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 "gallivm/lp_bld.h"
  35
  36 #include "pipe/p_state.h"
  37 #include "tgsi/tgsi_scan.h"
  38 #include "lp_jit.h"
  39 #include "gallivm/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_SAMPLER_VIEW  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_stencil_state stencil[2];
  71    struct pipe_alpha_state alpha;
  72    struct pipe_blend_state blend;
  73    enum pipe_format zsbuf_format;
  74    unsigned nr_cbufs:8;
  75    unsigned flatshade:1;
  76    unsigned scissor:1;
  77
  78    struct {
  79       ubyte colormask;
  80    } cbuf_blend[PIPE_MAX_COLOR_BUFS];
  81
  82    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  83 };
  84
  85
  86 struct lp_fragment_shader_variant
  87 {
  88    struct lp_fragment_shader *shader;
  89
  90    struct lp_fragment_shader_variant_key key;
  91
  92    LLVMValueRef function[2];
  93
  94    lp_jit_frag_func jit_function[2];
  95
  96    struct lp_fragment_shader_variant *next;
  97 };
  98
  99
 100 /**
 101  * Subclass of pipe_shader_state (though it doesn't really need to be).
 102  *
 103  * This is starting to look an awful lot like a quad pipeline stage...
 104  */
 105 struct lp_fragment_shader
 106 {
 107    struct pipe_shader_state base;
 108
 109    struct tgsi_shader_info info;
 110
 111    struct lp_fragment_shader_variant *variants;
 112
 113    struct lp_fragment_shader_variant *current;
 114 };
 115
 116
 117 /** Subclass of pipe_shader_state */
 118 struct lp_vertex_shader {
 119    struct pipe_shader_state shader;
 120    struct draw_vertex_shader *draw_data;
 121 };
 122
 123 struct lp_velems_state {
 124    unsigned count;
 125    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 126 };
 127
 128
 129 void *
 130 llvmpipe_create_blend_state(struct pipe_context *,
 131                             const struct pipe_blend_state *);
 132 void llvmpipe_bind_blend_state(struct pipe_context *,
 133                                void *);
 134 void llvmpipe_delete_blend_state(struct pipe_context *,
 135                                  void *);
 136
 137 void *
 138 llvmpipe_create_sampler_state(struct pipe_context *,
 139                               const struct pipe_sampler_state *);
 140 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 141 void
 142 llvmpipe_bind_vertex_sampler_states(struct pipe_context *,
 143                                     unsigned num_samplers,
 144                                     void **samplers);
 145 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 146
 147 void *
 148 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 149                                     const struct pipe_depth_stencil_alpha_state *);
 150 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 151 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 152
 153 void *
 154 llvmpipe_create_rasterizer_state(struct pipe_context *,
 155                                  const struct pipe_rasterizer_state *);
 156 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 157 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 158
 159 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 160                                      const struct pipe_framebuffer_state * );
 161
 162 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 163                                const struct pipe_blend_color *blend_color );
 164
 165 void llvmpipe_set_stencil_ref( struct pipe_context *pipe,
 166                                const struct pipe_stencil_ref *stencil_ref );
 167
 168 void llvmpipe_set_clip_state( struct pipe_context *,
 169                               const struct pipe_clip_state * );
 170
 171 void llvmpipe_set_constant_buffer(struct pipe_context *,
 172                                   uint shader, uint index,
 173                                   struct pipe_buffer *buf);
 174
 175 void *llvmpipe_create_fs_state(struct pipe_context *,
 176                                const struct pipe_shader_state *);
 177 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 178 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 179 void *llvmpipe_create_vs_state(struct pipe_context *,
 180                                const struct pipe_shader_state *);
 181 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 182 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 183
 184 void *llvmpipe_create_vertex_elements_state(struct pipe_context *,
 185                                             unsigned count,
 186                                             const struct pipe_vertex_element *);
 187 void llvmpipe_bind_vertex_elements_state(struct pipe_context *, void *);
 188 void llvmpipe_delete_vertex_elements_state(struct pipe_context *, void *);
 189
 190 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 191                                    const struct pipe_poly_stipple * );
 192
 193 void llvmpipe_set_scissor_state( struct pipe_context *,
 194                                  const struct pipe_scissor_state * );
 195
 196 void llvmpipe_set_fragment_sampler_views(struct pipe_context *,
 197                                          unsigned num,
 198                                          struct pipe_sampler_view **);
 199
 200 void
 201 llvmpipe_set_vertex_sampler_views(struct pipe_context *,
 202                                   unsigned num,
 203                                   struct pipe_sampler_view **);
 204
 205 struct pipe_sampler_view *
 206 llvmpipe_create_sampler_view(struct pipe_context *pipe,
 207                             struct pipe_texture *texture,
 208                             const struct pipe_sampler_view *templ);
 209
 210 void
 211 llvmpipe_sampler_view_destroy(struct pipe_context *pipe,
 212                               struct pipe_sampler_view *view);
 213
 214 void llvmpipe_set_viewport_state( struct pipe_context *,
 215                                   const struct pipe_viewport_state * );
 216
 217 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 218                                  unsigned count,
 219                                  const struct pipe_vertex_buffer *);
 220
 221 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 222
 223 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 224
 225
 226 void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 227                              unsigned start, unsigned count);
 228
 229 void llvmpipe_draw_elements(struct pipe_context *pipe,
 230                                struct pipe_buffer *indexBuffer,
 231                                unsigned indexSize,
 232                                unsigned mode, unsigned start, unsigned count);
 233 void
 234 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 235                              struct pipe_buffer *indexBuffer,
 236                              unsigned indexSize,
 237                              unsigned min_index,
 238                              unsigned max_index,
 239                              unsigned mode, unsigned start, unsigned count);
 240
 241 void
 242 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 243
 244 void
 245 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 246
 247
 248 #endif