From 9f00e14ca629251c199adb33e7c58b1893805d7a Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 3 Jul 2018 12:42:17 +0200
Subject: [PATCH] [dxgi] Add method to query the family of a given format

---
 src/dxgi/dxgi_adapter.cpp  |  7 +++++++
 src/dxgi/dxgi_adapter.h    |  4 ++++
 src/dxgi/dxgi_interfaces.h | 17 ++++++++++++++---
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/dxgi/dxgi_adapter.cpp b/src/dxgi/dxgi_adapter.cpp
index 8c43a2bf6..24e4a18f7 100644
--- a/src/dxgi/dxgi_adapter.cpp
+++ b/src/dxgi/dxgi_adapter.cpp
@@ -229,6 +229,13 @@ namespace dxvk {
   }
   
   
+  DXGI_VK_FORMAT_FAMILY STDMETHODCALLTYPE DxgiAdapter::LookupFormatFamily(
+          DXGI_FORMAT               Format,
+          DXGI_VK_FORMAT_MODE       Mode) {
+    return m_formats.GetFormatFamily(Format, Mode);
+  }
+  
+  
   HRESULT DxgiAdapter::GetOutputFromMonitor(
           HMONITOR                  Monitor,
           IDXGIOutput**             ppOutput) {
diff --git a/src/dxgi/dxgi_adapter.h b/src/dxgi/dxgi_adapter.h
index 02014fb09..674a502f4 100644
--- a/src/dxgi/dxgi_adapter.h
+++ b/src/dxgi/dxgi_adapter.h
@@ -57,6 +57,10 @@ namespace dxvk {
             DXGI_FORMAT               Format,
             DXGI_VK_FORMAT_MODE       Mode) final;
     
+    DXGI_VK_FORMAT_FAMILY STDMETHODCALLTYPE LookupFormatFamily(
+            DXGI_FORMAT               Format,
+            DXGI_VK_FORMAT_MODE       Mode) final;
+    
     HRESULT GetOutputFromMonitor(
             HMONITOR                  Monitor,
             IDXGIOutput**             ppOutput);
diff --git a/src/dxgi/dxgi_interfaces.h b/src/dxgi/dxgi_interfaces.h
index d46f98d94..ca354c028 100644
--- a/src/dxgi/dxgi_interfaces.h
+++ b/src/dxgi/dxgi_interfaces.h
@@ -67,11 +67,22 @@ IDXGIVkAdapter : public IDXGIAdapter2 {
    * formats, this is not guaranteed.
    * \param [in] format The DXGI format
    * \param [in] mode Format lookup mode
-   * \returns Vulkan format pair
+   * \returns Vulkan format mapping
    */
   virtual dxvk::DXGI_VK_FORMAT_INFO STDMETHODCALLTYPE LookupFormat(
-          DXGI_FORMAT               format,
-          dxvk::DXGI_VK_FORMAT_MODE mode) = 0;
+          DXGI_FORMAT               Format,
+          dxvk::DXGI_VK_FORMAT_MODE Mode) = 0;
+  
+  /**
+   * \brief Queries the compatibility family of a given format
+   * 
+   * \param [in] Format The DXGI format
+   * \param [in] Mode Format lookup mode
+   * \returns Format family
+   */
+  virtual dxvk::DXGI_VK_FORMAT_FAMILY STDMETHODCALLTYPE LookupFormatFamily(
+          DXGI_FORMAT               Format,
+          dxvk::DXGI_VK_FORMAT_MODE Mode) = 0;
 };