Move CalcNumMips to common header so GL code can access it

renderdoc/common/common.cpp

@@ -223,6 +223,21 @@ bool FindDiffRange(void *a, void *b, size_t bufSize, size_t &diffStart, size_t &
 	return diffStart < bufSize;
 }
 
+uint32_t CalcNumMips(int w, int h, int d)
+{
+	int mipLevels = 1;
+
+	while(w > 1 || h > 1 || d > 1)
+	{
+		w = RDCMAX(1, w>>1);
+		h = RDCMAX(1, h>>1);
+		d = RDCMAX(1, d>>1);
+		mipLevels++;
+	}
+
+	return mipLevels;
+}
+
 static string &logfile()
 {
 	static string fn;

renderdoc/common/common.h

@@ -26,6 +26,7 @@
 #pragma once
 
 #include <stddef.h>
+#include <stdint.h>
 
 #include "globalconfig.h"
 
@@ -84,6 +85,7 @@ inline T AlignUp16(T x) { return (x+0xf) & (~0xf); }
 #define MAKE_FOURCC(a, b, c, d) (((uint32_t)(d) << 24) | ((uint32_t)(c) << 16) | ((uint32_t)(b) << 8) | (uint32_t)(a))
 
 bool FindDiffRange(void *a, void *b, size_t bufSize, size_t &diffStart, size_t &diffEnd);
+uint32_t CalcNumMips(int Width, int Height, int Depth);
 
 /////////////////////////////////////////////////
 // Debugging features

renderdoc/driver/d3d11/d3d11_resources.cpp

@@ -64,21 +64,6 @@ map<ResourceId,WrappedID3D11Texture3D::TextureEntry> WrappedTexture<ID3D11Textur
 map<ResourceId,WrappedID3D11Buffer::BufferEntry> WrappedID3D11Buffer::m_BufferList;
 map<ResourceId,WrappedShader::ShaderEntry> WrappedShader::m_ShaderList;
 
-UINT CalcNumMips(int w, int h, int d)
-{
-	int mipLevels = 1;
-
-	while(w > 1 || h > 1 || d > 1)
-	{
-		w = RDCMAX(1, w>>1);
-		h = RDCMAX(1, h>>1);
-		d = RDCMAX(1, d>>1);
-		mipLevels++;
-	}
-
-	return mipLevels;
-}
-
 UINT GetMipForSubresource(ID3D11Resource *res, int Subresource)
 {
 	D3D11_RESOURCE_DIMENSION dim;

renderdoc/driver/d3d11/d3d11_resources.h

@@ -67,8 +67,6 @@ UINT GetByteSize(ID3D11Texture1D *tex, int SubResource);
 UINT GetByteSize(ID3D11Texture2D *tex, int SubResource);
 UINT GetByteSize(ID3D11Texture3D *tex, int SubResource);
 
-UINT CalcNumMips(int Width, int Height, int Depth);
-
 UINT GetMipForSubresource(ID3D11Resource *res, int Subresource);
 
 // returns block size for block-compressed formats