Stefan Dösinger : wined3d: Beware of double negations.
Alexandre Julliard
julliard at winehq.org
Fri Jun 26 09:47:09 CDT 2009
Module: wine
Branch: master
Commit: d4854b636c5c434357844b4f71711d789206953d
URL: http://source.winehq.org/git/wine.git/?a=commit;h=d4854b636c5c434357844b4f71711d789206953d
Author: Stefan Dösinger <stefan at codeweavers.com>
Date: Wed Jun 24 23:38:47 2009 +0200
wined3d: Beware of double negations.
---
dlls/wined3d/arb_program_shader.c | 33 +++++++++++++++++++++++++++++++--
1 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index b30d3cc..e2f4b5e 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -1325,6 +1325,29 @@ static void pshader_hw_bem(const struct wined3d_shader_instruction *ins)
shader_addline(buffer, "ADD %s, %s, TC;\n", dst_name, src_name[0]);
}
+static DWORD negate_modifiers(DWORD mod, char *extra_char)
+{
+ *extra_char = ' ';
+ switch(mod)
+ {
+ case WINED3DSPSM_NONE: return WINED3DSPSM_NEG;
+ case WINED3DSPSM_NEG: return WINED3DSPSM_NONE;
+ case WINED3DSPSM_BIAS: return WINED3DSPSM_BIASNEG;
+ case WINED3DSPSM_BIASNEG: return WINED3DSPSM_BIAS;
+ case WINED3DSPSM_SIGN: return WINED3DSPSM_SIGNNEG;
+ case WINED3DSPSM_SIGNNEG: return WINED3DSPSM_SIGN;
+ case WINED3DSPSM_COMP: *extra_char = '-'; return WINED3DSPSM_COMP;
+ case WINED3DSPSM_X2: return WINED3DSPSM_X2NEG;
+ case WINED3DSPSM_X2NEG: return WINED3DSPSM_X2;
+ case WINED3DSPSM_DZ: *extra_char = '-'; return WINED3DSPSM_DZ;
+ case WINED3DSPSM_DW: *extra_char = '-'; return WINED3DSPSM_DW;
+ case WINED3DSPSM_ABS: return WINED3DSPSM_ABSNEG;
+ case WINED3DSPSM_ABSNEG: return WINED3DSPSM_ABS;
+ }
+ FIXME("Unknown modifier %u\n", mod);
+ return mod;
+}
+
static void pshader_hw_cnd(const struct wined3d_shader_instruction *ins)
{
const struct wined3d_shader_dst_param *dst = &ins->dst[0];
@@ -1343,9 +1366,15 @@ static void pshader_hw_cnd(const struct wined3d_shader_instruction *ins)
{
shader_addline(buffer, "MOV%s %s, %s;\n", shader_arb_get_modifier(ins), dst_name, src_name[1]);
} else {
- shader_arb_get_src_param(ins, &ins->src[0], 0, src_name[0]);
+ struct wined3d_shader_src_param src0_copy = ins->src[0];
+ char extra_neg;
+
+ /* src0 may have a negate srcmod set, so we can't blindly add "-" to the name */
+ src0_copy.modifiers = negate_modifiers(src0_copy.modifiers, &extra_neg);
+
+ shader_arb_get_src_param(ins, &src0_copy, 0, src_name[0]);
shader_arb_get_src_param(ins, &ins->src[2], 2, src_name[2]);
- shader_addline(buffer, "ADD TA, -%s, coefdiv.x;\n", src_name[0]);
+ shader_addline(buffer, "ADD TA, %c%s, coefdiv.x;\n", extra_neg, src_name[0]);
/* No modifiers supported on CMP */
shader_addline(buffer, "CMP %s, TA, %s, %s;\n", dst_name, src_name[1], src_name[2]);
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