src/gallium/drivers/llvmpipe/lp_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 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
  39
  40 #define LP_NEW_VIEWPORT      0x1
  41 #define LP_NEW_RASTERIZER    0x2
  42 #define LP_NEW_FS            0x4
  43 #define LP_NEW_BLEND         0x8
  44 #define LP_NEW_CLIP          0x10
  45 #define LP_NEW_SCISSOR       0x20
  46 #define LP_NEW_STIPPLE       0x40
  47 #define LP_NEW_FRAMEBUFFER   0x80
  48 #define LP_NEW_DEPTH_STENCIL_ALPHA 0x100
  49 #define LP_NEW_CONSTANTS     0x200
  50 #define LP_NEW_SAMPLER       0x400
  51 #define LP_NEW_TEXTURE       0x800
  52 #define LP_NEW_VERTEX        0x1000
  53 #define LP_NEW_VS            0x2000
  54 #define LP_NEW_QUERY         0x4000
  55
  56
  57 struct tgsi_sampler;
  58 struct vertex_info;
  59
  60
  61 typedef void
  62 (*lp_shader_fs_func)(uint32_t x,
  63                      uint32_t y,
  64                      const void *a0,
  65                      const void *dadx,
  66                      const void *dady,
  67                      const void *consts,
  68                      uint32_t *mask,
  69                      void *color,
  70                      void *depth,
  71                      struct tgsi_sampler **samplers);
  72
  73
  74 struct lp_fragment_shader;
  75
  76
  77 struct lp_fragment_shader_variant_key
  78 {
  79    struct pipe_depth_state depth;
  80    struct pipe_alpha_state alpha;
  81 };
  82
  83
  84 struct lp_fragment_shader_variant
  85 {
  86    struct lp_fragment_shader *shader;
  87
  88    struct lp_fragment_shader_variant_key key;
  89
  90    LLVMValueRef function;
  91
  92    lp_shader_fs_func jit_function;
  93
  94    struct lp_fragment_shader_variant *next;
  95 };
  96
  97
  98 /**
  99  * Subclass of pipe_shader_state (though it doesn't really need to be).
 100  *
 101  * This is starting to look an awful lot like a quad pipeline stage...
 102  */
 103 struct lp_fragment_shader
 104 {
 105    struct pipe_shader_state base;
 106
 107    struct tgsi_shader_info info;
 108
 109    struct lp_fragment_shader_variant *variants;
 110
 111    struct lp_fragment_shader_variant *current;
 112 };
 113
 114
 115 /** Subclass of pipe_shader_state */
 116 struct lp_vertex_shader {
 117    struct pipe_shader_state shader;
 118    struct draw_vertex_shader *draw_data;
 119 };
 120
 121
 122 typedef void
 123 (*lp_blend_func)(const uint8_t *mask,
 124                  const uint8_t *src,
 125                  const uint8_t *con,
 126                  uint8_t *dst);
 127
 128
 129 struct lp_blend_state
 130 {
 131    struct pipe_blend_state base;
 132
 133    LLVMValueRef function;
 134
 135    lp_blend_func jit_function;
 136 };
 137
 138
 139
 140 void *
 141 llvmpipe_create_blend_state(struct pipe_context *,
 142                             const struct pipe_blend_state *);
 143 void llvmpipe_bind_blend_state(struct pipe_context *,
 144                                void *);
 145 void llvmpipe_delete_blend_state(struct pipe_context *,
 146                                  void *);
 147
 148 void *
 149 llvmpipe_create_sampler_state(struct pipe_context *,
 150                               const struct pipe_sampler_state *);
 151 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 152 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 153
 154 void *
 155 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 156                                     const struct pipe_depth_stencil_alpha_state *);
 157 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 158 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 159
 160 void *
 161 llvmpipe_create_rasterizer_state(struct pipe_context *,
 162                                  const struct pipe_rasterizer_state *);
 163 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 164 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 165
 166 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 167                              const struct pipe_framebuffer_state * );
 168
 169 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 170                                const struct pipe_blend_color *blend_color );
 171
 172 void llvmpipe_set_clip_state( struct pipe_context *,
 173                              const struct pipe_clip_state * );
 174
 175 void llvmpipe_set_constant_buffer(struct pipe_context *,
 176                                   uint shader, uint index,
 177                                   const struct pipe_constant_buffer *buf);
 178
 179 void *llvmpipe_create_fs_state(struct pipe_context *,
 180                                const struct pipe_shader_state *);
 181 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 182 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 183 void *llvmpipe_create_vs_state(struct pipe_context *,
 184                                const struct pipe_shader_state *);
 185 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 186 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 187
 188 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 189                                   const struct pipe_poly_stipple * );
 190
 191 void llvmpipe_set_scissor_state( struct pipe_context *,
 192                                  const struct pipe_scissor_state * );
 193
 194 void llvmpipe_set_sampler_textures( struct pipe_context *,
 195                                     unsigned num,
 196                                     struct pipe_texture ** );
 197
 198 void llvmpipe_set_viewport_state( struct pipe_context *,
 199                                   const struct pipe_viewport_state * );
 200
 201 void llvmpipe_set_vertex_elements(struct pipe_context *,
 202                                   unsigned count,
 203                                   const struct pipe_vertex_element *);
 204
 205 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 206                                  unsigned count,
 207                                  const struct pipe_vertex_buffer *);
 208
 209 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 210
 211 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 212
 213
 214 boolean llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 215                              unsigned start, unsigned count);
 216
 217 boolean llvmpipe_draw_elements(struct pipe_context *pipe,
 218                                struct pipe_buffer *indexBuffer,
 219                                unsigned indexSize,
 220                                unsigned mode, unsigned start, unsigned count);
 221 boolean
 222 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 223                              struct pipe_buffer *indexBuffer,
 224                              unsigned indexSize,
 225                              unsigned min_index,
 226                              unsigned max_index,
 227                              unsigned mode, unsigned start, unsigned count);
 228
 229 void
 230 llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
 231
 232
 233 void
 234 llvmpipe_map_transfers(struct llvmpipe_context *lp);
 235
 236 void
 237 llvmpipe_unmap_transfers(struct llvmpipe_context *lp);
 238
 239 void
 240 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 241
 242 void
 243 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 244
 245
 246 struct vertex_info *
 247 llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe);
 248
 249 struct vertex_info *
 250 llvmpipe_get_vbuf_vertex_info(struct llvmpipe_context *llvmpipe);
 251
 252
 253 #endif