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Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader_nir.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader_nir.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 00bcf963bea..ef0dd9dbf96 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -313,8 +313,34 @@ void si_nir_scan_shader(const struct nir_shader *nir,
}
}
+static void declare_nir_input_vs(struct si_shader_context *ctx,
+ struct nir_variable *variable, unsigned rel,
+ LLVMValueRef out[4])
+{
+ si_llvm_load_input_vs(ctx, variable->data.driver_location / 4 + rel, out);
+}
+
bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *nir)
{
+ nir_foreach_variable(variable, &nir->inputs) {
+ unsigned attrib_count = glsl_count_attribute_slots(variable->type,
+ nir->stage == MESA_SHADER_VERTEX);
+ unsigned input_idx = variable->data.driver_location;
+
+ for (unsigned i = 0; i < attrib_count; ++i) {
+ LLVMValueRef data[4];
+
+ declare_nir_input_vs(ctx, variable, i, data);
+
+ for (unsigned chan = 0; chan < 4; chan++) {
+ ctx->inputs[input_idx + chan] =
+ LLVMBuildBitCast(ctx->ac.builder, data[chan], ctx->ac.i32, "");
+ }
+ }
+ }
+
+ ctx->abi.inputs = &ctx->inputs[0];
+
ac_nir_translate(&ctx->ac, &ctx->abi, nir, NULL);
return true;