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 /** 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 /** Which vertex shader output slot contains color */
122 int8_t color_slot[2];
123
124 /** Which vertex shader output slot contains bcolor */
125 int8_t bcolor_slot[2];
126
127 /** Which vertex shader output slot contains point size */
128 int8_t psize_slot;
129
130 /** Which vertex shader output slot contains viewport index */
131 int8_t viewport_index_slot;
132
133 /** Which geometry shader output slot contains layer */
134 int8_t layer_slot;
135
136 /** A fake frontface output for unfilled primitives */
137 int8_t face_slot;
138
139 /** Depth format and bias settings. */
140 boolean floating_point_depth;
141 double mrd; /**< minimum resolvable depth value, for polygon offset */
142
143 /** The tiling engine */
144 struct lp_setup_context *setup;
145 struct lp_setup_variant setup_variant;
146
147 /** The primitive drawing context */
148 struct draw_context *draw;
149
150 struct blitter_context *blitter;
151
152 unsigned tex_timestamp;
153
154 /** List of all fragment shader variants */
155 struct lp_fs_variant_list_item fs_variants_list;
156 unsigned nr_fs_variants;
157 unsigned nr_fs_instrs;
158
159 struct lp_setup_variant_list_item setup_variants_list;
160 unsigned nr_setup_variants;
161
162 /** List of all compute shader variants */
163 struct lp_cs_variant_list_item cs_variants_list;
164 unsigned nr_cs_variants;
165 unsigned nr_cs_instrs;
166 struct lp_cs_context *csctx;
167
168 /** Conditional query object and mode */
169 struct pipe_query *render_cond_query;
170 enum pipe_render_cond_flag render_cond_mode;
171 boolean render_cond_cond;
172
173 /** The LLVMContext to use for LLVM related work */
174 LLVMContextRef context;
175
176 int max_global_buffers;
177 struct pipe_resource **global_buffers;
178
179 };
180
181
182 struct pipe_context *
183 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
184 unsigned flags);
185
186 struct pipe_resource *
187 llvmpipe_user_buffer_create(struct pipe_screen *screen,
188 void *ptr,
189 unsigned bytes,
190 unsigned bind_flags);
191
192
193 static inline struct llvmpipe_context *
llvmpipe_context(struct pipe_context * pipe)194 llvmpipe_context( struct pipe_context *pipe )
195 {
196 return (struct llvmpipe_context *)pipe;
197 }
198
199 #endif /* LP_CONTEXT_H */
200
201