void
BufferCanvas::Commit(Canvas &other)
{
assert(IsDefined());
assert(active);
assert(GetWidth() == other.GetWidth());
assert(GetHeight() == other.GetHeight());
if (frame_buffer != NULL) {
frame_buffer->Unbind();
/* restore the old viewport */
assert(OpenGL::translate == RasterPoint(0, 0));
OpenGL::SetupViewport(old_size);
OpenGL::translate = old_translate;
glPopMatrix();
/* copy frame buffer to screen */
CopyTo(other);
} else {
assert(offset == other.offset);
/* copy screen to texture */
CopyToTexture(*texture, GetRect());
}
active = false;
}
void
BufferCanvas::Commit(Canvas &other)
{
assert(IsDefined());
assert(active);
assert(GetWidth() == other.GetWidth());
assert(GetHeight() == other.GetHeight());
if (frame_buffer != nullptr) {
assert(OpenGL::translate.x == 0);
assert(OpenGL::translate.y == 0);
frame_buffer->Unbind();
/* restore the old viewport */
assert(OpenGL::translate == RasterPoint(0, 0));
#ifdef HAVE_GLES
/* there's no glPopAttrib() on GL/ES; emulate it */
glViewport(old_viewport[0], old_viewport[1],
old_viewport[2], old_viewport[3]);
#else
glPopAttrib();
#endif
#ifdef USE_GLSL
OpenGL::projection_matrix = old_projection_matrix;
OpenGL::UpdateShaderProjectionMatrix();
#else
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
#endif
OpenGL::translate = old_translate;
OpenGL::viewport_size = old_size;
#ifdef USE_GLSL
glVertexAttrib4f(OpenGL::Attribute::TRANSLATE,
OpenGL::translate.x, OpenGL::translate.y, 0, 0);
#endif
#ifdef SOFTWARE_ROTATE_DISPLAY
OpenGL::display_orientation = old_orientation;
#endif
/* copy frame buffer to screen */
CopyTo(other);
} else {
assert(offset == other.offset);
/* copy screen to texture */
CopyToTexture(*texture, GetRect());
}
active = false;
}
