From 25e31140952c328f70f804e0134664d7ed6248a6 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Mon, 14 Mar 2011 11:32:24 -0700 Subject: i965: Enable texture lookups whose return type is 'float' This enables the new shadow texture functions in GLSL 1.30. Signed-off-by: Kenneth Graunke Reviewed-by: Chad Versace --- src/mesa/drivers/dri/i965/brw_fs.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index ce7959b19d..24a3d370ce 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1452,7 +1452,10 @@ fs_visitor::visit(ir_texture *ir) if (ir->shadow_comparitor) inst->shadow_compare = true; - if (c->key.tex_swizzles[inst->sampler] != SWIZZLE_NOOP) { + if (ir->type == glsl_type::float_type) { + /* Ignore DEPTH_TEXTURE_MODE swizzling. */ + assert(ir->sampler->type->sampler_shadow); + } else if (c->key.tex_swizzles[inst->sampler] != SWIZZLE_NOOP) { fs_reg swizzle_dst = fs_reg(this, glsl_type::vec4_type); for (int i = 0; i < 4; i++) { -- cgit v1.2.3