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authorAbdiel Janulgue <[email protected]>2014-06-16 12:16:57 -0700
committerAbdiel Janulgue <[email protected]>2014-08-31 21:04:08 +0300
commitcfa8c1cb39846c3211e0d88612122b2f5ec45f23 (patch)
treeb7233001d351c508a99c3042f416a98e625757c4 /src/mesa/program
parent8935c129372c02c56005463bb8b7182e0aeefd65 (diff)
ir_to_mesa, glsl_to_tgsi: lower ir_unop_saturate
Needed when vertex programs doesn't allow saturate Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Signed-off-by: Abdiel Janulgue <[email protected]>
Diffstat (limited to 'src/mesa/program')
-rw-r--r--src/mesa/program/ir_to_mesa.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index e5844c3c437..ff3d0d6717e 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2990,9 +2990,12 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
/* Lowering */
do_mat_op_to_vec(ir);
+ GLenum target = _mesa_shader_stage_to_program(prog->_LinkedShaders[i]->Stage);
lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
| LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP
- | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
+ | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)
+ | ((target == GL_VERTEX_PROGRAM_ARB) ? SAT_TO_CLAMP
+ : 0)));
progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;