Presence of the key disables off screen surfaces creation; The callback
is still registered, but it always fails.
Registry key is checked on device initialization only, not during
runtime, so you must reset the vm to see any affects.
---
display/driver.c | 8 ++++++++
display/driver.rc | 4 ++--
display/qxldd.h | 1 +
include/qxl_driver.h | 2 ++
miniport/qxl.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
miniport/qxl.inf | 2 +-
miniport/qxl.rc | 6 +++---
7 files changed, 63 insertions(+), 7 deletions(-)
diff --git a/display/driver.c b/display/driver.c
index ef011ad..90c52c5 100644
--- a/display/driver.c
+++ b/display/driver.c
@@ -843,6 +843,10 @@ static BOOL PrepareHardware(PDev *pdev)
pdev->dev_id = dev_info.dev_id;
+ pdev->create_non_primary_surfaces = dev_info.create_non_primary_surfaces;
+ DEBUG_PRINT((pdev, 1, "%s: create_non_primary_surfaces = %d\n", __FUNCTION__,
+ pdev->create_non_primary_surfaces));
+
CreateVRamSlot(pdev);
DEBUG_PRINT((NULL, 1, "%s: 0x%lx exit: 0x%lx %ul\n", __FUNCTION__, pdev,
@@ -1409,6 +1413,10 @@ HBITMAP APIENTRY DrvCreateDeviceBitmap(DHPDEV dhpdev, SIZEL size, ULONG format)
pdev = (PDev *)dhpdev;
+ if (!pdev->create_non_primary_surfaces) {
+ return FALSE;
+ }
+
if (!pdev->vram_slot_initialized || pdev->bitmap_format != format || pdev->fb == 0) {
DEBUG_PRINT((pdev, 3, "%s failed: %p: slot_initialized %d, format(%d,%d), fb %p\n",
__FUNCTION__, pdev, pdev->vram_slot_initialized,
diff --git a/display/driver.rc b/display/driver.rc
index 4368925..f11c9db 100644
--- a/display/driver.rc
+++ b/display/driver.rc
@@ -16,12 +16,12 @@
#define VER_FILEDESCRIPTION_STR "Red Hat QXL Display Driver"
#define VER_INTERNALNAME_STR "qxldd.dll"
#define VER_ORIGINALFILENAME_STR VER_INTERNALNAME_STR
-#define VER_FILEVERSION_STR "1.4.1.1"
+#define VER_FILEVERSION_STR "1.4.2.3"
#define VER_PRODUCTNAME_STR "Spice"
#define VER_PRODUCTVERSION_STR VER_FILEVERSION_STR
#undef VER_PRODUCTVERSION
-#define VER_PRODUCTVERSION 1,4,1,1
+#define VER_PRODUCTVERSION 1,4,2,3
#define VER_COMPANYNAME_STR "Red Hat Inc."
#define VER_LEGALCOPYRIGHT_STR "� Red Hat Inc. All rights reserved."
diff --git a/display/qxldd.h b/display/qxldd.h
index d0166b5..1a1b5d5 100644
--- a/display/qxldd.h
+++ b/display/qxldd.h
@@ -220,6 +220,7 @@ typedef struct PDev {
SIZEL resolution;
UINT32 max_bitmap_size;
ULONG bitmap_format;
+ UINT8 create_non_primary_surfaces;
ULONG fb_size;
BYTE* fb;
diff --git a/include/qxl_driver.h b/include/qxl_driver.h
index eac6f5f..677ee17 100644
--- a/include/qxl_driver.h
+++ b/include/qxl_driver.h
@@ -119,6 +119,8 @@ typedef struct QXLDriverInfo {
UINT32 n_surfaces;
UINT64 fb_phys;
+
+ UINT8 create_non_primary_surfaces;
} QXLDriverInfo;
#endif
diff --git a/miniport/qxl.c b/miniport/qxl.c
index 003669b..bd449c3 100644
--- a/miniport/qxl.c
+++ b/miniport/qxl.c
@@ -95,6 +95,8 @@ typedef struct QXLExtension {
char *log_buf;
PUCHAR log_port;
+
+ UINT8 create_non_primary_surfaces;
} QXLExtension;
#define QXL_ALLOC_TAG '_lxq'
@@ -1002,6 +1004,47 @@ static VP_STATUS SetCustomDisplay(QXLExtension *dev_ext, QXLEscapeSetCustomDispl
dev_ext->custom_mode);
}
+VP_STATUS QXLRegistryCallback(
+ PVOID HwDeviceExtension,
+ PVOID Context,
+ PWSTR ValueName,
+ PVOID ValueData,
+ ULONG ValueLength
+)
+{
+ QXLExtension *dev_ext = HwDeviceExtension;
+ ULONG *key_ret = (ULONG *)Context;
+
+ DEBUG_PRINT((dev_ext, 60, "%s: length %d, first byte %d\n", __FUNCTION__,
+ ValueLength, (UINT8)ValueData));
+
+ if (key_ret) {
+ *key_ret = *(PULONG)ValueData;
+ }
+ return NO_ERROR;
+}
+
+static UINT8 check_non_primary_surfaces_registry_key(QXLExtension *dev_ext)
+{
+ VP_STATUS ret;
+ ULONG key_ret;
+
+ ret = VideoPortGetRegistryParameters(
+ dev_ext,
+ L"DisableSurfaces",
+ FALSE,
+ QXLRegistryCallback,
+ &key_ret);
+ if (ret == ERROR_INVALID_PARAMETER) {
+ dev_ext->create_non_primary_surfaces = 1;
+ DEBUG_PRINT((dev_ext, 0, "%s: CreateNonPrimarySurfaces key doesn't exist, default to 1\n",
+ __FUNCTION__));
+ } else {
+ dev_ext->create_non_primary_surfaces = 0;
+ }
+ return dev_ext->create_non_primary_surfaces;
+}
+
BOOLEAN StartIO(PVOID dev_extension, PVIDEO_REQUEST_PACKET packet)
{
QXLExtension *dev_ext = dev_extension;
@@ -1187,9 +1230,11 @@ BOOLEAN StartIO(PVOID dev_extension, PVIDEO_REQUEST_PACKET packet)
driver_info->n_surfaces = dev_ext->rom->n_surfaces;
- driver_info->fb_phys = dev_ext->vram_physical.QuadPart;
+ driver_info->fb_phys = dev_ext->vram_physical.QuadPart;
driver_info->dev_id = dev_ext->rom->id;
+
+ driver_info->create_non_primary_surfaces = check_non_primary_surfaces_registry_key(dev_ext);
}
break;
diff --git a/miniport/qxl.inf b/miniport/qxl.inf
index d20778b..9b17575 100644
--- a/miniport/qxl.inf
+++ b/miniport/qxl.inf
@@ -3,7 +3,7 @@
[Version]
Signature = "$CHICAGO$"
-DriverVer = 03/20/2011,1.4.1.1
+DriverVer = 08/15/2012,1.4.2.3
Provider = %RHAT%
CatalogFile = qxl.cat
Class = Display
diff --git a/miniport/qxl.rc b/miniport/qxl.rc
index 86f04b9..50abefe 100644
--- a/miniport/qxl.rc
+++ b/miniport/qxl.rc
@@ -16,12 +16,12 @@
#define VER_FILEDESCRIPTION_STR "Red Hat QXL Display Driver"
#define VER_INTERNALNAME_STR "qxl.sys"
#define VER_ORIGINALFILENAME_STR VER_INTERNALNAME_STR
-#define VER_FILEVERSION_STR "1.4.1.1"
+#define VER_FILEVERSION_STR "1.4.2.3"
#define VER_PRODUCTNAME_STR "Spice"
-#define VER_PRODUCTVERSION_STR "1.4.1.1"
+#define VER_PRODUCTVERSION_STR "1.4.2.3"
#undef VER_PRODUCTVERSION
-#define VER_PRODUCTVERSION 1,4,1,1
+#define VER_PRODUCTVERSION 1,4,2,3
#define VER_COMPANYNAME_STR "Red Hat Inc."
#define VER_LEGALCOPYRIGHT_STR "� Red Hat Inc. All rights reserved."
--
1.7.12.1
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