Nikolay Sivov : d3dx9/preshader: Set input table size for texture shaders.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a0ed743461b0fd6a7f124770cc96f96104d58e23
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a0ed743461b0fd6a7f124770cc96f96...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Sat Dec  3 10:00:19 2022 +0300

d3dx9/preshader: Set input table size for texture shaders.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>

---

 dlls/d3dx9_36/preshader.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/d3dx9_36/preshader.c b/dlls/d3dx9_36/preshader.c
index 8a7dfd76935..fb0d10cc0c9 100644
--- a/dlls/d3dx9_36/preshader.c
+++ b/dlls/d3dx9_36/preshader.c
@@ -144,6 +144,7 @@ static double pres_div(double *args, int n) {return 0.0;}
 #define FOURCC_CLIT 0x54494c43
 #define FOURCC_FXLC 0x434c5846
 #define FOURCC_PRSI 0x49535250
+#define FOURCC_TX_1 0x54580100
 #define PRES_SIGN 0x46580000
 
 struct op_info
@@ -1110,13 +1111,15 @@ static HRESULT parse_preshader(struct d3dx_preshader *pres, unsigned int *ptr, u
         struct d3dx_parameters_store *parameters)
 {
     unsigned int *p;
-    unsigned int i, j, const_count;
+    unsigned int i, j, const_count, magic;
     double *dconst;
     HRESULT hr;
     unsigned int saved_word;
     unsigned int section_size;
 
-    TRACE("Preshader version %#x.\n", *ptr & 0xffff);
+    magic = *ptr;
+
+    TRACE("Preshader version %#x.\n", *ptr);
 
     if (!count)
     {
@@ -1186,6 +1189,8 @@ static HRESULT parse_preshader(struct d3dx_preshader *pres, unsigned int *ptr, u
         return D3DXERR_INVALIDDATA;
     }
     pres->regs.table_sizes[PRES_REGTAB_IMMED] = get_reg_offset(PRES_REGTAB_IMMED, const_count);
+    if (magic == FOURCC_TX_1)
+        pres->regs.table_sizes[PRES_REGTAB_INPUT] = 2;
 
     update_table_sizes_consts(pres->regs.table_sizes, &pres->inputs);
     for (i = 0; i < pres->ins_count; ++i)