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-rw-r--r--src/mesa/swrast/s_texture.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index c08a4e9d1e4..1d449a2b44d 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -279,6 +279,13 @@ _swrast_map_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
continue;
}
+ if (!swImage->ImageSlices) {
+ swImage->ImageSlices =
+ calloc(texture_slices(texImage), sizeof(void *));
+ if (!swImage->ImageSlices)
+ continue;
+ }
+
for (i = 0; i < texture_slices(texImage); i++) {
GLubyte *map;
GLint rowStride;
@@ -325,6 +332,9 @@ _swrast_unmap_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
if (swImage->Buffer)
return;
+ if (!swImage->ImageSlices)
+ continue;
+
for (i = 0; i < texture_slices(texImage); i++) {
if (swImage->ImageSlices[i]) {
ctx->Driver.UnmapTextureImage(ctx, texImage, i);