Fix blank sampling on Raspberry PI

Author: floppyhammer

pathfinder/common/i32x4.h

@@ -5,7 +5,7 @@
 
 #include "../config.h"
 
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || (defined(__linux__) && defined(__ARM_ARCH))
     // A C/C++ header file that converts Intel SSE intrinsics to Arm/Aarch64 NEON intrinsics.
     #include <sse2neon.h>
 #else

pathfinder/core/paint/palette.cpp

@@ -321,6 +321,10 @@ PaintLocationsInfo Palette::assign_paint_locations(const std::shared_ptr<PaintTe
                 if (!pattern.smoothing_enabled()) {
                     sampling_flags.value |= TextureSamplingFlags::NEAREST_MIN | TextureSamplingFlags::NEAREST_MAG;
                 }
+                // Raspberry PI only supports NEAREST for NPOT textures.
+#if defined(__linux__) && defined(__ARM_ARCH)
+                sampling_flags.value |= TextureSamplingFlags::NEAREST_MIN | TextureSamplingFlags::NEAREST_MAG;
+#endif
 
                 PaintFilter paint_filter;
                 // We can have a pattern without a filter.