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38 | PangoRenderer parent_instance; |
38 | PangoRenderer parent_instance; |
39 | float r, g, b, a; // modulate |
39 | float r, g, b, a; // modulate |
40 | int flags; |
40 | int flags; |
41 | rc_t *rc; // rendercache |
41 | rc_t *rc; // rendercache |
42 | rc_key_t key; // current render key |
42 | rc_key_t key; // current render key |
43 | rc_array_t *arr; |
43 | rc_t::array_t *arr; |
44 | }; |
44 | }; |
45 | |
45 | |
46 | G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER) |
46 | G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER) |
47 | |
47 | |
48 | typedef struct |
48 | typedef struct |
… | |
… | |
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 | } |
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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; |
… | |
… | |
173 | |
210 | |
174 | if (glyph == PANGO_GLYPH_EMPTY) |
211 | if (glyph == PANGO_GLYPH_EMPTY) |
175 | glyph = PANGO_GLYPH_UNKNOWN_FLAG; |
212 | glyph = PANGO_GLYPH_UNKNOWN_FLAG; |
176 | } |
213 | } |
177 | |
214 | |
178 | g = _pango_opengl_font_get_cache_glyph_data (font, glyph); |
215 | g = (glyph_info *)_pango_opengl_font_get_cache_glyph_data (font, glyph); |
179 | |
216 | |
180 | if (!g || g->generation != tc_generation) |
217 | if (!g || g->generation != tc_generation) |
181 | { |
218 | { |
182 | Glyph bm; |
219 | Glyph bm; |
183 | font_render_glyph (&bm, font, glyph); |
220 | font_render_glyph (&bm, font, glyph); |
… | |
… | |
189 | _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); |
190 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
227 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
191 | } |
228 | } |
192 | |
229 | |
193 | g->generation = tc_generation; |
230 | g->generation = tc_generation; |
194 | tc_get (&g->tex, bm.width, bm.height); |
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195 | |
231 | |
196 | g->left = bm.left; |
232 | g->left = bm.left; |
197 | g->top = bm.top; |
233 | g->top = bm.top; |
198 | |
234 | |
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235 | tc_get (&g->tex, bm.width, bm.height); |
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236 | |
199 | if (bm.width && bm.height) |
237 | if (bm.width && bm.height) |
200 | { |
238 | tex_update (g->tex.name, g->tex.x, g->tex.y, bm.width, bm.stride, bm.height, bm.bitmap); |
201 | glBindTexture (GL_TEXTURE_2D, g->tex.name); |
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202 | glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); |
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203 | glPixelStorei (GL_UNPACK_ALIGNMENT, 1); |
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204 | glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap); |
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205 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
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206 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
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207 | } |
|
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208 | } |
239 | } |
209 | |
240 | |
210 | x += g->left; |
241 | x += g->left; |
211 | y -= g->top; |
242 | y -= g->top; |
212 | |
243 | |
213 | if (g->tex.name != renderer->key.texname) |
244 | if (g->tex.name != renderer->key.texname) |
214 | { |
245 | { |
215 | renderer->key.texname = g->tex.name; |
246 | renderer->key.texname = g->tex.name; |
216 | renderer->arr = rc_array (renderer->rc, &renderer->key); |
247 | renderer->arr = &renderer->rc->array (renderer->key); |
217 | } |
248 | } |
218 | |
249 | |
219 | rc_glyph (renderer->arr, g->tex.x, g->tex.y, g->tex.w, g->tex.h, x, y); |
250 | renderer->arr->glyph (g->tex.x, g->tex.y, g->tex.w, g->tex.h, x, y); |
220 | } |
251 | } |
221 | |
252 | |
222 | static void |
253 | static void |
223 | draw_trapezoid (PangoRenderer *renderer_, |
254 | draw_trapezoid (PangoRenderer *renderer_, |
224 | PangoRenderPart part, |
255 | PangoRenderPart part, |
… | |
… | |
229 | double x12, |
260 | double x12, |
230 | double x22) |
261 | double x22) |
231 | { |
262 | { |
232 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
263 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
233 | rc_key_t key = renderer->key; |
264 | rc_key_t key = renderer->key; |
234 | rc_array_t *arr; |
|
|
235 | |
265 | |
236 | key.mode = GL_QUADS; |
266 | key.mode = GL_QUADS; |
237 | key.format = GL_V2F; |
267 | key.format = GL_V2F; |
238 | key.texname = 0; |
268 | key.texname = 0; |
239 | |
269 | |
240 | arr = rc_array (renderer->rc, &key); |
270 | auto &arr = renderer->rc->array (key); |
241 | |
271 | |
242 | rc_v2f (arr, x11, y1); |
272 | arr.v2f (x11, y1); |
243 | rc_v2f (arr, x21, y1); |
273 | arr.v2f (x21, y1); |
244 | rc_v2f (arr, x22, y2); |
274 | arr.v2f (x22, y2); |
245 | rc_v2f (arr, x12, y2); |
275 | arr.v2f (x12, y2); |
246 | } |
276 | } |
247 | |
277 | |
248 | void |
278 | void |
249 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
279 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
250 | rc_t *rc, |
280 | rc_t *rc, |
251 | int x, int y, |
281 | int x, int y, |
252 | float r, float g, float b, float a, |
282 | float r, float g, float b, float a, |
253 | int flags) |
283 | int flags) |
… | |
… | |
260 | context = pango_layout_get_context (layout); |
290 | context = pango_layout_get_context (layout); |
261 | fontmap = pango_context_get_font_map (context); |
291 | fontmap = pango_context_get_font_map (context); |
262 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
292 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
263 | gl = PANGO_OPENGL_RENDERER (renderer); |
293 | gl = PANGO_OPENGL_RENDERER (renderer); |
264 | |
294 | |
265 | gl->rc = rc; |
295 | gl->rc = rc; |
266 | gl->r = r; |
296 | gl->r = r; |
267 | gl->g = g; |
297 | gl->g = g; |
268 | gl->b = b; |
298 | gl->b = b; |
269 | gl->a = a; |
299 | gl->a = a; |
270 | gl->flags = flags; |
300 | gl->flags = flags; |
271 | |
301 | |
272 | pango_renderer_draw_layout (renderer, layout, x, y); |
302 | pango_renderer_draw_layout (renderer, layout, x, y); |
273 | } |
303 | } |
274 | |
304 | |
275 | void |
305 | void |
276 | pango_opengl_render_layout (PangoLayout *layout, |
306 | pango_opengl_render_layout (PangoLayout *layout, |
277 | rc_t *rc, |
307 | rc_t *rc, |
278 | int x, int y, |
308 | int x, int y, |
279 | float r, float g, float b, float a, |
309 | float r, float g, float b, float a, |
280 | int flags) |
310 | int flags) |
281 | { |
311 | { |
282 | pango_opengl_render_layout_subpixel ( |
312 | pango_opengl_render_layout_subpixel ( |
283 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
313 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
284 | ); |
314 | ); |
285 | } |
315 | } |
286 | |
316 | |
287 | static void |
317 | static void |
288 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
318 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
… | |
… | |
310 | gl->key.format = 0; // glyphs |
340 | gl->key.format = 0; // glyphs |
311 | gl->key.texname = 0; |
341 | gl->key.texname = 0; |
312 | |
342 | |
313 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
343 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
314 | { |
344 | { |
315 | PangoAttribute *attr = l->data; |
345 | PangoAttribute *attr = (PangoAttribute *)l->data; |
316 | |
346 | |
317 | switch (attr->klass->type) |
347 | switch (attr->klass->type) |
318 | { |
348 | { |
319 | case PANGO_ATTR_UNDERLINE: |
349 | case PANGO_ATTR_UNDERLINE: |
320 | renderer->underline = ((PangoAttrInt *)attr)->value; |
350 | renderer->underline = (PangoUnderline)((PangoAttrInt *)attr)->value; |
321 | break; |
351 | break; |
322 | |
352 | |
323 | case PANGO_ATTR_STRIKETHROUGH: |
353 | case PANGO_ATTR_STRIKETHROUGH: |
324 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
354 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
325 | break; |
355 | break; |
… | |
… | |
337 | { |
367 | { |
338 | r = fg->red * (255.f / 65535.f); |
368 | r = fg->red * (255.f / 65535.f); |
339 | g = fg->green * (255.f / 65535.f); |
369 | g = fg->green * (255.f / 65535.f); |
340 | b = fg->blue * (255.f / 65535.f); |
370 | b = fg->blue * (255.f / 65535.f); |
341 | } |
371 | } |
342 | else |
372 | else |
343 | { |
373 | { |
344 | r = gl->r * 255.f; |
374 | r = gl->r * 255.f; |
345 | g = gl->g * 255.f; |
375 | g = gl->g * 255.f; |
346 | b = gl->b * 255.f; |
376 | b = gl->b * 255.f; |
347 | } |
377 | } |