From f66844820e3ae2403d66d3275b1bf3e77087189c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 22 Feb 2015 14:46:20 +0100 Subject: [PATCH] radeonsi: separate primitive ID computation MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Support for new shader stages will be added here. Reviewed-by: Michel Dänzer --- src/gallium/drivers/radeonsi/si_shader.c | 27 ++++++++++++++++++------ 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 288f377fd93..5626c9e2fbb 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -328,6 +328,24 @@ static void declare_input_vs( } } +static LLVMValueRef get_primitive_id(struct lp_build_tgsi_context *bld_base, + unsigned swizzle) +{ + struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); + + if (swizzle > 0) + return bld_base->uint_bld.zero; + + switch (si_shader_ctx->type) { + case TGSI_PROCESSOR_GEOMETRY: + return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, + SI_PARAM_PRIMITIVE_ID); + default: + assert(0); + return bld_base->uint_bld.zero; + } +} + static LLVMValueRef fetch_input_gs( struct lp_build_tgsi_context *bld_base, const struct tgsi_full_src_register *reg, @@ -347,13 +365,8 @@ static LLVMValueRef fetch_input_gs( unsigned semantic_name = info->input_semantic_name[reg->Register.Index]; unsigned semantic_index = info->input_semantic_index[reg->Register.Index]; - if (swizzle != ~0 && semantic_name == TGSI_SEMANTIC_PRIMID) { - if (swizzle == 0) - return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, - SI_PARAM_PRIMITIVE_ID); - else - return uint->zero; - } + if (swizzle != ~0 && semantic_name == TGSI_SEMANTIC_PRIMID) + return get_primitive_id(bld_base, swizzle); if (!reg->Register.Dimension) return NULL; -- 2.30.2