[Mesa-dev] [PATCH 2/2] i965: Guard GetBufferSubData's streaming memcpy load with USE_SSE41

Kenneth Graunke kenneth at whitecape.org
Fri Aug 11 05:52:47 UTC 2017


This should hopefully fix build issues on 32-bit Android-x86.

Cc: Mauro Rossi <issor.oruam at gmail.com>
Cc: Tapani Pälli <tapani.palli at intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102050
---
 src/mesa/drivers/dri/i965/intel_buffer_objects.c | 2 ++
 1 file changed, 2 insertions(+)

Mauro, hopefully this helps?

diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
index ee591168283..9afd98edb87 100644
--- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
@@ -342,6 +342,7 @@ brw_get_buffer_subdata(struct gl_context *ctx,
 
    unsigned int map_flags = MAP_READ;
    mem_copy_fn memcpy_fn = memcpy;
+#ifdef USE_SSE4_1
    if (!intel_obj->buffer->cache_coherent && cpu_has_sse4_1) {
       /* Rather than acquire a new WB mmaping of the buffer object and pull
        * it into the CPU cache, keep using the WC mmap that we have for writes,
@@ -350,6 +351,7 @@ brw_get_buffer_subdata(struct gl_context *ctx,
       map_flags |= MAP_COHERENT;
       memcpy_fn = (mem_copy_fn) _mesa_streaming_load_memcpy;
    }
+#endif
 
    void *map = brw_bo_map(brw, intel_obj->buffer, map_flags);
    if (unlikely(!map)) {
-- 
2.14.0



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