Merge pull request #123 from raven02/patch-8

Prepare to use GL_QCOM_alpha_test

gfx_es2/gl_state.cpp

@@ -47,6 +47,13 @@ void OpenGLState::Restore() {
 	logicOp.restore(); count++;
 #endif
 
+#ifdef ANDROID
+	if (gl_extensions.QCOM_alpha_test) {
+		alphaTestQCOM.restore(); count++;
+		alphaFuncQCOM.restore(); count++;
+	}
+#endif
+
 	scissorTest.restore(); count++;
 	scissorRect.restore(); count++;
 

gfx_es2/gl_state.h

@@ -267,6 +267,12 @@ public:
 	STATE3(glStencilOp, GLenum, GLenum, GLenum, GL_KEEP, GL_KEEP, GL_KEEP) stencilOp;
 	STATE3(glStencilFunc, GLenum, GLint, GLuint, GL_ALWAYS, 0, 0xFF) stencilFunc;
 
+#ifdef ANDROID
+	// QCOM Alpha Test 
+	BoolState<GL_ALPHA_TEST_QCOM, false> alphaTestQCOM;
+	STATE2(glAlphaFuncQCOM, GLenum, GLclampf, GL_ALWAYS, 0.0f) alphaFuncQCOM;
+#endif
+
 	// Only works on Win32, all other platforms are "force-vsync"
 	void SetVSyncInterval(int interval);  // one of the above VSYNC, or a higher number for multi-frame waits (could be useful for 30hz games)
 };