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 "lp_tex_sample.h"
42 struct llvmpipe_vbuf_render
;
45 struct llvmpipe_tile_cache
;
46 struct llvmpipe_tex_tile_cache
;
47 struct lp_fragment_shader
;
48 struct lp_vertex_shader
;
49 struct lp_blend_state
;
52 struct llvmpipe_context
{
53 struct pipe_context pipe
; /**< base class */
55 /** Constant state objects */
56 const struct pipe_blend_state
*blend
;
57 const struct pipe_sampler_state
*sampler
[PIPE_MAX_SAMPLERS
];
58 struct pipe_sampler_state
*vertex_samplers
[PIPE_MAX_VERTEX_SAMPLERS
];
59 const struct pipe_depth_stencil_alpha_state
*depth_stencil
;
60 const struct pipe_rasterizer_state
*rasterizer
;
61 struct lp_fragment_shader
*fs
;
62 const struct lp_vertex_shader
*vs
;
64 /** Other rendering state */
65 struct pipe_blend_color blend_color
[4][16];
66 struct pipe_clip_state clip
;
67 struct pipe_constant_buffer constants
[PIPE_SHADER_TYPES
];
68 struct pipe_framebuffer_state framebuffer
;
69 struct pipe_poly_stipple poly_stipple
;
70 struct pipe_scissor_state scissor
;
71 struct pipe_texture
*texture
[PIPE_MAX_SAMPLERS
];
72 struct pipe_texture
*vertex_textures
[PIPE_MAX_VERTEX_SAMPLERS
];
73 struct pipe_viewport_state viewport
;
74 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
75 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
77 unsigned num_samplers
;
78 unsigned num_textures
;
79 unsigned num_vertex_samplers
;
80 unsigned num_vertex_textures
;
81 unsigned num_vertex_elements
;
82 unsigned num_vertex_buffers
;
84 unsigned dirty
; /**< Mask of LP_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
];
96 struct vertex_info vertex_info
;
97 struct vertex_info vertex_info_vbuf
;
99 /** Which vertex shader output slot contains point size */
102 /* The reduced version of the primitive supplied by the state
105 unsigned reduced_api_prim
;
107 /* The reduced primitive after unfilled triangles, wide-line
108 * decomposition, etc, are taken into account. This is the
109 * primitive actually rasterized.
111 unsigned reduced_prim
;
113 /** Derived from scissor and surface bounds: */
114 struct pipe_scissor_state cliprect
;
116 unsigned line_stipple_counter
;
118 /** TGSI exec things */
120 struct lp_shader_sampler vert_samplers
[PIPE_MAX_SAMPLERS
];
121 struct lp_shader_sampler
*vert_samplers_list
[PIPE_MAX_SAMPLERS
];
122 struct lp_shader_sampler frag_samplers
[PIPE_MAX_SAMPLERS
];
123 struct lp_shader_sampler
*frag_samplers_list
[PIPE_MAX_SAMPLERS
];
126 /** The primitive drawing context */
127 struct draw_context
*draw
;
129 /** Draw module backend */
130 struct vbuf_render
*vbuf_backend
;
131 struct draw_stage
*vbuf
;
133 boolean dirty_render_cache
;
135 struct llvmpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
137 /* TODO: we shouldn't be using external interfaces internally like this */
138 struct pipe_transfer
*zsbuf_transfer
;
141 unsigned tex_timestamp
;
142 struct llvmpipe_tex_tile_cache
*tex_cache
[PIPE_MAX_SAMPLERS
];
143 struct llvmpipe_tex_tile_cache
*vertex_tex_cache
[PIPE_MAX_VERTEX_SAMPLERS
];
145 unsigned no_rast
: 1;
147 struct lp_jit_context jit_context
;
151 static INLINE
struct llvmpipe_context
*
152 llvmpipe_context( struct pipe_context
*pipe
)
154 return (struct llvmpipe_context
*)pipe
;
157 #endif /* LP_CONTEXT_H */