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"
35 #include "util/u_blitter.h"
37 #include "draw/draw_vertex.h"
39 #include "sp_quad_pipe.h"
42 /** Do polygon stipple in the draw module? */
43 #define DO_PSTIPPLE_IN_DRAW_MODULE 0
45 /** Do polygon stipple with the util module? */
46 #define DO_PSTIPPLE_IN_HELPER_MODULE 1
49 struct softpipe_vbuf_render
;
52 struct softpipe_tile_cache
;
53 struct softpipe_tex_tile_cache
;
54 struct sp_fragment_shader
;
55 struct sp_vertex_shader
;
56 struct sp_velems_state
;
59 struct softpipe_context
{
60 struct pipe_context pipe
; /**< base class */
62 /** Constant state objects */
63 struct pipe_blend_state
*blend
;
64 struct pipe_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
65 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
66 struct pipe_rasterizer_state
*rasterizer
;
67 struct sp_fragment_shader
*fs
;
68 struct sp_fragment_shader_variant
*fs_variant
;
69 struct sp_vertex_shader
*vs
;
70 struct sp_geometry_shader
*gs
;
71 struct sp_velems_state
*velems
;
72 struct sp_so_state
*so
;
74 /** Other rendering state */
75 struct pipe_blend_color blend_color
;
76 struct pipe_blend_color blend_color_clamped
;
77 struct pipe_stencil_ref stencil_ref
;
78 struct pipe_clip_state clip
;
79 struct pipe_resource
*constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
80 struct pipe_framebuffer_state framebuffer
;
81 struct pipe_poly_stipple poly_stipple
;
82 struct pipe_scissor_state scissor
;
83 struct pipe_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
85 struct pipe_viewport_state viewport
;
86 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
87 struct pipe_index_buffer index_buffer
;
89 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
90 unsigned num_so_targets
;
92 struct pipe_query_data_so_statistics so_stats
;
93 unsigned num_primitives_generated
;
95 unsigned num_samplers
[PIPE_SHADER_TYPES
];
96 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
98 unsigned num_vertex_buffers
;
100 unsigned dirty
; /**< Mask of SP_NEW_x flags */
102 /* Counter for occlusion queries. Note this supports overlapping
105 uint64_t occlusion_count
;
106 unsigned active_query_count
;
108 /** Mapped vertex buffers */
109 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
111 /** Mapped constant buffers */
112 const void *mapped_constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
113 unsigned const_buffer_size
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
116 struct vertex_info vertex_info
;
117 struct vertex_info vertex_info_vbuf
;
119 /** Which vertex shader output slot contains point size */
122 /** The reduced version of the primitive supplied by the state tracker */
123 unsigned reduced_api_prim
;
125 /** Derived information about which winding orders to cull */
129 * The reduced primitive after unfilled triangles, wide-line decomposition,
130 * etc, are taken into account. This is the primitive type that's actually
133 unsigned reduced_prim
;
135 /** Derived from scissor and surface bounds: */
136 struct pipe_scissor_state cliprect
;
138 unsigned line_stipple_counter
;
140 /** Conditional query object and mode */
141 struct pipe_query
*render_cond_query
;
142 uint render_cond_mode
;
144 /** Polygon stipple items */
146 struct pipe_resource
*texture
;
147 struct pipe_sampler_state
*sampler
;
148 struct pipe_sampler_view
*sampler_view
;
151 /** Software quad rendering pipeline */
153 struct quad_stage
*shade
;
154 struct quad_stage
*depth_test
;
155 struct quad_stage
*blend
;
156 struct quad_stage
*pstipple
;
157 struct quad_stage
*first
; /**< points to one of the above stages */
160 /** TGSI exec things */
162 struct sp_tgsi_sampler
*sampler
[PIPE_SHADER_TYPES
];
165 struct tgsi_exec_machine
*fs_machine
;
167 /** The primitive drawing context */
168 struct draw_context
*draw
;
170 /** Draw module backend */
171 struct vbuf_render
*vbuf_backend
;
172 struct draw_stage
*vbuf
;
174 struct blitter_context
*blitter
;
176 boolean dirty_render_cache
;
178 struct softpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
179 struct softpipe_tile_cache
*zsbuf_cache
;
181 unsigned tex_timestamp
;
184 * Texture caches for vertex, fragment, geometry stages.
185 * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory
186 * for compute shaders.
187 * XXX wouldn't it make more sense for the tile cache to just be part
188 * of sp_sampler_view?
190 struct softpipe_tex_tile_cache
*tex_cache
[PIPE_SHADER_GEOMETRY
+1][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
192 unsigned dump_fs
: 1;
193 unsigned dump_gs
: 1;
194 unsigned no_rast
: 1;
198 static INLINE
struct softpipe_context
*
199 softpipe_context( struct pipe_context
*pipe
)
201 return (struct softpipe_context
*)pipe
;
205 struct pipe_context
*
206 softpipe_create_context( struct pipe_screen
*, void *priv
);
208 struct pipe_resource
*
209 softpipe_user_buffer_create(struct pipe_screen
*screen
,
212 unsigned bind_flags
);
214 #define SP_UNREFERENCED 0
215 #define SP_REFERENCED_FOR_READ (1 << 0)
216 #define SP_REFERENCED_FOR_WRITE (1 << 1)
219 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
220 struct pipe_resource
*texture
,
221 unsigned level
, int layer
);
223 #endif /* SP_CONTEXT_H */