1 /* |
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2 * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 #include <malloc.h> |
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27 #include "sun_java2d_d3d_D3DTextRenderer.h" |
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28 #include "SurfaceData.h" |
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29 #include "Region.h" |
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30 #include "glyphblitting.h" |
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31 #include "fontscalerdefs.h" |
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32 #include "AccelGlyphCache.h" |
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33 #include "j2d_md.h" |
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34 #include "jlong.h" |
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35 |
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36 #include "ddrawUtils.h" |
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37 #include "D3DContext.h" |
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38 #include "D3DUtils.h" |
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39 #include "Win32SurfaceData.h" |
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40 |
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41 extern "C" { |
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42 |
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43 #define MAX_STATIC_QUADS_NUM 40 |
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44 static int indicesInited = 0; |
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45 static short vertexIndices[MAX_STATIC_QUADS_NUM*6]; |
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46 static J2DLV_QUAD vertexQuads[MAX_STATIC_QUADS_NUM]; |
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47 |
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48 /** |
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49 * Initializes the array of index vertices used for rendering |
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50 * glyphs using cached texture. |
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51 */ |
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52 static void |
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53 InitIndexArray() |
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54 { |
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55 int ii, vi; |
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56 memset(vertexQuads, 0, sizeof(vertexQuads)); |
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57 for (ii = 0, vi = 0; ii < MAX_STATIC_QUADS_NUM*6; ii += 6, vi += 4) { |
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58 vertexIndices[ii + 0] = vi + 0; |
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59 vertexIndices[ii + 1] = vi + 1; |
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60 vertexIndices[ii + 2] = vi + 2; |
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61 vertexIndices[ii + 3] = vi + 0; |
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62 vertexIndices[ii + 4] = vi + 2; |
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63 vertexIndices[ii + 5] = vi + 3; |
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64 } |
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65 } |
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66 |
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67 /** |
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68 * Renders each glyph directly from the glyph texture cache. |
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69 */ |
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70 static HRESULT |
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71 D3DDrawGlyphList_UseCache(JNIEnv *env, Win32SDOps *wsdo, |
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72 D3DContext *d3dc, |
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73 ImageRef *glyphs, jint totalGlyphs) |
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74 { |
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75 int glyphCounter; |
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76 HRESULT res = DDERR_GENERIC; |
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77 DXSurface *glyphCacheTexture; |
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78 J2dTraceLn(J2D_TRACE_INFO, "D3DDrawGlyphList_UseCache"); |
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79 int color = d3dc->colorPixel; |
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80 int quadCounter = 0; |
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81 |
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82 DDrawSurface *ddTargetSurface = d3dc->GetTargetSurface(); |
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83 if (ddTargetSurface == NULL) { |
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84 return DDERR_GENERIC; |
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85 } |
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86 ddTargetSurface->GetExclusiveAccess(); |
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87 d3dc->GetExclusiveAccess(); |
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88 |
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89 glyphCacheTexture = d3dc->GetGlyphCacheTexture(); |
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90 IDirect3DDevice7 *d3dDevice = d3dc->Get3DDevice(); |
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91 if (d3dDevice == NULL || |
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92 FAILED(res = d3dc->BeginScene(STATE_MASKOP))) |
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93 { |
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94 d3dc->ReleaseExclusiveAccess(); |
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95 ddTargetSurface->ReleaseExclusiveAccess(); |
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96 return res; |
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97 } |
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98 |
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99 if (FAILED(res = d3dc->SetTexture(glyphCacheTexture))) { |
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100 d3dc->EndScene(res); |
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101 d3dc->ReleaseExclusiveAccess(); |
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102 ddTargetSurface->ReleaseExclusiveAccess(); |
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103 return res; |
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104 } |
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105 |
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106 if (!indicesInited) { |
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107 InitIndexArray(); |
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108 indicesInited = 1; |
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109 } |
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110 |
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111 for (glyphCounter = 0; (glyphCounter < totalGlyphs) && SUCCEEDED(res); |
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112 glyphCounter++) |
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113 { |
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114 // render glyph cached in texture object |
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115 const jubyte *pixels = (const jubyte *)glyphs[glyphCounter].pixels; |
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116 GlyphInfo *ginfo = (GlyphInfo *)glyphs[glyphCounter].glyphInfo; |
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117 CacheCellInfo *cell; |
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118 float x1, y1, x2, y2; |
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119 float tx1, ty1, tx2, ty2; |
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120 J2DLV_QUAD *quad; |
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121 |
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122 // it the glyph is an empty space, skip it |
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123 if (!pixels) { |
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124 continue; |
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125 } |
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126 |
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127 if (ginfo->cellInfo == NULL || |
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128 // REMIND: this is a temp fix to allow a glyph be cached |
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129 // in caches for different devices. |
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130 // REMIND: check if this is even a problem: we're using |
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131 // managed textures, they may be automatically accelerated |
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132 // on a different device. |
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133 // If the glyph is cached on a different device, cache |
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134 // it on this context's device. |
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135 // This may result in thrashing if the same glyphs |
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136 // get rendered on different devices. |
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137 // Note: this is not thread-safe: we may change the coordinates |
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138 // while another thread is using this cell. |
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139 // A proper fix would allow a glyph to be cached in multiple |
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140 // caches at the same time. |
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141 d3dc->GetGlyphCache() != ginfo->cellInfo->cacheInfo) |
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142 { |
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143 // attempt to add glyph to accelerated glyph cache |
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144 if (FAILED(d3dc->GlyphCacheAdd(env, ginfo)) || |
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145 ginfo->cellInfo == NULL) |
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146 { |
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147 continue; |
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148 } |
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149 } |
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150 |
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151 cell = ginfo->cellInfo; |
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152 cell->timesRendered++; |
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153 |
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154 x1 = (float)glyphs[glyphCounter].x; |
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155 y1 = (float)glyphs[glyphCounter].y; |
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156 x2 = x1 + (float)glyphs[glyphCounter].width; |
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157 y2 = y1 + (float)glyphs[glyphCounter].height; |
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158 tx1 = cell->tx1; |
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159 ty1 = cell->ty1; |
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160 tx2 = cell->tx2; |
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161 ty2 = cell->ty2; |
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162 quad = &vertexQuads[quadCounter++]; |
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163 |
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164 D3DU_INIT_VERTEX_QUAD(*quad, x1, y1, x2, y2, color , |
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165 tx1, ty1, tx2, ty2); |
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166 |
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167 if (quadCounter == MAX_STATIC_QUADS_NUM && |
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168 SUCCEEDED(res = ddTargetSurface->IsLost())) |
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169 { |
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170 res = d3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, |
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171 D3DFVF_J2DLVERTEX, |
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172 vertexQuads, |
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173 4*quadCounter, |
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174 (LPWORD)vertexIndices, |
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175 6*quadCounter, 0); |
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176 quadCounter = 0; |
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177 } |
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178 } |
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179 |
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180 if (quadCounter > 0 && SUCCEEDED(res)) { |
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181 res = d3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, |
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182 D3DFVF_J2DLVERTEX, |
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183 vertexQuads, |
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184 4*quadCounter, |
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185 (LPWORD)vertexIndices, |
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186 6*quadCounter, 0); |
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187 } |
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188 |
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189 d3dc->EndScene(res); |
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190 |
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191 d3dc->ReleaseExclusiveAccess(); |
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192 ddTargetSurface->ReleaseExclusiveAccess(); |
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193 |
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194 return res; |
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195 } |
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196 |
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197 static HRESULT |
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198 D3DDrawGlyphList_NoCache(JNIEnv *env, Win32SDOps *wsdo, |
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199 D3DContext *d3dc, |
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200 ImageRef *glyphs, jint totalGlyphs) |
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201 { |
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202 int glyphCounter; |
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203 float tx1, ty1, tx2, ty2; |
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204 jint tw, th; |
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205 DXSurface *maskTexture; |
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206 static J2DLVERTEX quadVerts[4] = { |
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207 { 0.0f, 0.0f, 0.0f, 0x0, 0.0f, 0.0f }, |
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208 { 0.0f, 0.0f, 0.0f, 0x0, 0.0f, 0.0f }, |
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209 { 0.0f, 0.0f, 0.0f, 0x0, 0.0f, 0.0f }, |
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210 { 0.0f, 0.0f, 0.0f, 0x0, 0.0f, 0.0f } |
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211 }; |
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212 |
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213 J2dTraceLn(J2D_TRACE_INFO, "D3DDrawGlyphList_NoCache"); |
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214 |
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215 DDrawSurface *ddTargetSurface = d3dc->GetTargetSurface(); |
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216 if (ddTargetSurface == NULL) { |
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217 return DDERR_GENERIC; |
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218 } |
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219 ddTargetSurface->GetExclusiveAccess(); |
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220 d3dc->GetExclusiveAccess(); |
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221 |
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222 HRESULT res = DDERR_GENERIC; |
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223 |
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224 IDirect3DDevice7 *d3dDevice = d3dc->Get3DDevice(); |
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225 if (d3dDevice == NULL) { |
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226 d3dc->ReleaseExclusiveAccess(); |
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227 ddTargetSurface->ReleaseExclusiveAccess(); |
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228 return res; |
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229 } |
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230 |
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231 maskTexture = d3dc->GetMaskTexture(); |
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232 if (maskTexture == NULL || |
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233 FAILED(res = d3dc->BeginScene(STATE_MASKOP))) |
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234 { |
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235 d3dc->ReleaseExclusiveAccess(); |
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236 ddTargetSurface->ReleaseExclusiveAccess(); |
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237 return DDERR_GENERIC; |
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238 } |
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239 |
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240 if (FAILED(res = d3dc->SetTexture(maskTexture))) { |
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241 d3dc->EndScene(res); |
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242 d3dc->ReleaseExclusiveAccess(); |
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243 ddTargetSurface->ReleaseExclusiveAccess(); |
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244 return res; |
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245 } |
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246 |
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247 tx1 = 0.0f; |
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248 ty1 = 0.0f; |
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249 tw = D3DSD_MASK_TILE_SIZE; |
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250 th = D3DSD_MASK_TILE_SIZE; |
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251 |
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252 D3DU_INIT_VERTEX_QUAD_COLOR(quadVerts, d3dc->colorPixel); |
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253 for (glyphCounter = 0; (glyphCounter < totalGlyphs) && SUCCEEDED(res); |
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254 glyphCounter++) |
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255 { |
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256 // render system memory glyph image |
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257 jint sx, sy, sw, sh; |
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258 jint x, y, w, h, x0; |
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259 const jubyte *pixels = (const jubyte *)glyphs[glyphCounter].pixels; |
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260 |
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261 if (!pixels) { |
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262 continue; |
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263 } |
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264 |
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265 x = glyphs[glyphCounter].x; |
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266 y = glyphs[glyphCounter].y; |
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267 w = glyphs[glyphCounter].width; |
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268 h = glyphs[glyphCounter].height; |
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269 x0 = x; |
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270 |
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271 for (sy = 0; sy < h; sy += th, y += th) { |
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272 x = x0; |
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273 sh = ((sy + th) > h) ? (h - sy) : th; |
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274 |
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275 for (sx = 0; sx < w; sx += tw, x += tw) { |
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276 sw = ((sx + tw) > w) ? (w - sx) : tw; |
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277 |
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278 if (FAILED(d3dc->UploadImageToTexture(maskTexture, |
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279 (jubyte*)pixels, |
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280 0, 0, sx, sy, |
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281 sw, sh, w))) |
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282 { |
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283 continue; |
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284 } |
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285 |
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286 // update the lower right texture coordinates |
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287 tx2 = ((float)sw) / tw; |
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288 ty2 = ((float)sh) / th; |
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289 |
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290 D3DU_INIT_VERTEX_QUAD_XYUV(quadVerts, |
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291 (float)x, (float)y, |
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292 (float)(x+sw), (float)(y+sh), |
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293 tx1, ty1, tx2, ty2); |
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294 if (SUCCEEDED(res = ddTargetSurface->IsLost())) { |
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295 res = d3dDevice->DrawPrimitive(D3DPT_TRIANGLEFAN, |
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296 D3DFVF_J2DLVERTEX, |
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297 quadVerts, 4, 0); |
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298 } |
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299 } |
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300 } |
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301 } |
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302 |
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303 d3dc->EndScene(res); |
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304 |
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305 d3dc->ReleaseExclusiveAccess(); |
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306 ddTargetSurface->ReleaseExclusiveAccess(); |
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307 |
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308 return res; |
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309 } |
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310 |
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311 |
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312 JNIEXPORT void JNICALL |
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313 D3DDrawGlyphList(JNIEnv *env, jobject d3dtr, |
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314 jlong pData, jlong pCtx, |
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315 ImageRef *glyphs, jint totalGlyphs, |
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316 jboolean useCache) |
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317 { |
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318 Win32SDOps *wsdo = (Win32SDOps *)jlong_to_ptr(pData); |
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319 D3DContext *d3dc = (D3DContext *)jlong_to_ptr(pCtx); |
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320 |
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321 HRESULT res; |
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322 // Note: uncomment to control glyph caching via env. variable. |
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323 // useCache = useCache && !getenv("J2D_D3D_NOGLYPHCACHING"); |
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324 |
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325 if (d3dc == NULL) { |
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326 return; |
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327 } |
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328 |
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329 if (useCache && SUCCEEDED(res = d3dc->InitGlyphCache())) { |
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330 D3D_EXEC_PRIM_LOOP(env, res, wsdo, |
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331 D3DDrawGlyphList_UseCache(env, wsdo, d3dc, glyphs, |
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332 totalGlyphs)); |
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333 return; |
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334 } |
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335 |
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336 D3D_EXEC_PRIM_LOOP(env, res, wsdo, |
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337 D3DDrawGlyphList_NoCache(env, wsdo, d3dc, glyphs, |
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338 totalGlyphs)); |
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339 } |
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340 |
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341 } |
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