+void
+vk_set_viewport(struct vk_ctx *ctx,
+ VkCommandBuffer cmd_buf,
+ float x, float y,
+ float w, float h,
+ float near, float far)
+{
+ VkCommandBufferBeginInfo binfo;
+ VkViewport viewport;
+
+ memset(&viewport, 0, sizeof viewport);
+ viewport.x = x;
+ viewport.y = y;
+ viewport.width = w;
+ viewport.height = h;
+ viewport.minDepth = near;
+ viewport.maxDepth = far;
+
+ memset(&binfo, 0, sizeof binfo);
+ binfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ binfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
+
+ vkBeginCommandBuffer(cmd_buf, &binfo);
+ vkCmdSetViewport(cmd_buf, 0, 1, &viewport);
+ vkEndCommandBuffer(cmd_buf);
+}
+