ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

wined3d: Handle LRP in vertex shaders. 

The ARB "LRP" instruction is a fragment program only instruction. It is
however valid in vs_2_0+ vertex shaders, so we have to emulate it.
This commit is contained in:
Stefan Dösinger 2009-05-26 16:34:44 +02:00 committed by Alexandre Julliard
parent 33534916a3
commit 7e1100d0e4
1 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
dlls/wined3d/arb_program_shader.c
View File

@ -1819,6 +1819,28 @@ static void shader_hw_nrm(const struct wined3d_shader_instruction *ins)
}
}
static void shader_hw_lrp(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
char dst_name[50];
char src_name[3][50];
/* ARB_fragment_program has a convenient LRP instruction */
if(shader_is_pshader_version(ins->ctx->reg_maps->shader_version.type)) {
shader_hw_map2gl(ins);
return;
}
shader_arb_get_dst_param(ins, &ins->dst[0], dst_name);
shader_arb_get_src_param(ins, &ins->src[0], 0, src_name[0]);
shader_arb_get_src_param(ins, &ins->src[1], 1, src_name[1]);
shader_arb_get_src_param(ins, &ins->src[2], 2, src_name[2]);
shader_addline(buffer, "SUB TA, %s, %s;\n", src_name[1], src_name[2]);
shader_addline(buffer, "MAD%s %s, %s, TA, %s;\n", shader_arb_get_modifier(ins),
dst_name, src_name[0], src_name[2]);
}
static void shader_hw_sincos(const struct wined3d_shader_instruction *ins)
{
/* This instruction exists in ARB, but the d3d instruction takes two extra parameters which
@ -2820,7 +2842,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_LOG */ shader_hw_map2gl,
/* WINED3DSIH_LOGP */ shader_hw_map2gl,
/* WINED3DSIH_LOOP */ NULL,
/* WINED3DSIH_LRP */ shader_hw_map2gl,
/* WINED3DSIH_LRP */ shader_hw_lrp,
/* WINED3DSIH_M3x2 */ shader_hw_mnxn,
/* WINED3DSIH_M3x3 */ shader_hw_mnxn,
/* WINED3DSIH_M3x4 */ shader_hw_mnxn,