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_depth_stencil_alpha_state
*depth_stencil
;
57 struct pipe_rasterizer_state
*rasterizer
;
58 struct sp_fragment_shader
*fs
;
59 struct sp_vertex_shader
*vs
;
61 /** Other rendering state */
62 struct pipe_blend_color blend_color
;
63 struct pipe_clip_state clip
;
64 struct pipe_constant_buffer constants
[PIPE_SHADER_TYPES
];
65 struct pipe_framebuffer_state framebuffer
;
66 struct pipe_poly_stipple poly_stipple
;
67 struct pipe_scissor_state scissor
;
68 struct pipe_texture
*texture
[PIPE_MAX_SAMPLERS
];
69 struct pipe_viewport_state viewport
;
70 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
71 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
73 unsigned num_samplers
;
74 unsigned num_textures
;
75 unsigned num_vertex_elements
;
76 unsigned num_vertex_buffers
;
78 unsigned dirty
; /**< Mask of SP_NEW_x flags */
80 /* Counter for occlusion queries. Note this supports overlapping
83 uint64_t occlusion_count
;
84 unsigned active_query_count
;
86 /** Mapped vertex buffers */
87 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
89 /** Mapped constant buffers */
90 void *mapped_constants
[PIPE_SHADER_TYPES
];
93 struct vertex_info vertex_info
;
94 struct vertex_info vertex_info_vbuf
;
96 /** Which vertex shader output slot contains point size */
99 /** The reduced version of the primitive supplied by the state tracker */
100 unsigned reduced_api_prim
;
103 * The reduced primitive after unfilled triangles, wide-line decomposition,
104 * etc, are taken into account. This is the primitive type that's actually
107 unsigned reduced_prim
;
109 /** Derived from scissor and surface bounds: */
110 struct pipe_scissor_state cliprect
;
112 unsigned line_stipple_counter
;
114 /** Software quad rendering pipeline */
116 struct quad_stage
*shade
;
117 struct quad_stage
*depth_test
;
118 struct quad_stage
*blend
;
119 struct quad_stage
*first
; /**< points to one of the above stages */
122 /** TGSI exec things */
124 struct sp_sampler_varient
*vert_samplers_list
[PIPE_MAX_SAMPLERS
];
125 struct sp_sampler_varient
*frag_samplers_list
[PIPE_MAX_SAMPLERS
];
128 /** The primitive drawing context */
129 struct draw_context
*draw
;
131 /** Draw module backend */
132 struct vbuf_render
*vbuf_backend
;
133 struct draw_stage
*vbuf
;
135 boolean dirty_render_cache
;
137 struct softpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
138 struct softpipe_tile_cache
*zsbuf_cache
;
140 unsigned tex_timestamp
;
141 struct softpipe_tex_tile_cache
*tex_cache
[PIPE_MAX_SAMPLERS
];
143 unsigned use_sse
: 1;
144 unsigned dump_fs
: 1;
145 unsigned no_rast
: 1;
149 static INLINE
struct softpipe_context
*
150 softpipe_context( struct pipe_context
*pipe
)
152 return (struct softpipe_context
*)pipe
;
156 softpipe_reset_sampler_varients(struct softpipe_context
*softpipe
);
159 #endif /* SP_CONTEXT_H */