sp_context.h revision 0a14e9f09fc1cf9d5c277bb239f349203d3bed79 
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 draw module? */
42#define DO_PSTIPPLE_IN_DRAW_MODULE 0
43
44/** Do polygon stipple with the util module? */
45#define DO_PSTIPPLE_IN_HELPER_MODULE 1
46
47
48struct softpipe_vbuf_render;
49struct draw_context;
50struct draw_stage;
51struct softpipe_tile_cache;
52struct softpipe_tex_tile_cache;
53struct sp_fragment_shader;
54struct sp_vertex_shader;
55struct sp_velems_state;
56struct sp_so_state;
57
58struct softpipe_context {
59   struct pipe_context pipe;  /**< base class */
60
61   /** Constant state objects */
62   struct pipe_blend_state *blend;
63   struct pipe_sampler_state *fragment_samplers[PIPE_MAX_SAMPLERS];
64   struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
65   struct pipe_sampler_state *geometry_samplers[PIPE_MAX_GEOMETRY_SAMPLERS];
66   struct pipe_depth_stencil_alpha_state *depth_stencil;
67   struct pipe_rasterizer_state *rasterizer;
68   struct sp_fragment_shader *fs;
69   struct sp_fragment_shader_variant *fs_variant;
70   struct sp_vertex_shader *vs;
71   struct sp_geometry_shader *gs;
72   struct sp_velems_state *velems;
73   struct sp_so_state *so;
74
75   /** Other rendering state */
76   struct pipe_blend_color blend_color;
77   struct pipe_blend_color blend_color_clamped;
78   struct pipe_stencil_ref stencil_ref;
79   struct pipe_clip_state clip;
80   struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
81   struct pipe_framebuffer_state framebuffer;
82   struct pipe_poly_stipple poly_stipple;
83   struct pipe_scissor_state scissor;
84   struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
85   struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
86   struct pipe_sampler_view *geometry_sampler_views[PIPE_MAX_GEOMETRY_SAMPLERS];
87   struct pipe_viewport_state viewport;
88   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
89   struct pipe_index_buffer index_buffer;
90
91   struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
92   int num_so_targets;
93
94   struct pipe_query_data_so_statistics so_stats;
95   unsigned num_primitives_generated;
96
97   unsigned num_fragment_samplers;
98   unsigned num_fragment_sampler_views;
99   unsigned num_vertex_samplers;
100   unsigned num_vertex_sampler_views;
101   unsigned num_geometry_samplers;
102   unsigned num_geometry_sampler_views;
103   unsigned num_vertex_buffers;
104
105   unsigned dirty; /**< Mask of SP_NEW_x flags */
106
107   /* Counter for occlusion queries.  Note this supports overlapping
108    * queries.
109    */
110   uint64_t occlusion_count;
111   unsigned active_query_count;
112
113   /** Mapped vertex buffers */
114   ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
115
116   /** Mapped constant buffers */
117   const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
118   unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
119
120   /** Vertex format */
121   struct vertex_info vertex_info;
122   struct vertex_info vertex_info_vbuf;
123
124   /** Which vertex shader output slot contains point size */
125   int psize_slot;
126
127   /** The reduced version of the primitive supplied by the state tracker */
128   unsigned reduced_api_prim;
129
130   /** Derived information about which winding orders to cull */
131   unsigned cull_mode;
132
133   /**
134    * The reduced primitive after unfilled triangles, wide-line decomposition,
135    * etc, are taken into account.  This is the primitive type that's actually
136    * rasterized.
137    */
138   unsigned reduced_prim;
139
140   /** Derived from scissor and surface bounds: */
141   struct pipe_scissor_state cliprect;
142
143   unsigned line_stipple_counter;
144
145   /** Conditional query object and mode */
146   struct pipe_query *render_cond_query;
147   uint render_cond_mode;
148
149   /** Polygon stipple items */
150   struct {
151      struct pipe_resource *texture;
152      struct pipe_sampler_state *sampler;
153      struct pipe_sampler_view *sampler_view;
154   } pstipple;
155
156   /** Software quad rendering pipeline */
157   struct {
158      struct quad_stage *shade;
159      struct quad_stage *depth_test;
160      struct quad_stage *blend;
161      struct quad_stage *pstipple;
162      struct quad_stage *first; /**< points to one of the above stages */
163   } quad;
164
165   /** TGSI exec things */
166   struct {
167      struct sp_sampler_variant *geom_samplers_list[PIPE_MAX_GEOMETRY_SAMPLERS];
168      struct sp_sampler_variant *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
169      struct sp_sampler_variant *frag_samplers_list[PIPE_MAX_SAMPLERS];
170   } tgsi;
171
172   struct tgsi_exec_machine *fs_machine;
173
174   /** The primitive drawing context */
175   struct draw_context *draw;
176
177   /** Draw module backend */
178   struct vbuf_render *vbuf_backend;
179   struct draw_stage *vbuf;
180
181   boolean dirty_render_cache;
182
183   struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
184   struct softpipe_tile_cache *zsbuf_cache;
185
186   unsigned tex_timestamp;
187
188   /*
189    * Texture caches for vertex, fragment, geometry stages.
190    * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory
191    * for compute shaders.
192    */
193   struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_GEOMETRY+1][PIPE_MAX_SAMPLERS];
194
195   unsigned dump_fs : 1;
196   unsigned dump_gs : 1;
197   unsigned no_rast : 1;
198};
199
200
201static INLINE struct softpipe_context *
202softpipe_context( struct pipe_context *pipe )
203{
204   return (struct softpipe_context *)pipe;
205}
206
207void
208softpipe_reset_sampler_variants(struct softpipe_context *softpipe);
209
210struct pipe_context *
211softpipe_create_context( struct pipe_screen *, void *priv );
212
213struct pipe_resource *
214softpipe_user_buffer_create(struct pipe_screen *screen,
215                            void *ptr,
216                            unsigned bytes,
217			    unsigned bind_flags);
218
219#define SP_UNREFERENCED         0
220#define SP_REFERENCED_FOR_READ  (1 << 0)
221#define SP_REFERENCED_FOR_WRITE (1 << 1)
222
223unsigned int
224softpipe_is_resource_referenced( struct pipe_context *pipe,
225                                 struct pipe_resource *texture,
226                                 unsigned level, int layer);
227
228#endif /* SP_CONTEXT_H */
229