diff options
| author | Marek Olšák <[email protected]> | 2014-05-06 18:12:40 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2014-06-02 12:58:22 +0200 |
| commit | 5b06fc376df8ac4e63603d1768cd0dccc9e4b491 (patch) | |
| tree | d92f803572ba65f97a7b7e7226d43d77b99168b1 | |
| parent | 501fee2511a0a84303319a5e3deacf4959da5b08 (diff) | |
radeonsi: implement SAMPLEID fragment shader input
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 5f4f1bf0f4a..d021caaa6c4 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -529,6 +529,18 @@ static void declare_input_fs( } } +static LLVMValueRef get_sample_id(struct radeon_llvm_context *radeon_bld) +{ + struct gallivm_state *gallivm = &radeon_bld->gallivm; + LLVMValueRef value = LLVMGetParam(radeon_bld->main_fn, + SI_PARAM_ANCILLARY); + value = LLVMBuildLShr(gallivm->builder, value, + lp_build_const_int32(gallivm, 8), ""); + value = LLVMBuildAnd(gallivm->builder, value, + lp_build_const_int32(gallivm, 0xf), ""); + return value; +} + static LLVMValueRef load_const(LLVMBuilderRef builder, LLVMValueRef resource, LLVMValueRef offset, LLVMTypeRef return_type) { @@ -558,6 +570,10 @@ static void declare_system_value( si_shader_ctx->param_vertex_id); break; + case TGSI_SEMANTIC_SAMPLEID: + value = get_sample_id(radeon_bld); + break; + default: assert(!"unknown system value"); return; @@ -2186,7 +2202,7 @@ static void create_function(struct si_shader_context *si_shader_ctx) params[SI_PARAM_POS_Z_FLOAT] = f32; params[SI_PARAM_POS_W_FLOAT] = f32; params[SI_PARAM_FRONT_FACE] = f32; - params[SI_PARAM_ANCILLARY] = f32; + params[SI_PARAM_ANCILLARY] = i32; params[SI_PARAM_SAMPLE_COVERAGE] = f32; params[SI_PARAM_POS_FIXED_PT] = f32; num_params = SI_PARAM_POS_FIXED_PT+1; |