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159 | { |
159 | { |
160 | tc_put (&g->tex); |
160 | tc_put (&g->tex); |
161 | g_slice_free (glyph_info, g); |
161 | g_slice_free (glyph_info, g); |
162 | } |
162 | } |
163 | |
163 | |
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164 | static int apple_nvidia_bug_workaround; |
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165 | |
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166 | static void |
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167 | apple_nvidia_bug (int enable) |
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168 | { |
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169 | apple_nvidia_bug_workaround = enable; |
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170 | } |
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171 | |
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172 | static void |
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173 | tex_update (int name, int x, int y, int w, int stride, int h, void *bm) |
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174 | { |
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175 | glBindTexture (GL_TEXTURE_2D, name); |
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176 | |
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177 | if (!apple_nvidia_bug_workaround) |
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178 | { |
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179 | glPixelStorei (GL_UNPACK_ROW_LENGTH, stride); |
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180 | glPixelStorei (GL_UNPACK_ALIGNMENT, 1); |
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181 | glTexSubImage2D (GL_TEXTURE_2D, 0, x, y, w, h, GL_ALPHA, GL_UNSIGNED_BYTE, bm); |
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182 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
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183 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
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184 | } |
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185 | else |
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186 | { |
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187 | /* starting with 10.5.5 (or 10.5.6), pple's nvidia driver corrupts textures */ |
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188 | /* when glTexSubImage is used, so do it the horribly slow way, */ |
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189 | /* reading/patching/uploading the full texture one each change */ |
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190 | int r; |
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191 | |
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192 | glGetTexImage (GL_TEXTURE_2D, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tc_temptile); |
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193 | |
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194 | for (r = 0; r < h; ++r) |
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195 | memcpy (tc_temptile + (y + r) * TC_WIDTH + x, (char *)bm + r * stride, w); |
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196 | |
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197 | glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, TC_WIDTH, TC_HEIGHT, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tc_temptile); |
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198 | } |
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199 | } |
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200 | |
164 | static void |
201 | static void |
165 | draw_glyph (PangoRenderer *renderer_, PangoFont *font, PangoGlyph glyph, double x, double y) |
202 | draw_glyph (PangoRenderer *renderer_, PangoFont *font, PangoGlyph glyph, double x, double y) |
166 | { |
203 | { |
167 | PangoOpenGLRenderer *renderer = PANGO_OPENGL_RENDERER (renderer_); |
204 | PangoOpenGLRenderer *renderer = PANGO_OPENGL_RENDERER (renderer_); |
168 | glyph_info *g; |
205 | glyph_info *g; |
169 | float x1, y1, x2, y2; |
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170 | |
206 | |
171 | if (glyph & PANGO_GLYPH_UNKNOWN_FLAG) |
207 | if (glyph & PANGO_GLYPH_UNKNOWN_FLAG) |
172 | { |
208 | { |
173 | glyph = pango_opengl_get_unknown_glyph (font); |
209 | glyph = pango_opengl_get_unknown_glyph (font); |
174 | |
210 | |
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181 | if (!g || g->generation != tc_generation) |
217 | if (!g || g->generation != tc_generation) |
182 | { |
218 | { |
183 | Glyph bm; |
219 | Glyph bm; |
184 | font_render_glyph (&bm, font, glyph); |
220 | font_render_glyph (&bm, font, glyph); |
185 | |
221 | |
186 | if (g) |
222 | if (!g) |
187 | g->generation = tc_generation; |
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188 | else |
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189 | { |
223 | { |
190 | g = g_slice_new (glyph_info); |
224 | g = g_slice_new (glyph_info); |
191 | |
225 | |
192 | _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info); |
226 | _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info); |
193 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
227 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
194 | } |
228 | } |
195 | |
229 | |
196 | tc_get (&g->tex, bm.width, bm.height); |
230 | g->generation = tc_generation; |
197 | |
231 | |
198 | g->left = bm.left; |
232 | g->left = bm.left; |
199 | g->top = bm.top; |
233 | g->top = bm.top; |
200 | |
234 | |
201 | glBindTexture (GL_TEXTURE_2D, g->tex.name); |
235 | tc_get (&g->tex, bm.width, bm.height); |
202 | glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); |
236 | |
203 | glPixelStorei (GL_UNPACK_ALIGNMENT, 1); |
237 | if (bm.width && bm.height) |
204 | glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap); |
238 | tex_update (g->tex.name, g->tex.x, g->tex.y, bm.width, bm.stride, bm.height, bm.bitmap); |
205 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
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206 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
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207 | } |
239 | } |
208 | |
240 | |
209 | x += g->left; |
241 | x += g->left; |
210 | y -= g->top; |
242 | y -= g->top; |
211 | |
243 | |
212 | x1 = g->tex.x * (1. / TC_WIDTH ); |
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213 | y1 = g->tex.y * (1. / TC_HEIGHT); |
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214 | x2 = g->tex.w * (1. / TC_WIDTH ) + x1; |
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215 | y2 = g->tex.h * (1. / TC_HEIGHT) + y1; |
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216 | |
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217 | if (g->tex.name != renderer->key.texname) |
244 | if (g->tex.name != renderer->key.texname) |
218 | { |
245 | { |
219 | renderer->key.texname = g->tex.name; |
246 | renderer->key.texname = g->tex.name; |
220 | renderer->arr = rc_array (renderer->rc, &renderer->key); |
247 | renderer->arr = rc_array (renderer->rc, &renderer->key); |
221 | } |
248 | } |
222 | |
249 | |
223 | rc_t2f_v3f (renderer->arr, x1, y1, x , y , 0); |
250 | rc_glyph (renderer->arr, g->tex.x, g->tex.y, g->tex.w, g->tex.h, x, y); |
224 | rc_t2f_v3f (renderer->arr, x2, y1, x + g->tex.w, y , 0); |
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225 | rc_t2f_v3f (renderer->arr, x2, y2, x + g->tex.w, y + g->tex.h, 0); |
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226 | rc_t2f_v3f (renderer->arr, x1, y2, x , y + g->tex.h, 0); |
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227 | } |
251 | } |
228 | |
252 | |
229 | static void |
253 | static void |
230 | draw_trapezoid (PangoRenderer *renderer_, |
254 | draw_trapezoid (PangoRenderer *renderer_, |
231 | PangoRenderPart part, |
255 | PangoRenderPart part, |
… | |
… | |
285 | int x, int y, |
309 | int x, int y, |
286 | float r, float g, float b, float a, |
310 | float r, float g, float b, float a, |
287 | int flags) |
311 | int flags) |
288 | { |
312 | { |
289 | pango_opengl_render_layout_subpixel ( |
313 | pango_opengl_render_layout_subpixel ( |
290 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
314 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
291 | ); |
315 | ); |
292 | } |
316 | } |
293 | |
317 | |
294 | static void |
318 | static void |
295 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
319 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
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312 | |
336 | |
313 | renderer->underline = PANGO_UNDERLINE_NONE; |
337 | renderer->underline = PANGO_UNDERLINE_NONE; |
314 | renderer->strikethrough = FALSE; |
338 | renderer->strikethrough = FALSE; |
315 | |
339 | |
316 | gl->key.mode = GL_QUADS; |
340 | gl->key.mode = GL_QUADS; |
317 | gl->key.format = GL_T2F_V3F; |
341 | gl->key.format = 0; // glyphs |
318 | gl->key.texname = 0; |
342 | gl->key.texname = 0; |
319 | |
343 | |
320 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
344 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
321 | { |
345 | { |
322 | PangoAttribute *attr = l->data; |
346 | PangoAttribute *attr = l->data; |