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radv: fix loading 64-bit GS inputs

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We have to load 2 32-bit integer and to cast correctly.

This fixes crashes with gs-double-interpolator.vk_shader_test.

Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111734
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-09-18 16:21:57 +02:00
parent 7999e10cab
commit 68820007fd
1 changed files with 35 additions and 0 deletions
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35
src/amd/vulkan/radv_nir_to_llvm.c
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@@ -1601,6 +1601,18 @@ load_tes_input(struct ac_shader_abi *abi,
return result;
}
static LLVMValueRef
radv_emit_fetch_64bit(struct radv_shader_context *ctx,
LLVMTypeRef type, LLVMValueRef a, LLVMValueRef b)
{
LLVMValueRef values[2] = {
ac_to_integer(&ctx->ac, a),
ac_to_integer(&ctx->ac, b),
};
LLVMValueRef result = ac_build_gather_values(&ctx->ac, values, 2);
return LLVMBuildBitCast(ctx->ac.builder, result, type, "");
}
static LLVMValueRef
load_gs_input(struct ac_shader_abi *abi,
unsigned location,
@@ -1629,6 +1641,14 @@ load_gs_input(struct ac_shader_abi *abi,
dw_addr = LLVMBuildAdd(ctx->ac.builder, dw_addr,
LLVMConstInt(ctx->ac.i32, param * 4 + i + const_index, 0), "");
value[i] = ac_lds_load(&ctx->ac, dw_addr);
if (ac_get_type_size(type) == 8) {
dw_addr = LLVMBuildAdd(ctx->ac.builder, dw_addr,
LLVMConstInt(ctx->ac.i32, param * 4 + i + const_index + 1, 0), "");
LLVMValueRef tmp = ac_lds_load(&ctx->ac, dw_addr);
value[i] = radv_emit_fetch_64bit(ctx, type, value[i], tmp);
}
} else {
LLVMValueRef soffset =
LLVMConstInt(ctx->ac.i32,
@@ -1640,6 +1660,21 @@ load_gs_input(struct ac_shader_abi *abi,
ctx->ac.i32_0,
vtx_offset, soffset,
0, ac_glc, true, false);
if (ac_get_type_size(type) == 8) {
soffset = LLVMConstInt(ctx->ac.i32,
(param * 4 + i + const_index + 1) * 256,
false);
LLVMValueRef tmp =
ac_build_buffer_load(&ctx->ac,
ctx->esgs_ring, 1,
ctx->ac.i32_0,
vtx_offset, soffset,
0, ac_glc, true, false);
value[i] = radv_emit_fetch_64bit(ctx, type, value[i], tmp);
}
}
if (ac_get_type_size(type) == 2) {