diff options
Diffstat (limited to '3d.c')
| -rw-r--r-- | 3d.c | 40 |
1 files changed, 37 insertions, 3 deletions
@@ -640,18 +640,52 @@ tdPaintTransformedOutput(CompScreen * s, { tds->currentScale = tds->basicScale + (tdw->depth * ((1.0 - tds->basicScale) / tds->maxDepth)); (*s->applyScreenTransform) (s, sAttrib, output, &mTransform); - s->enableOutputClipping (s, &mTransform, region, output); + + //s->enableOutputClipping (s, &mTransform, region, output); + + GLdouble h = s->height; + + GLdouble p1[2] = { region->extents.x1, h - region->extents.y2 }; + GLdouble p2[2] = { region->extents.x2, h - region->extents.y1 }; + + GLdouble halfW = output->width / 2.0; + GLdouble halfH = output->height / 2.0; + + GLdouble cx = output->region.extents.x1 + halfW; + GLdouble cy = (h - output->region.extents.y2) + halfH; + + GLdouble top[4] = { 0.0, halfH / (cy - p1[1]), 0.0, 0.5 }; + GLdouble bottom[4] = { 0.0, halfH / (cy - p2[1]), 0.0, 0.5 }; + GLdouble left[4] = { halfW / (cx - p1[0]), 0.0, 0.0, 0.5 }; + GLdouble right[4] = { halfW / (cx - p2[0]), 0.0, 0.0, 0.5 }; + + glPushMatrix (); + glLoadMatrixf (mTransform.m); + + glClipPlane (GL_CLIP_PLANE0, top); + glClipPlane (GL_CLIP_PLANE1, bottom); + glClipPlane (GL_CLIP_PLANE2, left); + glClipPlane (GL_CLIP_PLANE3, right); + + glEnable (GL_CLIP_PLANE0); + glEnable (GL_CLIP_PLANE1); + glEnable (GL_CLIP_PLANE2); + glEnable (GL_CLIP_PLANE3); transformToScreenSpace (s, output, -sAttrib->zTranslate, &mTransform); - glPushMatrix (); glLoadMatrixf (mTransform.m); + (*s->paintWindow) (w, &w->paint, &mTransform, &infiniteRegion, PAINT_WINDOW_ON_TRANSFORMED_SCREEN_MASK); glPopMatrix (); - s->disableOutputClipping (s); + glDisable (GL_CLIP_PLANE0); + glDisable (GL_CLIP_PLANE1); + glDisable (GL_CLIP_PLANE2); + glDisable (GL_CLIP_PLANE3); + //s->disableOutputClipping (s); } } |