_stipple poly_stipple;
86 struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS];
87 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
88
89 struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
90 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
91
92 struct pipe_shader_buffer ssbos[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_BUFFERS];
93 struct pipe_image_view images[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_IMAGES];
94 uint32_t fs_ssbo_write_mask;
95 unsigned num_samplers[PIPE_SHADER_TYPES];
96 unsigned num_sampler_views[PIPE_SHADER_TYPES];
97 unsigned num_images[PIPE_SHADER_TYPES];
98
99 unsigned num_vertex_buffers;
100
101 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
102 int num_so_targets;
103 struct pipe_query_data_so_statistics so_stats[PIPE_MAX_VERTEX_STREAMS];
104
105 struct pipe_query_data_pipeline_statistics pipeline_statistics;
106 unsigned active_statistics_queries;
107
108 unsigned active_occlusion_queries;
109
110 unsigned active_primgen_queries;
111
112 bool queries_disabled;
113
114 unsigned dirty; /**< Mask of LP_NEW_x flags */
115 unsigned cs_dirty; /**< Mask of LP_CSNEW_x flags */
116 /** Mapped vertex buffers */
117 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
118
119 /** Vertex format */
120 struct vertex_info vertex_info;
121
122 uint8_t patch_vertices;
123
124 /** Which vertex shader output slot contains color */
125 int8_t color_slot[2];
126
127 /** Which vertex shader output slot contains bcolor */
128 int8_t bcolor_slot[2];
129
130 /** Which vertex shader output slot contains point size */
131 int8_t psize_slot;
132
133 /** Which vertex shader output slot contains viewport index */
134 int8_t viewport_index_slot;
135
136 /** Which geometry shader output slot contains layer */
137 int8_t layer_slot;
138
139 /** A fake frontface output for unfilled primitives */
140 int8_t face_slot;
141
142 /** Depth format and bias settings. */
143 boolean floating_point_depth;
144 double mrd; /**< minimum resolvable depth value, for polygon offset */
145
146 /** The tiling engine */
147 struct lp_setup_context *setup;
148 struct lp_setup_variant setup_variant;
149
150 /** The primitive drawing context */
151 struct draw_context *draw;
152
153 struct blitter_context *blitter;
154
155 unsigned tex_timestamp;
156
157 /** List of all fragment shader variants */
158 struct lp_fs_variant_list_item fs_variants_list;
159 unsigned nr_fs_variants;
160 unsigned nr_fs_instrs;
161
162 boolean permit_linear_rasterizer;
163 boolean single_vp;
164
165 struct lp_setup_variant_list_item setup_variants_list;
166 unsigned nr_setup_variants;
167
168 /** List of all compute shader variants */
169 struct lp_cs_variant_list_item cs_variants_list;
170 unsigned nr_cs_variants;
171 unsigned nr_cs_instrs;
172 struct lp_cs_context *csctx;
173
174 /** Conditional query object and mode */
175 struct pipe_query *render_cond_query;
176 enum pipe_render_cond_flag render_cond_mode;
177 boolean render_cond_cond;
178
179 /** VK render cond */
180 struct llvmpipe_resource *render_cond_buffer;
181 unsigned render_cond_offset;
182
183 /** The LLVMContext to use for LLVM related work */
184 LLVMContextRef context;
185
186 int max_global_buffers;
187 struct pipe_resource **global_buffers;
188
189 };
190
191
192 struct pipe_context *
193 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
194 unsigned flags);
195
196 struct pipe_resource *
197 llvmpipe_user_buffer_create(struct pipe_screen *screen,
198 void *ptr,
199 unsigned bytes,
200 unsigned bind_flags);
201
202
203 static inline struct llvmpipe_context *
llvmpipe_context(struct pipe_context * pipe)204 llvmpipe_context( struct pipe_context *pipe )
205 {
206 return (struct llvmpipe_context *)pipe;
207 }
208
209 #endif /* LP_CONTEXT_H */
210
211