summaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h4
-rw-r--r--src/mesa/drivers/dri/i965/intel_batchbuffer.c45
-rw-r--r--src/mesa/drivers/dri/i965/intel_reg.h1
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 efe7730965d..e628564f14a 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 03a31b69184..334be0c427d 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 01b435864e3..c0d28746875 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)