From b829170121d3657369904ec62d8065606777a9ce Mon Sep 17 00:00:00 2001 From: Aki Date: Fri, 1 Oct 2021 18:54:04 +0200 Subject: Removed doxygen generated docs They can be rebuild anytime and are considered a build artifact/binary. --- Doc/doxygen/html/_tex_d_x9_8cpp_source.html | 535 ---------------------------- 1 file changed, 535 deletions(-) delete mode 100644 Doc/doxygen/html/_tex_d_x9_8cpp_source.html (limited to 'Doc/doxygen/html/_tex_d_x9_8cpp_source.html') diff --git a/Doc/doxygen/html/_tex_d_x9_8cpp_source.html b/Doc/doxygen/html/_tex_d_x9_8cpp_source.html deleted file mode 100644 index 2cd1feb..0000000 --- a/Doc/doxygen/html/_tex_d_x9_8cpp_source.html +++ /dev/null @@ -1,535 +0,0 @@ - - - - - -Starshatter_Open: D:/SRC/StarshatterSVN/nGenEx/TexDX9.cpp Source File - - - - - - - - - - - - - -
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Starshatter_Open -
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Open source Starshatter engine
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TexDX9.cpp
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1 /* Project nGenEx
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2  Destroyer Studios LLC
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3  Copyright © 1997-2004. All Rights Reserved.
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4 
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5  SUBSYSTEM: nGenEx.lib
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6  FILE: TexDX9.cpp
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7  AUTHOR: John DiCamillo
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8 
-
9 
-
10  OVERVIEW
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11  ========
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12  Direct3D Texture Cache
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13 */
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14 
-
15 #include "MemDebug.h"
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16 #include "TexDX9.h"
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17 #include "VideoDX9.h"
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18 #include "Bitmap.h"
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19 #include "Color.h"
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20 
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21 // +--------------------------------------------------------------------+
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22 
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23 void Print(const char* fmt, ...);
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24 void VideoDX9Error(const char* msg, HRESULT err);
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25 
-
26 #define TEXDX9_VERBOSE 0
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27 #define DX9_TEXTURE_CACHE_SIZE 256
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28 
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29 #ifndef RELEASE
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30 #define RELEASE(x) if (x) { x->Release(); x=NULL; }
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31 #endif
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32 
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33 // +--------------------------------------------------------------------+
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34 
-
35 void
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36 TexCacheDX9Entry::Release()
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37 {
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38  RELEASE(texture);
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39 }
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40 
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41 // +--------------------------------------------------------------------+
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42 
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43 void
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44 TexCacheDX9Entry::Unload()
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45 {
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46  RELEASE(texture);
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47  bitmap_id = 0;
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48  used_last = 0;
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49  last_modified = 0;
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50 }
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51 
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52 // +--------------------------------------------------------------------+
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53 
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54 TexCacheDX9::TexCacheDX9(VideoDX9* v)
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55 : video(v), count(0), mru(0)
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56 {
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57  d3d = video->Direct3D();
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58  d3ddevice = video->D3DDevice();
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59 
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60  // clear the texture cache
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61  cache = new(__FILE__,__LINE__) TexCacheDX9Entry[DX9_TEXTURE_CACHE_SIZE];
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62  vidmem = video->VidMemFree();
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63 }
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64 
-
65 TexCacheDX9::~TexCacheDX9()
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66 {
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67  int used = 0;
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68 
-
69  if (cache) {
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70  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
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71  if (cache[i].bitmap_id)
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72  used++;
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73  cache[i].Unload();
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74  }
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75 
-
76  delete [] cache;
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77  cache = 0;
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78  }
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79 
-
80  Print("TexCacheDX9: final used count = %d\n", used);
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81 }
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82 
-
83 // +--------------------------------------------------------------------+
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84 
-
85 bool
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86 TexCacheDX9::LoadTexture(Bitmap* bmp, TexCacheDX9Entry* entry)
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87 {
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88  if (!d3ddevice) return false;
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89 
-
90  HRESULT hr = D3D_OK;
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91 
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92  // create the texture, if necessary
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93  if (!entry->texture || entry->bitmap_id != bmp->Handle()) {
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94  hr = d3ddevice->CreateTexture(bmp->Width(),
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95  bmp->Height(),
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96  1, // one mip level
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97  0, // no specific usage
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98  D3DFMT_A8R8G8B8, // format matching Color::rgba
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99  D3DPOOL_MANAGED,
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100  &entry->texture,
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101  0);
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102 
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103  if (FAILED(hr) || !entry->texture) {
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104  VideoDX9Error("LoadTexture - could not create texture", hr);
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105  return false;
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106  }
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107  }
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108 
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109  // lock the surface for writing
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110  D3DLOCKED_RECT locked_rect;
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111  hr = entry->texture->LockRect(0, &locked_rect, 0, 0);
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112 
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113  if (FAILED(hr)) {
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114  VideoDX9Error("LoadTexture - could not lock texture surface", hr);
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115  entry->Unload();
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116  return false;
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117  }
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118 
-
119  // load the bitmap into the texture surface
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120  for (int i = 0; i < bmp->Height(); i++) {
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121  BYTE* src = (BYTE*) (bmp->HiPixels() + i * bmp->Width());
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122  BYTE* dst = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
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123 
-
124  CopyMemory(dst, src, bmp->Width() * sizeof(Color));
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125  }
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126 
-
127  // unlock the surface
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128  entry->texture->UnlockRect(0);
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129 
-
130  entry->last_modified = bmp->LastModified();
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131  vidmem = video->VidMemFree();
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132  return true;
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133 }
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134 
-
135 // +--------------------------------------------------------------------+
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136 
-
137 void
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138 TexCacheDX9::CreateNormalMap(int index, float amp)
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139 {
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140  if (d3ddevice && cache[index].texture && !cache[index].normal) {
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141  HRESULT hr = D3D_OK;
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142  TexCacheDX9Entry* entry = &cache[index];
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143  Bitmap* bmp = Bitmap::GetBitmapByID(entry->bitmap_id);
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144 
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145  IDirect3DTexture9* normal_map = 0;
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146 
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147  // create the normal map texture
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148  hr = d3ddevice->CreateTexture(bmp->Width(),
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149  bmp->Height(),
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150  1, // one mip levels
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151  0, // no specific usage
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152  D3DFMT_A8R8G8B8, // format matching Color::rgba
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153  D3DPOOL_MANAGED,
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154  &normal_map,
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155  0);
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156 
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157  if (FAILED(hr) || !normal_map) {
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158  VideoDX9Error("CreateNormalMap - could not create texture", hr);
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159  return;
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160  }
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161 
-
162  D3DXComputeNormalMap(normal_map, entry->texture ,NULL, 0, D3DX_CHANNEL_RED, amp);
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163 
-
164  entry->texture->Release();
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165  entry->texture = normal_map;
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166  entry->normal = true;
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167 
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168  // The D3DX function destroys the alpha channel data
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169  // when it builds the normal map. We want the original
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170  // height data stored in the alpha channel, so we need
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171  // to add it back in now.
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172 
-
173  // lock the surface for writing
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174  D3DLOCKED_RECT locked_rect;
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175  hr = normal_map->LockRect(0, &locked_rect, 0, 0);
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176 
-
177  if (FAILED(hr)) {
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178  VideoDX9Error("CreateNormalMap - could not insert height channel", hr);
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179  return;
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180  }
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181 
-
182  // load the bitmap into the texture surface
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183  for (int i = 0; i < bmp->Height(); i++) {
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184  BYTE* src = (BYTE*) (bmp->HiPixels() + i * bmp->Width());
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185  BYTE* dst = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
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186 
-
187  src += 2; // red channel
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188  dst += 3; // alpha channel
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189 
-
190  for (int n = 0; n < bmp->Width(); n++) {
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191  *dst = *src;
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192 
-
193  dst += 4;
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194  src += 4;
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195  }
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196  }
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197 
-
198  // unlock the surface
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199  normal_map->UnlockRect(0);
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200  }
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201 }
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202 
-
203 // +--------------------------------------------------------------------+
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204 
-
205 IDirect3DTexture9*
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206 TexCacheDX9::FindTexture(Bitmap* bmp)
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207 {
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208  int avail = -1;
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209 
-
210  if (!bmp)
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211  return 0;
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212 
-
213  // check most recently used:
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214  if (cache[mru].bitmap_id == bmp->Handle()) {
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215  cache[mru].used_last = frame_number;
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216 
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217  // need to refresh?
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218  if (cache[mru].last_modified < bmp->LastModified()) {
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219  LoadTexture(bmp, &cache[mru]);
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220  cache[mru].normal = false;
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221  }
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222 
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223  return cache[mru].texture;
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224  }
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225 
-
226  // find cache entry, or first free:
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227  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++)
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228  if (cache[i].bitmap_id == bmp->Handle()) {
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229  cache[i].used_last = frame_number;
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230  mru = i;
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231 
-
232  // need to refresh?
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233  if (cache[mru].last_modified < bmp->LastModified()) {
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234  LoadTexture(bmp, &cache[mru]);
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235  cache[mru].normal = false;
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236  }
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237 
-
238  return cache[i].texture;
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239  }
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240  else if (avail < 0 && cache[i].bitmap_id == 0)
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241  avail = i;
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242 
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243  // no free space
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244  if (avail < 0)
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245  if (FreeUpCache())
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246  return FindTexture(bmp);
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247  else
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248  return 0;
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249 
-
250  TexCacheDX9Entry* entry = &cache[avail];
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251  entry->bitmap_id = bmp->Handle();
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252  entry->used_last = frame_number;
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253 
-
254  if (LoadTexture(bmp, entry)) {
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255 #if TEXDX9_VERBOSE
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256  Print(" Tex %3d: id=%2d, size=%3d, type=%d, hTex=%3d, frame=%6d vmf=%8d\n",
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257  avail, bmp->Handle(), bmp->Width(), bmp->Type(),
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258  cache[avail].texture, cache[avail].used_last, vidmem);
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259 #endif
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260  mru = avail;
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261  cache[mru].normal = false;
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262  return entry->texture;
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263  }
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264  else {
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265  // failed to load texture,
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266  // erase cache entry:
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267  entry->Unload();
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268  }
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269 
-
270  return 0;
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271 }
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272 
-
273 // +--------------------------------------------------------------------+
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274 
-
275 IDirect3DTexture9*
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276 TexCacheDX9::FindNormalMap(Bitmap* bmp, float amp)
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277 {
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278  int avail = -1;
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279 
-
280  if (!bmp)
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281  return 0;
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282 
-
283  // check most recently used:
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284  if (cache[mru].bitmap_id == bmp->Handle()) {
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285  cache[mru].used_last = frame_number;
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286 
-
287  // need to refresh?
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288  if (cache[mru].last_modified < bmp->LastModified()) {
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289  LoadTexture(bmp, &cache[mru]);
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290  cache[mru].normal = false;
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291  }
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292 
-
293  if (!cache[mru].normal)
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294  CreateNormalMap(mru, amp);
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295 
-
296  return cache[mru].texture;
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297  }
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298 
-
299  // find cache entry, or first free:
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300  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++)
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301  if (cache[i].bitmap_id == bmp->Handle()) {
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302  cache[i].used_last = frame_number;
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303  mru = i;
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304 
-
305  // need to refresh?
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306  if (cache[i].last_modified < bmp->LastModified()) {
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307  LoadTexture(bmp, &cache[mru]);
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308  cache[i].normal = false;
-
309  }
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310 
-
311  if (!cache[i].normal)
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312  CreateNormalMap(i, amp);
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313 
-
314  return cache[i].texture;
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315  }
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316  else if (avail < 0 && cache[i].bitmap_id == 0)
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317  avail = i;
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318 
-
319  // no free space
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320  if (avail < 0)
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321  if (FreeUpCache())
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322  return FindTexture(bmp);
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323  else
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324  return 0;
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325 
-
326  TexCacheDX9Entry* entry = &cache[avail];
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327  entry->bitmap_id = bmp->Handle();
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328  entry->used_last = frame_number;
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329 
-
330  if (LoadTexture(bmp, entry)) {
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331 #if TEXDX9_VERBOSE
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332  Print(" Tex %3d: id=%2d, size=%3d, type=%d, hTex=%3d, frame=%6d vmf=%8d\n",
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333  avail, bmp->Handle(), bmp->Width(), bmp->Type(),
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334  cache[avail].texture, cache[avail].used_last, vidmem);
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335 #endif
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336  mru = avail;
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337  CreateNormalMap(mru, amp);
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338  return entry->texture;
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339  }
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340  else {
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341  // failed to load texture,
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342  // erase cache entry:
-
343  entry->Unload();
-
344  }
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345 
-
346  return 0;
-
347 }
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348 
-
349 // +--------------------------------------------------------------------+
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350 
-
351 int
-
352 TexCacheDX9::FreeLRU(int tries)
-
353 {
-
354  int unloaded = 0;
-
355 
-
356  while (tries--) {
-
357  int oldest = -1;
-
358  DWORD old = frame_number;
-
359 
-
360  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
-
361  DWORD ul = cache[i].used_last;
-
362 
-
363  if (ul && ul < old && ul != frame_number) {
-
364  old = ul;
-
365  oldest = i;
-
366  }
-
367  }
-
368 
-
369  if (oldest >= 0) {
-
370  cache[oldest].Unload();
-
371  unloaded++;
-
372  }
-
373  else
-
374  break;
-
375  }
-
376 
-
377  vidmem = video->VidMemFree();
-
378 
-
379 #if TEXDX9_VERBOSE
-
380  Print(" FreeLRU() frame=%6d unloaded=%2d vmf=%8d\n", frame_number, unloaded, vidmem);
-
381 #endif
-
382 
-
383  return unloaded;
-
384 }
-
385 
-
386 // +--------------------------------------------------------------------+
-
387 
-
388 int
-
389 TexCacheDX9::FreeUpCache()
-
390 {
-
391  int unloaded = 0;
-
392 
-
393  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
-
394  if (cache[i].used_last && cache[i].used_last < frame_number) {
-
395  cache[i].Unload();
-
396  unloaded++;
-
397  }
-
398  }
-
399 
-
400  vidmem = video->VidMemFree();
-
401 
-
402  Print(" FreeUpCache() frame=%6d unloaded=%2d vmf=%8d\n", frame_number, unloaded, vidmem);
-
403 
-
404  return unloaded;
-
405 }
-
406 
-
407 // +--------------------------------------------------------------------+
-
408 
-
409 void
-
410 TexCacheDX9::InvalidateCache()
-
411 {
-
412  for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
-
413  cache[i].Unload();
-
414  cache[i].normal = false;
-
415  }
-
416 
-
417  vidmem = video->VidMemFree();
-
418 }
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