Handle texel-pixel offset with diferents graphics APIs.

This commit is contained in:
LuisAntonRebollo 2014-04-17 20:33:51 +02:00
parent 2142d452d4
commit bc80fbf966

View file

@ -21,6 +21,7 @@
//-----------------------------------------------------------------------------
#include "gfx/util/screenspace.h"
#include "gfx/gfxDevice.h"
// The conversion from screen space to the render target
// is made more complex because screen space is relative
@ -41,9 +42,11 @@ void ScreenSpace::RenderTargetParameters(const Point3I &targetSize, const RectI
Point2F targetScale( (F32)targetViewport.extent.x / (F32)targetSize.x,
(F32)targetViewport.extent.y / (F32)targetSize.y );
bool hasTexelPixelOffset = GFX->getAdapterType() == Direct3D9;
// Get the target half pixel size.
const Point2F halfPixel( 0.5f / targetSize.x,
0.5f / targetSize.y );
const Point2F halfPixel( hasTexelPixelOffset ? 0.5f / targetSize.x : 0.0,
hasTexelPixelOffset ? 0.5f / targetSize.y : 0.0);
rtParams.set( targetOffset.x + halfPixel.x,
targetOffset.y + halfPixel.y,