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
;
50 struct softpipe_context
{
51 struct pipe_context pipe
; /**< base class */
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
;
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
];
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
;
83 unsigned dirty
; /**< Mask of SP_NEW_x flags */
85 /* Counter for occlusion queries. Note this supports overlapping
88 uint64_t occlusion_count
;
89 unsigned active_query_count
;
91 /** Mapped vertex buffers */
92 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
94 /** Mapped constant buffers */
95 void *mapped_constants
[PIPE_SHADER_TYPES
];
98 struct vertex_info vertex_info
;
99 struct vertex_info vertex_info_vbuf
;
101 /** Which vertex shader output slot contains point size */
104 /** The reduced version of the primitive supplied by the state tracker */
105 unsigned reduced_api_prim
;
108 * The reduced primitive after unfilled triangles, wide-line decomposition,
109 * etc, are taken into account. This is the primitive type that's actually
112 unsigned reduced_prim
;
114 /** Derived from scissor and surface bounds: */
115 struct pipe_scissor_state cliprect
;
117 unsigned line_stipple_counter
;
119 /** Conditional query object and mode */
120 struct pipe_query
*render_cond_query
;
121 uint render_cond_mode
;
123 /** Software quad rendering pipeline */
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 */
131 /** TGSI exec things */
133 struct sp_sampler_varient
*vert_samplers_list
[PIPE_MAX_VERTEX_SAMPLERS
];
134 struct sp_sampler_varient
*frag_samplers_list
[PIPE_MAX_SAMPLERS
];
137 /** The primitive drawing context */
138 struct draw_context
*draw
;
140 /** Draw module backend */
141 struct vbuf_render
*vbuf_backend
;
142 struct draw_stage
*vbuf
;
144 boolean dirty_render_cache
;
146 struct softpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
147 struct softpipe_tile_cache
*zsbuf_cache
;
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
];
153 unsigned use_sse
: 1;
154 unsigned dump_fs
: 1;
155 unsigned dump_gs
: 1;
156 unsigned no_rast
: 1;
160 static INLINE
struct softpipe_context
*
161 softpipe_context( struct pipe_context
*pipe
)
163 return (struct softpipe_context
*)pipe
;
167 softpipe_reset_sampler_varients(struct softpipe_context
*softpipe
);
170 #endif /* SP_CONTEXT_H */