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wined3d: POW and LOG operate on the absolute value.

This commit is contained in:
Stefan Dösinger 2009-06-25 22:08:36 +02:00 committed by Alexandre Julliard
parent bd14b6e2b4
commit f69fb5c011
1 changed files with 75 additions and 6 deletions
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81
dlls/wined3d/arb_program_shader.c
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@ -1489,15 +1489,12 @@ static void shader_hw_map2gl(const struct wined3d_shader_instruction *ins)
case WINED3DSIH_EXPP: instruction = "EXP"; break;
case WINED3DSIH_FRC: instruction = "FRC"; break;
case WINED3DSIH_LIT: instruction = "LIT"; break;
case WINED3DSIH_LOG: instruction = "LG2"; break;
case WINED3DSIH_LOGP: instruction = "LOG"; break;
case WINED3DSIH_LRP: instruction = "LRP"; break;
case WINED3DSIH_MAD: instruction = "MAD"; break;
case WINED3DSIH_MAX: instruction = "MAX"; break;
case WINED3DSIH_MIN: instruction = "MIN"; break;
case WINED3DSIH_MOV: instruction = "MOV"; break;
case WINED3DSIH_MUL: instruction = "MUL"; break;
case WINED3DSIH_POW: instruction = "POW"; break;
case WINED3DSIH_SGE: instruction = "SGE"; break;
case WINED3DSIH_SLT: instruction = "SLT"; break;
case WINED3DSIH_SUB: instruction = "SUB"; break;
@ -2411,6 +2408,78 @@ static void shader_hw_dsy(const struct wined3d_shader_instruction *ins)
shader_addline(buffer, "MUL%s %s, %s, ycorrection.y;\n", shader_arb_get_modifier(ins), dst, dst_name);
}
static DWORD abs_modifier(DWORD mod, BOOL *need_abs)
{
*need_abs = FALSE;
switch(mod)
{
case WINED3DSPSM_NONE: return WINED3DSPSM_ABS;
case WINED3DSPSM_NEG: return WINED3DSPSM_ABS;
case WINED3DSPSM_BIAS: *need_abs = TRUE; return WINED3DSPSM_BIAS;
case WINED3DSPSM_BIASNEG: *need_abs = TRUE; return WINED3DSPSM_BIASNEG;
case WINED3DSPSM_SIGN: *need_abs = TRUE; return WINED3DSPSM_SIGN;
case WINED3DSPSM_SIGNNEG: *need_abs = TRUE; return WINED3DSPSM_SIGNNEG;
case WINED3DSPSM_COMP: *need_abs = TRUE; return WINED3DSPSM_COMP;
case WINED3DSPSM_X2: *need_abs = TRUE; return WINED3DSPSM_X2;
case WINED3DSPSM_X2NEG: *need_abs = TRUE; return WINED3DSPSM_X2NEG;
case WINED3DSPSM_DZ: *need_abs = TRUE; return WINED3DSPSM_DZ;
case WINED3DSPSM_DW: *need_abs = TRUE; return WINED3DSPSM_DW;
case WINED3DSPSM_ABS: return WINED3DSPSM_ABS;
case WINED3DSPSM_ABSNEG: return WINED3DSPSM_ABS;
}
FIXME("Unknown modifier %u\n", mod);
return mod;
}
static void shader_hw_log_pow(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
char src0[50], src1[50], dst[50];
struct wined3d_shader_src_param src0_copy = ins->src[0];
BOOL need_abs = FALSE;
const char *instr;
BOOL arg2 = FALSE;
switch(ins->handler_idx)
{
case WINED3DSIH_LOG: instr = "LG2"; break;
case WINED3DSIH_LOGP: instr = "LOG"; break;
case WINED3DSIH_POW: instr = "POW"; arg2 = TRUE; break;
default:
ERR("Unexpected instruction %d\n", ins->handler_idx);
return;
}
/* LOG, LOGP and POW operate on the absolute value of the input */
src0_copy.modifiers = abs_modifier(src0_copy.modifiers, &need_abs);
shader_arb_get_dst_param(ins, &ins->dst[0], dst);
shader_arb_get_src_param(ins, &src0_copy, 0, src0);
if(arg2) shader_arb_get_src_param(ins, &ins->src[1], 1, src1);
if(need_abs)
{
shader_addline(buffer, "ABS TA, %s;\n", src0);
if(arg2)
{
shader_addline(buffer, "%s%s %s, TA, %s;\n", instr, shader_arb_get_modifier(ins), dst, src1);
}
else
{
shader_addline(buffer, "%s%s %s, TA;\n", instr, shader_arb_get_modifier(ins), dst);
}
}
else if(arg2)
{
shader_addline(buffer, "%s%s %s, %s, %s;\n", instr, shader_arb_get_modifier(ins), dst, src0, src1);
}
else
{
shader_addline(buffer, "%s%s %s, %s;\n", instr, shader_arb_get_modifier(ins), dst, src0);
}
}
static void shader_hw_loop(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
@ -4306,8 +4375,8 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_IFC */ shader_hw_ifc,
/* WINED3DSIH_LABEL */ NULL,
/* WINED3DSIH_LIT */ shader_hw_map2gl,
/* WINED3DSIH_LOG */ shader_hw_map2gl,
/* WINED3DSIH_LOGP */ shader_hw_map2gl,
/* WINED3DSIH_LOG */ shader_hw_log_pow,
/* WINED3DSIH_LOGP */ shader_hw_log_pow,
/* WINED3DSIH_LOOP */ shader_hw_loop,
/* WINED3DSIH_LRP */ shader_hw_lrp,
/* WINED3DSIH_M3x2 */ shader_hw_mnxn,
@ -4324,7 +4393,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_NOP */ shader_hw_nop,
/* WINED3DSIH_NRM */ shader_hw_nrm,
/* WINED3DSIH_PHASE */ NULL,
/* WINED3DSIH_POW */ shader_hw_map2gl,
/* WINED3DSIH_POW */ shader_hw_log_pow,
/* WINED3DSIH_RCP */ shader_hw_rsq_rcp,
/* WINED3DSIH_REP */ shader_hw_rep,
/* WINED3DSIH_RET */ NULL,