[client] egl: cleanup texture filtering/post-processing

client/renderers/EGL/postprocess.h

@@ -0,0 +1,46 @@
+/**
+ * Looking Glass
+ * Copyright © 2017-2021 The Looking Glass Authors
+ * https://looking-glass.io
+ *
+ * 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; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * 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 for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#pragma once
+
+#include "filter.h"
+#include "texture.h"
+
+typedef struct EGL_PostProcess EGL_PostProcess;
+
+void egl_postProcessEarlyInit(void);
+
+bool egl_postProcessInit(EGL_PostProcess ** pp);
+void egl_postProcessFree(EGL_PostProcess ** pp);
+
+/* create and add a filter to this processor */
+bool egl_postProcessAdd(EGL_PostProcess * this, const EGL_FilterOps * ops);
+
+/* render the imgui options
+ * returns true if the filter needs to be re-run */
+bool egl_postProcessImgui(EGL_PostProcess * this);
+
+/* apply the filters to the supplied texture
+ * targetX/Y is the final target output dimension hint if scalers are present */
+bool egl_postProcessRun(EGL_PostProcess * this, EGL_Texture * tex,
+    unsigned int targetX, unsigned int targetY);
+
+GLuint egl_postProcessGetOutput(EGL_PostProcess * this,
+    unsigned int * outputX, unsigned int * outputY);