dri2: Create image from texture
Add create image from texture extension and bump version.
v8: - Add appropriate image errors codes in DRI interface so we don't
have to use internal EGL functions in driver. Suggested by Chad Versace.
Reviewed-by: Eric Anholt <eric@anholt.net> (v6)
Reviewed-by: Chad Versace <chad.versace@linux.intel.com> (v8)
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index c236cb7..42147e9 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -938,7 +938,7 @@
* extensions.
*/
#define __DRI_IMAGE "DRI_IMAGE"
-#define __DRI_IMAGE_VERSION 5
+#define __DRI_IMAGE_VERSION 6
/**
* These formats correspond to the similarly named MESA_FORMAT_*
@@ -1022,6 +1022,23 @@
#define __DRI_IMAGE_ATTRIB_HEIGHT 0x2005
#define __DRI_IMAGE_ATTRIB_COMPONENTS 0x2006 /* available in versions 5+ */
+/**
+ * \name Reasons that __DRIimageExtensionRec::createImageFromTexture might fail
+ */
+/*@{*/
+/** Success! */
+#define __DRI_IMAGE_ERROR_SUCCESS 0
+
+/** Memory allocation failure */
+#define __DRI_IMAGE_ERROR_BAD_ALLOC 1
+
+/** Client requested an invalid attribute for a texture object */
+#define __DRI_IMAGE_ERROR_BAD_MATCH 2
+
+/** Client requested an invalid texture object */
+#define __DRI_IMAGE_ERROR_BAD_PARAMETER 3
+/*@}*/
+
typedef struct __DRIimageRec __DRIimage;
typedef struct __DRIimageExtensionRec __DRIimageExtension;
struct __DRIimageExtensionRec {
@@ -1087,6 +1104,19 @@
*/
__DRIimage *(*fromPlanar)(__DRIimage *image, int plane,
void *loaderPrivate);
+
+ /**
+ * Create image from texture.
+ *
+ * \since 6
+ */
+ __DRIimage *(*createImageFromTexture)(__DRIcontext *context,
+ int target,
+ unsigned texture,
+ int depth,
+ int level,
+ unsigned *error,
+ void *loaderPrivate);
};