lp_context.h revision 3160cbabccf1f7d8bdf344242507b9c3082f15c6 
1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28/* Authors:  Keith Whitwell <keith@tungstengraphics.com>
29 */
30
31#ifndef LP_CONTEXT_H
32#define LP_CONTEXT_H
33
34#include "pipe/p_context.h"
35
36#include "draw/draw_vertex.h"
37
38#include "lp_tex_sample.h"
39#include "lp_jit.h"
40
41
42struct llvmpipe_vbuf_render;
43struct draw_context;
44struct draw_stage;
45struct lp_fragment_shader;
46struct lp_vertex_shader;
47struct lp_blend_state;
48struct lp_setup_context;
49struct lp_velems_state;
50
51struct llvmpipe_context {
52   struct pipe_context pipe;  /**< base class */
53
54   /** Constant state objects */
55   const struct pipe_blend_state *blend;
56   const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
57   struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
58   const struct pipe_depth_stencil_alpha_state *depth_stencil;
59   const struct pipe_rasterizer_state *rasterizer;
60   struct lp_fragment_shader *fs;
61   const struct lp_vertex_shader *vs;
62   const struct lp_velems_state *velems;
63
64   /** Other rendering state */
65   struct pipe_blend_color blend_color;
66   struct pipe_stencil_ref stencil_ref;
67   struct pipe_clip_state clip;
68   struct pipe_buffer *constants[PIPE_SHADER_TYPES];
69   struct pipe_framebuffer_state framebuffer;
70   struct pipe_poly_stipple poly_stipple;
71   struct pipe_scissor_state scissor;
72   struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
73   struct pipe_texture *vertex_textures[PIPE_MAX_VERTEX_SAMPLERS];
74   struct pipe_viewport_state viewport;
75   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
76
77   unsigned num_samplers;
78   unsigned num_textures;
79   unsigned num_vertex_samplers;
80   unsigned num_vertex_textures;
81   unsigned num_vertex_buffers;
82
83   unsigned dirty; /**< Mask of LP_NEW_x flags */
84
85   /* Counter for occlusion queries.  Note this supports overlapping
86    * queries.
87    */
88   uint64_t occlusion_count;
89   unsigned active_query_count;
90
91   /** Mapped vertex buffers */
92   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
93
94   /** Vertex format */
95   struct vertex_info vertex_info;
96
97   /** Which vertex shader output slot contains point size */
98   int psize_slot;
99
100   /** The tiling engine */
101   struct lp_setup_context *setup;
102
103   /** The primitive drawing context */
104   struct draw_context *draw;
105
106   unsigned tex_timestamp;
107   boolean no_rast;
108
109};
110
111
112struct pipe_context *
113llvmpipe_create_context( struct pipe_screen *screen, void *priv );
114
115
116static INLINE struct llvmpipe_context *
117llvmpipe_context( struct pipe_context *pipe )
118{
119   return (struct llvmpipe_context *)pipe;
120}
121
122#endif /* LP_CONTEXT_H */
123
124