… | |
… | |
36 | struct _PangoOpenGLRenderer |
36 | struct _PangoOpenGLRenderer |
37 | { |
37 | { |
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 | GLuint curtex; // current texture |
41 | rc_t *rc; // rendercache |
|
|
42 | rc_key_t key; // current render key |
|
|
43 | rc_array_t *arr; |
42 | }; |
44 | }; |
43 | |
45 | |
44 | G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER) |
46 | G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER) |
45 | |
47 | |
46 | typedef struct |
48 | typedef struct |
… | |
… | |
189 | |
191 | |
190 | _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info); |
192 | _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info); |
191 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
193 | _pango_opengl_font_set_cache_glyph_data (font, glyph, g); |
192 | } |
194 | } |
193 | |
195 | |
194 | if (renderer->curtex) |
|
|
195 | glEnd (); |
|
|
196 | |
|
|
197 | tc_get (&g->tex, bm.width, bm.height); |
196 | tc_get (&g->tex, bm.width, bm.height); |
198 | |
197 | |
199 | g->left = bm.left; |
198 | g->left = bm.left; |
200 | g->top = bm.top; |
199 | g->top = bm.top; |
201 | |
200 | |
… | |
… | |
203 | glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); |
202 | glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); |
204 | glPixelStorei (GL_UNPACK_ALIGNMENT, 1); |
203 | glPixelStorei (GL_UNPACK_ALIGNMENT, 1); |
205 | glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap); |
204 | glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap); |
206 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
205 | glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); |
207 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
206 | glPixelStorei (GL_UNPACK_ALIGNMENT, 4); |
208 | |
|
|
209 | renderer->curtex = g->tex.name; |
|
|
210 | glBegin (GL_QUADS); |
|
|
211 | } |
207 | } |
212 | |
208 | |
213 | x += g->left; |
209 | x += g->left; |
214 | y -= g->top; |
210 | y -= g->top; |
215 | |
211 | |
216 | x1 = g->tex.x * (1. / TC_WIDTH ); |
212 | x1 = g->tex.x * (1. / TC_WIDTH ); |
217 | y1 = g->tex.y * (1. / TC_HEIGHT); |
213 | y1 = g->tex.y * (1. / TC_HEIGHT); |
218 | x2 = g->tex.w * (1. / TC_WIDTH ) + x1; |
214 | x2 = g->tex.w * (1. / TC_WIDTH ) + x1; |
219 | y2 = g->tex.h * (1. / TC_HEIGHT) + y1; |
215 | y2 = g->tex.h * (1. / TC_HEIGHT) + y1; |
220 | |
216 | |
221 | if (g->tex.name != renderer->curtex) |
217 | if (g->tex.name != renderer->key.texname) |
222 | { |
218 | { |
223 | if (renderer->curtex) |
|
|
224 | glEnd (); |
|
|
225 | |
|
|
226 | glBindTexture (GL_TEXTURE_2D, g->tex.name); |
|
|
227 | renderer->curtex = g->tex.name; |
219 | renderer->key.texname = g->tex.name; |
228 | |
220 | renderer->arr = rc_array (renderer->rc, &renderer->key); |
229 | glBegin (GL_QUADS); |
|
|
230 | } |
221 | } |
231 | |
222 | |
232 | glTexCoord2f (x1, y1); glVertex2i (x , y ); |
223 | rc_t2f_v3f (x1, y1, x , y , 0); |
233 | glTexCoord2f (x2, y1); glVertex2i (x + g->tex.w, y ); |
224 | rc_t2f_v3f (x2, y1, x + g->tex.w, y , 0); |
234 | glTexCoord2f (x2, y2); glVertex2i (x + g->tex.w, y + g->tex.h); |
225 | rc_t2f_v3f (x2, y2, x + g->tex.w, y + g->tex.h, 0); |
235 | glTexCoord2f (x1, y2); glVertex2i (x , y + g->tex.h); |
226 | rc_t2f_v3f (x1, y2, x , y + g->tex.h, 0); |
236 | } |
227 | } |
237 | |
228 | |
238 | static void |
229 | static void |
239 | draw_trapezoid (PangoRenderer *renderer_, |
230 | draw_trapezoid (PangoRenderer *renderer_, |
240 | PangoRenderPart part, |
231 | PangoRenderPart part, |
… | |
… | |
244 | double y2, |
235 | double y2, |
245 | double x12, |
236 | double x12, |
246 | double x22) |
237 | double x22) |
247 | { |
238 | { |
248 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
239 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
|
|
240 | rc_key_t key = renderer->key; |
|
|
241 | rc_array_t *arr; |
249 | |
242 | |
250 | if (renderer->curtex) |
243 | key.mode = GL_QUADS; |
251 | { |
244 | key.format = GL_V2F; |
252 | glEnd (); |
245 | key.texname = 0; |
253 | renderer->curtex = 0; |
|
|
254 | } |
|
|
255 | |
246 | |
256 | glDisable (GL_TEXTURE_2D); |
247 | arr = rc_array (renderer->rc, &key); |
257 | |
248 | |
258 | glBegin (GL_QUADS); |
249 | rc_v2f (x11, y1); |
259 | glVertex2d (x11, y1); |
250 | rc_v2f (x21, y1); |
260 | glVertex2d (x21, y1); |
251 | rc_v2f (x22, y2); |
261 | glVertex2d (x22, y2); |
252 | rc_v2f (x12, y2); |
262 | glVertex2d (x12, y2); |
|
|
263 | glEnd (); |
|
|
264 | |
|
|
265 | glEnable (GL_TEXTURE_2D); |
|
|
266 | } |
253 | } |
267 | |
254 | |
268 | void |
255 | void |
269 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
256 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
270 | int x, int y, |
257 | int x, int y, |
… | |
… | |
298 | } |
285 | } |
299 | |
286 | |
300 | static void |
287 | static void |
301 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
288 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
302 | { |
289 | { |
|
|
290 | memset (&renderer->key, 0, sizeof (rc_key_t)); |
|
|
291 | |
303 | renderer->r = 1.; |
292 | renderer->r = 1.; |
304 | renderer->g = 1.; |
293 | renderer->g = 1.; |
305 | renderer->b = 1.; |
294 | renderer->b = 1.; |
306 | renderer->a = 1.; |
295 | renderer->a = 1.; |
307 | } |
296 | } |
… | |
… | |
314 | GSList *l; |
303 | GSList *l; |
315 | unsigned char r, g, b, a; |
304 | unsigned char r, g, b, a; |
316 | |
305 | |
317 | renderer->underline = PANGO_UNDERLINE_NONE; |
306 | renderer->underline = PANGO_UNDERLINE_NONE; |
318 | renderer->strikethrough = FALSE; |
307 | renderer->strikethrough = FALSE; |
|
|
308 | |
|
|
309 | renderer->key.mode = GL_QUADS; |
|
|
310 | renderer->key.format = GL_T2F_V2F; |
|
|
311 | renderer->key.texname = 0; |
319 | |
312 | |
320 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
313 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
321 | { |
314 | { |
322 | PangoAttribute *attr = l->data; |
315 | PangoAttribute *attr = l->data; |
323 | |
316 | |
… | |
… | |
360 | r ^= 0xffU; |
353 | r ^= 0xffU; |
361 | g ^= 0xffU; |
354 | g ^= 0xffU; |
362 | b ^= 0xffU; |
355 | b ^= 0xffU; |
363 | } |
356 | } |
364 | |
357 | |
365 | glColor4ub (r, g, b, a); |
358 | renderer->key.r = r; |
|
|
359 | renderer->key.g = g; |
|
|
360 | renderer->key.b = b; |
|
|
361 | renderer->key.a = a; |
366 | } |
362 | } |
367 | |
363 | |
368 | static void |
364 | static void |
369 | draw_begin (PangoRenderer *renderer_) |
365 | draw_begin (PangoRenderer *renderer_) |
370 | { |
366 | { |
371 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
367 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
372 | |
|
|
373 | renderer->curtex = 0; |
|
|
374 | |
368 | |
375 | glEnable (GL_TEXTURE_2D); |
369 | glEnable (GL_TEXTURE_2D); |
376 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
370 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
377 | glEnable (GL_BLEND); |
371 | glEnable (GL_BLEND); |
378 | gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, |
372 | gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, |
… | |
… | |
384 | static void |
378 | static void |
385 | draw_end (PangoRenderer *renderer_) |
379 | draw_end (PangoRenderer *renderer_) |
386 | { |
380 | { |
387 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
381 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
388 | |
382 | |
389 | if (renderer->curtex) |
383 | rc_draw (renderer->rc); |
390 | glEnd (); |
|
|
391 | |
384 | |
392 | glDisable (GL_ALPHA_TEST); |
385 | glDisable (GL_ALPHA_TEST); |
393 | glDisable (GL_BLEND); |
386 | glDisable (GL_BLEND); |
394 | glDisable (GL_TEXTURE_2D); |
387 | glDisable (GL_TEXTURE_2D); |
395 | } |
388 | } |