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 <llvm-c/Core.h>
  35
  36 #include "pipe/p_state.h"
  37 #include "tgsi/tgsi_scan.h"
  38
  39
  40 #define LP_NEW_VIEWPORT      0x1
  41 #define LP_NEW_RASTERIZER    0x2
  42 #define LP_NEW_FS            0x4
  43 #define LP_NEW_BLEND         0x8
  44 #define LP_NEW_CLIP          0x10
  45 #define LP_NEW_SCISSOR       0x20
  46 #define LP_NEW_STIPPLE       0x40
  47 #define LP_NEW_FRAMEBUFFER   0x80
  48 #define LP_NEW_DEPTH_STENCIL_ALPHA 0x100
  49 #define LP_NEW_CONSTANTS     0x200
  50 #define LP_NEW_SAMPLER       0x400
  51 #define LP_NEW_TEXTURE       0x800
  52 #define LP_NEW_VERTEX        0x1000
  53 #define LP_NEW_VS            0x2000
  54 #define LP_NEW_QUERY         0x4000
  55
  56
  57 struct tgsi_sampler;
  58 struct tgsi_exec_machine;
  59 struct vertex_info;
  60
  61
  62 typedef void
  63 (*lp_shader_fs_func)(void *pos,
  64                      void *a0,
  65                      void *dadx,
  66                      void *dady,
  67                      void *consts,
  68                      void *outputs,
  69                      struct tgsi_sampler **samplers);
  70
  71 /**
  72  * Subclass of pipe_shader_state (though it doesn't really need to be).
  73  *
  74  * This is starting to look an awful lot like a quad pipeline stage...
  75  */
  76 struct lp_fragment_shader
  77 {
  78    struct pipe_shader_state base;
  79
  80    struct tgsi_shader_info info;
  81
  82    struct llvmpipe_screen *screen;
  83
  84    LLVMValueRef function;
  85
  86    lp_shader_fs_func jit_function;
  87
  88    union tgsi_exec_channel ALIGN16_ATTRIB pos[NUM_CHANNELS];
  89    union tgsi_exec_channel ALIGN16_ATTRIB a0[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS];
  90    union tgsi_exec_channel ALIGN16_ATTRIB dadx[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS];
  91    union tgsi_exec_channel ALIGN16_ATTRIB dady[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS];
  92 };
  93
  94
  95 /** Subclass of pipe_shader_state */
  96 struct lp_vertex_shader {
  97    struct pipe_shader_state shader;
  98    struct draw_vertex_shader *draw_data;
  99 };
 100
 101
 102 typedef void
 103 (*lp_blend_func)(uint8_t src[][16],
 104                  uint8_t dst[][16],
 105                  uint8_t con[][16],
 106                  uint8_t res[][16]);
 107
 108
 109 struct lp_blend_state
 110 {
 111    struct pipe_blend_state base;
 112
 113    LLVMValueRef function;
 114
 115    lp_blend_func jit_function;
 116 };
 117
 118
 119
 120 void *
 121 llvmpipe_create_blend_state(struct pipe_context *,
 122                             const struct pipe_blend_state *);
 123 void llvmpipe_bind_blend_state(struct pipe_context *,
 124                                void *);
 125 void llvmpipe_delete_blend_state(struct pipe_context *,
 126                                  void *);
 127
 128 void *
 129 llvmpipe_create_sampler_state(struct pipe_context *,
 130                               const struct pipe_sampler_state *);
 131 void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
 132 void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
 133
 134 void *
 135 llvmpipe_create_depth_stencil_state(struct pipe_context *,
 136                                     const struct pipe_depth_stencil_alpha_state *);
 137 void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
 138 void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
 139
 140 void *
 141 llvmpipe_create_rasterizer_state(struct pipe_context *,
 142                                  const struct pipe_rasterizer_state *);
 143 void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
 144 void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
 145
 146 void llvmpipe_set_framebuffer_state( struct pipe_context *,
 147                              const struct pipe_framebuffer_state * );
 148
 149 void llvmpipe_set_blend_color( struct pipe_context *pipe,
 150                                const struct pipe_blend_color *blend_color );
 151
 152 void llvmpipe_set_clip_state( struct pipe_context *,
 153                              const struct pipe_clip_state * );
 154
 155 void llvmpipe_set_constant_buffer(struct pipe_context *,
 156                                   uint shader, uint index,
 157                                   const struct pipe_constant_buffer *buf);
 158
 159 void *llvmpipe_create_fs_state(struct pipe_context *,
 160                                const struct pipe_shader_state *);
 161 void llvmpipe_bind_fs_state(struct pipe_context *, void *);
 162 void llvmpipe_delete_fs_state(struct pipe_context *, void *);
 163 void *llvmpipe_create_vs_state(struct pipe_context *,
 164                                const struct pipe_shader_state *);
 165 void llvmpipe_bind_vs_state(struct pipe_context *, void *);
 166 void llvmpipe_delete_vs_state(struct pipe_context *, void *);
 167
 168 void llvmpipe_set_polygon_stipple( struct pipe_context *,
 169                                   const struct pipe_poly_stipple * );
 170
 171 void llvmpipe_set_scissor_state( struct pipe_context *,
 172                                  const struct pipe_scissor_state * );
 173
 174 void llvmpipe_set_sampler_textures( struct pipe_context *,
 175                                     unsigned num,
 176                                     struct pipe_texture ** );
 177
 178 void llvmpipe_set_viewport_state( struct pipe_context *,
 179                                   const struct pipe_viewport_state * );
 180
 181 void llvmpipe_set_vertex_elements(struct pipe_context *,
 182                                   unsigned count,
 183                                   const struct pipe_vertex_element *);
 184
 185 void llvmpipe_set_vertex_buffers(struct pipe_context *,
 186                                  unsigned count,
 187                                  const struct pipe_vertex_buffer *);
 188
 189
 190 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
 191
 192
 193 boolean llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
 194                              unsigned start, unsigned count);
 195
 196 boolean llvmpipe_draw_elements(struct pipe_context *pipe,
 197                                struct pipe_buffer *indexBuffer,
 198                                unsigned indexSize,
 199                                unsigned mode, unsigned start, unsigned count);
 200 boolean
 201 llvmpipe_draw_range_elements(struct pipe_context *pipe,
 202                              struct pipe_buffer *indexBuffer,
 203                              unsigned indexSize,
 204                              unsigned min_index,
 205                              unsigned max_index,
 206                              unsigned mode, unsigned start, unsigned count);
 207
 208 void
 209 llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
 210
 211
 212 void
 213 llvmpipe_map_transfers(struct llvmpipe_context *lp);
 214
 215 void
 216 llvmpipe_unmap_transfers(struct llvmpipe_context *lp);
 217
 218 void
 219 llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
 220
 221 void
 222 llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
 223
 224
 225 struct vertex_info *
 226 llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe);
 227
 228 struct vertex_info *
 229 llvmpipe_get_vbuf_vertex_info(struct llvmpipe_context *llvmpipe);
 230
 231
 232 #endif