It's only used inside #ifdef DEBUG. Cuts ~1.7k of .text, and more
importantly prevents a larger code size regression in the next commit
when the .used field is replaced and calculated on demand.
text data bss dec hex filename
4945468 195152 26192 5166812 4ed6dc i965_dri.so before
4943740 195152 26192 5165084 4ed01c i965_dri.so after
And surround the emit and total fields with #ifdef DEBUG to prevent
such mistakes from happening again.
---
src/mesa/drivers/dri/i965/brw_context.h | 2 ++
src/mesa/drivers/dri/i965/intel_batchbuffer.h | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_context.h
b/src/mesa/drivers/dri/i965/brw_context.h
index 7596139..afb714b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -872,7 +872,9 @@ struct intel_batchbuffer {
/** BO for post-sync nonzero writes for gen6 workaround. */
drm_intel_bo *workaround_bo;
+#ifdef DEBUG
uint16_t emit, total;
+#endif
uint16_t used, reserved_space;
uint32_t *map;
uint32_t *cpu_map;
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.h
b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
index fdd07e0..f0971e9 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.h
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
@@ -134,8 +134,8 @@ intel_batchbuffer_begin(struct brw_context *brw, int n,
enum brw_gpu_ring ring)
{
intel_batchbuffer_require_space(brw, n * 4, ring);
- brw->batch.emit = brw->batch.used;
#ifdef DEBUG
+ brw->batch.emit = brw->batch.used;
brw->batch.total = n;
#endif
}
--
2.3.6
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