Merge remote branch 'origin/master' into lp-binning
[mesa.git] / src / gallium / drivers / softpipe / sp_context.h
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.com>
29 */
30
31 #ifndef SP_CONTEXT_H
32 #define SP_CONTEXT_H
33
34 #include "pipe/p_context.h"
35
36 #include "draw/draw_vertex.h"
37
38 #include "sp_quad_pipe.h"
39
40
41 struct softpipe_vbuf_render;
42 struct draw_context;
43 struct draw_stage;
44 struct softpipe_tile_cache;
45 struct softpipe_tex_tile_cache;
46 struct sp_fragment_shader;
47 struct sp_vertex_shader;
48
49
50 struct softpipe_context {
51 struct pipe_context pipe; /**< base class */
52
53 /** Constant state objects */
54 struct pipe_blend_state *blend;
55 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
56 struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
57 struct pipe_depth_stencil_alpha_state *depth_stencil;
58 struct pipe_rasterizer_state *rasterizer;
59 struct sp_fragment_shader *fs;
60 struct sp_vertex_shader *vs;
61 struct sp_geometry_shader *gs;
62
63 /** Other rendering state */
64 struct pipe_blend_color blend_color;
65 struct pipe_clip_state clip;
66 struct pipe_buffer *constants[PIPE_SHADER_TYPES];
67 struct pipe_framebuffer_state framebuffer;
68 struct pipe_poly_stipple poly_stipple;
69 struct pipe_scissor_state scissor;
70 struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
71 struct pipe_texture *vertex_textures[PIPE_MAX_VERTEX_SAMPLERS];
72 struct pipe_viewport_state viewport;
73 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
74 struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
75
76 unsigned num_samplers;
77 unsigned num_textures;
78 unsigned num_vertex_samplers;
79 unsigned num_vertex_textures;
80 unsigned num_vertex_elements;
81 unsigned num_vertex_buffers;
82
83 unsigned dirty; /**< Mask of SP_NEW_x flags */
84
85 /* Counter for occlusion queries. Note this supports overlapping
86 * queries.
87 */
88 uint64_t occlusion_count;
89 unsigned active_query_count;
90
91 /** Mapped vertex buffers */
92 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
93
94 /** Mapped constant buffers */
95 void *mapped_constants[PIPE_SHADER_TYPES];
96
97 /** Vertex format */
98 struct vertex_info vertex_info;
99 struct vertex_info vertex_info_vbuf;
100
101 /** Which vertex shader output slot contains point size */
102 int psize_slot;
103
104 /** The reduced version of the primitive supplied by the state tracker */
105 unsigned reduced_api_prim;
106
107 /**
108 * The reduced primitive after unfilled triangles, wide-line decomposition,
109 * etc, are taken into account. This is the primitive type that's actually
110 * rasterized.
111 */
112 unsigned reduced_prim;
113
114 /** Derived from scissor and surface bounds: */
115 struct pipe_scissor_state cliprect;
116
117 unsigned line_stipple_counter;
118
119 /** Conditional query object and mode */
120 struct pipe_query *render_cond_query;
121 uint render_cond_mode;
122
123 /** Software quad rendering pipeline */
124 struct {
125 struct quad_stage *shade;
126 struct quad_stage *depth_test;
127 struct quad_stage *blend;
128 struct quad_stage *first; /**< points to one of the above stages */
129 } quad;
130
131 /** TGSI exec things */
132 struct {
133 struct sp_sampler_varient *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
134 struct sp_sampler_varient *frag_samplers_list[PIPE_MAX_SAMPLERS];
135 } tgsi;
136
137 /** The primitive drawing context */
138 struct draw_context *draw;
139
140 /** Draw module backend */
141 struct vbuf_render *vbuf_backend;
142 struct draw_stage *vbuf;
143
144 boolean dirty_render_cache;
145
146 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
147 struct softpipe_tile_cache *zsbuf_cache;
148
149 unsigned tex_timestamp;
150 struct softpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS];
151 struct softpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
152
153 unsigned use_sse : 1;
154 unsigned dump_fs : 1;
155 unsigned dump_gs : 1;
156 unsigned no_rast : 1;
157 };
158
159
160 static INLINE struct softpipe_context *
161 softpipe_context( struct pipe_context *pipe )
162 {
163 return (struct softpipe_context *)pipe;
164 }
165
166 void
167 softpipe_reset_sampler_varients(struct softpipe_context *softpipe);
168
169
170 #endif /* SP_CONTEXT_H */