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radv: add a helper to emit a PKT3_COPY_DATA with an immediate

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34223>
This commit is contained in:
Samuel Pitoiset
2025-03-27 11:10:29 +01:00
committed by Marge Bot
parent cd08da2f20
commit 498fc42fa9
1 changed files with 15 additions and 16 deletions
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src/amd/vulkan/radv_cmd_buffer.c
+15 -16
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@@ -9432,6 +9432,19 @@ radv_emit_view_index(const struct radv_cmd_state *cmd_state, struct radeon_cmdbu
}
}
static void
radv_emit_copy_data_imm(const struct radv_physical_device *pdev, struct radeon_cmdbuf *cs, uint32_t src_imm,
uint64_t dst_va)
{
radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) | COPY_DATA_DST_SEL(COPY_DATA_DST_MEM) | COPY_DATA_WR_CONFIRM |
(pdev->info.gfx_level == GFX6 ? COPY_DATA_ENGINE_PFP : 0));
radeon_emit(cs, src_imm);
radeon_emit(cs, 0);
radeon_emit(cs, dst_va);
radeon_emit(cs, dst_va >> 32);
}
/**
* Emulates predication for MEC using COND_EXEC.
* When the current command buffer is predicating, emit a COND_EXEC packet
@@ -9454,30 +9467,16 @@ radv_cs_emit_compute_predication(const struct radv_device *device, struct radv_c
if (!state->predication_type) {
/* Invert the condition the first time it is needed. */
if (!*inv_emitted) {
const enum amd_gfx_level gfx_level = pdev->info.gfx_level;
*inv_emitted = true;
/* Write 1 to the inverted predication VA. */
radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) | COPY_DATA_DST_SEL(COPY_DATA_DST_MEM) |
COPY_DATA_WR_CONFIRM | (gfx_level == GFX6 ? COPY_DATA_ENGINE_PFP : 0));
radeon_emit(cs, 1);
radeon_emit(cs, 0);
radeon_emit(cs, inv_va);
radeon_emit(cs, inv_va >> 32);
radv_emit_copy_data_imm(pdev, cs, 1, inv_va);
/* If the API predication VA == 0, skip next command. */
radv_emit_cond_exec(device, cs, va, 6 /* 1x COPY_DATA size */);
/* Write 0 to the new predication VA (when the API condition != 0) */
radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) | COPY_DATA_DST_SEL(COPY_DATA_DST_MEM) |
COPY_DATA_WR_CONFIRM | (gfx_level == GFX6 ? COPY_DATA_ENGINE_PFP : 0));
radeon_emit(cs, 0);
radeon_emit(cs, 0);
radeon_emit(cs, inv_va);
radeon_emit(cs, inv_va >> 32);
radv_emit_copy_data_imm(pdev, cs, 0, inv_va);
}
va = inv_va;