diff options
Diffstat (limited to 'source/gameengine/GamePlayer/common/GPC_Canvas.cpp')
| -rw-r--r-- | source/gameengine/GamePlayer/common/GPC_Canvas.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/source/gameengine/GamePlayer/common/GPC_Canvas.cpp b/source/gameengine/GamePlayer/common/GPC_Canvas.cpp index 7581484a41f..b5c1c29238a 100644 --- a/source/gameengine/GamePlayer/common/GPC_Canvas.cpp +++ b/source/gameengine/GamePlayer/common/GPC_Canvas.cpp @@ -57,6 +57,8 @@ GPC_Canvas::GPC_Canvas( m_displayarea.m_y1 = 0; m_displayarea.m_x2 = width; m_displayarea.m_y2 = height; + + glGetIntegerv(GL_VIEWPORT, (GLint*)m_viewport); } @@ -121,11 +123,31 @@ void GPC_Canvas::SetViewPort(int x1, int y1, int x2, int y2) * whole canvas/rendertools mess. */ glEnable(GL_SCISSOR_TEST); + + m_viewport[0] = x1; + m_viewport[1] = y1; + m_viewport[2] = x2-x1 + 1; + m_viewport[3] = y2-y1 + 1; glViewport(x1,y1,x2-x1 + 1,y2-y1 + 1); glScissor(x1,y1,x2-x1 + 1,y2-y1 + 1); }; +const int *GPC_Canvas::GetViewPort() +{ +#ifdef DEBUG + // If we're in a debug build, we might as well make sure our values don't differ + // from what the gpu thinks we have. This could lead to nasty, hard to find bugs. + int viewport[4]; + glGetIntegerv(GL_VIEWPORT, viewport); + assert(viewport[0] == m_viewport[0]); + assert(viewport[1] == m_viewport[1]); + assert(viewport[2] == m_viewport[2]); + assert(viewport[3] == m_viewport[3]); +#endif + + return m_viewport; +} void GPC_Canvas::ClearBuffer( int type |