mirror of https://github.com/xemu-project/xemu.git
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/*
|
|
* Geforce NV2A PGRAPH GLSL Shader Generator
|
|
*
|
|
* Copyright (c) 2024 Matt Borgerson
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include "common.h"
|
|
|
|
|
|
MString *pgraph_get_glsl_vtx_header(MString *out, bool location, bool smooth, bool in, bool prefix, bool array)
|
|
{
|
|
const char *flat_s = "flat ";
|
|
const char *smooth_s = "";
|
|
const char *qualifier_s = smooth ? smooth_s : flat_s;
|
|
const char *qualifiers[9] = { qualifier_s, qualifier_s, qualifier_s,
|
|
qualifier_s, smooth_s, smooth_s,
|
|
smooth_s, smooth_s, smooth_s };
|
|
|
|
const char *in_out_s = in ? "in" : "out";
|
|
|
|
const char *float_s = "float";
|
|
const char *vec4_s = "vec4";
|
|
const char *types[9] = { vec4_s, vec4_s, vec4_s, vec4_s, float_s,
|
|
vec4_s, vec4_s, vec4_s, vec4_s };
|
|
|
|
const char *prefix_s = prefix ? "v_" : "";
|
|
const char *names[9] = {
|
|
"vtxD0", "vtxD1", "vtxB0", "vtxB1", "vtxFog",
|
|
"vtxT0", "vtxT1", "vtxT2", "vtxT3",
|
|
};
|
|
const char *suffix_s = array ? "[]" : "";
|
|
|
|
for (int i = 0; i < 9; i++) {
|
|
if (location) {
|
|
mstring_append_fmt(out, "layout(location = %d) ", i);
|
|
}
|
|
mstring_append_fmt(out, "%s%s %s %s%s%s;\n",
|
|
qualifiers[i], in_out_s, types[i], prefix_s, names[i], suffix_s);
|
|
}
|
|
|
|
return out;
|
|
}
|