Merge branch '7.8'
[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 /** Do polygon stipple in the driver here, or in the draw module? */
42 #define DO_PSTIPPLE_IN_DRAW_MODULE 1
43
44
45 struct softpipe_vbuf_render;
46 struct draw_context;
47 struct draw_stage;
48 struct softpipe_tile_cache;
49 struct softpipe_tex_tile_cache;
50 struct sp_fragment_shader;
51 struct sp_vertex_shader;
52 struct sp_velems_state;
53
54
55 struct softpipe_context {
56 struct pipe_context pipe; /**< base class */
57
58 /** Constant state objects */
59 struct pipe_blend_state *blend;
60 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
61 struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
62 struct pipe_depth_stencil_alpha_state *depth_stencil;
63 struct pipe_rasterizer_state *rasterizer;
64 struct sp_fragment_shader *fs;
65 struct sp_vertex_shader *vs;
66 struct sp_geometry_shader *gs;
67 struct sp_velems_state *velems;
68
69 /** Other rendering state */
70 struct pipe_blend_color blend_color;
71 struct pipe_stencil_ref stencil_ref;
72 struct pipe_clip_state clip;
73 struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
74 struct pipe_framebuffer_state framebuffer;
75 struct pipe_poly_stipple poly_stipple;
76 struct pipe_scissor_state scissor;
77 struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
78 struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
79 struct pipe_viewport_state viewport;
80 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
81
82 unsigned num_samplers;
83 unsigned num_sampler_views;
84 unsigned num_vertex_samplers;
85 unsigned num_vertex_sampler_views;
86 unsigned num_vertex_buffers;
87
88 unsigned dirty; /**< Mask of SP_NEW_x flags */
89
90 /* Counter for occlusion queries. Note this supports overlapping
91 * queries.
92 */
93 uint64_t occlusion_count;
94 unsigned active_query_count;
95
96 /** Mapped vertex buffers */
97 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
98
99 /** Mapped constant buffers */
100 const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
101
102 /** Vertex format */
103 struct vertex_info vertex_info;
104 struct vertex_info vertex_info_vbuf;
105
106 /** Which vertex shader output slot contains point size */
107 int psize_slot;
108
109 /** The reduced version of the primitive supplied by the state tracker */
110 unsigned reduced_api_prim;
111
112 /**
113 * The reduced primitive after unfilled triangles, wide-line decomposition,
114 * etc, are taken into account. This is the primitive type that's actually
115 * rasterized.
116 */
117 unsigned reduced_prim;
118
119 /** Derived from scissor and surface bounds: */
120 struct pipe_scissor_state cliprect;
121
122 unsigned line_stipple_counter;
123
124 /** Conditional query object and mode */
125 struct pipe_query *render_cond_query;
126 uint render_cond_mode;
127
128 /** Software quad rendering pipeline */
129 struct {
130 struct quad_stage *shade;
131 struct quad_stage *depth_test;
132 struct quad_stage *blend;
133 struct quad_stage *pstipple;
134 struct quad_stage *first; /**< points to one of the above stages */
135 } quad;
136
137 /** TGSI exec things */
138 struct {
139 struct sp_sampler_varient *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
140 struct sp_sampler_varient *frag_samplers_list[PIPE_MAX_SAMPLERS];
141 } tgsi;
142
143 /** The primitive drawing context */
144 struct draw_context *draw;
145
146 /** Draw module backend */
147 struct vbuf_render *vbuf_backend;
148 struct draw_stage *vbuf;
149
150 boolean dirty_render_cache;
151
152 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
153 struct softpipe_tile_cache *zsbuf_cache;
154
155 unsigned tex_timestamp;
156 struct softpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS];
157 struct softpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
158
159 unsigned use_sse : 1;
160 unsigned dump_fs : 1;
161 unsigned dump_gs : 1;
162 unsigned no_rast : 1;
163 };
164
165
166 static INLINE struct softpipe_context *
167 softpipe_context( struct pipe_context *pipe )
168 {
169 return (struct softpipe_context *)pipe;
170 }
171
172 void
173 softpipe_reset_sampler_varients(struct softpipe_context *softpipe);
174
175 struct pipe_context *
176 softpipe_create_context( struct pipe_screen *, void *priv );
177
178
179 #endif /* SP_CONTEXT_H */