src/gallium/drivers/llvmpipe/lp_setup.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 #ifndef LP_SETUP_H
  28 #define LP_SETUP_H
  29
  30 #include "pipe/p_compiler.h"
  31 #include "lp_jit.h"
  32
  33 struct draw_context;
  34 struct vertex_info;
  35
  36 enum lp_interp {
  37    LP_INTERP_CONSTANT,
  38    LP_INTERP_LINEAR,
  39    LP_INTERP_PERSPECTIVE,
  40    LP_INTERP_POSITION,
  41    LP_INTERP_FACING
  42 };
  43
  44
  45 /**
  46  * Describes how to compute the interpolation coefficients (a0, dadx, dady)
  47  * from the vertices passed into our triangle/line/point functions by the
  48  * draw module.
  49  *
  50  * Vertices are treated as an array of float[4] values, indexed by
  51  * src_index.
  52  */
  53 struct lp_shader_input {
  54    enum lp_interp interp;       /* how to interpolate values */
  55    unsigned src_index;          /* where to find values in incoming vertices */
  56    unsigned usage_mask;         /* bitmask of TGSI_WRITEMASK_x flags */
  57 };
  58
  59 struct pipe_resource;
  60 struct pipe_query;
  61 struct pipe_surface;
  62 struct pipe_blend_color;
  63 struct pipe_screen;
  64 struct pipe_framebuffer_state;
  65 struct lp_fragment_shader_variant;
  66 struct lp_jit_context;
  67 struct llvmpipe_query;
  68
  69
  70 struct lp_setup_context *
  71 lp_setup_create( struct pipe_context *pipe,
  72                  struct draw_context *draw );
  73
  74 void
  75 lp_setup_clear(struct lp_setup_context *setup,
  76                const float *clear_color,
  77                double clear_depth,
  78                unsigned clear_stencil,
  79                unsigned flags);
  80
  81 struct pipe_fence_handle *
  82 lp_setup_fence( struct lp_setup_context *setup );
  83
  84
  85 void
  86 lp_setup_flush( struct lp_setup_context *setup,
  87                 unsigned flags,
  88                 struct pipe_fence_handle **fence,
  89                 const char *reason);
  90
  91
  92 void
  93 lp_setup_bind_framebuffer( struct lp_setup_context *setup,
  94                            const struct pipe_framebuffer_state *fb );
  95
  96 void
  97 lp_setup_set_triangle_state( struct lp_setup_context *setup,
  98                              unsigned cullmode,
  99                              boolean front_is_ccw,
 100                              boolean scissor,
 101                              boolean gl_rasterization_rules );
 102
 103 void
 104 lp_setup_set_line_state( struct lp_setup_context *setup,
 105                          float line_width);
 106
 107 void
 108 lp_setup_set_point_state( struct lp_setup_context *setup,
 109                           float point_size);
 110
 111 void
 112 lp_setup_set_fs_inputs( struct lp_setup_context *setup,
 113                         const struct lp_shader_input *interp,
 114                         unsigned nr );
 115
 116 void
 117 lp_setup_set_fs_variant( struct lp_setup_context *setup,
 118                          struct lp_fragment_shader_variant *variant );
 119
 120 void
 121 lp_setup_set_fs_constants(struct lp_setup_context *setup,
 122                           struct pipe_resource *buffer);
 123
 124
 125 void
 126 lp_setup_set_alpha_ref_value( struct lp_setup_context *setup,
 127                               float alpha_ref_value );
 128
 129 void
 130 lp_setup_set_stencil_ref_values( struct lp_setup_context *setup,
 131                                  const ubyte refs[2] );
 132
 133 void
 134 lp_setup_set_blend_color( struct lp_setup_context *setup,
 135                           const struct pipe_blend_color *blend_color );
 136
 137 void
 138 lp_setup_set_scissor( struct lp_setup_context *setup,
 139                       const struct pipe_scissor_state *scissor );
 140
 141 void
 142 lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
 143                                     unsigned num,
 144                                     struct pipe_sampler_view **views);
 145
 146 unsigned
 147 lp_setup_is_resource_referenced( const struct lp_setup_context *setup,
 148                                 const struct pipe_resource *texture );
 149
 150 void
 151 lp_setup_set_flatshade_first( struct lp_setup_context *setup,
 152                               boolean flatshade_first );
 153
 154 void
 155 lp_setup_set_vertex_info( struct lp_setup_context *setup,
 156                           struct vertex_info *info );
 157
 158 void
 159 lp_setup_begin_query(struct lp_setup_context *setup,
 160                      struct llvmpipe_query *pq);
 161
 162 void
 163 lp_setup_end_query(struct lp_setup_context *setup,
 164                    struct llvmpipe_query *pq);
 165
 166 #endif