diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-04-18 16:19:34 -0700 |
|---|---|---|
| committer | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-04 11:23:17 -0700 |
| commit | aad14a22cb220aeda1337ed6f72409ad3ef64dcf (patch) | |
| tree | 0f9acad87481cbfdbb25765032ecca2bed31b0d8 | |
| parent | ac0bbf9ef39b14e53045431ef7817a5b37807328 (diff) | |
i965/gen6+: Add support for storing immediate data into a buffer
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_batchbuffer.c | 45 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_reg.h | 1 |
3 files changed, 50 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index efe7730965..e628564f14 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -1452,6 +1452,10 @@ void brw_store_register_mem32(struct brw_context *brw, drm_intel_bo *bo, uint32_t reg, uint32_t offset); void brw_store_register_mem64(struct brw_context *brw, drm_intel_bo *bo, uint32_t reg, uint32_t offset); +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, + uint32_t offset, uint64_t imm); /*====================================================================== * brw_state_dump.c diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c index 03a31b6918..334be0c427 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c @@ -600,3 +600,48 @@ brw_store_register_mem64(struct brw_context *brw, ADVANCE_BATCH(); } } + +/* + * Write 32-bits of immediate data to a GPU memory buffer. + */ +void +brw_store_data_imm32(struct brw_context *brw, drm_intel_bo *bo, + uint32_t offset, uint32_t imm) +{ + const int len = brw->gen >= 8 ? 4 : 3; + assert(brw->gen >= 6); + + BEGIN_BATCH(len); + OUT_BATCH(MI_STORE_DATA_IMM | (len - 2)); + if (len > 3) + OUT_RELOC64(bo, I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + offset); + else + OUT_RELOC(bo, I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + offset); + OUT_BATCH(imm); + ADVANCE_BATCH(); +} + +/* + * Write 64-bits of immediate data to a GPU memory buffer. + */ +void +brw_store_data_imm64(struct brw_context *brw, drm_intel_bo *bo, + uint32_t offset, uint64_t imm) +{ + const int len = brw->gen >= 8 ? 5 : 4; + assert(brw->gen >= 6); + + BEGIN_BATCH(len); + OUT_BATCH(MI_STORE_DATA_IMM | (len - 2)); + if (len > 4) + OUT_RELOC64(bo, I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + offset); + else + OUT_RELOC(bo, I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + offset); + OUT_BATCH(imm & 0xffffffffu); + OUT_BATCH(imm >> 32); + ADVANCE_BATCH(); +} diff --git a/src/mesa/drivers/dri/i965/intel_reg.h b/src/mesa/drivers/dri/i965/intel_reg.h index 01b435864e..c0d2874687 100644 --- a/src/mesa/drivers/dri/i965/intel_reg.h +++ b/src/mesa/drivers/dri/i965/intel_reg.h @@ -35,6 +35,7 @@ #define FLUSH_MAP_CACHE (1 << 0) #define INHIBIT_FLUSH_RENDER_CACHE (1 << 2) +#define MI_STORE_DATA_IMM (CMD_MI | (0x20 << 23)) #define MI_LOAD_REGISTER_IMM (CMD_MI | (0x22 << 23)) #define MI_FLUSH_DW (CMD_MI | (0x26 << 23) | 2) |