Fixed broken files/code and other errors

1 files changed, 77 insertions, 0 deletions

diff --git a/src/backend/gl/glx.h b/src/backend/gl/glx.h
new file mode 100644
index 0000000..1061f0b
--- /dev/null
+++ b/src/backend/gl/glx.h
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright (c) Yuxuan Shui <[email protected]>
+#pragma once
+#include <stdbool.h>
+// Older version of glx.h defines function prototypes for these extensions...
+// Rename them to avoid conflicts
+#define glXSwapIntervalMESA glXSwapIntervalMESA_
+#define glXBindTexImageEXT glXBindTexImageEXT_
+#define glXReleaseTexImageEXT glXReleaseTexImageEXT
+#include <GL/glx.h>
+#undef glXSwapIntervalMESA
+#undef glXBindTexImageEXT
+#undef glXReleaseTexImageEXT
+#include <X11/Xlib.h>
+#include <xcb/xcb.h>
+#include <xcb/render.h>
+
+#include "log.h"
+#include "compiler.h"
+#include "utils.h"
+#include "x.h"
+
+struct glx_fbconfig_info {
+	GLXFBConfig cfg;
+	int texture_tgts;
+	int texture_fmt;
+	int y_inverted;
+};
+
+/// The search criteria for glx_find_fbconfig
+struct glx_fbconfig_criteria {
+	/// Bit width of the red component
+	int red_size;
+	/// Bit width of the green component
+	int green_size;
+	/// Bit width of the blue component
+	int blue_size;
+	/// Bit width of the alpha component
+	int alpha_size;
+	/// The depth of X visual
+	int visual_depth;
+};
+
+struct glx_fbconfig_info *glx_find_fbconfig(Display *, int screen, struct xvisual_info);
+
+
+struct glxext_info {
+	bool initialized;
+	bool has_GLX_SGI_video_sync;
+	bool has_GLX_SGI_swap_control;
+	bool has_GLX_OML_sync_control;
+	bool has_GLX_MESA_swap_control;
+	bool has_GLX_EXT_swap_control;
+	bool has_GLX_EXT_texture_from_pixmap;
+	bool has_GLX_ARB_create_context;
+	bool has_GLX_EXT_buffer_age;
+	bool has_GLX_MESA_query_renderer;
+};
+
+extern struct glxext_info glxext;
+
+extern PFNGLXGETVIDEOSYNCSGIPROC glXGetVideoSyncSGI;
+extern PFNGLXWAITVIDEOSYNCSGIPROC glXWaitVideoSyncSGI;
+extern PFNGLXGETSYNCVALUESOMLPROC glXGetSyncValuesOML;
+extern PFNGLXWAITFORMSCOMLPROC glXWaitForMscOML;
+extern PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT;
+extern PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI;
+extern PFNGLXSWAPINTERVALMESAPROC glXSwapIntervalMESA;
+extern PFNGLXBINDTEXIMAGEEXTPROC glXBindTexImageEXT;
+extern PFNGLXRELEASETEXIMAGEEXTPROC glXReleaseTexImageEXT;
+extern PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB;
+
+#ifdef GLX_MESA_query_renderer
+extern PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC glXQueryCurrentRendererIntegerMESA;
+#endif
+
+void glxext_init(Display *, int screen);