From 4318dbe05142dd7229d4b44565b482ed50a7c381 Mon Sep 17 00:00:00 2001
From: Pandora <pandora@techfo.xyz>
Date: Thu, 7 Dec 2017 16:09:13 -0500
Subject: [PATCH] fix compiling for 32-bit machines / machine without SSE2

---
 blur.c      | 4 ++--
 blur.h      | 3 ++-
 blur_simd.c | 8 ++++----
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/blur.c b/blur.c
index d91d231..74adf4d 100644
--- a/blur.c
+++ b/blur.c
@@ -121,8 +121,8 @@ void blur_impl_horizontal_pass_generic(uint32_t *src, uint32_t *dst, int width,
                     rgbaIn[i] = *(src - k);
             } else {
                 for (; i < KERNEL_SIZE; i++) {
-                    if ((long long) ((src + 4*i - HALF_KERNEL) + 1)
-                            > (long long) (o_src + (height * width)))
+                    if ((uintptr_t) ((src + 4*i - HALF_KERNEL) + 1)
+                            > (uintptr_t) (o_src + (height * width)))
                         break;
               			rgbaIn[i] = *(src + i - HALF_KERNEL);
 								}
diff --git a/blur.h b/blur.h
index fd93853..d729e92 100644
--- a/blur.h
+++ b/blur.h
@@ -9,9 +9,10 @@
 #define HALF_KERNEL KERNEL_SIZE / 2
 
 void blur_image_surface(cairo_surface_t *surface, int sigma);
+#ifdef __SSE2__
 void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int height);
+#endif
 void blur_impl_horizontal_pass_generic(uint32_t *src, uint32_t *dst, int width, int height);
-
 #endif
 
 
diff --git a/blur_simd.c b/blur_simd.c
index 92aca9f..1cc2711 100644
--- a/blur_simd.c
+++ b/blur_simd.c
@@ -12,7 +12,7 @@
 
 // number of xmm registers needed to store input pixels for given kernel size
 #define REGISTERS_CNT (KERNEL_SIZE + 4/2) / 4
-
+#ifdef __SSE2__
 void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int height) {
     uint32_t* o_src = src;
     for (int row = 0; row < height; row++) {
@@ -46,8 +46,8 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
                     rgbaIn[k] = _mm_load_si128((__m128i*)(_rgbaIn + 4*k));
             } else {
                 for (int k = 0; k < REGISTERS_CNT; k++) {
-                    if ((long long) (((__m128i*) src + 4*k - HALF_KERNEL) + 1)
-                            > (long long) (o_src + (height * width)))
+                    if ((uintptr_t) (((__m128i*) src + 4*k - HALF_KERNEL) + 1)
+                            > (uintptr_t) (o_src + (height * width)))
                         break;
                     rgbaIn[k] = _mm_loadu_si128((__m128i*)(src + 4*k - HALF_KERNEL));
                 }
@@ -76,4 +76,4 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
         }
     }
 }
-
+#endif