comparison: src/gl/partrenderer.cpp
src/gl/partrenderer.cpp
- changeset 238
- b8ad4c12d937
- parent 237
- 10a6298f636f
- child 246
- 86a35ce38773
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| 237:10a6298f636f | 238:b8ad4c12d937 |
|---|---|
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 */ | 17 */ |
| 18 | 18 |
| 19 #include <glm/ext/matrix_transform.hpp> | 19 #include <glm/ext/matrix_transform.hpp> |
| 20 #include <glm/ext/matrix_clip_space.hpp> | 20 #include <glm/ext/matrix_clip_space.hpp> |
| 21 #include <QOpenGLFramebufferObject> | |
| 21 #include <QPainter> | 22 #include <QPainter> |
| 22 #include <GL/glu.h> | 23 #include <GL/glu.h> |
| 23 #include <QMouseEvent> | 24 #include <QMouseEvent> |
| 24 #include <QMessageBox> | 25 #include <QMessageBox> |
| 25 #include <QAbstractButton> | 26 #include <QAbstractButton> |
| 459 // and multiply the pixel positions by the screen pixel scaling factor. | 460 // and multiply the pixel positions by the screen pixel scaling factor. |
| 460 where *= this->devicePixelRatioF(); | 461 where *= this->devicePixelRatioF(); |
| 461 const gl::RenderStyle oldRenderStyle = this->renderPreferences.style; | 462 const gl::RenderStyle oldRenderStyle = this->renderPreferences.style; |
| 462 this->renderPreferences.style = gl::RenderStyle::PickScene; | 463 this->renderPreferences.style = gl::RenderStyle::PickScene; |
| 463 this->makeCurrent(); | 464 this->makeCurrent(); |
| 465 QOpenGLFramebufferObject fbo{this->width(), this->height(), QOpenGLFramebufferObject::CombinedDepthStencil}; | |
| 466 fbo.bind(); | |
| 464 this->renderScene(); | 467 this->renderScene(); |
| 465 std::array<GLubyte, 3> data; | 468 std::array<GLubyte, 3> data; |
| 466 this->checkForGLErrors(); | 469 this->checkForGLErrors(); |
| 467 glfunc.glReadPixels(where.x(), where.y(), 1, 1, GL_RGB, GL_UNSIGNED_BYTE, &data[0]); | 470 glfunc.glReadPixels(where.x(), where.y(), 1, 1, GL_RGB, GL_UNSIGNED_BYTE, &data[0]); |
| 468 this->checkForGLErrors(); | 471 this->checkForGLErrors(); |
| 472 fbo.release(); | |
| 469 this->renderPreferences.style = oldRenderStyle; | 473 this->renderPreferences.style = oldRenderStyle; |
| 470 this->update(); | |
| 471 return gl::idFromColor(data); | 474 return gl::idFromColor(data); |
| 472 } | 475 } |
| 473 | 476 |
| 474 /** | 477 /** |
| 475 * @brief Changes the color of rendered fragments | 478 * @brief Changes the color of rendered fragments |
