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 /* Describes how to generate all the fragment shader inputs from the
  45  * the vertices passed into our triangle/line/point functions.
  46  *
  47  * Vertices are treated as an array of float[4] values, indexed by
  48  * src_index.
  49  */
  50 struct lp_shader_input {
  51    enum lp_interp interp;       /* how to interpolate values */
  52    unsigned src_index;          /* where to find values in incoming vertices */
  53 };
  54
  55 struct pipe_texture;
  56 struct pipe_surface;
  57 struct pipe_buffer;
  58 struct pipe_blend_color;
  59 struct pipe_screen;
  60 struct pipe_framebuffer_state;
  61 struct lp_fragment_shader;
  62 struct lp_jit_context;
  63
  64 struct lp_setup_context *
  65 lp_setup_create( struct pipe_context *pipe,
  66                  struct draw_context *draw );
  67
  68 void
  69 lp_setup_clear(struct lp_setup_context *setup,
  70                const float *clear_color,
  71                double clear_depth,
  72                unsigned clear_stencil,
  73                unsigned flags);
  74
  75 struct pipe_fence_handle *
  76 lp_setup_fence( struct lp_setup_context *setup );
  77
  78
  79 void
  80 lp_setup_flush( struct lp_setup_context *setup,
  81                 unsigned flags );
  82
  83
  84 void
  85 lp_setup_bind_framebuffer( struct lp_setup_context *setup,
  86                            const struct pipe_framebuffer_state *fb );
  87
  88 void
  89 lp_setup_set_triangle_state( struct lp_setup_context *setup,
  90                              unsigned cullmode,
  91                              boolean front_is_ccw,
  92                              boolean scissor,
  93                              boolean gl_rasterization_rules );
  94
  95 void
  96 lp_setup_set_fs_inputs( struct lp_setup_context *setup,
  97                         const struct lp_shader_input *interp,
  98                         unsigned nr );
  99
 100 void
 101 lp_setup_set_fs_functions( struct lp_setup_context *setup,
 102                            lp_jit_frag_func jit_function0,
 103                            lp_jit_frag_func jit_function1,
 104                            boolean opaque );
 105
 106 void
 107 lp_setup_set_fs_constants(struct lp_setup_context *setup,
 108                           struct pipe_buffer *buffer);
 109
 110
 111 void
 112 lp_setup_set_alpha_ref_value( struct lp_setup_context *setup,
 113                               float alpha_ref_value );
 114
 115 void
 116 lp_setup_set_blend_color( struct lp_setup_context *setup,
 117                           const struct pipe_blend_color *blend_color );
 118
 119 void
 120 lp_setup_set_scissor( struct lp_setup_context *setup,
 121                       const struct pipe_scissor_state *scissor );
 122
 123 void
 124 lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
 125                                     unsigned num,
 126                                     struct pipe_sampler_view **views);
 127
 128 unsigned
 129 lp_setup_is_texture_referenced( const struct lp_setup_context *setup,
 130                                 const struct pipe_texture *texture );
 131
 132 void
 133 lp_setup_set_flatshade_first( struct lp_setup_context *setup,
 134                               boolean flatshade_first );
 135
 136 void
 137 lp_setup_set_vertex_info( struct lp_setup_context *setup,
 138                           struct vertex_info *info );
 139
 140
 141 #endif