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Compatibility: Explicitly use BC1's RGB variant

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This commit is contained in:
BlueCube3310 2025-07-21 11:29:56 +02:00
parent 4a1c1c483b
commit d07a72e067
2 changed files with 3 additions and 2 deletions
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4
drivers/gles3/storage/texture_storage.cpp
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@ -658,8 +658,8 @@ Ref<Image> TextureStorage::_get_gl_image_and_format(const Ref<Image> &p_image, I
switch (p_format) {
case Image::FORMAT_DXT1: {
if (config->s3tc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT;
r_gl_format = GL_RGBA;
r_gl_internal_format = _EXT_COMPRESSED_RGB_S3TC_DXT1_EXT;
r_gl_format = GL_RGB;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {

1
drivers/gles3/storage/texture_storage.h
View file

@ -48,6 +48,7 @@ namespace GLES3 {
#define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#define _EXT_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#define _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3