Fixed gl_FrontFacing behavior.

src/glimports.h

@@ -113,6 +113,7 @@ typedef void           (GL_APIENTRYP PFNGLFLUSHPROC) ();
 typedef void           (GL_APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
 typedef void           (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
 typedef void           (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURELAYERPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
+typedef void           (GL_APIENTRYP PFNGLFRONTFACE)(GLenum mode);
 typedef void           (GL_APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
 typedef void           (GL_APIENTRYP PFNGLGENERATEMIPMAPPROC) (GLenum target);
 typedef void           (GL_APIENTRYP PFNGLGENFRAMEBUFFERSPROC) (GLsizei n, GLuint *framebuffers);
@@ -304,6 +305,7 @@ GL_IMPORT______(false, PFNGLFLUSHPROC,                             glFlush);
 GL_IMPORT______(true,  PFNGLFRAMEBUFFERRENDERBUFFERPROC,           glFramebufferRenderbuffer);
 GL_IMPORT______(true,  PFNGLFRAMEBUFFERTEXTURE2DPROC,              glFramebufferTexture2D);
 GL_IMPORT______(true,  PFNGLFRAMEBUFFERTEXTURELAYERPROC,           glFramebufferTextureLayer);
+GL_IMPORT______(false, PFNGLFRONTFACE,                             glFrontFace);
 GL_IMPORT______(false, PFNGLGENBUFFERSPROC,                        glGenBuffers);
 GL_IMPORT______(true,  PFNGLGENERATEMIPMAPPROC,                    glGenerateMipmap);
 GL_IMPORT______(true,  PFNGLGENFRAMEBUFFERSPROC,                   glGenFramebuffers);

src/renderer_gl.cpp

@@ -6575,6 +6575,7 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 		}
 
 		GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_backBufferFbo) );
+		GL_CHECK(glFrontFace(GL_CW) );
 
 		updateResolution(_render->m_resolution);
 
@@ -7094,12 +7095,12 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 				{
 					if (BGFX_STATE_CULL_MASK & changedFlags)
 					{
-						if (BGFX_STATE_CULL_CW & newFlags)
+						if (BGFX_STATE_CULL_CCW & newFlags)
 						{
 							GL_CHECK(glEnable(GL_CULL_FACE) );
 							GL_CHECK(glCullFace(GL_BACK) );
 						}
-						else if (BGFX_STATE_CULL_CCW & newFlags)
+						else if (BGFX_STATE_CULL_CW & newFlags)
 						{
 							GL_CHECK(glEnable(GL_CULL_FACE) );
 							GL_CHECK(glCullFace(GL_FRONT) );

tools/shaderc/shaderc.cpp

@@ -18,7 +18,7 @@ extern "C"
 #define BGFX_CHUNK_MAGIC_VSH BX_MAKEFOURCC('V', 'S', 'H', 0x5)
 
 #define BGFX_SHADERC_VERSION_MAJOR 1
-#define BGFX_SHADERC_VERSION_MINOR 13
+#define BGFX_SHADERC_VERSION_MINOR 14
 
 namespace bgfx
 {
@@ -1639,7 +1639,7 @@ namespace bgfx
 							if (hlsl == 3)
 							{
 								preprocessor.writef(
-									"#define gl_FrontFacing (__vface <= 0.0)\n"
+									"#define gl_FrontFacing (__vface >= 0.0)\n"
 									);
 							}
 						}