From 65586cd259e5cd5c1f1cc1805845514e777e0179 Mon Sep 17 00:00:00 2001
From: Andreas Grois <andi@grois.info>
Date: Sun, 11 Mar 2018 18:49:57 +0100
Subject: Use long for command line validity checks.

---
 BuddhaTest/src/Helpers.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/BuddhaTest/src/Helpers.cpp b/BuddhaTest/src/Helpers.cpp
index a5743e5..e1a4115 100644
--- a/BuddhaTest/src/Helpers.cpp
+++ b/BuddhaTest/src/Helpers.cpp
@@ -262,11 +262,9 @@ namespace Helpers
             std::cerr << "Image height has to be an even number." << std::endl;
             return false;
         }
-        const unsigned int bufferHeight = imageHeight/2;
-        const unsigned int pixelCount{(imageWidth * imageHeight/2)*3}; //*3 -> RGB
         int maxSSBOSize;
         glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE,&maxSSBOSize);
-        if(pixelCount * 4 > static_cast<unsigned int>(maxSSBOSize))
+        if((static_cast<unsigned long>(imageWidth) * static_cast<unsigned long>(imageHeight)) > static_cast<unsigned long>(maxSSBOSize)/6)
         {
             std::cerr << "Requested buffer size larger than maximum allowed by graphics driver. Max pixel number: " << maxSSBOSize/6 << std::endl;
             return false;
@@ -294,7 +292,7 @@ namespace Helpers
         }
         int maxInvocations;
         glGetIntegerv(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS,&maxInvocations);
-        if(localWorkgroupSizeX*localWorkgroupSizeY*localWorkgroupSizeZ > static_cast<unsigned int>(maxInvocations))
+        if(static_cast<unsigned long>(localWorkgroupSizeX)*static_cast<unsigned long>(localWorkgroupSizeY)*static_cast<unsigned long>(localWorkgroupSizeZ) > static_cast<unsigned long>(maxInvocations))
         {
             std::cerr << "Requested local work group size exceeds maximum total count (Product of x*y*z dimensions). Limit: " << maxInvocations << std::endl;
             return false;
-- 
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