/opengles/src/arm/CodeGenerator.h
C++ Header | 273 lines | 161 code | 49 blank | 63 comment | 0 complexity | 5b82bac318058bd0bc442895036155f1 MD5 | raw file
1#ifndef EGL_CODE_GENERATOR_H 2#define EGL_CODE_GENERATOR_H 1 3 4// ========================================================================== 5// 6// CodeGenerator.h JIT Class for 3D Rendering Library 7// 8// This file contains the rasterizer functions that 9// implement the runtime code generation support 10// for optimized scan line rasterization routines. 11// 12// -------------------------------------------------------------------------- 13// 14// 08-07-2003 Hans-Martin Will initial version 15// 16// -------------------------------------------------------------------------- 17// 18// Copyright (c) 2004, Hans-Martin Will. All rights reserved. 19// 20// Redistribution and use in source and binary forms, with or without 21// modification, are permitted provided that the following conditions are 22// met: 23// 24// * Redistributions of source code must retain the above copyright 25// notice, this list of conditions and the following disclaimer. 26// * Redistributions in binary form must reproduce the above copyright 27// notice, this list of conditions and the following disclaimer in the 28// documentation and/or other materials provided with the distribution. 29// 30// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 31// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 34// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 35// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 36// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 37// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 38// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 40// THE POSSIBILITY OF SUCH DAMAGE. 41// 42// ========================================================================== 43 44 45#include "OGLES.h" 46#include "fixed.h" 47#include "linalg.h" 48#include "Rasterizer.h" 49#include "RasterizerState.h" 50#include "FunctionCache.h" 51 52 53extern "C" { 54#ifdef __GCC32__ 55 struct cg_module_t; 56 struct cg_proc_t; 57 struct cg_block_t; 58 struct cg_block_ref_t; 59 struct cg_virtual_reg_t; 60#else 61 typedef struct cg_module_t cg_module_t; 62 typedef struct cg_proc_t cg_proc_t; 63 typedef struct cg_block_t cg_block_t; 64 typedef struct cg_block_ref_t cg_block_ref_t; 65 typedef struct cg_virtual_reg_t cg_virtual_reg_t; 66#endif 67} 68 69 70namespace EGL { 71 72 struct FragmentGenerationInfo { 73 cg_virtual_reg_t * regX; 74 cg_virtual_reg_t * regY; 75 cg_virtual_reg_t * regDepth; 76 cg_virtual_reg_t * regU[EGL_NUM_TEXTURE_UNITS]; 77 cg_virtual_reg_t * regV[EGL_NUM_TEXTURE_UNITS]; 78 cg_virtual_reg_t * regFog; 79 cg_virtual_reg_t * regR; 80 cg_virtual_reg_t * regG; 81 cg_virtual_reg_t * regB; 82 cg_virtual_reg_t * regA; 83 84 cg_virtual_reg_t * regInfo; 85 cg_virtual_reg_t * regTexture[EGL_NUM_TEXTURE_UNITS]; 86 }; 87 88 class FunctionCache; 89 90 class MultiTexture; 91 92 class CodeGenerator { 93 94 public: 95 // ---------------------------------------------------------------------- 96 // Code generation of triangle scan line 97 // ---------------------------------------------------------------------- 98 void Compile(FunctionCache * target, FunctionCache::FunctionType type, 99 void (CodeGenerator::*function)()); 100 101 void SetState(const RasterizerState * state) { m_State = state; } 102 const RasterizerState * GetState() { return m_State; } 103 104 void GenerateRasterScanLine(); 105 void GenerateRasterLine(); 106 void GenerateRasterPoint(); 107 void GenerateRasterTriangle(); 108 109 private: 110 void GenerateFragment(cg_proc_t * procedure, cg_block_t * currentBlock, 111 cg_block_ref_t * continuation, FragmentGenerationInfo & fragmentInfo, 112 int weight, bool forceScissor = false); 113 114 void GenerateFetchTexColor(cg_proc_t * proc, cg_block_t * currentBlock, 115 size_t unit, 116 FragmentGenerationInfo & fragmentInfo, 117 cg_virtual_reg_t *& regTexColorR, 118 cg_virtual_reg_t *& regTexColorG, 119 cg_virtual_reg_t *& regTexColorB, 120 cg_virtual_reg_t *& regTexColorA, 121 cg_virtual_reg_t *& regTexColor565); 122 123 void FetchTexColor(cg_proc_t * proc, cg_block_t * currentBlock, 124 const RasterizerState::TextureState * textureState, 125 cg_virtual_reg_t * regTexData, 126 cg_virtual_reg_t * regTexOffset, 127 cg_virtual_reg_t *& regTexColorR, 128 cg_virtual_reg_t *& regTexColorG, 129 cg_virtual_reg_t *& regTexColorB, 130 cg_virtual_reg_t *& regTexColorA, 131 cg_virtual_reg_t *& regTexColor565); 132 133 cg_virtual_reg_t * Mul255(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second); 134 cg_virtual_reg_t * Add(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second); 135 cg_virtual_reg_t * AddSigned(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second); 136 cg_virtual_reg_t * Sub(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second); 137 cg_virtual_reg_t * AddSaturate255(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second); 138 cg_virtual_reg_t * ClampTo255(cg_block_t * currentBlock, cg_virtual_reg_t * value); 139 cg_virtual_reg_t * ExtractBitFieldTo255(cg_block_t * currentBlock, cg_virtual_reg_t * value, size_t low, size_t high); 140 cg_virtual_reg_t * BitFieldFrom255(cg_block_t * currentBlock, cg_virtual_reg_t * value, size_t low, size_t high); 141 cg_virtual_reg_t * Dot3(cg_block_t * currentBlock, cg_virtual_reg_t * r[], cg_virtual_reg_t * g[], cg_virtual_reg_t * b[]); 142 cg_virtual_reg_t * SignedVal(cg_block_t * block, cg_virtual_reg_t * value); 143 void Color565FromRGB(cg_block_t * block, cg_virtual_reg_t * result, 144 cg_virtual_reg_t * r, cg_virtual_reg_t * g, cg_virtual_reg_t * b); 145 cg_virtual_reg_t * Color565FromRGB(cg_block_t * block, 146 cg_virtual_reg_t * r, cg_virtual_reg_t * g, cg_virtual_reg_t * b); 147 148 cg_virtual_reg_t * Blend255(cg_block_t * currentBlock, cg_virtual_reg_t * first, cg_virtual_reg_t * second, 149 cg_virtual_reg_t * alpha); 150 cg_virtual_reg_t * Blend255(cg_block_t * currentBlock, U8 constant, cg_virtual_reg_t * second, 151 cg_virtual_reg_t * alpha); 152 153 private: 154 const RasterizerState * m_State; 155 struct cg_module_t *m_Module; 156 }; 157 158} 159 160 161 // ------------------------------------------------------------------------- 162 // Offsets of structure members within info structure 163 // ------------------------------------------------------------------------- 164 165# define OFFSET_SURFACE_WIDTH offsetof(RasterInfo, SurfaceWidth) 166# define OFFSET_SURFACE_HEIGHT offsetof(RasterInfo, SurfaceHeight) 167# define OFFSET_SURFACE_DEPTH_BUFFER offsetof(RasterInfo, DepthBuffer) 168# define OFFSET_SURFACE_COLOR_BUFFER offsetof(RasterInfo, ColorBuffer) 169# define OFFSET_SURFACE_STENCIL_BUFFER offsetof(RasterInfo, StencilBuffer) 170# define OFFSET_SURFACE_ALPHA_BUFFER offsetof(RasterInfo, AlphaBuffer) 171 172# define OFFSET_TEXTURES offsetof(RasterInfo, Textures) 173# define OFFSET_MIPMAP_LEVEL offsetof(RasterInfo, MipmapLevel) 174# define OFFSET_MAX_MIPMAP_LEVEL offsetof(RasterInfo, MaxMipmapLevel) 175 176# define OFFSET_TEXTURE_LOG_WIDTH offsetof(Texture, m_LogWidth) 177# define OFFSET_TEXTURE_LOG_HEIGHT offsetof(Texture, m_LogHeight) 178# define OFFSET_TEXTURE_DATA offsetof(Texture, m_Data) 179# define SIZE_TEXTURE sizeof(Texture) 180 181 182# define OFFSET_INVERSE_TABLE_PTR offsetof(RasterInfo, InversionTablePtr) 183 184 // ------------------------------------------------------------------------- 185 // For FractionalColor 186 // ------------------------------------------------------------------------- 187 188# define OFFSET_COLOR_RED offsetof(FractionalColor, r) 189# define OFFSET_COLOR_GREEN offsetof(FractionalColor, g) 190# define OFFSET_COLOR_BLUE offsetof(FractionalColor, b) 191# define OFFSET_COLOR_ALPHA offsetof(FractionalColor, a) 192 193 // ------------------------------------------------------------------------- 194 // For ScreenCoord 195 // ------------------------------------------------------------------------- 196 197# define OFFSET_SCREEN_X offsetof(ScreenCoord, x) 198# define OFFSET_SCREEN_Y offsetof(ScreenCoord, y) 199# define OFFSET_SCREEN_INV_Z offsetof(ScreenCoord, invZ) 200# define OFFSET_SCREEN_DEPTH offsetof(ScreenCoord, depth) 201 202 // ------------------------------------------------------------------------- 203 // For EdgeCoord 204 // ------------------------------------------------------------------------- 205 206# define OFFSET_EDGE_COORD_X offsetof(EdgeCoord, x) 207# define OFFSET_EDGE_COORD_INV_Z offsetof(EdgeCoord, invZ) 208# define OFFSET_EDGE_COORD_DEPTH offsetof(EdgeCoord, depth) 209 210 // ------------------------------------------------------------------------- 211 // For TexCoord 212 // ------------------------------------------------------------------------- 213 214# define OFFSET_TEX_COORD_TU offsetof(TexCoord, tu) 215# define OFFSET_TEX_COORD_TV offsetof(TexCoord, tv) 216# define OFFSET_TEX_COORD_DTUDX offsetof(TexCoord, dtudx) 217# define OFFSET_TEX_COORD_DTUDY offsetof(TexCoord, dtudy) 218# define OFFSET_TEX_COORD_DTVDX offsetof(TexCoord, dtvdx) 219# define OFFSET_TEX_COORD_DTVDY offsetof(TexCoord, dtvdy) 220 221 // ------------------------------------------------------------------------- 222 // For EdgeBuffer 223 // ------------------------------------------------------------------------- 224 225# define OFFSET_EDGE_BUFFER_WINDOW offsetof(EdgePos, m_WindowCoords) 226# define OFFSET_EDGE_BUFFER_COLOR offsetof(EdgePos, m_Color) 227# define OFFSET_EDGE_BUFFER_TEXTURE offsetof(EdgePos, m_TextureCoords) 228# define OFFSET_EDGE_BUFFER_FOG offsetof(EdgePos, m_FogDensity) 229 230# define OFFSET_EDGE_BUFFER_WINDOW_X (OFFSET_EDGE_BUFFER_WINDOW + OFFSET_EDGE_COORD_X) 231# define OFFSET_EDGE_BUFFER_WINDOW_INV_Z (OFFSET_EDGE_BUFFER_WINDOW + OFFSET_EDGE_COORD_INV_Z) 232# define OFFSET_EDGE_BUFFER_WINDOW_DEPTH (OFFSET_EDGE_BUFFER_WINDOW + OFFSET_EDGE_COORD_DEPTH) 233 234# define OFFSET_EDGE_BUFFER_COLOR_R (OFFSET_EDGE_BUFFER_COLOR + OFFSET_COLOR_RED) 235# define OFFSET_EDGE_BUFFER_COLOR_G (OFFSET_EDGE_BUFFER_COLOR + OFFSET_COLOR_GREEN) 236# define OFFSET_EDGE_BUFFER_COLOR_B (OFFSET_EDGE_BUFFER_COLOR + OFFSET_COLOR_BLUE) 237# define OFFSET_EDGE_BUFFER_COLOR_A (OFFSET_EDGE_BUFFER_COLOR + OFFSET_COLOR_ALPHA) 238 239# define OFFSET_EDGE_BUFFER_TEX_TU (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_TU) 240# define OFFSET_EDGE_BUFFER_TEX_TV (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_TV) 241# define OFFSET_EDGE_BUFFER_TEX_DTUDX (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_DTUDX) 242# define OFFSET_EDGE_BUFFER_TEX_DTUDY (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_DTUDY) 243# define OFFSET_EDGE_BUFFER_TEX_DTVDX (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_DTVDX) 244# define OFFSET_EDGE_BUFFER_TEX_DTVDY (OFFSET_EDGE_BUFFER_TEXTURE + OFFSET_TEX_COORD_DTVDY) 245 246 // ------------------------------------------------------------------------- 247 // For RasterPos 248 // ------------------------------------------------------------------------- 249 250# define OFFSET_RASTER_POS_WINDOW offsetof(RasterPos, m_WindowCoords) 251# define OFFSET_RASTER_POS_COLOR offsetof(RasterPos, m_Color) 252# define OFFSET_RASTER_POS_TEXTURE offsetof(RasterPos, m_TextureCoords) 253# define OFFSET_RASTER_POS_FOG offsetof(RasterPos, m_FogDensity) 254 255# define OFFSET_RASTER_POS_WINDOW_X (OFFSET_RASTER_POS_WINDOW + OFFSET_SCREEN_X) 256# define OFFSET_RASTER_POS_WINDOW_Y (OFFSET_RASTER_POS_WINDOW + OFFSET_SCREEN_Y) 257# define OFFSET_RASTER_POS_WINDOW_INV_Z (OFFSET_RASTER_POS_WINDOW + OFFSET_SCREEN_INV_Z) 258# define OFFSET_RASTER_POS_WINDOW_DEPTH (OFFSET_RASTER_POS_WINDOW + OFFSET_SCREEN_DEPTH) 259 260# define OFFSET_RASTER_POS_COLOR_R (OFFSET_RASTER_POS_COLOR + OFFSET_COLOR_RED) 261# define OFFSET_RASTER_POS_COLOR_G (OFFSET_RASTER_POS_COLOR + OFFSET_COLOR_GREEN) 262# define OFFSET_RASTER_POS_COLOR_B (OFFSET_RASTER_POS_COLOR + OFFSET_COLOR_BLUE) 263# define OFFSET_RASTER_POS_COLOR_A (OFFSET_RASTER_POS_COLOR + OFFSET_COLOR_ALPHA) 264 265# define OFFSET_RASTER_POS_TEX_TU (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_TU) 266# define OFFSET_RASTER_POS_TEX_TV (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_TV) 267# define OFFSET_RASTER_POS_TEX_DTUDX (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_DTUDX) 268# define OFFSET_RASTER_POS_TEX_DTUDY (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_DTUDY) 269# define OFFSET_RASTER_POS_TEX_DTVDX (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_DTVDX) 270# define OFFSET_RASTER_POS_TEX_DTVDY (OFFSET_RASTER_POS_TEXTURE + OFFSET_TEX_COORD_DTVDY) 271 272 273#endif //ndef EGL_CODE_GENERATOR_H