sp_context.h revision 3464ebd5 
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 SP_CONTEXT_H
32#define SP_CONTEXT_H
33
34#include "pipe/p_context.h"
35
36#include "draw/draw_vertex.h"
37
38#include "sp_quad_pipe.h"
39
40
41/** Do polygon stipple in the driver here, or in the draw module? */
42#define DO_PSTIPPLE_IN_DRAW_MODULE 1
43
44
45struct softpipe_vbuf_render;
46struct draw_context;
47struct draw_stage;
48struct softpipe_tile_cache;
49struct softpipe_tex_tile_cache;
50struct sp_fragment_shader;
51struct sp_vertex_shader;
52struct sp_velems_state;
53struct sp_so_state;
54
55
56struct softpipe_context {
57   struct pipe_context pipe;  /**< base class */
58
59   /** Constant state objects */
60   struct pipe_blend_state *blend;
61   struct pipe_sampler_state *fragment_samplers[PIPE_MAX_SAMPLERS];
62   struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
63   struct pipe_sampler_state *geometry_samplers[PIPE_MAX_GEOMETRY_SAMPLERS];
64   struct pipe_depth_stencil_alpha_state *depth_stencil;
65   struct pipe_rasterizer_state *rasterizer;
66   struct sp_fragment_shader *fs;
67   struct sp_vertex_shader *vs;
68   struct sp_geometry_shader *gs;
69   struct sp_velems_state *velems;
70   struct sp_so_state *so;
71
72   /** Other rendering state */
73   struct pipe_blend_color blend_color;
74   struct pipe_stencil_ref stencil_ref;
75   struct pipe_clip_state clip;
76   struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
77   struct pipe_framebuffer_state framebuffer;
78   struct pipe_poly_stipple poly_stipple;
79   struct pipe_scissor_state scissor;
80   struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
81   struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
82   struct pipe_sampler_view *geometry_sampler_views[PIPE_MAX_GEOMETRY_SAMPLERS];
83   struct pipe_viewport_state viewport;
84   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
85   struct pipe_index_buffer index_buffer;
86   struct {
87      struct softpipe_resource *buffer[PIPE_MAX_SO_BUFFERS];
88      int offset[PIPE_MAX_SO_BUFFERS];
89      int so_count[PIPE_MAX_SO_BUFFERS];
90      int num_buffers;
91   } so_target;
92   struct pipe_query_data_so_statistics so_stats;
93
94   unsigned num_fragment_samplers;
95   unsigned num_fragment_sampler_views;
96   unsigned num_vertex_samplers;
97   unsigned num_vertex_sampler_views;
98   unsigned num_geometry_samplers;
99   unsigned num_geometry_sampler_views;
100   unsigned num_vertex_buffers;
101
102   unsigned dirty; /**< Mask of SP_NEW_x flags */
103
104   /* Counter for occlusion queries.  Note this supports overlapping
105    * queries.
106    */
107   uint64_t occlusion_count;
108   unsigned active_query_count;
109
110   /** Mapped vertex buffers */
111   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
112
113   /** Mapped constant buffers */
114   const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
115   unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
116
117   /** Vertex format */
118   struct vertex_info vertex_info;
119   struct vertex_info vertex_info_vbuf;
120
121   /** Which vertex shader output slot contains point size */
122   int psize_slot;
123
124   /** The reduced version of the primitive supplied by the state tracker */
125   unsigned reduced_api_prim;
126
127   /** Derived information about which winding orders to cull */
128   unsigned cull_mode;
129
130   /**
131    * The reduced primitive after unfilled triangles, wide-line decomposition,
132    * etc, are taken into account.  This is the primitive type that's actually
133    * rasterized.
134    */
135   unsigned reduced_prim;
136
137   /** Derived from scissor and surface bounds: */
138   struct pipe_scissor_state cliprect;
139
140   unsigned line_stipple_counter;
141
142   /** Conditional query object and mode */
143   struct pipe_query *render_cond_query;
144   uint render_cond_mode;
145
146   /** Software quad rendering pipeline */
147   struct {
148      struct quad_stage *shade;
149      struct quad_stage *depth_test;
150      struct quad_stage *blend;
151      struct quad_stage *pstipple;
152      struct quad_stage *first; /**< points to one of the above stages */
153   } quad;
154
155   /** TGSI exec things */
156   struct {
157      struct sp_sampler_variant *geom_samplers_list[PIPE_MAX_GEOMETRY_SAMPLERS];
158      struct sp_sampler_variant *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
159      struct sp_sampler_variant *frag_samplers_list[PIPE_MAX_SAMPLERS];
160   } tgsi;
161
162   struct tgsi_exec_machine *fs_machine;
163
164   /** The primitive drawing context */
165   struct draw_context *draw;
166
167   /** Draw module backend */
168   struct vbuf_render *vbuf_backend;
169   struct draw_stage *vbuf;
170
171   boolean dirty_render_cache;
172
173   struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
174   struct softpipe_tile_cache *zsbuf_cache;
175
176   unsigned tex_timestamp;
177   struct softpipe_tex_tile_cache *fragment_tex_cache[PIPE_MAX_SAMPLERS];
178   struct softpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
179   struct softpipe_tex_tile_cache *geometry_tex_cache[PIPE_MAX_GEOMETRY_SAMPLERS];
180
181   unsigned use_sse : 1;
182   unsigned dump_fs : 1;
183   unsigned dump_gs : 1;
184   unsigned no_rast : 1;
185};
186
187
188static INLINE struct softpipe_context *
189softpipe_context( struct pipe_context *pipe )
190{
191   return (struct softpipe_context *)pipe;
192}
193
194void
195softpipe_reset_sampler_variants(struct softpipe_context *softpipe);
196
197struct pipe_context *
198softpipe_create_context( struct pipe_screen *, void *priv );
199
200
201#define SP_UNREFERENCED         0
202#define SP_REFERENCED_FOR_READ  (1 << 0)
203#define SP_REFERENCED_FOR_WRITE (1 << 1)
204
205unsigned int
206softpipe_is_resource_referenced( struct pipe_context *pipe,
207                                 struct pipe_resource *texture,
208                                 unsigned level, int layer);
209
210#endif /* SP_CONTEXT_H */
211