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 #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    enum pipe_format zsbuf_format;
  70    unsigned nr_cbufs;
  71
  72    struct pipe_depth_state depth;
  73    struct pipe_alpha_state alpha;
  74    struct pipe_blend_state blend;
  75
  76    struct {
  77       ubyte colormask;
  78    } cbuf_blend[PIPE_MAX_COLOR_BUFS];
  79
  80    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  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_jit_frag_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
 123 void *
 124 llvmpipe_create_blend_state(struct pipe_context *,
 125                             const struct pipe_blend_state *);
 126 void llvmpipe_bind_blend_state(struct pipe_context *,
 127                                void *);
 128 void llvmpipe_delete_blend_state(struct pipe_context *,
 129                                  void *);
 130
 131 void *
 132 llvmpipe_create_sampler_state(struct pipe_context *,
 133                               const struct pipe_sampler_state *);
 134 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 135 void
 136 llvmpipe_bind_vertex_sampler_states(struct pipe_context *,
 137                                     unsigned num_samplers,
 138                                     void **samplers);
 139 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 140
 141 void *
 142 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 143                                     const struct pipe_depth_stencil_alpha_state *);
 144 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 145 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 146
 147 void *
 148 llvmpipe_create_rasterizer_state(struct pipe_context *,
 149                                  const struct pipe_rasterizer_state *);
 150 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 151 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 152
 153 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 154                              const struct pipe_framebuffer_state * );
 155
 156 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 157                                const struct pipe_blend_color *blend_color );
 158
 159 void llvmpipe_set_clip_state( struct pipe_context *,
 160                              const struct pipe_clip_state * );
 161
 162 void llvmpipe_set_constant_buffer(struct pipe_context *,
 163                                   uint shader, uint index,
 164                                   const struct pipe_constant_buffer *buf);
 165
 166 void *llvmpipe_create_fs_state(struct pipe_context *,
 167                                const struct pipe_shader_state *);
 168 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 169 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 170 void *llvmpipe_create_vs_state(struct pipe_context *,
 171                                const struct pipe_shader_state *);
 172 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 173 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 174
 175 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 176                                   const struct pipe_poly_stipple * );
 177
 178 void llvmpipe_set_scissor_state( struct pipe_context *,
 179                                  const struct pipe_scissor_state * );
 180
 181 void llvmpipe_set_sampler_textures( struct pipe_context *,
 182                                     unsigned num,
 183                                     struct pipe_texture ** );
 184
 185 void
 186 llvmpipe_set_vertex_sampler_textures(struct pipe_context *,
 187                                      unsigned num_textures,
 188                                      struct pipe_texture **);
 189
 190 void llvmpipe_set_viewport_state( struct pipe_context *,
 191                                   const struct pipe_viewport_state * );
 192
 193 void llvmpipe_set_vertex_elements(struct pipe_context *,
 194                                   unsigned count,
 195                                   const struct pipe_vertex_element *);
 196
 197 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 198                                  unsigned count,
 199                                  const struct pipe_vertex_buffer *);
 200
 201 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 202
 203 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 204
 205
 206 void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 207                              unsigned start, unsigned count);
 208
 209 void llvmpipe_draw_elements(struct pipe_context *pipe,
 210                                struct pipe_buffer *indexBuffer,
 211                                unsigned indexSize,
 212                                unsigned mode, unsigned start, unsigned count);
 213 void
 214 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 215                              struct pipe_buffer *indexBuffer,
 216                              unsigned indexSize,
 217                              unsigned min_index,
 218                              unsigned max_index,
 219                              unsigned mode, unsigned start, unsigned count);
 220
 221 void
 222 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 223
 224 void
 225 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 226
 227
 228 #endif