gsdx debug: Add DISABLE_WIP_ASSERTION

To easily disable assertion on codes that only require investigation

plugins/GSdx/GSRendererHW.cpp

@@ -228,7 +228,9 @@ GSTexture* GSRendererHW::GetOutput(int i, int& y_offset)
 		if (delta > 0) {
 			// Code was corrected to use generic format. But I'm not sure behavior is correct.
 			// Let's keep the warning to easily spot game that trigger this code path.
+#ifndef DISABLE_WIP_ASSERTION
 			ASSERT(DISPFB.PSM == PSM_PSMCT32 || DISPFB.PSM == PSM_PSMCT24);
+#endif
 
 			int pages = delta >> 5u;
 			int y_pages = pages / DISPFB.FBW;

plugins/GSdx/GSRendererOGL.cpp

@@ -562,7 +562,9 @@ void GSRendererOGL::EmulateChannelShuffle(GSTexture** rt, const GSTextureCache::
 		} else {
 			GL_INS("channel not supported");
 			m_channel_shuffle = false;
+#ifndef DISABLE_WIP_ASSERTION
 			ASSERT(0);
+#endif
 		}
 	}
 
@@ -756,7 +758,9 @@ void GSRendererOGL::EmulateTextureSampler(const GSTextureCache::Source* tex)
 
 	// Depth + bilinear filtering isn't done yet (And I'm not sure we need it anyway but a game will prove me wrong)
 	// So of course, GTA set the linear mode, but sampling is done at texel center so it is equivalent to nearest sampling
+#ifndef DISABLE_WIP_ASSERTION
 	ASSERT(!(psm.depth && m_vt.IsLinear()));
+#endif
 
 	// Performance note:
 	// 1/ Don't set 0 as it is the default value

plugins/GSdx/config.h

@@ -52,3 +52,7 @@
 #ifdef _WIN32
 //#define ENABLE_OPENCL
 #endif
+
+// Disable harmless assertion on stuff not yet finish. Or that requires investigation.
+// Goal of the define is to allow to run a debug build without too much pain.
+//#define DISABLE_WIP_ASSERTION