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 /** Do polygon stipple in the draw module? */
42 #define DO_PSTIPPLE_IN_DRAW_MODULE 0
44 /** Do polygon stipple with the util module? */
45 #define DO_PSTIPPLE_IN_HELPER_MODULE 1
48 struct softpipe_vbuf_render
;
51 struct softpipe_tile_cache
;
52 struct softpipe_tex_tile_cache
;
53 struct sp_fragment_shader
;
54 struct sp_vertex_shader
;
55 struct sp_velems_state
;
58 struct softpipe_context
{
59 struct pipe_context pipe
; /**< base class */
61 /** Constant state objects */
62 struct pipe_blend_state
*blend
;
63 struct pipe_sampler_state
*fragment_samplers
[PIPE_MAX_SAMPLERS
];
64 struct pipe_sampler_state
*vertex_samplers
[PIPE_MAX_VERTEX_SAMPLERS
];
65 struct pipe_sampler_state
*geometry_samplers
[PIPE_MAX_GEOMETRY_SAMPLERS
];
66 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
67 struct pipe_rasterizer_state
*rasterizer
;
68 struct sp_fragment_shader
*fs
;
69 struct sp_fragment_shader_variant
*fs_variant
;
70 struct sp_vertex_shader
*vs
;
71 struct sp_geometry_shader
*gs
;
72 struct sp_velems_state
*velems
;
73 struct sp_so_state
*so
;
75 /** Other rendering state */
76 struct pipe_blend_color blend_color
;
77 struct pipe_blend_color blend_color_clamped
;
78 struct pipe_stencil_ref stencil_ref
;
79 struct pipe_clip_state clip
;
80 struct pipe_resource
*constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
81 struct pipe_framebuffer_state framebuffer
;
82 struct pipe_poly_stipple poly_stipple
;
83 struct pipe_scissor_state scissor
;
84 struct pipe_sampler_view
*fragment_sampler_views
[PIPE_MAX_SAMPLERS
];
85 struct pipe_sampler_view
*vertex_sampler_views
[PIPE_MAX_VERTEX_SAMPLERS
];
86 struct pipe_sampler_view
*geometry_sampler_views
[PIPE_MAX_GEOMETRY_SAMPLERS
];
87 struct pipe_viewport_state viewport
;
88 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
89 struct pipe_index_buffer index_buffer
;
91 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
94 struct pipe_query_data_so_statistics so_stats
;
95 unsigned num_primitives_generated
;
97 unsigned num_fragment_samplers
;
98 unsigned num_fragment_sampler_views
;
99 unsigned num_vertex_samplers
;
100 unsigned num_vertex_sampler_views
;
101 unsigned num_geometry_samplers
;
102 unsigned num_geometry_sampler_views
;
103 unsigned num_vertex_buffers
;
105 unsigned dirty
; /**< Mask of SP_NEW_x flags */
107 /* Counter for occlusion queries. Note this supports overlapping
110 uint64_t occlusion_count
;
111 unsigned active_query_count
;
113 /** Mapped vertex buffers */
114 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
116 /** Mapped constant buffers */
117 const void *mapped_constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
118 unsigned const_buffer_size
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
121 struct vertex_info vertex_info
;
122 struct vertex_info vertex_info_vbuf
;
124 /** Which vertex shader output slot contains point size */
127 /** The reduced version of the primitive supplied by the state tracker */
128 unsigned reduced_api_prim
;
130 /** Derived information about which winding orders to cull */
134 * The reduced primitive after unfilled triangles, wide-line decomposition,
135 * etc, are taken into account. This is the primitive type that's actually
138 unsigned reduced_prim
;
140 /** Derived from scissor and surface bounds: */
141 struct pipe_scissor_state cliprect
;
143 unsigned line_stipple_counter
;
145 /** Conditional query object and mode */
146 struct pipe_query
*render_cond_query
;
147 uint render_cond_mode
;
149 /** Polygon stipple items */
151 struct pipe_resource
*texture
;
152 struct pipe_sampler_state
*sampler
;
153 struct pipe_sampler_view
*sampler_view
;
156 /** Software quad rendering pipeline */
158 struct quad_stage
*shade
;
159 struct quad_stage
*depth_test
;
160 struct quad_stage
*blend
;
161 struct quad_stage
*pstipple
;
162 struct quad_stage
*first
; /**< points to one of the above stages */
165 /** TGSI exec things */
167 struct sp_sampler_variant
*geom_samplers_list
[PIPE_MAX_GEOMETRY_SAMPLERS
];
168 struct sp_sampler_variant
*vert_samplers_list
[PIPE_MAX_VERTEX_SAMPLERS
];
169 struct sp_sampler_variant
*frag_samplers_list
[PIPE_MAX_SAMPLERS
];
172 struct tgsi_exec_machine
*fs_machine
;
174 /** The primitive drawing context */
175 struct draw_context
*draw
;
177 /** Draw module backend */
178 struct vbuf_render
*vbuf_backend
;
179 struct draw_stage
*vbuf
;
181 boolean dirty_render_cache
;
183 struct softpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
184 struct softpipe_tile_cache
*zsbuf_cache
;
186 unsigned tex_timestamp
;
187 struct softpipe_tex_tile_cache
*fragment_tex_cache
[PIPE_MAX_SAMPLERS
];
188 struct softpipe_tex_tile_cache
*vertex_tex_cache
[PIPE_MAX_VERTEX_SAMPLERS
];
189 struct softpipe_tex_tile_cache
*geometry_tex_cache
[PIPE_MAX_GEOMETRY_SAMPLERS
];
191 unsigned dump_fs
: 1;
192 unsigned dump_gs
: 1;
193 unsigned no_rast
: 1;
197 static INLINE
struct softpipe_context
*
198 softpipe_context( struct pipe_context
*pipe
)
200 return (struct softpipe_context
*)pipe
;
204 softpipe_reset_sampler_variants(struct softpipe_context
*softpipe
);
206 struct pipe_context
*
207 softpipe_create_context( struct pipe_screen
*, void *priv
);
210 #define SP_UNREFERENCED 0
211 #define SP_REFERENCED_FOR_READ (1 << 0)
212 #define SP_REFERENCED_FOR_WRITE (1 << 1)
215 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
216 struct pipe_resource
*texture
,
217 unsigned level
, int layer
);
219 #endif /* SP_CONTEXT_H */