From fdb6c1887f7b61ef49fb89e0b0928f65b2edf29b Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Wed, 4 May 2016 22:52:52 -0700 Subject: [PATCH] i965: Add a brw_load_register_reg64 helper. It appears that we can't do this in a single command (like we do for MI_LOAD_REGISTER_IMM) - the Skylake simulator gets rather grumpy about the command length if I try to combine them. No matter. Signed-off-by: Kenneth Graunke Reviewed-by: Jordan Justen --- src/mesa/drivers/dri/i965/brw_context.h | 2 ++ src/mesa/drivers/dri/i965/intel_batchbuffer.c | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index c216904adaa..b620f14b39f 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -1463,6 +1463,8 @@ void brw_load_register_imm64(struct brw_context *brw, uint32_t reg, uint64_t imm); void brw_load_register_reg(struct brw_context *brw, uint32_t src, uint32_t dest); +void brw_load_register_reg64(struct brw_context *brw, uint32_t src, + uint32_t dest); void brw_store_data_imm32(struct brw_context *brw, drm_intel_bo *bo, uint32_t offset, uint32_t imm); void brw_store_data_imm64(struct brw_context *brw, drm_intel_bo *bo, diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c index 98b94854c27..77cdc0adfc2 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c @@ -648,6 +648,24 @@ brw_load_register_reg(struct brw_context *brw, uint32_t src, uint32_t dest) ADVANCE_BATCH(); } +/* + * Copies a 64-bit register. + */ +void +brw_load_register_reg64(struct brw_context *brw, uint32_t src, uint32_t dest) +{ + assert(brw->gen >= 8 || brw->is_haswell); + + BEGIN_BATCH(6); + OUT_BATCH(MI_LOAD_REGISTER_REG | (3 - 2)); + OUT_BATCH(src); + OUT_BATCH(dest); + OUT_BATCH(MI_LOAD_REGISTER_REG | (3 - 2)); + OUT_BATCH(src + sizeof(uint32_t)); + OUT_BATCH(dest + sizeof(uint32_t)); + ADVANCE_BATCH(); +} + /* * Write 32-bits of immediate data to a GPU memory buffer. */ -- 2.30.2