From 6c681b4cc1aab20f280dfce88d77896b64588144 Mon Sep 17 00:00:00 2001 From: Anuj Phogat Date: Tue, 31 Oct 2017 09:28:09 -0700 Subject: [PATCH] i965/gen10: Enable float blend optimization This optimization is enabled for previous generations too. See Mesa commit c17e214a6b On CNL this bit has been moved to CACHE_MODE_SS register. Signed-off-by: Anuj Phogat Reviewed-by: Nanley Chery --- src/mesa/drivers/dri/i965/brw_defines.h | 3 +++ src/mesa/drivers/dri/i965/brw_state_upload.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 270cdf29db3..105fff3548f 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -1688,6 +1688,9 @@ enum brw_pixel_shader_coverage_mask_mode { # define GEN8_L3CNTLREG_ALL_ALLOC_SHIFT 25 # define GEN8_L3CNTLREG_ALL_ALLOC_MASK INTEL_MASK(31, 25) +#define GEN10_CACHE_MODE_SS 0x0e420 +#define GEN10_FLOAT_BLEND_OPTIMIZATION_ENABLE (1 << 4) + #define INSTPM 0x20c0 # define INSTPM_CONSTANT_BUFFER_ADDRESS_OFFSET_DISABLE (1 << 6) diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c index 9e1cf54abda..9e64213c2e7 100644 --- a/src/mesa/drivers/dri/i965/brw_state_upload.c +++ b/src/mesa/drivers/dri/i965/brw_state_upload.c @@ -62,6 +62,12 @@ brw_upload_initial_gpu_state(struct brw_context *brw) brw_upload_invariant_state(brw); + if (devinfo->gen == 10) { + brw_load_register_imm32(brw, GEN10_CACHE_MODE_SS, + REG_MASK(GEN10_FLOAT_BLEND_OPTIMIZATION_ENABLE) | + GEN10_FLOAT_BLEND_OPTIMIZATION_ENABLE); + } + if (devinfo->gen == 9) { /* Recommended optimizations for Victim Cache eviction and floating * point blending. -- 2.30.2