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
  77    struct {
  78       ubyte colormask;
  79    } cbuf_blend[PIPE_MAX_COLOR_BUFS];
  80
  81    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  82 };
  83
  84
  85 struct lp_fragment_shader_variant
  86 {
  87    struct lp_fragment_shader_variant_key key;
  88
  89    LLVMValueRef function[2];
  90
  91    lp_jit_frag_func jit_function[2];
  92
  93    struct lp_fragment_shader_variant *next;
  94 };
  95
  96
  97 /** Subclass of pipe_shader_state */
  98 struct lp_fragment_shader
  99 {
 100    struct pipe_shader_state base;
 101
 102    struct tgsi_shader_info info;
 103
 104    struct lp_fragment_shader_variant *variants;
 105 };
 106
 107
 108 /** Subclass of pipe_shader_state */
 109 struct lp_vertex_shader
 110 {
 111    struct pipe_shader_state shader;
 112    struct draw_vertex_shader *draw_data;
 113 };
 114
 115
 116 /** Vertex element state */
 117 struct lp_velems_state
 118 {
 119    unsigned count;
 120    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 121 };
 122
 123
 124 void
 125 llvmpipe_set_framebuffer_state(struct pipe_context *,
 126                                const struct pipe_framebuffer_state *);
 127
 128 void
 129 llvmpipe_update_fs(struct llvmpipe_context *lp);
 130
 131 void
 132 llvmpipe_update_derived(struct llvmpipe_context *llvmpipe);
 133
 134 void
 135 llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe);
 136
 137 void
 138 llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe);
 139
 140 void
 141 llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe);
 142
 143 void
 144 llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe);
 145
 146 void
 147 llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe);
 148
 149 void
 150 llvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe);
 151
 152 void
 153 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe);
 154
 155 void
 156 llvmpipe_init_rasterizer_funcs(struct llvmpipe_context *llvmpipe);
 157
 158
 159 #endif