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nv2a: Fix FFP texgen assertions 

Should compare against channel index instead of texture stage index
This commit is contained in:
Voxel9 2020-06-27 21:21:50 +01:00 committed by mborgerson
parent 3bbea5269e
commit c90335801c
1 changed files with 3 additions and 3 deletions
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6
hw/xbox/nv2a/nv2a_shaders.c
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@ -430,7 +430,7 @@ GLSL_DEFINE(sceneAmbientColor, GLSL_LTCTXA(NV_IGRAPH_XF_LTCTXA_FR_AMB) ".xyz")
assert(false); /* Untested */
break;
case TEXGEN_SPHERE_MAP:
assert(i < 2); /* Channels S,T only! */
assert(j < 2); /* Channels S,T only! */
qstring_append(body, "{\n");
/* FIXME: u, r and m only have to be calculated once */
qstring_append(body, " vec3 u = normalize(tPosition.xyz);\n");
@ -450,7 +450,7 @@ GLSL_DEFINE(sceneAmbientColor, GLSL_LTCTXA(NV_IGRAPH_XF_LTCTXA_FR_AMB) ".xyz")
qstring_append(body, "}\n");
break;
case TEXGEN_REFLECTION_MAP:
assert(i < 3); /* Channels S,T,R only! */
assert(j < 3); /* Channels S,T,R only! */
qstring_append(body, "{\n");
/* FIXME: u and r only have to be calculated once, can share the one from SPHERE_MAP */
qstring_append(body, " vec3 u = normalize(tPosition.xyz);\n");
@ -460,7 +460,7 @@ GLSL_DEFINE(sceneAmbientColor, GLSL_LTCTXA(NV_IGRAPH_XF_LTCTXA_FR_AMB) ".xyz")
qstring_append(body, "}\n");
break;
case TEXGEN_NORMAL_MAP:
assert(i < 3); /* Channels S,T,R only! */
assert(j < 3); /* Channels S,T,R only! */
qstring_append_fmt(body, "oT%d.%c = tNormal.%c;\n",
i, c, c);
break;