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