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Add DDS loading of 32bit aligned data without alpha

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This commit is contained in:
k1r4n8
2025-05-18 22:22:22 +02:00
parent 34f005d810
commit 3508257bc5
2 changed files with 41 additions and 0 deletions
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37
modules/dds/texture_loader_dds.cpp
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@@ -359,6 +359,39 @@ static Ref<Image> _dds_load_layer(Ref<FileAccess> p_file, DDSFormat p_dds_format
} break;
case DDS_RGBX8: {
// To RGB8.
int colcount = size / 4;
for (int i = 0; i < colcount; i++) {
int src_ofs = i * 4;
int dst_ofs = i * 3;
wb[dst_ofs + 0] = wb[src_ofs + 0];
wb[dst_ofs + 1] = wb[src_ofs + 1];
wb[dst_ofs + 2] = wb[src_ofs + 2];
}
r_src_data.resize(size * 3 / 4);
} break;
case DDS_BGRX8: {
// To RGB8.
int colcount = size / 4;
for (int i = 0; i < colcount; i++) {
int src_ofs = i * 4;
int dst_ofs = i * 3;
wb[dst_ofs + 0] = wb[src_ofs + 2];
wb[dst_ofs + 1] = wb[src_ofs + 1];
wb[dst_ofs + 2] = wb[src_ofs + 0];
}
r_src_data.resize(size * 3 / 4);
} break;
// Grayscale.
case DDS_LUMINANCE_ALPHA_4: {
// To LA8.
@@ -622,6 +655,10 @@ static Vector<Ref<Image>> _dds_load_images_from_buffer(Ref<FileAccess> p_f, DDSF
r_dds_format = DDS_BGR565;
} else if (format_rgb_bits == 8 && format_red_mask == 0xe0 && format_green_mask == 0x1c && format_blue_mask == 0x3) {
r_dds_format = DDS_B2GR3;
} else if (format_rgb_bits == 32 && format_red_mask == 0xff0000 && format_green_mask == 0xff00 && format_blue_mask == 0xff) {
r_dds_format = DDS_BGRX8;
} else if (format_rgb_bits == 32 && format_red_mask == 0xff && format_green_mask == 0xff00 && format_blue_mask == 0xff0000) {
r_dds_format = DDS_RGBX8;
}
}