From 2e3a3ac175ac9dbe04fbaf9f196886e7876df3a4 Mon Sep 17 00:00:00 2001
From: Baldur Karlsson <baldur@crytek.com>
Date: Wed, 6 Aug 2014 12:27:46 +0100
Subject: [PATCH] Serialise depth function as part of render state

---
 renderdoc/driver/gl/gl_renderstate.cpp | 4 ++++
 renderdoc/driver/gl/gl_renderstate.h   | 1 +
 2 files changed, 5 insertions(+)

diff --git a/renderdoc/driver/gl/gl_renderstate.cpp b/renderdoc/driver/gl/gl_renderstate.cpp
index d8660a904..be50742fe 100644
--- a/renderdoc/driver/gl/gl_renderstate.cpp
+++ b/renderdoc/driver/gl/gl_renderstate.cpp
@@ -150,6 +150,7 @@ void GLRenderState::FetchState()
 	
 	m_Real->glGetBooleanv(eGL_DEPTH_WRITEMASK, &DepthWriteMask);
 	m_Real->glGetFloatv(eGL_DEPTH_CLEAR_VALUE, &DepthClearValue);
+	m_Real->glGetIntegerv(eGL_DEPTH_FUNC, (GLint *)&DepthFunc);
 	
 	for(GLuint i=0; i < (GLuint)ARRAY_COUNT(DepthRanges); i++)
 		m_Real->glGetDoublei_v(eGL_DEPTH_RANGE, i, &DepthRanges[i].nearZ);
@@ -336,6 +337,7 @@ void GLRenderState::ApplyState()
 	
 	m_Real->glDepthMask(DepthWriteMask);
 	m_Real->glClearDepth(DepthClearValue);
+	m_Real->glDepthFunc(DepthFunc);
 	
 	for(GLuint i=0; i < (GLuint)ARRAY_COUNT(DepthRanges); i++)
 	{
@@ -398,6 +400,7 @@ void GLRenderState::Clear()
 	RDCEraseEl(DepthClearValue);
 	RDCEraseEl(DepthRanges);
 	RDCEraseEl(DepthBounds);
+	RDCEraseEl(DepthFunc);
 	RDCEraseEl(StencilFront);
 	RDCEraseEl(StencilBack);
 	RDCEraseEl(ColorMasks);
@@ -496,6 +499,7 @@ void GLRenderState::Serialise(LogState state, void *ctx, GLResourceManager *rm)
 	
 	m_pSerialiser->Serialise("GL_DEPTH_WRITEMASK", DepthWriteMask);
 	m_pSerialiser->Serialise("GL_DEPTH_CLEAR_VALUE", DepthClearValue);
+	m_pSerialiser->Serialise("GL_DEPTH_FUNC", DepthFunc);
 	
 	for(size_t i=0; i < ARRAY_COUNT(DepthRanges); i++)
 	{
diff --git a/renderdoc/driver/gl/gl_renderstate.h b/renderdoc/driver/gl/gl_renderstate.h
index 3d65f64f9..507e07689 100644
--- a/renderdoc/driver/gl/gl_renderstate.h
+++ b/renderdoc/driver/gl/gl_renderstate.h
@@ -141,6 +141,7 @@ struct GLRenderState
 
 	uint8_t DepthWriteMask;
 	float DepthClearValue;
+	GLenum DepthFunc;
 	struct
 	{
 		double nearZ, farZ;