workbench/libs/mesa/src/gallium/drivers/softpipe/sp_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 SP_STATE_H
  32 #define SP_STATE_H
  33
  34 #include "pipe/p_state.h"
  35 #include "tgsi/tgsi_scan.h"
  36
  37
  38 #define SP_NEW_VIEWPORT      0x1
  39 #define SP_NEW_RASTERIZER    0x2
  40 #define SP_NEW_FS            0x4
  41 #define SP_NEW_BLEND         0x8
  42 #define SP_NEW_CLIP          0x10
  43 #define SP_NEW_SCISSOR       0x20
  44 #define SP_NEW_STIPPLE       0x40
  45 #define SP_NEW_FRAMEBUFFER   0x80
  46 #define SP_NEW_DEPTH_STENCIL_ALPHA 0x100
  47 #define SP_NEW_CONSTANTS     0x200
  48 #define SP_NEW_SAMPLER       0x400
  49 #define SP_NEW_TEXTURE       0x800
  50 #define SP_NEW_VERTEX        0x1000
  51 #define SP_NEW_VS            0x2000
  52 #define SP_NEW_QUERY         0x4000
  53 #define SP_NEW_GS            0x8000
  54 #define SP_NEW_SO            0x10000
  55 #define SP_NEW_SO_BUFFERS    0x20000
  56
  57
  58 struct tgsi_sampler;
  59 struct tgsi_exec_machine;
  60 struct vertex_info;
  61
  62
  63 /**
  64  * Subclass of pipe_shader_state (though it doesn't really need to be).
  65  *
  66  * This is starting to look an awful lot like a quad pipeline stage...
  67  */
  68 struct sp_fragment_shader {
  69    struct pipe_shader_state shader;
  70
  71    struct tgsi_shader_info info;
  72
  73    struct draw_fragment_shader *draw_shader;
  74
  75    boolean origin_lower_left; /**< fragment shader uses lower left position origin? */
  76    boolean pixel_center_integer; /**< fragment shader uses integer pixel center? */
  77    boolean color0_writes_all_cbufs; /**< fragment shader writes color0 to all bound cbufs */
  78    void (*prepare)( const struct sp_fragment_shader *shader,
  79                     struct tgsi_exec_machine *machine,
  80                     struct tgsi_sampler **samplers);
  81
  82    /* Run the shader - this interface will get cleaned up in the
  83     * future:
  84     */
  85    unsigned (*run)( const struct sp_fragment_shader *shader,
  86                     struct tgsi_exec_machine *machine,
  87                     struct quad_header *quad );
  88
  89
  90    void (*delete)( struct sp_fragment_shader * );
  91 };
  92
  93
  94 /** Subclass of pipe_shader_state */
  95 struct sp_vertex_shader {
  96    struct pipe_shader_state shader;
  97    struct draw_vertex_shader *draw_data;
  98    int max_sampler;             /* -1 if no samplers */
  99 };
 100
 101 /** Subclass of pipe_shader_state */
 102 struct sp_geometry_shader {
 103    struct pipe_shader_state shader;
 104    struct draw_geometry_shader *draw_data;
 105    int max_sampler;
 106 };
 107
 108 struct sp_velems_state {
 109    unsigned count;
 110    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 111 };
 112
 113 struct sp_so_state {
 114    struct pipe_stream_output_state base;
 115 };
 116
 117
 118 void
 119 softpipe_init_blend_funcs(struct pipe_context *pipe);
 120
 121 void
 122 softpipe_init_clip_funcs(struct pipe_context *pipe);
 123
 124 void
 125 softpipe_init_sampler_funcs(struct pipe_context *pipe);
 126
 127 void
 128 softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
 129
 130 void
 131 softpipe_init_shader_funcs(struct pipe_context *pipe);
 132
 133 void
 134 softpipe_init_streamout_funcs(struct pipe_context *pipe);
 135
 136 void
 137 softpipe_init_vertex_funcs(struct pipe_context *pipe);
 138
 139 void
 140 softpipe_set_framebuffer_state(struct pipe_context *,
 141                                const struct pipe_framebuffer_state *);
 142
 143 void
 144 softpipe_update_derived( struct softpipe_context *softpipe );
 145
 146 void
 147 softpipe_draw_vbo(struct pipe_context *pipe,
 148                   const struct pipe_draw_info *info);
 149
 150 void
 151 softpipe_draw_stream_output(struct pipe_context *pipe, unsigned mode);
 152
 153 void
 154 softpipe_map_transfers(struct softpipe_context *sp);
 155
 156 void
 157 softpipe_unmap_transfers(struct softpipe_context *sp);
 158
 159 void
 160 softpipe_map_texture_surfaces(struct softpipe_context *sp);
 161
 162 void
 163 softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
 164
 165
 166 struct vertex_info *
 167 softpipe_get_vertex_info(struct softpipe_context *softpipe);
 168
 169 struct vertex_info *
 170 softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
 171
 172
 173 #endif