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nv2a/glsl: Move append_skinning_code up

This commit is contained in:
Matt Borgerson 2025-06-28 00:08:46 -07:00 committed by mborgerson
parent 0e29758036
commit b7eb957e65
1 changed files with 40 additions and 45 deletions
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85
hw/xbox/nv2a/pgraph/glsl/vsh-ff.c
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@ -23,10 +23,46 @@
#include "common.h"
#include "vsh-ff.h"
static void append_skinning_code(MString* str, bool mix,
unsigned int count, const char* type,
const char* output, const char* input,
const char* matrix, const char* swizzle);
static void append_skinning_code(MString *str, bool mix, unsigned int count,
const char *type, const char *output,
const char *input, const char *matrix,
const char *swizzle)
{
if (count == 0) {
mstring_append_fmt(str, "%s %s = (%s * %s0).%s;\n",
type, output, input, matrix, swizzle);
} else {
mstring_append_fmt(str, "%s %s = %s(0.0);\n", type, output, type);
if (mix) {
/* Generated final weight (like GL_WEIGHT_SUM_UNITY_ARB) */
mstring_append(str, "{\n"
" float weight_i;\n"
" float weight_n = 1.0;\n");
int i;
for (i = 0; i < count; i++) {
if (i < (count - 1)) {
char c = "xyzw"[i];
mstring_append_fmt(str, " weight_i = weight.%c;\n"
" weight_n -= weight_i;\n",
c);
} else {
mstring_append(str, " weight_i = weight_n;\n");
}
mstring_append_fmt(str, " %s += (%s * %s%d).%s * weight_i;\n",
output, input, matrix, i, swizzle);
}
mstring_append(str, "}\n");
} else {
/* Individual weights */
int i;
for (i = 0; i < count; i++) {
char c = "xyzw"[i];
mstring_append_fmt(str, "%s += (%s * %s%d).%s * weight.%c;\n",
output, input, matrix, i, swizzle, c);
}
}
}
}
void pgraph_gen_vsh_ff_glsl(const VshState *state, MString *header,
MString *body)
@ -465,44 +501,3 @@ GLSL_DEFINE(materialEmissionColor, GLSL_LTCTXA(NV_IGRAPH_XF_LTCTXA_CM_COL) ".xyz
state->surface_scale_factor);
}
}
static void append_skinning_code(MString* str, bool mix,
unsigned int count, const char* type,
const char* output, const char* input,
const char* matrix, const char* swizzle)
{
if (count == 0) {
mstring_append_fmt(str, "%s %s = (%s * %s0).%s;\n",
type, output, input, matrix, swizzle);
} else {
mstring_append_fmt(str, "%s %s = %s(0.0);\n", type, output, type);
if (mix) {
/* Generated final weight (like GL_WEIGHT_SUM_UNITY_ARB) */
mstring_append(str, "{\n"
" float weight_i;\n"
" float weight_n = 1.0;\n");
int i;
for (i = 0; i < count; i++) {
if (i < (count - 1)) {
char c = "xyzw"[i];
mstring_append_fmt(str, " weight_i = weight.%c;\n"
" weight_n -= weight_i;\n",
c);
} else {
mstring_append(str, " weight_i = weight_n;\n");
}
mstring_append_fmt(str, " %s += (%s * %s%d).%s * weight_i;\n",
output, input, matrix, i, swizzle);
}
mstring_append(str, "}\n");
} else {
/* Individual weights */
int i;
for (i = 0; i < count; i++) {
char c = "xyzw"[i];
mstring_append_fmt(str, "%s += (%s * %s%d).%s * weight.%c;\n",
output, input, matrix, i, swizzle, c);
}
}
}
}