From 7418bc861f6a73faaeb0ca0e78638e633aee607f Mon Sep 17 00:00:00 2001
From: Jose Fonseca <jfonseca@vmware.com>
Date: Fri, 30 Oct 2015 23:05:43 +0000
Subject: ddrawtrace: Fix calculation of FVF texture coord size.

---
 helpers/d3d7size.hpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'helpers')

diff --git a/helpers/d3d7size.hpp b/helpers/d3d7size.hpp
index 1d96cda6..5d0f6204 100644
--- a/helpers/d3d7size.hpp
+++ b/helpers/d3d7size.hpp
@@ -92,7 +92,20 @@ _getVertexSize(DWORD dwFVF) {
     for (DWORD CoordIndex = 0; CoordIndex < dwNumTextures; ++CoordIndex) {
         // See D3DFVF_TEXCOORDSIZE*
         DWORD dwTexCoordSize = (dwFVF >> (CoordIndex*2 + 16)) & 3;
-        size += dwTexCoordSize * sizeof(FLOAT);
+        switch (dwTexCoordSize) {
+        case D3DFVF_TEXTUREFORMAT2:
+            size += 2 * sizeof(FLOAT);
+            break;
+        case D3DFVF_TEXTUREFORMAT1:
+            size += 1 * sizeof(FLOAT);
+            break;
+        case D3DFVF_TEXTUREFORMAT3:
+            size += 3 * sizeof(FLOAT);
+            break;
+        case D3DFVF_TEXTUREFORMAT4:
+            size += 4 * sizeof(FLOAT);
+            break;
+        }
     }
 
     assert((dwFVF & D3DFVF_RESERVED2) == 0);
-- 
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