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mesa_glinterop: make GL interop version field bidirectional

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This allows clear and easy communication between the two.

Caller: Requesting information (struct vN)
Callee: I know how to deal with older version (vN-1) only. Here is your
data and the version I support.
Caller: Older version ? Sure I'll cap all access to the fields provided
by the older version (vN-1)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Tested-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Emil Velikov 2016-04-21 17:29:16 +01:00 committed by Emil Velikov
parent 0e983276b9
commit e384d75b12
11 changed files with 37 additions and 15 deletions
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2
include/GL/internal/dri_interface.h
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@ -414,7 +414,7 @@ struct __DRI2interopExtensionRec {
/** Same as MesaGLInterop*ExportObject. */
int (*export_object)(__DRIcontext *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
};

23
include/GL/mesa_glinterop.h
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@ -94,6 +94,11 @@ enum {
*/
typedef 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 the callee.
*/
/* NOTE: Do not use the MESA_GLINTEROP_DEVICE_INFO_VERSION macro */
uint32_t version;
@ -117,6 +122,11 @@ typedef struct _mesa_glinterop_device_info {
*/
typedef 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 the callee.
*/
/* NOTE: Do not use the MESA_GLINTEROP_EXPORT_IN_VERSION macro */
uint32_t version;
@ -177,6 +187,11 @@ typedef struct _mesa_glinterop_export_in {
*/
typedef 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 the callee.
*/
/* NOTE: Do not use the MESA_GLINTEROP_EXPORT_OUT_VERSION macro */
uint32_t version;
@ -257,7 +272,7 @@ MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
*/
int
MesaGLInteropGLXExportObject(Display *dpy, GLXContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
@ -267,7 +282,7 @@ MesaGLInteropGLXExportObject(Display *dpy, GLXContext context,
*/
int
MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
@ -276,10 +291,10 @@ typedef int (PFNMESAGLINTEROPGLXQUERYDEVICEINFOPROC)(Display *dpy, GLXContext co
typedef int (PFNMESAGLINTEROPEGLQUERYDEVICEINFOPROC)(EGLDisplay dpy, EGLContext context,
mesa_glinterop_device_info *out);
typedef int (PFNMESAGLINTEROPGLXEXPORTOBJECTPROC)(Display *dpy, GLXContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
typedef int (PFNMESAGLINTEROPEGLEXPORTOBJECTPROC)(EGLDisplay dpy, EGLContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
#ifdef __cplusplus

2
src/egl/drivers/dri2/egl_dri2.c
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@ -2703,7 +2703,7 @@ dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
static int
dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);

2
src/egl/main/eglapi.c
View File

@ -1961,7 +1961,7 @@ MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
int
MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
_EGLDisplay *disp;

2
src/egl/main/eglapi.h
View File

@ -195,7 +195,7 @@ struct _egl_api
int (*GLInteropQueryDeviceInfo)(_EGLDisplay *dpy, _EGLContext *ctx,
mesa_glinterop_device_info *out);
int (*GLInteropExportObject)(_EGLDisplay *dpy, _EGLContext *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
};

9
src/gallium/state_trackers/dri/dri2.c
View File

@ -1480,12 +1480,15 @@ dri2_interop_query_device_info(__DRIcontext *_ctx,
out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID);
out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID);
/* Instruct the caller that we support up-to version one of the interface */
out->version = 1;
return MESA_GLINTEROP_SUCCESS;
}
static int
dri2_interop_export_object(__DRIcontext *_ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
struct st_context_iface *st = dri_context(_ctx)->st;
@ -1704,6 +1707,10 @@ dri2_interop_export_object(__DRIcontext *_ctx,
if (res->target == PIPE_BUFFER)
out->buf_offset += whandle.offset;
/* Instruct the caller that we support up-to version one of the interface */
in->version = 1;
out->version = 1;
return MESA_GLINTEROP_SUCCESS;
}

2
src/glx/dri2_priv.h
View File

@ -76,7 +76,7 @@ dri2_interop_query_device_info(struct glx_context *ctx,
_X_HIDDEN int
dri2_interop_export_object(struct glx_context *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
#ifdef __cplusplus

2
src/glx/dri3_priv.h
View File

@ -139,5 +139,5 @@ dri3_interop_query_device_info(struct glx_context *ctx,
_X_HIDDEN int
dri3_interop_export_object(struct glx_context *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);

4
src/glx/dri_common_interop.c
View File

@ -47,7 +47,7 @@ dri2_interop_query_device_info(struct glx_context *ctx,
_X_HIDDEN int
dri2_interop_export_object(struct glx_context *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
struct dri2_screen *psc = (struct dri2_screen*)ctx->psc;
@ -76,7 +76,7 @@ dri3_interop_query_device_info(struct glx_context *ctx,
_X_HIDDEN int
dri3_interop_export_object(struct glx_context *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
struct dri3_screen *psc = (struct dri3_screen*)ctx->psc;

2
src/glx/glxclient.h
View File

@ -234,7 +234,7 @@ struct glx_context_vtable {
int (*interop_query_device_info)(struct glx_context *ctx,
mesa_glinterop_device_info *out);
int (*interop_export_object)(struct glx_context *ctx,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out);
};

2
src/glx/glxcmds.c
View File

@ -2721,7 +2721,7 @@ MesaGLInteropGLXQueryDeviceInfo(Display *dpy, GLXContext context,
int
MesaGLInteropGLXExportObject(Display *dpy, GLXContext context,
const mesa_glinterop_export_in *in,
mesa_glinterop_export_in *in,
mesa_glinterop_export_out *out)
{
struct glx_context *gc = (struct glx_context*)context;