Access library dependencies through a single object. Bug 18752589 Change-Id: I93155cead50b30faa876023f9ed00f60b7c9e34e Reviewed-on: https://swiftshader-review.googlesource.com/2831 Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Greg Hartman <ghartman@google.com> Tested-by: Greg Hartman <ghartman@google.com> Reviewed-by: Nicolas Capens <capn@google.com> Tested-by: Nicolas Capens <capn@google.com>

diff --git a/src/OpenGL/libGLES_CM/libGLES_CM.hpp b/src/OpenGL/libGLES_CM/libGLES_CM.hpp
new file mode 100644
index 0000000..dd2d23a
--- /dev/null
+++ b/src/OpenGL/libGLES_CM/libGLES_CM.hpp

@@ -0,0 +1,95 @@
+#ifndef libGLES_CM_hpp
+#define libGLES_CM_hpp
+
+#define GL_API
+#include <GLES/gl.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GLES/glext.h>
+#define EGLAPI
+#include <EGL/egl.h>
+
+#include "Common/SharedLibrary.hpp"
+
+namespace sw
+{
+class FrameBuffer;
+enum Format : unsigned char;
+}
+
+namespace egl
+{
+class Context;
+class Image;
+class Config;
+}
+
+class LibGLES_CMexports
+{
+public:
+	LibGLES_CMexports();
+
+	egl::Context *(*es1CreateContext)(const egl::Config *config, const egl::Context *shareContext);
+	__eglMustCastToProperFunctionPointerType (*es1GetProcAddress)(const char *procname);
+	egl::Image *(*createBackBuffer)(int width, int height, const egl::Config *config);
+	egl::Image *(*createDepthStencil)(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool discard);
+	sw::FrameBuffer *(*createFrameBuffer)(EGLNativeDisplayType display, EGLNativeWindowType window, int width, int height);
+
+	void (GL_APIENTRY *glEGLImageTargetTexture2DOES)(GLenum target, GLeglImageOES image);
+};
+
+class LibGLES_CM
+{
+public:
+	LibGLES_CM()
+	{
+		libGLES_CM = nullptr;
+		libGLES_CMexports = nullptr;
+	}
+
+	~LibGLES_CM()
+	{
+		freeLibrary(libGLES_CM);
+	}
+
+	operator bool()
+	{
+		return loadExports();
+	}
+
+	LibGLES_CMexports *operator->()
+	{
+		return loadExports();
+	}
+
+private:
+	LibGLES_CMexports *loadExports()
+	{
+		if(!libGLES_CM)
+		{
+			#if defined(_WIN32)
+			const char *libGLES_CM_lib[] = {"libGLES_CM.dll", "libGLES_CM_translator.dll"};
+			#elif defined(__ANDROID__)
+			const char *libGLES_CM_lib[] = {"/vendor/lib/egl/libGLESv1_CM_swiftshader.so"};
+			#elif defined(__LP64__)
+			const char *libGLES_CM_lib[] = {"lib64GLES_CM_translator.so", "libGLES_CM.so.1", "libGLES_CM.so"};
+			#else
+			const char *libGLES_CM_lib[] = {"libGLES_CM_translator.so", "libGLES_CM.so.1", "libGLES_CM.so"};
+			#endif
+
+			libGLES_CM = loadLibrary(libGLES_CM_lib);
+
+			if(libGLES_CM)
+			{
+				auto libGLES_CMexportsProc = (LibGLES_CMexports *(*)())getProcAddress(libGLES_CM, "libGLES_CMexports");
+				libGLES_CMexports = libGLES_CMexportsProc();
+			}
+		}
+
+		return libGLES_CMexports;
+	}
+
+	void *libGLES_CM;
+	LibGLES_CMexports *libGLES_CMexports;
+};
+
+#endif libGLES_CM_hpp