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_variant_key key;
  89
  90    LLVMValueRef function[2];
  91
  92    lp_jit_frag_func jit_function[2];
  93
  94    struct lp_fragment_shader_variant *next;
  95 };
  96
  97
  98 /**
  99  * Subclass of pipe_shader_state (though it doesn't really need to be).
 100  *
 101  * This is starting to look an awful lot like a quad pipeline stage...
 102  */
 103 struct lp_fragment_shader
 104 {
 105    struct pipe_shader_state base;
 106
 107    struct tgsi_shader_info info;
 108
 109    struct lp_fragment_shader_variant *variants;
 110 };
 111
 112
 113 /** Subclass of pipe_shader_state */
 114 struct lp_vertex_shader {
 115    struct pipe_shader_state shader;
 116    struct draw_vertex_shader *draw_data;
 117 };
 118
 119 struct lp_velems_state {
 120    unsigned count;
 121    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 122 };
 123
 124
 125 void *
 126 llvmpipe_create_rasterizer_state(struct pipe_context *,
 127                                  const struct pipe_rasterizer_state *);
 128 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 129 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 130
 131 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 132                                      const struct pipe_framebuffer_state * );
 133
 134 void llvmpipe_update_fs(struct llvmpipe_context *lp);
 135
 136 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 137
 138
 139 void
 140 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 141
 142 void
 143 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 144
 145
 146 void
 147 llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe);
 148
 149 void
 150 llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe);
 151
 152 void
 153 llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe);
 154
 155 void
 156 llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe);
 157
 158 void
 159 llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe);
 160
 161 void
 162 llvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe);
 163
 164 void
 165 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe);
 166
 167
 168 #endif