Handle missing/unsized formats on replay

* This can happen if someone binds an uncreated texture (!).

renderdoc/driver/gl/gl_debug.cpp

@@ -1035,6 +1035,9 @@ bool GLReplay::RenderTextureInternal(TextureDisplay cfg, bool blendAlpha)
 	
 	auto &texDetails = m_pDriver->m_Textures[cfg.texid];
 
+	if(texDetails.internalFormat == eGL_NONE)
+		return false;
+
 	bool renderbuffer = false;
 
 	int intIdx = 0;

renderdoc/driver/gl/gl_replay.cpp

@@ -1454,6 +1454,7 @@ void GLReplay::SavePipelineState()
 				GLenum levelQueryType = target == eGL_TEXTURE_CUBE_MAP ? eGL_TEXTURE_CUBE_MAP_POSITIVE_X : target;
 				GLenum fmt = eGL_NONE;
 				gl.glGetTexLevelParameteriv(levelQueryType, 0, eGL_TEXTURE_INTERNAL_FORMAT, (GLint *)&fmt);
+				fmt = GetSizedFormat(gl.GetHookset(), target, fmt);
 				if(IsDepthStencilFormat(fmt))
 				{
 					GLint depthMode;