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| 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 /src/mesa/drivers/dri/i965/intel_batchbuffer.c | |
| parent | ac0bbf9ef39b14e53045431ef7817a5b37807328 (diff) | |
| download | external_mesa3d-aad14a22cb220aeda1337ed6f72409ad3ef64dcf.zip external_mesa3d-aad14a22cb220aeda1337ed6f72409ad3ef64dcf.tar.gz external_mesa3d-aad14a22cb220aeda1337ed6f72409ad3ef64dcf.tar.bz2 | |
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>
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_batchbuffer.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_batchbuffer.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c index 03a31b6..334be0c 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(); +} |