GFSDK_HBAO+_distro_r3.0_cl20573789

1 files changed, 88 insertions, 0 deletions

diff --git a/src/AppState_GL.h b/src/AppState_GL.h
new file mode 100644
index 0000000..6ef03b2
--- /dev/null
+++ b/src/AppState_GL.h
@@ -0,0 +1,88 @@
+/* 
+* Copyright (c) 2008-2016, NVIDIA CORPORATION. All rights reserved. 
+* 
+* NVIDIA CORPORATION and its licensors retain all intellectual property 
+* and proprietary rights in and to this software, related documentation 
+* and any modifications thereto. Any use, reproduction, disclosure or 
+* distribution of this software and related documentation without an express 
+* license agreement from NVIDIA CORPORATION is strictly prohibited. 
+*/
+
+#pragma once
+#include "Common.h"
+
+namespace GFSDK
+{
+namespace SSAO
+{
+namespace GL
+{
+
+#if SUPPORT_GL
+
+//--------------------------------------------------------------------------------
+class AppState
+{
+public:
+    AppState()
+    {
+        memset(this, 0, sizeof(*this));
+    }
+
+    void EnableState(const GFSDK_SSAO_GLFunctions& GL, GLboolean IsEnabled, GLenum Cap)
+    {
+        if (IsEnabled)
+        {
+            GL.glEnable(Cap);
+        }
+        else
+        {
+            GL.glDisable(Cap);
+        }
+    }
+
+    void Save(const GFSDK_SSAO_GLFunctions& GL);
+    void Restore(const GFSDK_SSAO_GLFunctions& GL);
+
+private:
+    GLint m_DrawFBO;
+    GLint m_VAO;
+
+    GLint m_ContextUBO;
+    GLint m_BindPointUBOs[3];
+
+    GLint m_ActiveTexture;
+    GLint m_TextureBinding2D;
+    GLint m_TextureBinding2DArray;
+
+    GLint m_Program;
+
+    GLint m_Viewport[4];
+    GLfloat m_PolygonOffsetFactor;
+    GLfloat m_PolygonOffsetUnits;
+
+    GLboolean m_CullFace;
+    GLboolean m_ScissorTest;
+    GLboolean m_Multisample;
+    GLboolean m_DepthTest;
+    GLboolean m_StencilTest;
+    GLboolean m_ColorLogicOp;
+    GLboolean m_SampleCoverage;
+    GLboolean m_SampleAlphaToCoverage;
+
+    GLboolean m_Blend;
+    GLint m_BlendSrcRGB;
+    GLint m_BlendDstRGB;
+    GLint m_BlendSrcAlpha;
+    GLint m_BlendDstAlpha;
+    GLint m_BlendEquationRGB;
+    GLint m_BlendEquationAlpha;
+    GLfloat m_BlendColor[4];
+    GLboolean m_ColorWriteMask[4];
+};
+
+#endif // SUPPORT_GL
+
+} // namespace GL
+} // namespace SSAO
+} // namespace GFSDK