=?UTF-8?Q?Stefan=20D=C3=B6singer=20?=: wined3d: Translate LOGP to LG2 in the ARB shader backend.
Alexandre Julliard
julliard at winehq.org
Thu Mar 27 14:40:06 CDT 2014
Module: wine
Branch: master
Commit: 9ccaacf60d7bc81abce72e813a959d55e326ab00
URL: http://source.winehq.org/git/wine.git/?a=commit;h=9ccaacf60d7bc81abce72e813a959d55e326ab00
Author: Stefan Dösinger <stefan at codeweavers.com>
Date: Thu Mar 27 11:46:13 2014 +0100
wined3d: Translate LOGP to LG2 in the ARB shader backend.
---
dlls/wined3d/arb_program_shader.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 5a76332..14e11da 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -2518,12 +2518,12 @@ static void shader_hw_scalar_op(const struct wined3d_shader_instruction *ins)
case WINED3DSIH_EXP: instruction = "EX2"; break;
case WINED3DSIH_EXPP: instruction = "EXP"; break;
case WINED3DSIH_LOG:
- src0_copy.modifiers = abs_modifier(src0_copy.modifiers, &need_abs);
- instruction = "LG2";
- break;
case WINED3DSIH_LOGP:
+ /* The precision requirements suggest that LOGP matches ARBvp's LOG
+ * instruction, but notice that the output of those instructions is
+ * different. */
src0_copy.modifiers = abs_modifier(src0_copy.modifiers, &need_abs);
- instruction = "LOG";
+ instruction = "LG2";
break;
default: instruction = "";
FIXME("Unhandled opcode %#x\n", ins->handler_idx);
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