Cleanup.

src/bgfx.cpp

@@ -542,10 +542,10 @@ namespace bgfx
 			.add(Attrib::TexCoord0, 2, AttribType::Float)
 			.end();
 
-		uint16_t width = 2048;
+		uint16_t width  = 2048;
 		uint16_t height = 24;
-		uint8_t bpp = 1;
-		uint32_t pitch = width*bpp;
+		uint8_t  bpp    = 1;
+		uint32_t pitch  = width*bpp;
 
 		const Memory* mem;
 
@@ -1730,7 +1730,7 @@ namespace bgfx
 #if BX_PLATFORM_OSX || BX_PLATFORM_IOS
 		{ mtl::rendererCreate,   mtl::rendererDestroy,   BGFX_RENDERER_METAL_NAME,      !!BGFX_CONFIG_RENDERER_METAL      }, // Metal
 #else
-		{ noop::rendererCreate,  noop::rendererDestroy,  BGFX_RENDERER_NOOP_NAME,       !!BGFX_CONFIG_RENDERER_NOOP       }, // Noop
+		{ noop::rendererCreate,  noop::rendererDestroy,  BGFX_RENDERER_NOOP_NAME,       false                             }, // Noop
 #endif // BX_PLATFORM_OSX || BX_PLATFORM_IOS
 		{ gl::rendererCreate,    gl::rendererDestroy,    BGFX_RENDERER_OPENGL_NAME,     !!BGFX_CONFIG_RENDERER_OPENGLES   }, // OpenGLES
 		{ gl::rendererCreate,    gl::rendererDestroy,    BGFX_RENDERER_OPENGL_NAME,     !!BGFX_CONFIG_RENDERER_OPENGL     }, // OpenGL
@@ -1837,6 +1837,10 @@ namespace bgfx
 				{
 					score += RendererType::OpenGLES == renderer ? 20 : 0;
 				}
+				else if (BX_ENABLED(BX_PLATFORM_PS4) )
+				{
+					score += RendererType::Gnm      == renderer ? 20 : 0;
+				}
 				else if (BX_ENABLED(0
 					 ||  BX_PLATFORM_XBOXONE
 					 ||  BX_PLATFORM_WINRT
@@ -3159,7 +3163,7 @@ error:
 	{
 		BGFX_CHECK_MAIN_THREAD();
 		BX_CHECK(NULL != _mem, "_mem can't be NULL");
-		if (_width == 0
+		if (_width  == 0
 		||  _height == 0)
 		{
 			release(_mem);

src/bgfx_p.h

@@ -402,13 +402,13 @@ namespace bgfx
 
 		void resize(bool _small = false, uint32_t _width = BGFX_DEFAULT_WIDTH, uint32_t _height = BGFX_DEFAULT_HEIGHT)
 		{
-			uint32_t width = bx::uint32_max(1, _width/8);
-			uint32_t height = bx::uint32_max(1, _height/(_small ? 8 : 16) );
+			uint32_t width  = bx::uint32_imax(1, _width/8);
+			uint32_t height = bx::uint32_imax(1, _height/(_small ? 8 : 16) );
 
 			if (NULL == m_mem
-			||  m_width != width
+			||  m_width  != width
 			||  m_height != height
-			||  m_small != _small)
+			||  m_small  != _small)
 			{
 				m_small  = _small;
 				m_width  = (uint16_t)width;
@@ -2187,9 +2187,14 @@ namespace bgfx
 
 		BGFX_API_FUNC(void reset(uint32_t _width, uint32_t _height, uint32_t _flags) )
 		{
-			BX_WARN(0 != _width && 0 != _height, "Frame buffer resolution width or height cannot be 0 (width %d, height %d).", _width, _height);
-			m_resolution.m_width  = bx::uint32_max(1, _width);
-			m_resolution.m_height = bx::uint32_max(1, _height);
+			BX_WARN(1 <= int32_t(_width)
+				&&  1 <= int32_t(_height)
+				, "Frame buffer resolution width or height cannot be 0 (width %d, height %d)."
+				, _width
+				, _height
+				);
+			m_resolution.m_width  = bx::uint32_imax(1, _width);
+			m_resolution.m_height = bx::uint32_imax(1, _height);
 			m_resolution.m_flags  = 0
 				| _flags
 				| (g_platformDataChangedSinceReset ? BGFX_RESET_INTERNAL_FORCE : 0)