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authorTopi Pohjolainen <[email protected]>2016-05-31 16:47:50 +0300
committerTopi Pohjolainen <[email protected]>2016-06-01 09:16:36 +0300
commit6ca118d2f402495e88e5d534773007ac680885a2 (patch)
tree9df3c0196f2197ae54d3ec9fa1b429468a83c840 /src/mesa
parent30e9e6bd071097fd602a15f488b7eead45460885 (diff)
i965: Add norbc debug option
This INTEL_DEBUG option disables lossless compression (also known as render buffer compression). v2: (Matt) Use likely(!lossless_compression_disabled) instead of !likely(lossless_compression_disabled) (Grazvydas) Update docs/envvars.html Cc: "12.0" <[email protected]> Signed-off-by: Topi Pohjolainen <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/intel_debug.c1
-rw-r--r--src/mesa/drivers/dri/i965/intel_debug.h1
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.c2
3 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_debug.c b/src/mesa/drivers/dri/i965/intel_debug.c
index 2589c43ab5e..33e840293a2 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.c
+++ b/src/mesa/drivers/dri/i965/intel_debug.c
@@ -80,6 +80,7 @@ static const struct debug_control debug_control[] = {
{ "tes", DEBUG_TES },
{ "l3", DEBUG_L3 },
{ "do32", DEBUG_DO32 },
+ { "norbc", DEBUG_NO_RBC },
{ NULL, 0 }
};
diff --git a/src/mesa/drivers/dri/i965/intel_debug.h b/src/mesa/drivers/dri/i965/intel_debug.h
index 22ad83480da..f407b6a3cb7 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.h
+++ b/src/mesa/drivers/dri/i965/intel_debug.h
@@ -73,6 +73,7 @@ extern uint64_t INTEL_DEBUG;
#define DEBUG_TES (1ull << 37)
#define DEBUG_L3 (1ull << 38)
#define DEBUG_DO32 (1ull << 39)
+#define DEBUG_NO_RBC (1ull << 40)
#ifdef HAVE_ANDROID_PLATFORM
#define LOG_TAG "INTEL-MESA"
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 3b032c7b0fa..b6265dc3a65 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1620,7 +1620,9 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
* single-sampled buffers. Disabling compression allows us to skip
* resolves.
*/
+ const bool lossless_compression_disabled = INTEL_DEBUG & DEBUG_NO_RBC;
const bool is_lossless_compressed =
+ unlikely(!lossless_compression_disabled) &&
brw->gen >= 9 && !mt->is_scanout &&
intel_miptree_supports_lossless_compressed(brw, mt);