softpipe: silence some MSVC signed/unsigned warnings
[mesa.git] / src / gallium / drivers / softpipe / sp_context.h
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 #include "util/u_blitter.h"
36
37 #include "draw/draw_vertex.h"
38
39 #include "sp_quad_pipe.h"
40
41
42 /** Do polygon stipple in the draw module? */
43 #define DO_PSTIPPLE_IN_DRAW_MODULE 0
44
45 /** Do polygon stipple with the util module? */
46 #define DO_PSTIPPLE_IN_HELPER_MODULE 1
47
48
49 struct softpipe_vbuf_render;
50 struct draw_context;
51 struct draw_stage;
52 struct softpipe_tile_cache;
53 struct softpipe_tex_tile_cache;
54 struct sp_fragment_shader;
55 struct sp_vertex_shader;
56 struct sp_velems_state;
57 struct sp_so_state;
58
59 struct softpipe_context {
60 struct pipe_context pipe; /**< base class */
61
62 /** Constant state objects */
63 struct pipe_blend_state *blend;
64 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
65 struct pipe_depth_stencil_alpha_state *depth_stencil;
66 struct pipe_rasterizer_state *rasterizer;
67 struct sp_fragment_shader *fs;
68 struct sp_fragment_shader_variant *fs_variant;
69 struct sp_vertex_shader *vs;
70 struct sp_geometry_shader *gs;
71 struct sp_velems_state *velems;
72 struct sp_so_state *so;
73
74 /** Other rendering state */
75 struct pipe_blend_color blend_color;
76 struct pipe_blend_color blend_color_clamped;
77 struct pipe_stencil_ref stencil_ref;
78 struct pipe_clip_state clip;
79 struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
80 struct pipe_framebuffer_state framebuffer;
81 struct pipe_poly_stipple poly_stipple;
82 struct pipe_scissor_state scissor;
83 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
84
85 struct pipe_viewport_state viewport;
86 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
87 struct pipe_index_buffer index_buffer;
88
89 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
90 unsigned num_so_targets;
91
92 struct pipe_query_data_so_statistics so_stats;
93 unsigned num_primitives_generated;
94
95 unsigned num_samplers[PIPE_SHADER_TYPES];
96 unsigned num_sampler_views[PIPE_SHADER_TYPES];
97
98 unsigned num_vertex_buffers;
99
100 unsigned dirty; /**< Mask of SP_NEW_x flags */
101
102 /* Counter for occlusion queries. Note this supports overlapping
103 * queries.
104 */
105 uint64_t occlusion_count;
106 unsigned active_query_count;
107
108 /** Mapped vertex buffers */
109 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
110
111 /** Mapped constant buffers */
112 const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
113 unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
114
115 /** Vertex format */
116 struct vertex_info vertex_info;
117 struct vertex_info vertex_info_vbuf;
118
119 /** Which vertex shader output slot contains point size */
120 int psize_slot;
121
122 /** The reduced version of the primitive supplied by the state tracker */
123 unsigned reduced_api_prim;
124
125 /** Derived information about which winding orders to cull */
126 unsigned cull_mode;
127
128 /**
129 * The reduced primitive after unfilled triangles, wide-line decomposition,
130 * etc, are taken into account. This is the primitive type that's actually
131 * rasterized.
132 */
133 unsigned reduced_prim;
134
135 /** Derived from scissor and surface bounds: */
136 struct pipe_scissor_state cliprect;
137
138 unsigned line_stipple_counter;
139
140 /** Conditional query object and mode */
141 struct pipe_query *render_cond_query;
142 uint render_cond_mode;
143
144 /** Polygon stipple items */
145 struct {
146 struct pipe_resource *texture;
147 struct pipe_sampler_state *sampler;
148 struct pipe_sampler_view *sampler_view;
149 } pstipple;
150
151 /** Software quad rendering pipeline */
152 struct {
153 struct quad_stage *shade;
154 struct quad_stage *depth_test;
155 struct quad_stage *blend;
156 struct quad_stage *pstipple;
157 struct quad_stage *first; /**< points to one of the above stages */
158 } quad;
159
160 /** TGSI exec things */
161 struct {
162 struct sp_tgsi_sampler *sampler[PIPE_SHADER_TYPES];
163 } tgsi;
164
165 struct tgsi_exec_machine *fs_machine;
166
167 /** The primitive drawing context */
168 struct draw_context *draw;
169
170 /** Draw module backend */
171 struct vbuf_render *vbuf_backend;
172 struct draw_stage *vbuf;
173
174 struct blitter_context *blitter;
175
176 boolean dirty_render_cache;
177
178 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
179 struct softpipe_tile_cache *zsbuf_cache;
180
181 unsigned tex_timestamp;
182
183 /*
184 * Texture caches for vertex, fragment, geometry stages.
185 * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory
186 * for compute shaders.
187 * XXX wouldn't it make more sense for the tile cache to just be part
188 * of sp_sampler_view?
189 */
190 struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_GEOMETRY+1][PIPE_MAX_SHADER_SAMPLER_VIEWS];
191
192 unsigned dump_fs : 1;
193 unsigned dump_gs : 1;
194 unsigned no_rast : 1;
195 };
196
197
198 static INLINE struct softpipe_context *
199 softpipe_context( struct pipe_context *pipe )
200 {
201 return (struct softpipe_context *)pipe;
202 }
203
204
205 struct pipe_context *
206 softpipe_create_context( struct pipe_screen *, void *priv );
207
208 struct pipe_resource *
209 softpipe_user_buffer_create(struct pipe_screen *screen,
210 void *ptr,
211 unsigned bytes,
212 unsigned bind_flags);
213
214 #define SP_UNREFERENCED 0
215 #define SP_REFERENCED_FOR_READ (1 << 0)
216 #define SP_REFERENCED_FOR_WRITE (1 << 1)
217
218 unsigned int
219 softpipe_is_resource_referenced( struct pipe_context *pipe,
220 struct pipe_resource *texture,
221 unsigned level, int layer);
222
223 #endif /* SP_CONTEXT_H */