llvmpipe: implement scissor testing
[mesa.git] / src / gallium / drivers / llvmpipe / lp_state.h
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
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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 *
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19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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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 "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
60 struct vertex_info;
61 struct pipe_context;
62 struct llvmpipe_context;
63
64 struct lp_fragment_shader;
65
66
67 struct 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
85 struct lp_fragment_shader_variant
86 {
87 struct lp_fragment_shader *shader;
88
89 struct lp_fragment_shader_variant_key key;
90
91 LLVMValueRef function;
92
93 lp_jit_frag_func jit_function;
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 */
104 struct 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 */
117 struct lp_vertex_shader {
118 struct pipe_shader_state shader;
119 struct draw_vertex_shader *draw_data;
120 };
121
122
123
124 void *
125 llvmpipe_create_blend_state(struct pipe_context *,
126 const struct pipe_blend_state *);
127 void llvmpipe_bind_blend_state(struct pipe_context *,
128 void *);
129 void llvmpipe_delete_blend_state(struct pipe_context *,
130 void *);
131
132 void *
133 llvmpipe_create_sampler_state(struct pipe_context *,
134 const struct pipe_sampler_state *);
135 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
136 void
137 llvmpipe_bind_vertex_sampler_states(struct pipe_context *,
138 unsigned num_samplers,
139 void **samplers);
140 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
141
142 void *
143 llvmpipe_create_depth_stencil_state(struct pipe_context *,
144 const struct pipe_depth_stencil_alpha_state *);
145 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
146 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
147
148 void *
149 llvmpipe_create_rasterizer_state(struct pipe_context *,
150 const struct pipe_rasterizer_state *);
151 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
152 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
153
154 void llvmpipe_set_framebuffer_state( struct pipe_context *,
155 const struct pipe_framebuffer_state * );
156
157 void llvmpipe_set_blend_color( struct pipe_context *pipe,
158 const struct pipe_blend_color *blend_color );
159
160 void llvmpipe_set_clip_state( struct pipe_context *,
161 const struct pipe_clip_state * );
162
163 void llvmpipe_set_constant_buffer(struct pipe_context *,
164 uint shader, uint index,
165 const struct pipe_constant_buffer *buf);
166
167 void *llvmpipe_create_fs_state(struct pipe_context *,
168 const struct pipe_shader_state *);
169 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
170 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
171 void *llvmpipe_create_vs_state(struct pipe_context *,
172 const struct pipe_shader_state *);
173 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
174 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
175
176 void llvmpipe_set_polygon_stipple( struct pipe_context *,
177 const struct pipe_poly_stipple * );
178
179 void llvmpipe_set_scissor_state( struct pipe_context *,
180 const struct pipe_scissor_state * );
181
182 void llvmpipe_set_sampler_textures( struct pipe_context *,
183 unsigned num,
184 struct pipe_texture ** );
185
186 void
187 llvmpipe_set_vertex_sampler_textures(struct pipe_context *,
188 unsigned num_textures,
189 struct pipe_texture **);
190
191 void llvmpipe_set_viewport_state( struct pipe_context *,
192 const struct pipe_viewport_state * );
193
194 void llvmpipe_set_vertex_elements(struct pipe_context *,
195 unsigned count,
196 const struct pipe_vertex_element *);
197
198 void llvmpipe_set_vertex_buffers(struct pipe_context *,
199 unsigned count,
200 const struct pipe_vertex_buffer *);
201
202 void llvmpipe_update_fs(struct llvmpipe_context *lp);
203
204 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
205
206
207 void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
208 unsigned start, unsigned count);
209
210 void llvmpipe_draw_elements(struct pipe_context *pipe,
211 struct pipe_buffer *indexBuffer,
212 unsigned indexSize,
213 unsigned mode, unsigned start, unsigned count);
214 void
215 llvmpipe_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
222 void
223 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
224
225 void
226 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
227
228
229 #endif