Use uint32 instead of int for some internal bit-flags.

src/modules/graphics/Graphics.h

@@ -797,7 +797,7 @@ public:
 	/**
 	 * Gets whether the specified pixel format usage is supported.
 	 **/
-	virtual bool isPixelFormatSupported(PixelFormat format, int usage, bool sRGB = false) = 0;
+	virtual bool isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB = false) = 0;
 
 	/**
 	 * Gets the renderer used by love.graphics.

src/modules/graphics/metal/Graphics.h

@@ -110,7 +110,7 @@ public:
 	void setWireframe(bool enable) override;
 	
 	PixelFormat getSizedFormat(PixelFormat format, bool rendertarget, bool readable) const override;
-	bool isPixelFormatSupported(PixelFormat format, int usage, bool sRGB = false) override;
+	bool isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB = false) override;
 	Renderer getRenderer() const override;
 	bool usesGLSLES() const override;
 	RendererInfo getRendererInfo() const override;

src/modules/graphics/metal/Graphics.mm

@@ -1778,7 +1778,7 @@ PixelFormat Graphics::getSizedFormat(PixelFormat format, bool /*rendertarget*/,
 	}
 }
 
-bool Graphics::isPixelFormatSupported(PixelFormat format, int usage, bool sRGB)
+bool Graphics::isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB)
 {
 	bool rendertarget = (usage & PIXELFORMATUSAGEFLAGS_RENDERTARGET) != 0;
 	bool readable = (usage & PIXELFORMATUSAGEFLAGS_SAMPLE) != 0;

src/modules/graphics/opengl/Graphics.cpp

@@ -1697,7 +1697,7 @@ PixelFormat Graphics::getSizedFormat(PixelFormat format, bool rendertarget, bool
 	}
 }
 
-bool Graphics::isPixelFormatSupported(PixelFormat format, int usage, bool sRGB)
+bool Graphics::isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB)
 {
 	if (sRGB)
 	{

src/modules/graphics/opengl/Graphics.h

@@ -106,7 +106,7 @@ public:
 	void setWireframe(bool enable) override;
 
 	PixelFormat getSizedFormat(PixelFormat format, bool rendertarget, bool readable) const override;
-	bool isPixelFormatSupported(PixelFormat format, int usage, bool sRGB = false) override;
+	bool isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB = false) override;
 	Renderer getRenderer() const override;
 	bool usesGLSLES() const override;
 	RendererInfo getRendererInfo() const override;