#define MESA_GLINTEROP_H
#include <stddef.h>
-#include <GL/glx.h>
-#include <EGL/egl.h>
+#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
+/* Forward declarations to avoid inclusion of GL/glx.h */
+#ifndef GLX_H
+struct _XDisplay;
+struct __GLXcontextRec;
+#endif
+
+/* Forward declarations to avoid inclusion of EGL/egl.h */
+#ifndef __egl_h_
+typedef void *EGLDisplay;
+typedef void *EGLContext;
+#endif
+
/** Returned error codes. */
enum {
MESA_GLINTEROP_SUCCESS = 0,
MESA_GLINTEROP_OUT_OF_RESOURCES,
MESA_GLINTEROP_OUT_OF_HOST_MEMORY,
MESA_GLINTEROP_INVALID_OPERATION,
- MESA_GLINTEROP_INVALID_VALUE,
+ MESA_GLINTEROP_INVALID_VERSION,
MESA_GLINTEROP_INVALID_DISPLAY,
MESA_GLINTEROP_INVALID_CONTEXT,
MESA_GLINTEROP_INVALID_TARGET,
/**
* Device information returned by Mesa.
*/
-typedef struct _mesa_glinterop_device_info {
- /* The caller should set this to: MESA_GLINTEROP_DEVICE_INFO_VERSION */
- uint32_t struct_version;
+struct mesa_glinterop_device_info {
+ /* The caller should set this to the version of the struct they support */
+ /* The callee will overwrite it if it supports a lower version.
+ *
+ * The caller should check the value and access up-to the version supported
+ * by the callee.
+ */
+ /* NOTE: Do not use the MESA_GLINTEROP_DEVICE_INFO_VERSION macro */
+ uint32_t version;
/* PCI location */
uint32_t pci_segment_group;
uint32_t vendor_id;
uint32_t device_id;
- /* The interop version determines what behavior the caller should expect
- * out of all functions.
- *
- * Interop version 1:
- * - mesa_glinterop_export_in is not read beyond "out_driver_data"
- * - mesa_glinterop_export_out is not written beyond "out_driver_data_written"
- * - mesa_glinterop_device_info is not written beyond "interop_version"
- */
- uint32_t interop_version;
/* Structure version 1 ends here. */
-} mesa_glinterop_device_info;
+};
#define MESA_GLINTEROP_EXPORT_IN_VERSION 1
/**
* Input parameters to Mesa interop export functions.
*/
-typedef struct _mesa_glinterop_export_in {
- /* The caller should set this to: MESA_GLINTEROP_EXPORT_IN_VERSION */
- uint32_t struct_version;
+struct mesa_glinterop_export_in {
+ /* The caller should set this to the version of the struct they support */
+ /* The callee will overwrite it if it supports a lower version.
+ *
+ * The caller should check the value and access up-to the version supported
+ * by the callee.
+ */
+ /* NOTE: Do not use the MESA_GLINTEROP_EXPORT_IN_VERSION macro */
+ uint32_t version;
/* One of the following:
* - GL_TEXTURE_BUFFER
*/
void *out_driver_data;
/* Structure version 1 ends here. */
-} mesa_glinterop_export_in;
+};
#define MESA_GLINTEROP_EXPORT_OUT_VERSION 1
/**
* Outputs of Mesa interop export functions.
*/
-typedef struct _mesa_glinterop_export_out {
- /* The caller should set this to: MESA_GLINTEROP_EXPORT_OUT_VERSION */
- uint32_t struct_version;
+struct mesa_glinterop_export_out {
+ /* The caller should set this to the version of the struct they support */
+ /* The callee will overwrite it if it supports a lower version.
+ *
+ * The caller should check the value and access up-to the version supported
+ * by the callee.
+ */
+ /* NOTE: Do not use the MESA_GLINTEROP_EXPORT_OUT_VERSION macro */
+ uint32_t version;
/* The DMABUF handle. It must be closed by the caller using the POSIX
* close() function when it's not needed anymore. Mesa is not responsible
/* The number of bytes written to out_driver_data. */
uint32_t out_driver_data_written;
/* Structure version 1 ends here. */
-} mesa_glinterop_export_out;
+};
/**
*
* \return MESA_GLINTEROP_SUCCESS or MESA_GLINTEROP_* != 0 on error
*/
-GLAPI int GLAPIENTRY
-MesaGLInteropGLXQueryDeviceInfo(Display *dpy, GLXContext context,
- mesa_glinterop_device_info *out);
+int
+MesaGLInteropGLXQueryDeviceInfo(struct _XDisplay *dpy, struct __GLXcontextRec *context,
+ struct mesa_glinterop_device_info *out);
/**
* Same as MesaGLInteropGLXQueryDeviceInfo except that it accepts EGLDisplay
* and EGLContext.
*/
-GLAPI int GLAPIENTRY
+int
MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
- mesa_glinterop_device_info *out);
+ struct mesa_glinterop_device_info *out);
/**
*
* \return MESA_GLINTEROP_SUCCESS or MESA_GLINTEROP_* != 0 on error
*/
-GLAPI int GLAPIENTRY
-MesaGLInteropGLXExportObject(Display *dpy, GLXContext context,
- const mesa_glinterop_export_in *in,
- mesa_glinterop_export_out *out);
+int
+MesaGLInteropGLXExportObject(struct _XDisplay *dpy, struct __GLXcontextRec *context,
+ struct mesa_glinterop_export_in *in,
+ struct mesa_glinterop_export_out *out);
/**
* Same as MesaGLInteropGLXExportObject except that it accepts
* EGLDisplay and EGLContext.
*/
-GLAPI int GLAPIENTRY
+int
MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
- const mesa_glinterop_export_in *in,
- mesa_glinterop_export_out *out);
-
-
-typedef int (APIENTRYP PFNMESAGLINTEROPGLXQUERYDEVICEINFOPROC)(Display *dpy, GLXContext context,
- mesa_glinterop_device_info *out);
-typedef int (APIENTRYP PFNMESAGLINTEROPEGLQUERYDEVICEINFOPROC)(EGLDisplay dpy, EGLContext context,
- mesa_glinterop_device_info *out);
-typedef int (APIENTRYP PFNMESAGLINTEROPGLXEXPORTOBJECTPROC)(Display *dpy, GLXContext context,
- const mesa_glinterop_export_in *in,
- mesa_glinterop_export_out *out);
-typedef int (APIENTRYP PFNMESAGLINTEROPEGLEXPORTOBJECTPROC)(EGLDisplay dpy, EGLContext context,
- const mesa_glinterop_export_in *in,
- mesa_glinterop_export_out *out);
+ struct mesa_glinterop_export_in *in,
+ struct mesa_glinterop_export_out *out);
+
+
+typedef int (PFNMESAGLINTEROPGLXQUERYDEVICEINFOPROC)(struct _XDisplay *dpy, struct __GLXcontextRec *context,
+ struct mesa_glinterop_device_info *out);
+typedef int (PFNMESAGLINTEROPEGLQUERYDEVICEINFOPROC)(EGLDisplay dpy, EGLContext context,
+ struct mesa_glinterop_device_info *out);
+typedef int (PFNMESAGLINTEROPGLXEXPORTOBJECTPROC)(struct _XDisplay *dpy, struct __GLXcontextRec *context,
+ struct mesa_glinterop_export_in *in,
+ struct mesa_glinterop_export_out *out);
+typedef int (PFNMESAGLINTEROPEGLEXPORTOBJECTPROC)(EGLDisplay dpy, EGLContext context,
+ struct mesa_glinterop_export_in *in,
+ struct mesa_glinterop_export_out *out);
#ifdef __cplusplus
}
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