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 <[email protected]>
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_texture_handle.h"
42 #include "lp_setup.h"
43 #include "lp_state_fs.h"
44 #include "lp_state_cs.h"
45 #include "lp_state_setup.h"
46
47
48 struct llvmpipe_vbuf_render;
49 struct draw_context;
50 struct draw_stage;
51 struct draw_vertex_shader;
52 struct lp_fragment_shader;
53 struct lp_compute_shader;
54 struct lp_blend_state;
55 struct lp_setup_context;
56 struct lp_setup_variant;
57 struct lp_velems_state;
58
59 struct llvmpipe_context {
60 struct pipe_context pipe; /**< base class */
61
62 struct list_head list;
63 /** Constant state objects */
64 const struct pipe_blend_state *blend;
65 struct pipe_sampler_state *samplers[PIPE_SHADER_MESH_TYPES][PIPE_MAX_SAMPLERS];
66
67 const struct pipe_depth_stencil_alpha_state *depth_stencil;
68 const struct pipe_rasterizer_state *rasterizer;
69 struct lp_fragment_shader *fs;
70 struct draw_vertex_shader *vs;
71 const struct lp_geometry_shader *gs;
72 const struct lp_tess_ctrl_shader *tcs;
73 const struct lp_tess_eval_shader *tes;
74 struct lp_compute_shader *cs;
75 const struct lp_velems_state *velems;
76 const struct lp_so_state *so;
77
78 struct lp_compute_shader *tss;
79 struct lp_compute_shader *mhs;
80
81 struct lp_sampler_matrix sampler_matrix;
82
83 /** Other rendering state */
84 unsigned sample_mask;
85 unsigned min_samples;
86 struct pipe_blend_color blend_color;
87 struct pipe_stencil_ref stencil_ref;
88 struct pipe_clip_state clip;
89 struct pipe_constant_buffer constants[PIPE_SHADER_MESH_TYPES][LP_MAX_TGSI_CONST_BUFFERS];
90 struct pipe_framebuffer_state framebuffer;
91 struct pipe_poly_stipple poly_stipple;
92 struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS];
93 struct pipe_sampler_view *sampler_views[PIPE_SHADER_MESH_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
94
95 struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
96 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
97
98 struct pipe_shader_buffer ssbos[PIPE_SHADER_MESH_TYPES][LP_MAX_TGSI_SHADER_BUFFERS];
99 struct pipe_image_view images[PIPE_SHADER_MESH_TYPES][LP_MAX_TGSI_SHADER_IMAGES];
100 uint32_t fs_ssbo_write_mask;
101 unsigned num_samplers[PIPE_SHADER_MESH_TYPES];
102 unsigned num_sampler_views[PIPE_SHADER_MESH_TYPES];
103 unsigned num_images[PIPE_SHADER_MESH_TYPES];
104
105 unsigned num_vertex_buffers;
106
107 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
108 int num_so_targets;
109 struct pipe_query_data_so_statistics so_stats[PIPE_MAX_VERTEX_STREAMS];
110
111 struct pipe_query_data_pipeline_statistics pipeline_statistics;
112 unsigned active_statistics_queries;
113
114 unsigned active_occlusion_queries;
115
116 unsigned active_primgen_queries;
117
118 bool queries_disabled;
119
120 uint64_t dirty; /**< Mask of LP_NEW_x flags */
121 unsigned cs_dirty; /**< Mask of LP_CSNEW_x flags */
122 /** Mapped vertex buffers */
123 uint8_t *mapped_vbuffer[PIPE_MAX_ATTRIBS];
124
125 /** Vertex format */
126 struct vertex_info vertex_info;
127
128 uint8_t patch_vertices;
129
130 /** Which vertex shader output slot contains color */
131 int8_t color_slot[2];
132
133 /** Which vertex shader output slot contains bcolor */
134 int8_t bcolor_slot[2];
135
136 /** Which vertex shader output slot contains point size */
137 int8_t psize_slot;
138
139 /** Which vertex shader output slot contains viewport index */
140 int8_t viewport_index_slot;
141
142 /** Which geometry shader output slot contains layer */
143 int8_t layer_slot;
144
145 /** A fake frontface output for unfilled primitives */
146 int8_t face_slot;
147
148 /** Depth format and bias settings. */
149 bool floating_point_depth;
150 double mrd; /**< minimum resolvable depth value, for polygon offset */
151
152 /** The tiling engine */
153 struct lp_setup_context *setup;
154 struct lp_setup_variant setup_variant;
155
156 /** The primitive drawing context */
157 struct draw_context *draw;
158
159 struct blitter_context *blitter;
160
161 unsigned tex_timestamp;
162
163 /** List of all fragment shader variants */
164 struct lp_fs_variant_list_item fs_variants_list;
165 unsigned nr_fs_variants;
166 unsigned nr_fs_instrs;
167
168 bool permit_linear_rasterizer;
169 bool single_vp;
170
171 struct lp_setup_variant_list_item setup_variants_list;
172 unsigned nr_setup_variants;
173
174 /** List of all compute shader variants */
175 struct lp_cs_variant_list_item cs_variants_list;
176 unsigned nr_cs_variants;
177 unsigned nr_cs_instrs;
178 struct lp_cs_context *csctx;
179
180 struct lp_cs_context *task_ctx;
181 struct lp_cs_context *mesh_ctx;
182
183 /** Conditional query object and mode */
184 struct pipe_query *render_cond_query;
185 enum pipe_render_cond_flag render_cond_mode;
186 bool render_cond_cond;
187
188 /** VK render cond */
189 struct llvmpipe_resource *render_cond_buffer;
190 unsigned render_cond_offset;
191
192 /** The LLVMContext to use for LLVM related work */
193 lp_context_ref context;
194
195 int max_global_buffers;
196 struct pipe_resource **global_buffers;
197
198 };
199
200
201 struct pipe_context *
202 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
203 unsigned flags);
204
205
206 struct pipe_resource *
207 llvmpipe_user_buffer_create(struct pipe_screen *screen,
208 void *ptr,
209 unsigned bytes,
210 unsigned bind_flags);
211
212
213 static inline struct llvmpipe_context *
llvmpipe_context(struct pipe_context * pipe)214 llvmpipe_context(struct pipe_context *pipe)
215 {
216 return (struct llvmpipe_context *)pipe;
217 }
218
219 #endif /* LP_CONTEXT_H */
220
221