[Mesa-dev] [PATCH 4/6] i965/fs: Rudimentary support for non-floating point texture results.

[Kenneth Graunke]

Not all texturing operations return floating point data.  For example,
the resinfo message (textureSize or TXS) returns integer data.  In the
future, we'll also add integer texture support.

ir_texture's type field contains this information; use its base type to
appropriately type the destination register.  We want to keep it as a
four component vector, however, since SIMD8 samplers always have a
response length of 4.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_fs_visitor.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 764351a..792799d 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -1075,7 +1075,7 @@ fs_visitor::visit(ir_texture *ir)
    /* Writemasking doesn't eliminate channels on SIMD8 texture
     * samples, so don't worry about them.
     */
-   fs_reg dst = fs_reg(this, glsl_type::vec4_type);
+   fs_reg dst = fs_reg(this, glsl_type::get_instance(ir->type->base_type, 4, 1));
 
    if (intel->gen >= 7) {
       inst = emit_texture_gen7(ir, dst, coordinate, sampler);
-- 
1.7.6