| … | |
… | |
| 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 | |
| … | |
… | |
| 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 | |
| … | |
… | |
| 277 | int x, int y, |
309 | int x, int y, |
| 278 | float r, float g, float b, float a, |
310 | float r, float g, float b, float a, |
| 279 | int flags) |
311 | int flags) |
| 280 | { |
312 | { |
| 281 | pango_opengl_render_layout_subpixel ( |
313 | pango_opengl_render_layout_subpixel ( |
| 282 | 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 |
| 283 | ); |
315 | ); |
| 284 | } |
316 | } |
| 285 | |
317 | |
| 286 | static void |
318 | static void |
| 287 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
319 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
