diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/radeonsi_shader.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c index dd9581dd95a..3d64324548c 100644 --- a/src/gallium/drivers/radeonsi/radeonsi_shader.c +++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c @@ -198,6 +198,8 @@ static void declare_input_fs( struct si_shader *shader = &si_shader_ctx->shader->shader; struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base; + struct lp_build_context *uint = + &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; struct gallivm_state * gallivm = base->gallivm; LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context); LLVMValueRef main_fn = si_shader_ctx->radeon_bld.main_fn; @@ -341,6 +343,22 @@ static void declare_input_fs( } shader->ninterp++; + } else if (decl->Semantic.Name == TGSI_SEMANTIC_FOG) { + LLVMValueRef args[4]; + + args[0] = uint->zero; + args[1] = attr_number; + args[2] = params; + args[3] = interp_param; + si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 0)] = + build_intrinsic(base->gallivm->builder, intr_name, + input_type, args, args[3] ? 4 : 3, + LLVMReadNoneAttribute | LLVMNoUnwindAttribute); + si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 1)] = + si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 2)] = + lp_build_const_float(gallivm, 0.0f); + si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 3)] = + lp_build_const_float(gallivm, 1.0f); } else { for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { LLVMValueRef args[4]; |