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-rw-r--r--src/intel/isl/isl.c9
-rw-r--r--src/intel/isl/isl.h4
2 files changed, 13 insertions, 0 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index e7e5530e5bf..5465496b8f2 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -73,6 +73,15 @@ isl_device_init(struct isl_device *dev,
dev->ss.size = RENDER_SURFACE_STATE_length(info) * 4;
dev->ss.align = isl_align(dev->ss.size, 32);
+ dev->ss.clear_value_size =
+ isl_align(RENDER_SURFACE_STATE_RedClearColor_bits(info) +
+ RENDER_SURFACE_STATE_GreenClearColor_bits(info) +
+ RENDER_SURFACE_STATE_BlueClearColor_bits(info) +
+ RENDER_SURFACE_STATE_AlphaClearColor_bits(info), 32) / 8;
+
+ dev->ss.clear_value_offset =
+ RENDER_SURFACE_STATE_RedClearColor_start(info) / 32 * 4;
+
assert(RENDER_SURFACE_STATE_SurfaceBaseAddress_start(info) % 8 == 0);
dev->ss.addr_offset =
RENDER_SURFACE_STATE_SurfaceBaseAddress_start(info) / 8;
diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 92d2ffc31a5..fcf03b1a5b3 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -919,6 +919,10 @@ struct isl_device {
uint8_t align;
uint8_t addr_offset;
uint8_t aux_addr_offset;
+
+ /* Rounded up to the nearest dword to simplify GPU memcpy operations. */
+ uint8_t clear_value_size;
+ uint8_t clear_value_offset;
} ss;
/**