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radv: tidy up ac_setup_rings() for the GSVS rings 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-09-13 15:58:02 +02:00
parent 40fb8c7fca
commit c28ea92947
1 changed files with 32 additions and 11 deletions
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43
src/amd/vulkan/radv_nir_to_llvm.c
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@ -3135,21 +3135,42 @@ ac_setup_rings(struct radv_shader_context *ctx)
}
if (ctx->is_gs_copy_shader) {
ctx->gsvs_ring = ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets, LLVMConstInt(ctx->ac.i32, RING_GSVS_VS, false));
ctx->gsvs_ring =
ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets,
LLVMConstInt(ctx->ac.i32,
RING_GSVS_VS, false));
}
if (ctx->stage == MESA_SHADER_GEOMETRY) {
LLVMValueRef tmp;
uint32_t num_entries = 64;
LLVMValueRef gsvs_ring_desc = LLVMConstInt(ctx->ac.i32, ctx->max_gsvs_emit_size << 16, false);
ctx->gsvs_ring = ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets, LLVMConstInt(ctx->ac.i32, RING_GSVS_GS, false));
unsigned num_records = 64;
LLVMValueRef base_ring;
LLVMValueRef ring, tmp;
unsigned stride;
ctx->gsvs_ring = LLVMBuildBitCast(ctx->ac.builder, ctx->gsvs_ring, ctx->ac.v4i32, "");
base_ring =
ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets,
LLVMConstInt(ctx->ac.i32,
RING_GSVS_GS, false));
tmp = LLVMConstInt(ctx->ac.i32, num_entries, false);
ctx->gsvs_ring = LLVMBuildInsertElement(ctx->ac.builder, ctx->gsvs_ring, tmp, LLVMConstInt(ctx->ac.i32, 2, false), "");
tmp = LLVMBuildExtractElement(ctx->ac.builder, ctx->gsvs_ring, ctx->ac.i32_1, "");
tmp = LLVMBuildOr(ctx->ac.builder, tmp, gsvs_ring_desc, "");
ctx->gsvs_ring = LLVMBuildInsertElement(ctx->ac.builder, ctx->gsvs_ring, tmp, ctx->ac.i32_1, "");
stride = ctx->max_gsvs_emit_size;
ring = LLVMBuildBitCast(ctx->ac.builder, base_ring,
ctx->ac.v4i32, "");
tmp = LLVMBuildExtractElement(ctx->ac.builder, ring,
ctx->ac.i32_1, "");
tmp = LLVMBuildOr(ctx->ac.builder, tmp,
LLVMConstInt(ctx->ac.i32,
S_008F04_STRIDE(stride), false), "");
ring = LLVMBuildInsertElement(ctx->ac.builder, ring, tmp,
ctx->ac.i32_1, "");
ring = LLVMBuildInsertElement(ctx->ac.builder, ring,
LLVMConstInt(ctx->ac.i32,
num_records, false),
LLVMConstInt(ctx->ac.i32, 2, false), "");
ctx->gsvs_ring = ring;
}
if (ctx->stage == MESA_SHADER_TESS_CTRL ||