adding image to png export to C test

src/soft/SoftCommandBuffer.zig

@@ -22,7 +22,9 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
 
     interface.dispatch_table = &.{
         .begin = begin,
+        .clearColorImage = clearColorImage,
         .copyBuffer = copyBuffer,
+        .copyImage = copyImage,
         .end = end,
         .fillBuffer = fillBuffer,
         .reset = reset,
@@ -58,6 +60,15 @@ pub fn reset(interface: *Interface, flags: vk.CommandBufferResetFlags) VkError!v
 
 // Commands ====================================================================================================
 
+pub fn clearColorImage(interface: *Interface, image: *base.Image, layout: vk.ImageLayout, color: *const vk.ClearColorValue, ranges: []const vk.ImageSubresourceRange) VkError!void {
+    // No-op
+    _ = interface;
+    _ = image;
+    _ = layout;
+    _ = color;
+    _ = ranges;
+}
+
 pub fn fillBuffer(interface: *Interface, buffer: *base.Buffer, offset: vk.DeviceSize, size: vk.DeviceSize, data: u32) VkError!void {
     // No-op
     _ = interface;
@@ -74,3 +85,11 @@ pub fn copyBuffer(interface: *Interface, src: *base.Buffer, dst: *base.Buffer, r
     _ = dst;
     _ = regions;
 }
+
+pub fn copyImage(interface: *Interface, src: *base.Image, dst: *base.Image, regions: []const vk.ImageCopy) VkError!void {
+    // No-op
+    _ = interface;
+    _ = src;
+    _ = dst;
+    _ = regions;
+}