Aspect ratio fixes for non-4:3 displays (projection and overlay)

[summerhack] / src / 3dengfx / src / dsys / fx.cpp

diff --git a/src/3dengfx/src/dsys/fx.cpp b/src/3dengfx/src/dsys/fx.cpp
index c089bd3..c1fd738 100644 (file)
--- a/src/3dengfx/src/dsys/fx.cpp
+++ b/src/3dengfx/src/dsys/fx.cpp
@@ -57,7 +57,7 @@ void dsys::radial_blur(Texture *tex, float ammount, const Vector2 &origin, bool
                v2 += origin;
                
                float alpha = (float)((quad_count-1) - i) / (float)quad_count;
-               dsys::overlay(tex, v1, v2, Color(1.0f, 1.0f, 1.0f, alpha), false);
+               dsys::overlay(tex, v1, v2, Color(1.0f, 1.0f, 1.0f, alpha), 0, false);
                scale += dscale;
        }
 
@@ -122,11 +122,13 @@ void dsys::overlay(Texture *tex, const Vector2 &corner1, const Vector2 &corner2,
        glMatrixMode(GL_MODELVIEW);
        glPushMatrix();
        glLoadIdentity();
-       
+
+       float aspect = (float)fxwt::screenx / fxwt::screeny;
+       float offs = (1.333333333f - aspect) / 2.0f;
        glMatrixMode(GL_PROJECTION);
        glPushMatrix();
        glLoadIdentity();
-       glOrtho(0.0, 1.0, 1.0, 0.0, 0.0, 1.0);
+       glOrtho(offs, 1.0 - offs, 1.0, 0.0, 0.0, 1.0);
 
        set_lighting(false);
        set_zbuffering(false);