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 "pipe/p_state.h"
  35 #include "tgsi/tgsi_scan.h"
  36 #include "lp_jit.h"
  37 #include "gallivm/lp_bld.h"
  38 #include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
  39
  40
  41 #define LP_NEW_VIEWPORT      0x1
  42 #define LP_NEW_RASTERIZER    0x2
  43 #define LP_NEW_FS            0x4
  44 #define LP_NEW_BLEND         0x8
  45 #define LP_NEW_CLIP          0x10
  46 #define LP_NEW_SCISSOR       0x20
  47 #define LP_NEW_STIPPLE       0x40
  48 #define LP_NEW_FRAMEBUFFER   0x80
  49 #define LP_NEW_DEPTH_STENCIL_ALPHA 0x100
  50 #define LP_NEW_CONSTANTS     0x200
  51 #define LP_NEW_SAMPLER       0x400
  52 #define LP_NEW_SAMPLER_VIEW  0x800
  53 #define LP_NEW_VERTEX        0x1000
  54 #define LP_NEW_VS            0x2000
  55 #define LP_NEW_QUERY         0x4000
  56 #define LP_NEW_BLEND_COLOR   0x8000
  57
  58
  59 struct vertex_info;
  60 struct pipe_context;
  61 struct llvmpipe_context;
  62
  63 struct lp_fragment_shader;
  64
  65
  66 struct lp_fragment_shader_variant_key
  67 {
  68    struct pipe_depth_state depth;
  69    struct pipe_stencil_state stencil[2];
  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    unsigned occlusion_count: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 /** Subclass of pipe_shader_state */
  99 struct lp_fragment_shader
 100 {
 101    struct pipe_shader_state base;
 102
 103    struct tgsi_shader_info info;
 104
 105    struct lp_fragment_shader_variant *variants;
 106 };
 107
 108
 109 /** Subclass of pipe_shader_state */
 110 struct lp_vertex_shader
 111 {
 112    struct pipe_shader_state shader;
 113    struct draw_vertex_shader *draw_data;
 114 };
 115
 116
 117 /** Vertex element state */
 118 struct lp_velems_state
 119 {
 120    unsigned count;
 121    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 122 };
 123
 124
 125 void
 126 llvmpipe_set_framebuffer_state(struct pipe_context *,
 127                                const struct pipe_framebuffer_state *);
 128
 129 void
 130 llvmpipe_update_fs(struct llvmpipe_context *lp);
 131
 132 void
 133 llvmpipe_update_derived(struct llvmpipe_context *llvmpipe);
 134
 135 void
 136 llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe);
 137
 138 void
 139 llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe);
 140
 141 void
 142 llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe);
 143
 144 void
 145 llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe);
 146
 147 void
 148 llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe);
 149
 150 void
 151 llvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe);
 152
 153 void
 154 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe);
 155
 156 void
 157 llvmpipe_init_rasterizer_funcs(struct llvmpipe_context *llvmpipe);
 158
 159
 160 #endif