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 #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
  58
  59 struct tgsi_sampler;
  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    enum pipe_format zsbuf_format;
  70    struct pipe_depth_state depth;
  71    struct pipe_alpha_state alpha;
  72    struct pipe_blend_state blend;
  73
  74    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  75 };
  76
  77
  78 struct lp_fragment_shader_variant
  79 {
  80    struct lp_fragment_shader *shader;
  81
  82    struct lp_fragment_shader_variant_key key;
  83
  84    LLVMValueRef function;
  85
  86    lp_jit_frag_func jit_function;
  87
  88    struct lp_fragment_shader_variant *next;
  89 };
  90
  91
  92 /**
  93  * Subclass of pipe_shader_state (though it doesn't really need to be).
  94  *
  95  * This is starting to look an awful lot like a quad pipeline stage...
  96  */
  97 struct lp_fragment_shader
  98 {
  99    struct pipe_shader_state base;
 100
 101    struct tgsi_shader_info info;
 102
 103    struct lp_fragment_shader_variant *variants;
 104
 105    struct lp_fragment_shader_variant *current;
 106 };
 107
 108
 109 /** Subclass of pipe_shader_state */
 110 struct lp_vertex_shader {
 111    struct pipe_shader_state shader;
 112    struct draw_vertex_shader *draw_data;
 113 };
 114
 115
 116
 117 void *
 118 llvmpipe_create_blend_state(struct pipe_context *,
 119                             const struct pipe_blend_state *);
 120 void llvmpipe_bind_blend_state(struct pipe_context *,
 121                                void *);
 122 void llvmpipe_delete_blend_state(struct pipe_context *,
 123                                  void *);
 124
 125 void *
 126 llvmpipe_create_sampler_state(struct pipe_context *,
 127                               const struct pipe_sampler_state *);
 128 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 129 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 130
 131 void *
 132 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 133                                     const struct pipe_depth_stencil_alpha_state *);
 134 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 135 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 136
 137 void *
 138 llvmpipe_create_rasterizer_state(struct pipe_context *,
 139                                  const struct pipe_rasterizer_state *);
 140 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 141 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 142
 143 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 144                              const struct pipe_framebuffer_state * );
 145
 146 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 147                                const struct pipe_blend_color *blend_color );
 148
 149 void llvmpipe_set_clip_state( struct pipe_context *,
 150                              const struct pipe_clip_state * );
 151
 152 void llvmpipe_set_constant_buffer(struct pipe_context *,
 153                                   uint shader, uint index,
 154                                   const struct pipe_constant_buffer *buf);
 155
 156 void *llvmpipe_create_fs_state(struct pipe_context *,
 157                                const struct pipe_shader_state *);
 158 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 159 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 160 void *llvmpipe_create_vs_state(struct pipe_context *,
 161                                const struct pipe_shader_state *);
 162 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 163 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 164
 165 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 166                                   const struct pipe_poly_stipple * );
 167
 168 void llvmpipe_set_scissor_state( struct pipe_context *,
 169                                  const struct pipe_scissor_state * );
 170
 171 void llvmpipe_set_sampler_textures( struct pipe_context *,
 172                                     unsigned num,
 173                                     struct pipe_texture ** );
 174
 175 void llvmpipe_set_viewport_state( struct pipe_context *,
 176                                   const struct pipe_viewport_state * );
 177
 178 void llvmpipe_set_vertex_elements(struct pipe_context *,
 179                                   unsigned count,
 180                                   const struct pipe_vertex_element *);
 181
 182 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 183                                  unsigned count,
 184                                  const struct pipe_vertex_buffer *);
 185
 186 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 187
 188 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 189
 190
 191 boolean llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 192                              unsigned start, unsigned count);
 193
 194 boolean llvmpipe_draw_elements(struct pipe_context *pipe,
 195                                struct pipe_buffer *indexBuffer,
 196                                unsigned indexSize,
 197                                unsigned mode, unsigned start, unsigned count);
 198 boolean
 199 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 200                              struct pipe_buffer *indexBuffer,
 201                              unsigned indexSize,
 202                              unsigned min_index,
 203                              unsigned max_index,
 204                              unsigned mode, unsigned start, unsigned count);
 205
 206 void
 207 llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
 208
 209
 210 void
 211 llvmpipe_map_transfers(struct llvmpipe_context *lp);
 212
 213 void
 214 llvmpipe_unmap_transfers(struct llvmpipe_context *lp);
 215
 216 void
 217 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 218
 219 void
 220 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 221
 222
 223 struct vertex_info *
 224 llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe);
 225
 226 struct vertex_info *
 227 llvmpipe_get_vbuf_vertex_info(struct llvmpipe_context *llvmpipe);
 228
 229
 230 #endif