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nv2a: Support depth in volumetric palettized textures

This commit is contained in:
Erik Abair 2022-01-28 08:08:41 -08:00 committed by mborgerson
parent caf84884c4
commit 2d34f5108d
1 changed files with 15 additions and 8 deletions
hw/xbox/nv2a
pgraph.c

23
hw/xbox/nv2a/pgraph.c
View File

@ -6533,21 +6533,28 @@ static uint8_t* convert_texture_data(const TextureShape s,
unsigned int slice_pitch)
{
if (s.color_format == NV097_SET_TEXTURE_FORMAT_COLOR_SZ_I8_A8R8G8B8) {
assert(depth == 1); /* FIXME */
uint8_t* converted_data = (uint8_t*)g_malloc(width * height * 4);
int x, y;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
uint8_t index = data[y * row_pitch + x];
uint32_t color = *(uint32_t*)(palette_data + index * 4);
*(uint32_t*)(converted_data + y * width * 4 + x * 4) = color;
uint8_t* converted_data = (uint8_t*)g_malloc(width * height * depth * 4);
int x, y, z;
const uint8_t* src = data;
uint32_t* dst = (uint32_t*)converted_data;
for (z = 0; z < depth; z++) {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
uint8_t index = src[y * row_pitch + x];
uint32_t color = *(uint32_t * )(palette_data + index * 4);
*dst++ = color;
}
}
src += slice_pitch;
}
return converted_data;
} else if (s.color_format
== NV097_SET_TEXTURE_FORMAT_COLOR_LC_IMAGE_CR8YB8CB8YA8 ||
s.color_format
== NV097_SET_TEXTURE_FORMAT_COLOR_LC_IMAGE_YB8CR8YA8CB8) {
// TODO: Investigate whether a non-1 depth is possible.
// Generally the hardware asserts when attempting to use volumetric
// textures in linear formats.
assert(depth == 1); /* FIXME */
// FIXME: only valid if control0 register allows for colorspace conversion
uint8_t* converted_data = (uint8_t*)g_malloc(width * height * 4);