diff --git a/examples/01-cubes/cubes.cpp b/examples/01-cubes/cubes.cpp
index 4a7f4a395..84569dc66 100644
--- a/examples/01-cubes/cubes.cpp
+++ b/examples/01-cubes/cubes.cpp
@@ -179,7 +179,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 	float view[16];
 	float proj[16];
 	mtxLookAt(view, eye, at);
-	mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+	mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 	// Set view and projection matrix for view 0.
 	bgfx::setViewTransform(0, view, proj);
diff --git a/examples/02-metaballs/metaballs.cpp b/examples/02-metaballs/metaballs.cpp
index 217abe5bf..f4904aec3 100644
--- a/examples/02-metaballs/metaballs.cpp
+++ b/examples/02-metaballs/metaballs.cpp
@@ -556,7 +556,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/03-raymarch/raymarch.cpp b/examples/03-raymarch/raymarch.cpp
index 92c35c455..39cef6971 100644
--- a/examples/03-raymarch/raymarch.cpp
+++ b/examples/03-raymarch/raymarch.cpp
@@ -266,7 +266,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 1.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/04-mesh/mesh.cpp b/examples/04-mesh/mesh.cpp
index a4ee84ad9..0503ef1da 100644
--- a/examples/04-mesh/mesh.cpp
+++ b/examples/04-mesh/mesh.cpp
@@ -364,7 +364,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/05-instancing/instancing.cpp b/examples/05-instancing/instancing.cpp
index fdec886fb..2fec00e88 100644
--- a/examples/05-instancing/instancing.cpp
+++ b/examples/05-instancing/instancing.cpp
@@ -204,7 +204,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/06-bump/bump.cpp b/examples/06-bump/bump.cpp
index 3880fc807..857006f75 100644
--- a/examples/06-bump/bump.cpp
+++ b/examples/06-bump/bump.cpp
@@ -381,7 +381,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		float lightPosRadius[4][4];
 		for (uint32_t ii = 0; ii < numLights; ++ii)
diff --git a/examples/07-callback/callback.cpp b/examples/07-callback/callback.cpp
index 0739da96e..63db39784 100644
--- a/examples/07-callback/callback.cpp
+++ b/examples/07-callback/callback.cpp
@@ -259,8 +259,11 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 {
 	BgfxCallback callback;
 
+	uint32_t width = 1280;
+	uint32_t height = 720;
+
 	bgfx::init(&callback);
-	bgfx::reset(1280, 720, BGFX_RESET_CAPTURE);
+	bgfx::reset(width, height, BGFX_RESET_CAPTURE);
 
 	// Enable debug text.
 	bgfx::setDebug(BGFX_DEBUG_TEXT);
@@ -362,7 +365,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/08-update/update.cpp b/examples/08-update/update.cpp
index 06ce0f3d9..23d099c7a 100644
--- a/examples/08-update/update.cpp
+++ b/examples/08-update/update.cpp
@@ -309,7 +309,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);
diff --git a/examples/09-hdr/hdr.cpp b/examples/09-hdr/hdr.cpp
index 8922e8e93..7f4a5fab7 100644
--- a/examples/09-hdr/hdr.cpp
+++ b/examples/09-hdr/hdr.cpp
@@ -640,7 +640,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		vec3MulMtx(temp, eye, mtx);
 
 		mtxLookAt(view, temp, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 1.
 		bgfx::setViewTransformMask(1<<1, view, proj);
diff --git a/examples/12-lod/lod.cpp b/examples/12-lod/lod.cpp
index eb4765ae2..f8763f507 100644
--- a/examples/12-lod/lod.cpp
+++ b/examples/12-lod/lod.cpp
@@ -457,7 +457,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		float view[16];
 		float proj[16];
 		mtxLookAt(view, eye, at);
-		mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
+		mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
 
 		// Set view and projection matrix for view 0.
 		bgfx::setViewTransform(0, view, proj);