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radeonsi: use the ac helper for SSBO stores

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This commit is contained in:
Marek Olšák 2019-05-24 18:56:05 -04:00
parent e5fe38484a
commit deef3833f8
1 changed files with 16 additions and 22 deletions
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38
src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
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@ -592,21 +592,22 @@ static void store_emit_buffer(struct si_shader_context *ctx,
while (writemask) {
int start, count;
const char *intrinsic_name;
LLVMValueRef data, voff;
u_bit_scan_consecutive_range(&writemask, &start, &count);
/* Due to an LLVM limitation, split 3-element writes
* into a 2-element and a 1-element write. */
if (count == 3) {
writemask |= 1 << (start + 2);
count = 2;
}
if (count == 4) {
if (count == 3 && ac_has_vec3_support(ctx->ac.chip_class, false)) {
LLVMValueRef values[3] = {
LLVMBuildExtractElement(builder, base_data,
LLVMConstInt(ctx->i32, start, 0), ""),
LLVMBuildExtractElement(builder, base_data,
LLVMConstInt(ctx->i32, start + 1, 0), ""),
LLVMBuildExtractElement(builder, base_data,
LLVMConstInt(ctx->i32, start + 2, 0), ""),
};
data = ac_build_gather_values(&ctx->ac, values, 3);
} else if (count >= 3) {
data = base_data;
intrinsic_name = "llvm.amdgcn.buffer.store.v4f32";
} else if (count == 2) {
LLVMValueRef values[2] = {
LLVMBuildExtractElement(builder, base_data,
@ -616,13 +617,11 @@ static void store_emit_buffer(struct si_shader_context *ctx,
};
data = ac_build_gather_values(&ctx->ac, values, 2);
intrinsic_name = "llvm.amdgcn.buffer.store.v2f32";
} else {
assert(count == 1);
data = LLVMBuildExtractElement(
builder, base_data,
LLVMConstInt(ctx->i32, start, 0), "");
intrinsic_name = "llvm.amdgcn.buffer.store.f32";
}
voff = base_offset;
@ -632,16 +631,11 @@ static void store_emit_buffer(struct si_shader_context *ctx,
LLVMConstInt(ctx->i32, start * 4, 0), "");
}
LLVMValueRef args[] = {
data,
resource,
ctx->i32_0, /* vindex */
voff,
LLVMConstInt(ctx->i1, !!(cache_policy & ac_glc), 0),
LLVMConstInt(ctx->i1, !!(cache_policy & ac_slc), 0),
};
ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->voidt, args, 6,
ac_get_store_intr_attribs(writeonly_memory));
ac_build_buffer_store_dword(&ctx->ac, resource, data, count,
voff, ctx->i32_0, 0,
!!(cache_policy & ac_glc),
!!(cache_policy & ac_slc),
writeonly_memory, false);
}
}