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 tgsi_sampler;
  61 struct vertex_info;
  62 struct pipe_context;
  63 struct llvmpipe_context;
  64
  65 struct lp_fragment_shader;
  66
  67
  68 struct lp_fragment_shader_variant_key
  69 {
  70    enum pipe_format zsbuf_format;
  71    struct pipe_depth_state depth;
  72    struct pipe_alpha_state alpha;
  73    struct pipe_blend_state blend;
  74
  75    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  76 };
  77
  78
  79 struct lp_fragment_shader_variant
  80 {
  81    struct lp_fragment_shader *shader;
  82
  83    struct lp_fragment_shader_variant_key key;
  84
  85    LLVMValueRef function;
  86
  87    lp_jit_frag_func jit_function;
  88
  89    struct lp_fragment_shader_variant *next;
  90 };
  91
  92
  93 /**
  94  * Subclass of pipe_shader_state (though it doesn't really need to be).
  95  *
  96  * This is starting to look an awful lot like a quad pipeline stage...
  97  */
  98 struct lp_fragment_shader
  99 {
 100    struct pipe_shader_state base;
 101
 102    struct tgsi_shader_info info;
 103
 104    struct lp_fragment_shader_variant *variants;
 105
 106    struct lp_fragment_shader_variant *current;
 107 };
 108
 109
 110 /** Subclass of pipe_shader_state */
 111 struct lp_vertex_shader {
 112    struct pipe_shader_state shader;
 113    struct draw_vertex_shader *draw_data;
 114 };
 115
 116
 117
 118 void *
 119 llvmpipe_create_blend_state(struct pipe_context *,
 120                             const struct pipe_blend_state *);
 121 void llvmpipe_bind_blend_state(struct pipe_context *,
 122                                void *);
 123 void llvmpipe_delete_blend_state(struct pipe_context *,
 124                                  void *);
 125
 126 void *
 127 llvmpipe_create_sampler_state(struct pipe_context *,
 128                               const struct pipe_sampler_state *);
 129 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 130 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 131
 132 void *
 133 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 134                                     const struct pipe_depth_stencil_alpha_state *);
 135 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 136 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 137
 138 void *
 139 llvmpipe_create_rasterizer_state(struct pipe_context *,
 140                                  const struct pipe_rasterizer_state *);
 141 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 142 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 143
 144 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 145                              const struct pipe_framebuffer_state * );
 146
 147 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 148                                const struct pipe_blend_color *blend_color );
 149
 150 void llvmpipe_set_clip_state( struct pipe_context *,
 151                              const struct pipe_clip_state * );
 152
 153 void llvmpipe_set_constant_buffer(struct pipe_context *,
 154                                   uint shader, uint index,
 155                                   const struct pipe_constant_buffer *buf);
 156
 157 void *llvmpipe_create_fs_state(struct pipe_context *,
 158                                const struct pipe_shader_state *);
 159 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 160 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 161 void *llvmpipe_create_vs_state(struct pipe_context *,
 162                                const struct pipe_shader_state *);
 163 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 164 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 165
 166 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 167                                   const struct pipe_poly_stipple * );
 168
 169 void llvmpipe_set_scissor_state( struct pipe_context *,
 170                                  const struct pipe_scissor_state * );
 171
 172 void llvmpipe_set_sampler_textures( struct pipe_context *,
 173                                     unsigned num,
 174                                     struct pipe_texture ** );
 175
 176 void llvmpipe_set_viewport_state( struct pipe_context *,
 177                                   const struct pipe_viewport_state * );
 178
 179 void llvmpipe_set_vertex_elements(struct pipe_context *,
 180                                   unsigned count,
 181                                   const struct pipe_vertex_element *);
 182
 183 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 184                                  unsigned count,
 185                                  const struct pipe_vertex_buffer *);
 186
 187 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 188
 189 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 190
 191
 192 boolean llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 193                              unsigned start, unsigned count);
 194
 195 boolean llvmpipe_draw_elements(struct pipe_context *pipe,
 196                                struct pipe_buffer *indexBuffer,
 197                                unsigned indexSize,
 198                                unsigned mode, unsigned start, unsigned count);
 199 boolean
 200 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 201                              struct pipe_buffer *indexBuffer,
 202                              unsigned indexSize,
 203                              unsigned min_index,
 204                              unsigned max_index,
 205                              unsigned mode, unsigned start, unsigned count);
 206
 207 void
 208 llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
 209
 210
 211 void
 212 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 213
 214 void
 215 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 216
 217
 218 #endif