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Remove VP-foggen

This commit is contained in:
Jannik Vogel 2015-09-10 17:51:58 +02:00
parent 3f1b18378f
commit f379d5da7b
1 changed files with 3 additions and 16 deletions
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19
hw/xbox/nv2a_shaders.c
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@ -527,15 +527,8 @@ static void generate_fixed_function(const ShaderState state,
/* From: https://www.opengl.org/registry/specs/NV/fog_distance.txt */ /* From: https://www.opengl.org/registry/specs/NV/fog_distance.txt */
switch(state.foggen) { switch(state.foggen) {
case FOGGEN_SPEC_ALPHA: case FOGGEN_SPEC_ALPHA:
assert(false); /* FIXME: Do this before or after calculations in VSH? */ /* FIXME: Do we have to clamp here? */
if (state.fixed_function) { qstring_append(body, " float fogDistance = clamp(specular.a, 0.0, 1.0);\n");
/* FIXME: Do we have to clamp here? */
qstring_append(body, " float fogDistance = clamp(specular.a, 0.0, 1.0);\n");
} else if (state.vertex_program) {
qstring_append(body, " float fogDistance = oD1.a;\n");
} else {
assert(false);
}
break; break;
case FOGGEN_RADIAL: case FOGGEN_RADIAL:
qstring_append(body, " float fogDistance = length(tPosition.xyz)"); qstring_append(body, " float fogDistance = length(tPosition.xyz)");
@ -548,13 +541,7 @@ static void generate_fixed_function(const ShaderState state,
} }
break; break;
case FOGGEN_FOG_X: case FOGGEN_FOG_X:
if (state.fixed_function) { qstring_append(body, " float fogDistance = fogCoord;\n");
qstring_append(body, " float fogDistance = fogCoord;\n");
} else if (state.vertex_program) {
qstring_append(body, " float fogDistance = oFog.x;\n");
} else {
assert(false);
}
break; break;
default: default:
assert(false); assert(false);