[PATCH vkd3d 01/10] vkd3d: Use minimum width/height/layer framebuffer.

[Conor McCarthy]

All attachments must be at least as large as the framebuffer; using a
max operator is not compliant with Vulkan
(VUID-VkFramebufferCreateInfo-flags-04533, etc).

From: Hans-Kristian Arntzen 
Signed-off-by: Conor McCarthy 
---
 libs/vkd3d/command.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 9f4a4149..e81feea4 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -4517,6 +4517,7 @@ static void STDMETHODCALLTYPE d3d12_command_list_OMSetRenderTargets(ID3D12Graphi
         BOOL single_descriptor_handle, const D3D12_CPU_DESCRIPTOR_HANDLE *depth_stencil_descriptor)
 {
     struct d3d12_command_list *list = impl_from_ID3D12GraphicsCommandList2(iface);
+    const VkPhysicalDeviceLimits *limits = &list->device->vk_info.device_limits;
     const struct d3d12_rtv_desc *rtv_desc;
     const struct d3d12_dsv_desc *dsv_desc;
     VkFormat prev_dsv_format;
@@ -4535,9 +4536,9 @@ static void STDMETHODCALLTYPE d3d12_command_list_OMSetRenderTargets(ID3D12Graphi
         render_target_descriptor_count = ARRAY_SIZE(list->rtvs);
     }

-    list->fb_width = 0;
-    list->fb_height = 0;
-    list->fb_layer_count = 0;
+    list->fb_width = limits->maxFramebufferWidth;
+    list->fb_height = limits->maxFramebufferHeight;
+    list->fb_layer_count = limits->maxFramebufferLayers;
     for (i = 0; i < render_target_descriptor_count; ++i)
     {
         if (single_descriptor_handle)
@@ -4567,9 +4568,9 @@ static void STDMETHODCALLTYPE d3d12_command_list_OMSetRenderTargets(ID3D12Graphi
         }

list->rtvs[i] = view->u.vk_image_view;
-        list->fb_width = max(list->fb_width, rtv_desc->width);
-        list->fb_height = max(list->fb_height, rtv_desc->height);
-        list->fb_layer_count = max(list->fb_layer_count, rtv_desc->layer_count);
+        list->fb_width = min(list->fb_width, rtv_desc->width);
+        list->fb_height = min(list->fb_height, rtv_desc->height);
+        list->fb_layer_count = min(list->fb_layer_count, rtv_desc->layer_count);
     }

prev_dsv_format = list->dsv_format;
@@ -4591,9 +4592,9 @@ static void STDMETHODCALLTYPE d3d12_command_list_OMSetRenderTargets(ID3D12Graphi
             }

list->dsv = view->u.vk_image_view;
-            list->fb_width = max(list->fb_width, dsv_desc->width);
-            list->fb_height = max(list->fb_height, dsv_desc->height);
-            list->fb_layer_count = max(list->fb_layer_count, dsv_desc->layer_count);
+            list->fb_width = min(list->fb_width, dsv_desc->width);
+            list->fb_height = min(list->fb_height, dsv_desc->height);
+            list->fb_layer_count = min(list->fb_layer_count, dsv_desc->layer_count);
             list->dsv_format = dsv_desc->format->vk_format;
         }
         else