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Decompress RA_AS_RG formats on Web platform in GLES3 renderer and disable texture swizzling

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While using compressed formats is allowed, the RA_AS_RG formats need texture swizzling which is not available on web
This commit is contained in:
clayjohn 2023-01-17 10:48:04 -08:00
parent 9ebb3e3107
commit eace1276a5
1 changed files with 12 additions and 3 deletions
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15
drivers/gles3/storage/texture_storage.cpp
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@ -567,23 +567,29 @@ Ref<Image> TextureStorage::_get_gl_image_and_format(const Ref<Image> &p_image, I
}
} break;
case Image::FORMAT_ETC2_RA_AS_RG: {
#ifndef WEB_ENABLED
if (config->etc2_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA8_ETC2_EAC;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
} else
#endif
{
need_decompress = true;
}
decompress_ra_to_rg = true;
} break;
case Image::FORMAT_DXT5_RA_AS_RG: {
#ifndef WEB_ENABLED
if (config->s3tc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
} else
#endif
{
need_decompress = true;
}
decompress_ra_to_rg = true;
@ -1137,6 +1143,7 @@ void TextureStorage::texture_set_data(RID p_texture, const Ref<Image> &p_image,
texture->gl_set_filter(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST);
texture->gl_set_repeat(RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
#ifndef WEB_ENABLED
switch (texture->format) {
#ifdef GLES_OVER_GL
case Image::FORMAT_L8: {
@ -1151,7 +1158,8 @@ void TextureStorage::texture_set_data(RID p_texture, const Ref<Image> &p_image,
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_GREEN);
} break;
#endif
#endif // GLES3_OVER_GL
case Image::FORMAT_ETC2_RA_AS_RG:
case Image::FORMAT_DXT5_RA_AS_RG: {
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
@ -1172,6 +1180,7 @@ void TextureStorage::texture_set_data(RID p_texture, const Ref<Image> &p_image,
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
} break;
}
#endif // WEB_ENABLED
int mipmaps = img->has_mipmaps() ? img->get_mipmap_count() + 1 : 1;