1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
34 #include "pipe/p_context.h"
36 #include "draw/draw_vertex.h"
38 #include "sp_quad_pipe.h"
41 struct softpipe_vbuf_render;
44 struct softpipe_tile_cache;
45 struct softpipe_tex_tile_cache;
46 struct sp_fragment_shader;
47 struct sp_vertex_shader;
48 struct sp_velems_state;
51 struct softpipe_context {
52 struct pipe_context pipe; /**< base class */
54 /** Constant state objects */
55 struct pipe_blend_state *blend;
56 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
57 struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
58 struct pipe_depth_stencil_alpha_state *depth_stencil;
59 struct pipe_rasterizer_state *rasterizer;
60 struct sp_fragment_shader *fs;
61 struct sp_vertex_shader *vs;
62 struct sp_geometry_shader *gs;
63 struct sp_velems_state *velems;
65 /** Other rendering state */
66 struct pipe_blend_color blend_color;
67 struct pipe_stencil_ref stencil_ref;
68 struct pipe_clip_state clip;
69 struct pipe_buffer *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
70 struct pipe_framebuffer_state framebuffer;
71 struct pipe_poly_stipple poly_stipple;
72 struct pipe_scissor_state scissor;
73 struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
74 struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
75 struct pipe_viewport_state viewport;
76 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
78 unsigned num_samplers;
79 unsigned num_sampler_views;
80 unsigned num_vertex_samplers;
81 unsigned num_vertex_sampler_views;
82 unsigned num_vertex_buffers;
84 unsigned dirty; /**< Mask of SP_NEW_x flags */
86 /* Counter for occlusion queries. Note this supports overlapping
89 uint64_t occlusion_count;
90 unsigned active_query_count;
92 /** Mapped vertex buffers */
93 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
95 /** Mapped constant buffers */
96 const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
99 struct vertex_info vertex_info;
100 struct vertex_info vertex_info_vbuf;
102 /** Which vertex shader output slot contains point size */
105 /** The reduced version of the primitive supplied by the state tracker */
106 unsigned reduced_api_prim;
109 * The reduced primitive after unfilled triangles, wide-line decomposition,
110 * etc, are taken into account. This is the primitive type that's actually
113 unsigned reduced_prim;
115 /** Derived from scissor and surface bounds: */
116 struct pipe_scissor_state cliprect;
118 unsigned line_stipple_counter;
120 /** Conditional query object and mode */
121 struct pipe_query *render_cond_query;
122 uint render_cond_mode;
124 /** Software quad rendering pipeline */
126 struct quad_stage *shade;
127 struct quad_stage *depth_test;
128 struct quad_stage *blend;
129 struct quad_stage *first; /**< points to one of the above stages */
132 /** TGSI exec things */
134 struct sp_sampler_varient *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
135 struct sp_sampler_varient *frag_samplers_list[PIPE_MAX_SAMPLERS];
138 /** The primitive drawing context */
139 struct draw_context *draw;
141 /** Draw module backend */
142 struct vbuf_render *vbuf_backend;
143 struct draw_stage *vbuf;
145 boolean dirty_render_cache;
147 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
148 struct softpipe_tile_cache *zsbuf_cache;
150 unsigned tex_timestamp;
151 struct softpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS];
152 struct softpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
154 unsigned use_sse : 1;
155 unsigned dump_fs : 1;
156 unsigned dump_gs : 1;
157 unsigned no_rast : 1;
161 static INLINE struct softpipe_context *
162 softpipe_context( struct pipe_context *pipe )
164 return (struct softpipe_context *)pipe;
168 softpipe_reset_sampler_varients(struct softpipe_context *softpipe);
170 struct pipe_context *
171 softpipe_create_context( struct pipe_screen *, void *priv );
174 #endif /* SP_CONTEXT_H */