softpipe: support all TGSI fragment coord conventions (v4)
[mesa.git] / src / gallium / drivers / softpipe / sp_state.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_STATE_H
32 #define SP_STATE_H
33
34 #include "pipe/p_state.h"
35 #include "tgsi/tgsi_scan.h"
36
37
38 #define SP_NEW_VIEWPORT 0x1
39 #define SP_NEW_RASTERIZER 0x2
40 #define SP_NEW_FS 0x4
41 #define SP_NEW_BLEND 0x8
42 #define SP_NEW_CLIP 0x10
43 #define SP_NEW_SCISSOR 0x20
44 #define SP_NEW_STIPPLE 0x40
45 #define SP_NEW_FRAMEBUFFER 0x80
46 #define SP_NEW_DEPTH_STENCIL_ALPHA 0x100
47 #define SP_NEW_CONSTANTS 0x200
48 #define SP_NEW_SAMPLER 0x400
49 #define SP_NEW_TEXTURE 0x800
50 #define SP_NEW_VERTEX 0x1000
51 #define SP_NEW_VS 0x2000
52 #define SP_NEW_QUERY 0x4000
53 #define SP_NEW_GS 0x8000
54
55
56 struct tgsi_sampler;
57 struct tgsi_exec_machine;
58 struct vertex_info;
59
60
61 /**
62 * Subclass of pipe_shader_state (though it doesn't really need to be).
63 *
64 * This is starting to look an awful lot like a quad pipeline stage...
65 */
66 struct sp_fragment_shader {
67 struct pipe_shader_state shader;
68
69 struct tgsi_shader_info info;
70
71 boolean origin_lower_left; /**< fragment shader uses lower left position origin? */
72 boolean pixel_center_integer; /**< fragment shader uses integer pixel center? */
73
74 void (*prepare)( const struct sp_fragment_shader *shader,
75 struct tgsi_exec_machine *machine,
76 struct tgsi_sampler **samplers);
77
78 /* Run the shader - this interface will get cleaned up in the
79 * future:
80 */
81 unsigned (*run)( const struct sp_fragment_shader *shader,
82 struct tgsi_exec_machine *machine,
83 struct quad_header *quad );
84
85
86 void (*delete)( struct sp_fragment_shader * );
87 };
88
89
90 /** Subclass of pipe_shader_state */
91 struct sp_vertex_shader {
92 struct pipe_shader_state shader;
93 struct draw_vertex_shader *draw_data;
94 int max_sampler; /* -1 if no samplers */
95 };
96
97 /** Subclass of pipe_shader_state */
98 struct sp_geometry_shader {
99 struct pipe_shader_state shader;
100 struct draw_geometry_shader *draw_data;
101 };
102
103
104 void *
105 softpipe_create_blend_state(struct pipe_context *,
106 const struct pipe_blend_state *);
107 void softpipe_bind_blend_state(struct pipe_context *,
108 void *);
109 void softpipe_delete_blend_state(struct pipe_context *,
110 void *);
111
112 void *
113 softpipe_create_sampler_state(struct pipe_context *,
114 const struct pipe_sampler_state *);
115 void softpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
116 void
117 softpipe_bind_vertex_sampler_states(struct pipe_context *,
118 unsigned num_samplers,
119 void **samplers);
120 void softpipe_delete_sampler_state(struct pipe_context *, void *);
121
122 void *
123 softpipe_create_depth_stencil_state(struct pipe_context *,
124 const struct pipe_depth_stencil_alpha_state *);
125 void softpipe_bind_depth_stencil_state(struct pipe_context *, void *);
126 void softpipe_delete_depth_stencil_state(struct pipe_context *, void *);
127
128 void *
129 softpipe_create_rasterizer_state(struct pipe_context *,
130 const struct pipe_rasterizer_state *);
131 void softpipe_bind_rasterizer_state(struct pipe_context *, void *);
132 void softpipe_delete_rasterizer_state(struct pipe_context *, void *);
133
134 void softpipe_set_framebuffer_state( struct pipe_context *,
135 const struct pipe_framebuffer_state * );
136
137 void softpipe_set_blend_color( struct pipe_context *pipe,
138 const struct pipe_blend_color *blend_color );
139
140 void softpipe_set_clip_state( struct pipe_context *,
141 const struct pipe_clip_state * );
142
143 void softpipe_set_constant_buffer(struct pipe_context *,
144 uint shader, uint index,
145 struct pipe_buffer *buf);
146
147 void *softpipe_create_fs_state(struct pipe_context *,
148 const struct pipe_shader_state *);
149 void softpipe_bind_fs_state(struct pipe_context *, void *);
150 void softpipe_delete_fs_state(struct pipe_context *, void *);
151 void *softpipe_create_vs_state(struct pipe_context *,
152 const struct pipe_shader_state *);
153 void softpipe_bind_vs_state(struct pipe_context *, void *);
154 void softpipe_delete_vs_state(struct pipe_context *, void *);
155 void *softpipe_create_gs_state(struct pipe_context *,
156 const struct pipe_shader_state *);
157 void softpipe_bind_gs_state(struct pipe_context *, void *);
158 void softpipe_delete_gs_state(struct pipe_context *, void *);
159
160 void softpipe_set_polygon_stipple( struct pipe_context *,
161 const struct pipe_poly_stipple * );
162
163 void softpipe_set_scissor_state( struct pipe_context *,
164 const struct pipe_scissor_state * );
165
166 void softpipe_set_sampler_textures( struct pipe_context *,
167 unsigned num,
168 struct pipe_texture ** );
169
170 void
171 softpipe_set_vertex_sampler_textures(struct pipe_context *,
172 unsigned num_textures,
173 struct pipe_texture **);
174
175 void softpipe_set_viewport_state( struct pipe_context *,
176 const struct pipe_viewport_state * );
177
178 void softpipe_set_vertex_elements(struct pipe_context *,
179 unsigned count,
180 const struct pipe_vertex_element *);
181
182 void softpipe_set_vertex_buffers(struct pipe_context *,
183 unsigned count,
184 const struct pipe_vertex_buffer *);
185
186
187 void softpipe_update_derived( struct softpipe_context *softpipe );
188
189
190 void softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
191 unsigned start, unsigned count);
192
193 void softpipe_draw_elements(struct pipe_context *pipe,
194 struct pipe_buffer *indexBuffer,
195 unsigned indexSize,
196 unsigned mode, unsigned start, unsigned count);
197 void
198 softpipe_draw_range_elements(struct pipe_context *pipe,
199 struct pipe_buffer *indexBuffer,
200 unsigned indexSize,
201 unsigned min_index,
202 unsigned max_index,
203 unsigned mode, unsigned start, unsigned count);
204
205 void
206 softpipe_draw_arrays_instanced(struct pipe_context *pipe,
207 unsigned mode,
208 unsigned start,
209 unsigned count,
210 unsigned startInstance,
211 unsigned instanceCount);
212
213 void
214 softpipe_draw_elements_instanced(struct pipe_context *pipe,
215 struct pipe_buffer *indexBuffer,
216 unsigned indexSize,
217 unsigned mode,
218 unsigned start,
219 unsigned count,
220 unsigned startInstance,
221 unsigned instanceCount);
222
223 void
224 softpipe_map_transfers(struct softpipe_context *sp);
225
226 void
227 softpipe_unmap_transfers(struct softpipe_context *sp);
228
229 void
230 softpipe_map_texture_surfaces(struct softpipe_context *sp);
231
232 void
233 softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
234
235
236 struct vertex_info *
237 softpipe_get_vertex_info(struct softpipe_context *softpipe);
238
239 struct vertex_info *
240 softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
241
242
243 #endif