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authorHugo Locurcio <hugo.locurcio@hugo.pro>2021-08-14 18:29:52 +0200
committerHugo Locurcio <hugo.locurcio@hugo.pro>2022-08-01 23:38:06 +0200
commit813f6a5d57be7c5003cc25521556c11215907a55 (patch)
treedb7665adfc229b59538c7730e8b6f5d04b5a04be /drivers/gles3
parent5ecd61a3150f87a433dd5a7ff49a842b72516640 (diff)
Add `hint_transparent` to use a transparent black placeholder texture
This can be used in shaders to avoid the need to supply a transparent placeholder texture manually.
Diffstat (limited to 'drivers/gles3')
-rw-r--r--drivers/gles3/storage/material_storage.cpp3
-rw-r--r--drivers/gles3/storage/texture_storage.cpp11
-rw-r--r--drivers/gles3/storage/texture_storage.h1
3 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index ac2f4f0019..24791b94d0 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1156,6 +1156,9 @@ void MaterialData::update_textures(const HashMap<StringName, Variant> &p_paramet
case ShaderLanguage::ShaderNode::Uniform::HINT_DEFAULT_BLACK: {
gl_texture = texture_storage->texture_gl_get_default(DEFAULT_GL_TEXTURE_BLACK);
} break;
+ case ShaderLanguage::ShaderNode::Uniform::HINT_DEFAULT_TRANSPARENT: {
+ gl_texture = texture_storage->texture_gl_get_default(DEFAULT_GL_TEXTURE_TRANSPARENT);
+ } break;
case ShaderLanguage::ShaderNode::Uniform::HINT_ANISOTROPY: {
gl_texture = texture_storage->texture_gl_get_default(DEFAULT_GL_TEXTURE_ANISO);
} break;
diff --git a/drivers/gles3/storage/texture_storage.cpp b/drivers/gles3/storage/texture_storage.cpp
index c05f516548..543638e8ff 100644
--- a/drivers/gles3/storage/texture_storage.cpp
+++ b/drivers/gles3/storage/texture_storage.cpp
@@ -115,6 +115,17 @@ TextureStorage::TextureStorage() {
texture_2d_layered_initialize(default_gl_textures[DEFAULT_GL_TEXTURE_CUBEMAP_BLACK], images, RS::TEXTURE_LAYERED_CUBEMAP);
}
+ { // transparent black
+ Ref<Image> image;
+ image.instantiate();
+ image->create(4, 4, true, Image::FORMAT_RGBA8);
+ image->fill(Color(0, 0, 0, 0));
+ image->generate_mipmaps();
+
+ default_gl_textures[DEFAULT_GL_TEXTURE_TRANSPARENT] = texture_allocate();
+ texture_2d_initialize(default_gl_textures[DEFAULT_GL_TEXTURE_TRANSPARENT], image);
+ }
+
{
Ref<Image> image;
image.instantiate();
diff --git a/drivers/gles3/storage/texture_storage.h b/drivers/gles3/storage/texture_storage.h
index 77ec1da6f5..71f713bc9f 100644
--- a/drivers/gles3/storage/texture_storage.h
+++ b/drivers/gles3/storage/texture_storage.h
@@ -103,6 +103,7 @@ namespace GLES3 {
enum DefaultGLTexture {
DEFAULT_GL_TEXTURE_WHITE,
DEFAULT_GL_TEXTURE_BLACK,
+ DEFAULT_GL_TEXTURE_TRANSPARENT,
DEFAULT_GL_TEXTURE_NORMAL,
DEFAULT_GL_TEXTURE_ANISO,
DEFAULT_GL_TEXTURE_DEPTH,