sw_engine: fixed declaration of 'i' shadows a previous local

Some gcc versions and configurations was giving an error: error:
"declaration of 'i' shadows a previous local"
This patch should fix these errors

Change-Id: Ic33bc0095a7ddfd78dd530a7dd4712c000ddd2eb

diff --git a/src/lib/sw_engine/tvgSwRaster.cpp b/src/lib/sw_engine/tvgSwRaster.cpp
index 07a8561af037afad3d71047db78ed6e23c48ac81..7ef47b2a895c361edeb13b6c04144679f7b9c39a 100644 (file)
--- a/src/lib/sw_engine/tvgSwRaster.cpp
+++ b/src/lib/sw_engine/tvgSwRaster.cpp
@@ -1530,12 +1530,12 @@ static bool _rasterTranslucentLinearGradientRle(SwSurface* surface, const SwRleD
         auto dst = &surface->buffer[span->y * surface->stride + span->x];
         fillFetchLinear(fill, buffer, span->y, span->x, span->len);
         if (span->coverage == 255) {
-            for (uint32_t i = 0; i < span->len; ++i, ++dst) {
-                *dst = buffer[i] + ALPHA_BLEND(*dst, _ialpha(buffer[i]));
+            for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+                *dst = buffer[x] + ALPHA_BLEND(*dst, _ialpha(buffer[x]));
             }
         } else {
-            for (uint32_t i = 0; i < span->len; ++i, ++dst) {
-                auto tmp = ALPHA_BLEND(buffer[i], span->coverage);
+            for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+                auto tmp = ALPHA_BLEND(buffer[x], span->coverage);
                 *dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
             }
         }
@@ -1559,8 +1559,8 @@ static bool _rasterSolidLinearGradientRle(SwSurface* surface, const SwRleData* r
         } else {
             fillFetchLinear(fill, buf, span->y, span->x, span->len);
             auto dst = &surface->buffer[span->y * surface->stride + span->x];
-            for (uint32_t i = 0; i < span->len; ++i) {
-                dst[i] = INTERPOLATE(span->coverage, buf[i], dst[i]);
+            for (uint32_t x = 0; x < span->len; ++x) {
+                dst[x] = INTERPOLATE(span->coverage, buf[x], dst[x]);
             }
         }
     }
@@ -1719,12 +1719,12 @@ static bool _rasterTranslucentRadialGradientRle(SwSurface* surface, const SwRleD
         auto dst = &surface->buffer[span->y * surface->stride + span->x];
         fillFetchRadial(fill, buffer, span->y, span->x, span->len);
         if (span->coverage == 255) {
-            for (uint32_t i = 0; i < span->len; ++i, ++dst) {
-                *dst = buffer[i] + ALPHA_BLEND(*dst, _ialpha(buffer[i]));
+            for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+                *dst = buffer[x] + ALPHA_BLEND(*dst, _ialpha(buffer[x]));
             }
         } else {
-           for (uint32_t i = 0; i < span->len; ++i, ++dst) {
-                auto tmp = ALPHA_BLEND(buffer[i], span->coverage);
+           for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+                auto tmp = ALPHA_BLEND(buffer[x], span->coverage);
                 *dst = tmp + ALPHA_BLEND(*dst, _ialpha(tmp));
             }
         }
@@ -1749,8 +1749,8 @@ static bool _rasterSolidRadialGradientRle(SwSurface* surface, const SwRleData* r
         } else {
             fillFetchRadial(fill, buf, span->y, span->x, span->len);
             auto ialpha = 255 - span->coverage;
-            for (uint32_t i = 0; i < span->len; ++i, ++dst) {
-                *dst = ALPHA_BLEND(buf[i], span->coverage) + ALPHA_BLEND(*dst, ialpha);
+            for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+                *dst = ALPHA_BLEND(buf[x], span->coverage) + ALPHA_BLEND(*dst, ialpha);
             }
         }
     }