lp_state.h revision c61bf363937f40624a5632745630d4f2b9907082 
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_STATE_H
32#define LP_STATE_H
33
34#include <llvm-c/Core.h>
35
36#include "pipe/p_state.h"
37#include "tgsi/tgsi_scan.h"
38#include "lp_jit.h"
39#include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
40
41
42#define LP_NEW_VIEWPORT      0x1
43#define LP_NEW_RASTERIZER    0x2
44#define LP_NEW_FS            0x4
45#define LP_NEW_BLEND         0x8
46#define LP_NEW_CLIP          0x10
47#define LP_NEW_SCISSOR       0x20
48#define LP_NEW_STIPPLE       0x40
49#define LP_NEW_FRAMEBUFFER   0x80
50#define LP_NEW_DEPTH_STENCIL_ALPHA 0x100
51#define LP_NEW_CONSTANTS     0x200
52#define LP_NEW_SAMPLER       0x400
53#define LP_NEW_TEXTURE       0x800
54#define LP_NEW_VERTEX        0x1000
55#define LP_NEW_VS            0x2000
56#define LP_NEW_QUERY         0x4000
57#define LP_NEW_BLEND_COLOR   0x8000
58
59
60struct vertex_info;
61struct pipe_context;
62struct llvmpipe_context;
63
64struct lp_fragment_shader;
65
66
67struct lp_fragment_shader_variant_key
68{
69   struct pipe_depth_state depth;
70   struct pipe_alpha_state alpha;
71   struct pipe_blend_state blend;
72   enum pipe_format zsbuf_format;
73   unsigned nr_cbufs:8;
74   unsigned flatshade:1;
75   unsigned scissor:1;
76
77   struct {
78      ubyte colormask;
79   } cbuf_blend[PIPE_MAX_COLOR_BUFS];
80
81   struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
82};
83
84
85struct lp_fragment_shader_variant
86{
87   struct lp_fragment_shader *shader;
88
89   struct lp_fragment_shader_variant_key key;
90
91   LLVMValueRef function[2];
92
93   lp_jit_frag_func jit_function[2];
94
95   struct lp_fragment_shader_variant *next;
96};
97
98
99/**
100 * Subclass of pipe_shader_state (though it doesn't really need to be).
101 *
102 * This is starting to look an awful lot like a quad pipeline stage...
103 */
104struct lp_fragment_shader
105{
106   struct pipe_shader_state base;
107
108   struct tgsi_shader_info info;
109
110   struct lp_fragment_shader_variant *variants;
111
112   struct lp_fragment_shader_variant *current;
113};
114
115
116/** Subclass of pipe_shader_state */
117struct lp_vertex_shader {
118   struct pipe_shader_state shader;
119   struct draw_vertex_shader *draw_data;
120};
121
122
123
124void *
125llvmpipe_create_blend_state(struct pipe_context *,
126                            const struct pipe_blend_state *);
127void llvmpipe_bind_blend_state(struct pipe_context *,
128                               void *);
129void llvmpipe_delete_blend_state(struct pipe_context *,
130                                 void *);
131
132void *
133llvmpipe_create_sampler_state(struct pipe_context *,
134                              const struct pipe_sampler_state *);
135void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
136void
137llvmpipe_bind_vertex_sampler_states(struct pipe_context *,
138                                    unsigned num_samplers,
139                                    void **samplers);
140void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
141
142void *
143llvmpipe_create_depth_stencil_state(struct pipe_context *,
144                                    const struct pipe_depth_stencil_alpha_state *);
145void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
146void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
147
148void *
149llvmpipe_create_rasterizer_state(struct pipe_context *,
150                                 const struct pipe_rasterizer_state *);
151void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
152void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
153
154void llvmpipe_set_framebuffer_state( struct pipe_context *,
155			     const struct pipe_framebuffer_state * );
156
157void llvmpipe_set_blend_color( struct pipe_context *pipe,
158                               const struct pipe_blend_color *blend_color );
159
160void llvmpipe_set_clip_state( struct pipe_context *,
161			     const struct pipe_clip_state * );
162
163void llvmpipe_set_constant_buffer(struct pipe_context *,
164                                  uint shader, uint index,
165                                  struct pipe_buffer *buf);
166
167void *llvmpipe_create_fs_state(struct pipe_context *,
168                               const struct pipe_shader_state *);
169void llvmpipe_bind_fs_state(struct pipe_context *, void *);
170void llvmpipe_delete_fs_state(struct pipe_context *, void *);
171void *llvmpipe_create_vs_state(struct pipe_context *,
172                               const struct pipe_shader_state *);
173void llvmpipe_bind_vs_state(struct pipe_context *, void *);
174void llvmpipe_delete_vs_state(struct pipe_context *, void *);
175
176void llvmpipe_set_polygon_stipple( struct pipe_context *,
177				  const struct pipe_poly_stipple * );
178
179void llvmpipe_set_scissor_state( struct pipe_context *,
180                                 const struct pipe_scissor_state * );
181
182void llvmpipe_set_sampler_textures( struct pipe_context *,
183                                    unsigned num,
184                                    struct pipe_texture ** );
185
186void
187llvmpipe_set_vertex_sampler_textures(struct pipe_context *,
188                                     unsigned num_textures,
189                                     struct pipe_texture **);
190
191void llvmpipe_set_viewport_state( struct pipe_context *,
192                                  const struct pipe_viewport_state * );
193
194void llvmpipe_set_vertex_elements(struct pipe_context *,
195                                  unsigned count,
196                                  const struct pipe_vertex_element *);
197
198void llvmpipe_set_vertex_buffers(struct pipe_context *,
199                                 unsigned count,
200                                 const struct pipe_vertex_buffer *);
201
202void llvmpipe_update_fs(struct llvmpipe_context *lp);
203
204void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
205
206
207void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
208			     unsigned start, unsigned count);
209
210void llvmpipe_draw_elements(struct pipe_context *pipe,
211			       struct pipe_buffer *indexBuffer,
212			       unsigned indexSize,
213			       unsigned mode, unsigned start, unsigned count);
214void
215llvmpipe_draw_range_elements(struct pipe_context *pipe,
216                             struct pipe_buffer *indexBuffer,
217                             unsigned indexSize,
218                             unsigned min_index,
219                             unsigned max_index,
220                             unsigned mode, unsigned start, unsigned count);
221
222void
223llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
224
225void
226llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
227
228
229#endif
230