-Implented 2D Mesh support for GLES2

-Implemented 2D Skeleton deform for GLES2
-Implement Multimesh support for GLES2, closes #20524, closes #21839

1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index 5825885124..b61a6ee27b 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -2941,9 +2941,9 @@ void RasterizerStorageGLES2::skeleton_allocate(RID p_skeleton, int p_bones, bool
 		glBindTexture(GL_TEXTURE_2D, skeleton->tex_id);
 
 #ifdef GLES_OVER_GL
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, p_bones * 3, 1, 0, GL_RGBA, GL_FLOAT, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, p_bones * (skeleton->use_2d ? 2 : 3), 1, 0, GL_RGBA, GL_FLOAT, NULL);
 #else
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, p_bones * 3, 1, 0, GL_RGBA, GL_FLOAT, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, p_bones * (skeleton->use_2d ? 2 : 3), 1, 0, GL_RGBA, GL_FLOAT, NULL);
 #endif
 
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -3077,6 +3077,11 @@ Transform2D RasterizerStorageGLES2::skeleton_bone_get_transform_2d(RID p_skeleto
 }
 
 void RasterizerStorageGLES2::skeleton_set_base_transform_2d(RID p_skeleton, const Transform2D &p_base_transform) {
+
+	Skeleton *skeleton = skeleton_owner.getornull(p_skeleton);
+	ERR_FAIL_COND(!skeleton);
+
+	skeleton->base_transform_2d = p_base_transform;
 }
 
 void RasterizerStorageGLES2::_update_skeleton_transform_buffer(const PoolVector<float> &p_data, size_t p_size) {
@@ -3109,7 +3114,7 @@ void RasterizerStorageGLES2::update_dirty_skeletons() {
 		if (skeleton->size) {
 			glBindTexture(GL_TEXTURE_2D, skeleton->tex_id);
 
-			glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, skeleton->size * 3, 1, GL_RGBA, GL_FLOAT, skeleton->bone_data.ptr());
+			glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, skeleton->size * (skeleton->use_2d ? 2 : 3), 1, GL_RGBA, GL_FLOAT, skeleton->bone_data.ptr());
 		}
 
 		for (Set<RasterizerScene::InstanceBase *>::Element *E = skeleton->instances.front(); E; E = E->next()) {
@@ -4637,10 +4642,15 @@ void RasterizerStorageGLES2::initialize() {
 	config.keep_original_textures = false;
 	config.shrink_textures_x2 = false;
 
+#ifdef GLES_OVER_GL
+	config.float_texture_supported = true;
+	config.s3tc_supported = true;
+	config.etc1_supported = false;
+#else
 	config.float_texture_supported = config.extensions.has("GL_ARB_texture_float") || config.extensions.has("GL_OES_texture_float");
 	config.s3tc_supported = config.extensions.has("GL_EXT_texture_compression_s3tc");
 	config.etc1_supported = config.extensions.has("GL_OES_compressed_ETC1_RGB8_texture");
-
+#endif
 #ifdef GLES_OVER_GL
 	config.use_rgba_2d_shadows = false;
 #else