diff --git a/chip/ps4_gpu_regs.pas b/chip/ps4_gpu_regs.pas
index 2756ac5..bd90abe 100644
--- a/chip/ps4_gpu_regs.pas
+++ b/chip/ps4_gpu_regs.pas
@@ -786,7 +786,7 @@ begin
   COLOR_8_8_8_8:
    Case RENDER_TARGET[i].INFO.NUMBER_TYPE of
     NUMBER_UNORM:Result.FImageInfo.cformat:=VK_FORMAT_R8G8B8A8_UNORM;
-    NUMBER_SRGB :Result.FImageInfo.cformat:=VK_FORMAT_R8G8B8A8_UNORM{VK_FORMAT_R8G8B8A8_SRGB};
+    NUMBER_SRGB :Result.FImageInfo.cformat:=VK_FORMAT_R8G8B8A8_SRGB;
     else
      Assert(false,'TODO');
    end;
diff --git a/vulkan/vFlip.pas b/vulkan/vFlip.pas
index 418a27c..bf437f6 100644
--- a/vulkan/vFlip.pas
+++ b/vulkan/vFlip.pas
@@ -341,7 +341,7 @@ begin
 end;
 
 Const
- SRGB_HACK=False;//True;
+ SRGB_HACK=True;
 
 Procedure TvFlip.SetImageFormat(format,tmode:DWORD);
 begin
diff --git a/vulkan/vRender.pas b/vulkan/vRender.pas
index efaab23..950e770 100644
--- a/vulkan/vRender.pas
+++ b/vulkan/vRender.pas
@@ -184,8 +184,8 @@ begin
 
  am:=GetColorAccessMask(IMAGE_USAGE);
 
- dependency.srcAccessMask:=dependency.srcAccessMask or (am and (not ord(VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT)));
- dependency.dstAccessMask:=dependency.dstAccessMask or (am and (not ord(VK_ACCESS_COLOR_ATTACHMENT_READ_BIT )));
+ dependency.srcAccessMask:=dependency.srcAccessMask or am;
+ dependency.dstAccessMask:=dependency.dstAccessMask or am;
 end;
 
 Procedure TvRenderPass.SetDepthStencilRef(id:TVkUInt32;DEPTH_USAGE,STENCIL_USAGE:Byte);
@@ -199,8 +199,8 @@ begin
 
  am:=GetDepthStencilAccessMask(DEPTH_USAGE,STENCIL_USAGE);
 
- dependency.srcAccessMask:=dependency.srcAccessMask or (am and (not ord(VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT)));
- dependency.dstAccessMask:=dependency.dstAccessMask or (am and (not ord(VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT )));
+ dependency.srcAccessMask:=dependency.srcAccessMask or am;
+ dependency.dstAccessMask:=dependency.dstAccessMask or am;
 end;
 
 Procedure TvRenderPass.AddColorAt(format:TVkFormat;IMAGE_USAGE:Byte;samples:TVkSampleCountFlagBits);