Detect all texture sampling shader instructions.

Change-Id: If557db7db89659e6c2b043b21e5712fb34eafd8d
Reviewed-on: https://swiftshader-review.googlesource.com/4561
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
diff --git a/src/Shader/PixelShader.cpp b/src/Shader/PixelShader.cpp
index f569342..2147fea 100644
--- a/src/Shader/PixelShader.cpp
+++ b/src/Shader/PixelShader.cpp
@@ -225,7 +225,7 @@
 			for(unsigned int i = 0; i < instruction.size(); i++)
 			{
 				if(instruction[i]->dst.type == Shader::PARAMETER_TEXTURE)
-				{	
+				{
 					int index = instruction[i]->dst.index + 2;
 					int mask = instruction[i]->dst.mask;
 
@@ -288,7 +288,7 @@
 						int index = instruction[i]->src[argument].index;
 						int swizzle = instruction[i]->src[argument].swizzle;
 						int mask = instruction[i]->dst.mask;
-						
+
 						if(instruction[i]->src[argument].type == Shader::PARAMETER_TEXTURE)
 						{
 							index += 2;