… | |
… | |
60 | if (size > alloc) |
60 | if (size > alloc) |
61 | { |
61 | { |
62 | size = (size + 4095) & ~4095; |
62 | size = (size + 4095) & ~4095; |
63 | free (buffer); |
63 | free (buffer); |
64 | alloc = size; |
64 | alloc = size; |
65 | buffer = malloc (size); |
65 | buffer = (char *)malloc (size); |
66 | } |
66 | } |
67 | |
67 | |
68 | return buffer; |
68 | return buffer; |
69 | } |
69 | } |
70 | |
70 | |
… | |
… | |
90 | glyph->width = width; |
90 | glyph->width = width; |
91 | glyph->height = height; |
91 | glyph->height = height; |
92 | glyph->top = top; |
92 | glyph->top = top; |
93 | glyph->left = left; |
93 | glyph->left = left; |
94 | |
94 | |
95 | glyph->bitmap = temp_buffer (width * height); |
95 | glyph->bitmap = (uint8_t *)temp_buffer (width * height); |
96 | memset (glyph->bitmap, 0, glyph->stride * height); |
96 | memset (glyph->bitmap, 0, glyph->stride * height); |
97 | |
97 | |
98 | for (i = width; i--; ) |
98 | for (i = width; i--; ) |
99 | glyph->bitmap [i] = glyph->bitmap [i + (height - 1) * glyph->stride] = 0xff; |
99 | glyph->bitmap [i] = glyph->bitmap [i + (height - 1) * glyph->stride] = 0xff; |
100 | |
100 | |
… | |
… | |
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); expected cfplus default */ |
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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_ALIGNMENT, 4);*/ |
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183 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
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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 | } |
|
|
199 | } |
|
|
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; |
|
|
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 | |
175 | if (glyph == PANGO_GLYPH_EMPTY) |
211 | if (glyph == PANGO_GLYPH_EMPTY) |
176 | glyph = PANGO_GLYPH_UNKNOWN_FLAG; |
212 | glyph = PANGO_GLYPH_UNKNOWN_FLAG; |
177 | } |
213 | } |
178 | |
214 | |
179 | g = _pango_opengl_font_get_cache_glyph_data (font, glyph); |
215 | g = (glyph_info *)_pango_opengl_font_get_cache_glyph_data (font, glyph); |
180 | |
216 | |
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; |
|
|
188 | else |
|
|
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); |
|
|
206 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
|
|
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 ); |
|
|
213 | y1 = g->tex.y * (1. / TC_HEIGHT); |
|
|
214 | x2 = g->tex.w * (1. / TC_WIDTH ) + x1; |
|
|
215 | y2 = g->tex.h * (1. / TC_HEIGHT) + y1; |
|
|
216 | |
|
|
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); |
|
|
225 | rc_t2f_v3f (renderer->arr, x2, y2, x + g->tex.w, y + g->tex.h, 0); |
|
|
226 | rc_t2f_v3f (renderer->arr, x1, y2, x , y + g->tex.h, 0); |
|
|
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, |
… | |
… | |
252 | rc_v2f (arr, x12, y2); |
276 | rc_v2f (arr, x12, y2); |
253 | } |
277 | } |
254 | |
278 | |
255 | void |
279 | void |
256 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
280 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
|
|
281 | rc_t *rc, |
257 | int x, int y, |
282 | int x, int y, |
258 | float r, float g, float b, float a, |
283 | float r, float g, float b, float a, |
259 | int flags) |
284 | int flags) |
260 | { |
285 | { |
261 | PangoContext *context; |
286 | PangoContext *context; |
… | |
… | |
266 | context = pango_layout_get_context (layout); |
291 | context = pango_layout_get_context (layout); |
267 | fontmap = pango_context_get_font_map (context); |
292 | fontmap = pango_context_get_font_map (context); |
268 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
293 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
269 | gl = PANGO_OPENGL_RENDERER (renderer); |
294 | gl = PANGO_OPENGL_RENDERER (renderer); |
270 | |
295 | |
271 | gl->rc = rc_alloc (); |
296 | gl->rc = rc; |
272 | gl->r = r; |
297 | gl->r = r; |
273 | gl->g = g; |
298 | gl->g = g; |
274 | gl->b = b; |
299 | gl->b = b; |
275 | gl->a = a; |
300 | gl->a = a; |
276 | gl->flags = flags; |
301 | gl->flags = flags; |
277 | |
302 | |
278 | glEnable (GL_TEXTURE_2D); |
|
|
279 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
|
|
280 | glEnable (GL_BLEND); |
|
|
281 | gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, |
|
|
282 | GL_ONE , GL_ONE_MINUS_SRC_ALPHA); |
|
|
283 | glEnable (GL_ALPHA_TEST); |
|
|
284 | glAlphaFunc (GL_GREATER, 0.01f); |
|
|
285 | |
|
|
286 | pango_renderer_draw_layout (renderer, layout, x, y); |
303 | pango_renderer_draw_layout (renderer, layout, x, y); |
287 | |
|
|
288 | rc_draw (gl->rc); |
|
|
289 | |
|
|
290 | glDisable (GL_ALPHA_TEST); |
|
|
291 | glDisable (GL_BLEND); |
|
|
292 | glDisable (GL_TEXTURE_2D); |
|
|
293 | |
|
|
294 | rc_free (gl->rc); |
|
|
295 | } |
304 | } |
296 | |
305 | |
297 | void |
306 | void |
298 | pango_opengl_render_layout (PangoLayout *layout, |
307 | pango_opengl_render_layout (PangoLayout *layout, |
|
|
308 | rc_t *rc, |
299 | int x, int y, |
309 | int x, int y, |
300 | float r, float g, float b, float a, |
310 | float r, float g, float b, float a, |
301 | int flags) |
311 | int flags) |
302 | { |
312 | { |
303 | pango_opengl_render_layout_subpixel (layout, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags); |
313 | pango_opengl_render_layout_subpixel ( |
|
|
314 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
|
|
315 | ); |
304 | } |
316 | } |
305 | |
317 | |
306 | static void |
318 | static void |
307 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
319 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
308 | { |
320 | { |
… | |
… | |
324 | |
336 | |
325 | renderer->underline = PANGO_UNDERLINE_NONE; |
337 | renderer->underline = PANGO_UNDERLINE_NONE; |
326 | renderer->strikethrough = FALSE; |
338 | renderer->strikethrough = FALSE; |
327 | |
339 | |
328 | gl->key.mode = GL_QUADS; |
340 | gl->key.mode = GL_QUADS; |
329 | gl->key.format = GL_T2F_V3F; |
341 | gl->key.format = 0; // glyphs |
330 | gl->key.texname = 0; |
342 | gl->key.texname = 0; |
331 | |
343 | |
332 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
344 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
333 | { |
345 | { |
334 | PangoAttribute *attr = l->data; |
346 | PangoAttribute *attr = (PangoAttribute *)l->data; |
335 | |
347 | |
336 | switch (attr->klass->type) |
348 | switch (attr->klass->type) |
337 | { |
349 | { |
338 | case PANGO_ATTR_UNDERLINE: |
350 | case PANGO_ATTR_UNDERLINE: |
339 | renderer->underline = ((PangoAttrInt *)attr)->value; |
351 | renderer->underline = (PangoUnderline)((PangoAttrInt *)attr)->value; |
340 | break; |
352 | break; |
341 | |
353 | |
342 | case PANGO_ATTR_STRIKETHROUGH: |
354 | case PANGO_ATTR_STRIKETHROUGH: |
343 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
355 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
344 | break; |
356 | break; |