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nv2a: Discard bump env params for tex 0

This commit is contained in:
Matt Borgerson 2021-10-11 22:39:25 -07:00 committed by mborgerson
parent 5deeca4a27
commit 1a49f6066f
1 changed files with 15 additions and 3 deletions
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18
hw/xbox/nv2a/pgraph.c
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@ -2790,7 +2790,11 @@ DEF_METHOD(NV097, SET_TEXTURE_BORDER_COLOR)
DEF_METHOD(NV097, SET_TEXTURE_SET_BUMP_ENV_MAT)
{
int slot = (method - NV097_SET_TEXTURE_SET_BUMP_ENV_MAT) / 4;
assert((slot / 16) > 0);
if (slot < 16) {
/* discard */
return;
}
slot -= 16;
pg->bump_env_matrix[slot / 16][slot % 4] = *(float*)&parameter;
}
@ -2798,7 +2802,11 @@ DEF_METHOD(NV097, SET_TEXTURE_SET_BUMP_ENV_MAT)
DEF_METHOD(NV097, SET_TEXTURE_SET_BUMP_ENV_SCALE)
{
int slot = (method - NV097_SET_TEXTURE_SET_BUMP_ENV_SCALE) / 64;
assert(slot > 0);
if (slot == 0) {
/* discard */
return;
}
slot--;
pg->regs[NV_PGRAPH_BUMPSCALE1 + slot * 4] = parameter;
}
@ -2806,7 +2814,11 @@ DEF_METHOD(NV097, SET_TEXTURE_SET_BUMP_ENV_SCALE)
DEF_METHOD(NV097, SET_TEXTURE_SET_BUMP_ENV_OFFSET)
{
int slot = (method - NV097_SET_TEXTURE_SET_BUMP_ENV_OFFSET) / 64;
assert(slot > 0);
if (slot == 0) {
/* discard */
return;
}
slot--;
pg->regs[NV_PGRAPH_BUMPOFFSET1 + slot * 4] = parameter;
}