… | |
… | |
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 | } |
|
|
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); |
|
|
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 | |
… | |
… | |
278 | int x, int y, |
309 | int x, int y, |
279 | float r, float g, float b, float a, |
310 | float r, float g, float b, float a, |
280 | int flags) |
311 | int flags) |
281 | { |
312 | { |
282 | pango_opengl_render_layout_subpixel ( |
313 | pango_opengl_render_layout_subpixel ( |
283 | 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 |
284 | ); |
315 | ); |
285 | } |
316 | } |
286 | |
317 | |
287 | static void |
318 | static void |
288 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
319 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
… | |
… | |
310 | gl->key.format = 0; // glyphs |
341 | gl->key.format = 0; // glyphs |
311 | gl->key.texname = 0; |
342 | gl->key.texname = 0; |
312 | |
343 | |
313 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
344 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
314 | { |
345 | { |
315 | PangoAttribute *attr = l->data; |
346 | PangoAttribute *attr = (PangoAttribute *)l->data; |
316 | |
347 | |
317 | switch (attr->klass->type) |
348 | switch (attr->klass->type) |
318 | { |
349 | { |
319 | case PANGO_ATTR_UNDERLINE: |
350 | case PANGO_ATTR_UNDERLINE: |
320 | renderer->underline = ((PangoAttrInt *)attr)->value; |
351 | renderer->underline = (PangoUnderline)((PangoAttrInt *)attr)->value; |
321 | break; |
352 | break; |
322 | |
353 | |
323 | case PANGO_ATTR_STRIKETHROUGH: |
354 | case PANGO_ATTR_STRIKETHROUGH: |
324 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
355 | renderer->strikethrough = ((PangoAttrInt *)attr)->value; |
325 | break; |
356 | break; |