1 files changed, 87 insertions, 0 deletions
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/PostProcessing.cpp b/Source/Plugins/Plugin_VideoOGL/Src/PostProcessing.cpp
new file mode 100644
index 0000000000..c0c2e497cc
--- /dev/null
+++ b/Source/Plugins/Plugin_VideoOGL/Src/PostProcessing.cpp
@@ -0,0 +1,87 @@
+// Copyright (C) 2003-2009 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "VideoCommon.h"
+#include "FileUtil.h"
+#include "Config.h"
+#include "GLUtil.h"
+#include "PostProcessing.h"
+#include "PixelShaderCache.h"
+
+namespace PostProcessing
+{
+
+static std::string s_currentShader;
+static FRAGMENTSHADER s_shader;
+
+void Init()
+{
+	s_currentShader = "";
+}
+
+void Shutdown()
+{
+	s_shader.Destroy();
+}
+
+void ApplyShader()
+{
+#ifdef _WIN32
+	if (GetAsyncKeyState(VK_LSHIFT))
+		s_currentShader = "";
+#endif
+	if (s_currentShader != "User/Shaders/" + g_Config.sPostProcessingShader + ".txt")
+	{
+		// Set immediately to prevent endless recompiles on failure.
+		s_currentShader = "User/Shaders/" + g_Config.sPostProcessingShader + ".txt";
+
+		s_shader.Destroy();
+
+		if (!s_currentShader.empty())
+		{
+			std::string code;
+			if (File::ReadFileToString(true, s_currentShader.c_str(), code))
+			{
+				if (!PixelShaderCache::CompilePixelShader(s_shader, code.c_str()))
+				{
+					ERROR_LOG(VIDEO, "Failed to compile post-processing shader %s", s_currentShader.c_str());
+				}
+			}
+			else 
+			{
+				ERROR_LOG(VIDEO, "Failed to load post-processing shader %s - does not exist?", s_currentShader.c_str());
+			}
+		}
+		else
+		{
+			ERROR_LOG(VIDEO, "No post-processing shader selected.");
+		}
+	}
+
+	if (s_shader.glprogid == 0)
+	{
+		ERROR_LOG(VIDEO, "WTF");
+	}
+	else
+	{
+		glEnable(GL_FRAGMENT_PROGRAM_ARB);
+	}
+	// If anything went wrong above, glprogid will be 0, which is OK.
+	glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, s_shader.glprogid);
+}
+
+}  // namespace