Commit 9da92403 authored by Matteo Bruni's avatar Matteo Bruni Committed by Alexandre Julliard

wined3d: Split pow instruction handling in the ARB backend.

parent db8d681a
......@@ -2733,51 +2733,62 @@ static DWORD abs_modifier(DWORD mod, BOOL *need_abs)
return mod;
}
static void shader_hw_log_pow(const struct wined3d_shader_instruction *ins)
static void shader_hw_log(const struct wined3d_shader_instruction *ins)
{
struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
char src0[50], src1[50], dst[50];
char src0[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 */
/* LOG and LOGP 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);
}
shader_addline(buffer, "%s%s %s, TA;\n", instr, shader_arb_get_modifier(ins), dst);
}
else if(arg2)
else
{
shader_addline(buffer, "%s%s %s, %s;\n", instr, shader_arb_get_modifier(ins), dst, src0);
}
}
static void shader_hw_pow(const struct wined3d_shader_instruction *ins)
{
struct wined3d_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;
/* POW operates 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);
shader_arb_get_src_param(ins, &ins->src[1], 1, src1);
if (need_abs)
{
shader_addline(buffer, "%s%s %s, %s, %s;\n", instr, shader_arb_get_modifier(ins), dst, src0, src1);
shader_addline(buffer, "ABS TA.x, %s;\n", src0);
shader_addline(buffer, "POW%s %s, TA.x, %s;\n", shader_arb_get_modifier(ins), dst, src1);
}
else
{
shader_addline(buffer, "%s%s %s, %s;\n", instr, shader_arb_get_modifier(ins), dst, src0);
shader_addline(buffer, "POW%s %s, %s, %s;\n", shader_arb_get_modifier(ins), dst, src0, src1);
}
}
......@@ -5007,8 +5018,8 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_LABEL */ shader_hw_label,
/* WINED3DSIH_LD */ NULL,
/* WINED3DSIH_LIT */ shader_hw_map2gl,
/* WINED3DSIH_LOG */ shader_hw_log_pow,
/* WINED3DSIH_LOGP */ shader_hw_log_pow,
/* WINED3DSIH_LOG */ shader_hw_log,
/* WINED3DSIH_LOGP */ shader_hw_log,
/* WINED3DSIH_LOOP */ shader_hw_loop,
/* WINED3DSIH_LRP */ shader_hw_lrp,
/* WINED3DSIH_LT */ NULL,
......@@ -5027,7 +5038,7 @@ 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_log_pow,
/* WINED3DSIH_POW */ shader_hw_pow,
/* WINED3DSIH_RCP */ shader_hw_rcp,
/* WINED3DSIH_REP */ shader_hw_rep,
/* WINED3DSIH_RET */ shader_hw_ret,
......
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