Changeset 12806 in vbox for trunk/include

Timestamp:

Sep 29, 2008 3:02:22 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

37158

Message:

+removed temp buffers usage inside chromium with hgcm
+combined read/writes to reduce number of hgcm calls
+some hacks fixed

File:

• trunk/include/VBox/HostServices/VBoxCrOpenGLSvc.h (modified) (4 diffs)

trunk/include/VBox/HostServices/VBoxCrOpenGLSvc.h

@@ -39 +39 @@
 #define SHCRGL_HOST_FN_SET_FRAMEBUFFER (1)
 /* crOpenGL guest functions */
-#define SHCRGL_GUEST_FN_WRITE (2)
-#define SHCRGL_GUEST_FN_READ (3)
+#define SHCRGL_GUEST_FN_WRITE       (2)
+#define SHCRGL_GUEST_FN_READ        (3)
+#define SHCRGL_GUEST_FN_WRITE_READ  (4)
 
 /* Parameters count */
 #define SHCRGL_CPARMS_SET_FRAMEBUFFER (1)
-#define SHCRGL_CPARMS_WRITE (1)
-#define SHCRGL_CPARMS_READ (2)
+#define SHCRGL_CPARMS_WRITE      (1)
+#define SHCRGL_CPARMS_READ       (2)
+#define SHCRGL_CPARMS_WRITE_READ (3)
 
 /**
@@ -51 +53 @@
  */
 
-/** GUEST_FN_READ Parameters structure. */
+/** GUEST_FN_WRITE Parameters structure. */
 typedef struct
 {
@@ -62 +64 @@
 } CRVBOXHGCMWRITE;
 
-/** GUEST_FN_WRITE Parameters structure. */
+/** GUEST_FN_READ Parameters structure. */
 typedef struct
 {
@@ -79 +81 @@
 } CRVBOXHGCMREAD;
 
+/** GUEST_FN_WRITE_READ Parameters structure. */
+typedef struct
+{
+    VBoxGuestHGCMCallInfo   hdr;
+
+    /** pointer, in
+     *  Data buffer
+     */
+    HGCMFunctionParameter   pBuffer;
+
+    /** pointer, out
+     *  Writeback buffer
+     */
+    HGCMFunctionParameter   pWriteback;
+
+    /** 32bit, out
+     * Count of bytes written to writeback buffer
+     */
+    HGCMFunctionParameter   cbWriteback;
+    
+} CRVBOXHGCMWRITEREAD;
+
 #endif