Rename RenderingServer global shader uniform methods to be more explicit

The `global_shader_uniform` name is longer, but it makes it much
easier to find the methods when searching in the class reference.

26 files changed, 268 insertions, 268 deletions

diff --git a/servers/rendering/dummy/storage/material_storage.h b/servers/rendering/dummy/storage/material_storage.h
index 6721284b23..55c42330cf 100644
--- a/servers/rendering/dummy/storage/material_storage.h
+++ b/servers/rendering/dummy/storage/material_storage.h
@@ -38,23 +38,23 @@ namespace RendererDummy {
 
 class MaterialStorage : public RendererMaterialStorage {
 public:
-	/* GLOBAL VARIABLE API */
+	/* GLOBAL SHADER UNIFORM API */
 
-	virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) override {}
-	virtual void global_variable_remove(const StringName &p_name) override {}
-	virtual Vector<StringName> global_variable_get_list() const override { return Vector<StringName>(); }
+	virtual void global_shader_uniform_add(const StringName &p_name, RS::GlobalShaderUniformType p_type, const Variant &p_value) override {}
+	virtual void global_shader_uniform_remove(const StringName &p_name) override {}
+	virtual Vector<StringName> global_shader_uniform_get_list() const override { return Vector<StringName>(); }
 
-	virtual void global_variable_set(const StringName &p_name, const Variant &p_value) override {}
-	virtual void global_variable_set_override(const StringName &p_name, const Variant &p_value) override {}
-	virtual Variant global_variable_get(const StringName &p_name) const override { return Variant(); }
-	virtual RS::GlobalVariableType global_variable_get_type(const StringName &p_name) const override { return RS::GLOBAL_VAR_TYPE_MAX; }
+	virtual void global_shader_uniform_set(const StringName &p_name, const Variant &p_value) override {}
+	virtual void global_shader_uniform_set_override(const StringName &p_name, const Variant &p_value) override {}
+	virtual Variant global_shader_uniform_get(const StringName &p_name) const override { return Variant(); }
+	virtual RS::GlobalShaderUniformType global_shader_uniform_get_type(const StringName &p_name) const override { return RS::GLOBAL_VAR_TYPE_MAX; }
 
-	virtual void global_variables_load_settings(bool p_load_textures = true) override {}
-	virtual void global_variables_clear() override {}
+	virtual void global_shader_uniforms_load_settings(bool p_load_textures = true) override {}
+	virtual void global_shader_uniforms_clear() override {}
 
-	virtual int32_t global_variables_instance_allocate(RID p_instance) override { return 0; }
-	virtual void global_variables_instance_free(RID p_instance) override {}
-	virtual void global_variables_instance_update(RID p_instance, int p_index, const Variant &p_value) override {}
+	virtual int32_t global_shader_uniforms_instance_allocate(RID p_instance) override { return 0; }
+	virtual void global_shader_uniforms_instance_free(RID p_instance) override {}
+	virtual void global_shader_uniforms_instance_update(RID p_instance, int p_index, const Variant &p_value) override {}
 
 	/* SHADER API */
 
diff --git a/servers/rendering/renderer_rd/environment/fog.cpp b/servers/rendering/renderer_rd/environment/fog.cpp
index 987c1dbb52..1aabd91ff5 100644
--- a/servers/rendering/renderer_rd/environment/fog.cpp
+++ b/servers/rendering/renderer_rd/environment/fog.cpp
@@ -276,7 +276,7 @@ ALBEDO = vec3(1.0);
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 2;
-			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_variables_get_storage_buffer());
+			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
 			uniforms.push_back(u);
 		}
 
diff --git a/servers/rendering/renderer_rd/environment/sky.cpp b/servers/rendering/renderer_rd/environment/sky.cpp
index 2b140696b4..20e1146eed 100644
--- a/servers/rendering/renderer_rd/environment/sky.cpp
+++ b/servers/rendering/renderer_rd/environment/sky.cpp
@@ -912,7 +912,7 @@ void SkyRD::init() {
 
 		actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP;
 		actions.default_repeat = ShaderLanguage::REPEAT_ENABLE;
-		actions.global_buffer_array_variable = "global_variables.data";
+		actions.global_buffer_array_variable = "global_shader_uniforms.data";
 
 		sky_shader.compiler.initialize(actions);
 	}
@@ -970,7 +970,7 @@ void sky() {
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 1;
-			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_variables_get_storage_buffer());
+			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
 			uniforms.push_back(u);
 		}
 
diff --git a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
index 872a27fda1..a03c405b3d 100644
--- a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
+++ b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
@@ -2383,7 +2383,7 @@ void RenderForwardClustered::_update_render_base_uniform_set() {
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 14;
-			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_variables_get_storage_buffer());
+			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
 			uniforms.push_back(u);
 		}
 
diff --git a/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp b/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
index 6f4a7f6a84..c84a4469ae 100644
--- a/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
+++ b/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
@@ -788,7 +788,7 @@ void SceneShaderForwardClustered::init(const String p_defines) {
 
 		actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP;
 		actions.default_repeat = ShaderLanguage::REPEAT_ENABLE;
-		actions.global_buffer_array_variable = "global_variables.data";
+		actions.global_buffer_array_variable = "global_shader_uniforms.data";
 		actions.instance_uniform_index_variable = "instances.data[instance_index_interp].instance_uniforms_ofs";
 
 		compiler.initialize(actions);
diff --git a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
index 67c7d12517..f6a1ac1ddc 100644
--- a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
@@ -1332,7 +1332,7 @@ void RenderForwardMobile::_update_render_base_uniform_set() {
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 14;
-			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_variables_get_storage_buffer());
+			u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
 			uniforms.push_back(u);
 		}
 
diff --git a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
index ba8ee62b3f..c6eac298e7 100644
--- a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
@@ -685,7 +685,7 @@ void SceneShaderForwardMobile::init(const String p_defines) {
 
 		actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP;
 		actions.default_repeat = ShaderLanguage::REPEAT_ENABLE;
-		actions.global_buffer_array_variable = "global_variables.data";
+		actions.global_buffer_array_variable = "global_shader_uniforms.data";
 		actions.instance_uniform_index_variable = "draw_call.instance_uniforms_ofs";
 
 		actions.apply_luminance_multiplier = true; // apply luminance multiplier to screen texture
diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
index b499c17e08..0b59ca6931 100644
--- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
@@ -1031,7 +1031,7 @@ RID RendererCanvasRenderRD::_create_base_uniform_set(RID p_to_render_target, boo
 		RD::Uniform u;
 		u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 		u.binding = 9;
-		u.append_id(RendererRD::MaterialStorage::get_singleton()->global_variables_get_storage_buffer());
+		u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
 		uniforms.push_back(u);
 	}
 
@@ -2469,7 +2469,7 @@ RendererCanvasRenderRD::RendererCanvasRenderRD() {
 		actions.default_repeat = ShaderLanguage::REPEAT_DISABLE;
 		actions.base_varying_index = 4;
 
-		actions.global_buffer_array_variable = "global_variables.data";
+		actions.global_buffer_array_variable = "global_shader_uniforms.data";
 
 		shader.compiler.initialize(actions);
 	}
diff --git a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
index 12f57b0178..2ea6965c09 100644
--- a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
+++ b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
@@ -138,10 +138,10 @@ layout(set = 0, binding = 7) uniform texture2D sdf_texture;
 
 layout(set = 0, binding = 8) uniform sampler material_samplers[12];
 
-layout(set = 0, binding = 9, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 9, std430) restrict readonly buffer GlobalShaderUniformData {
 	vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 /* SET1: Is reserved for the material */
 
diff --git a/servers/rendering/renderer_rd/shaders/environment/sky.glsl b/servers/rendering/renderer_rd/shaders/environment/sky.glsl
index 5b4594da99..e825020a4e 100644
--- a/servers/rendering/renderer_rd/shaders/environment/sky.glsl
+++ b/servers/rendering/renderer_rd/shaders/environment/sky.glsl
@@ -77,10 +77,10 @@ params;
 
 layout(set = 0, binding = 0) uniform sampler material_samplers[12];
 
-layout(set = 0, binding = 1, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 1, std430) restrict readonly buffer GlobalShaderUniformData {
 	vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 layout(set = 0, binding = 2, std140) uniform SceneData {
 	bool volumetric_fog_enabled;
diff --git a/servers/rendering/renderer_rd/shaders/environment/volumetric_fog.glsl b/servers/rendering/renderer_rd/shaders/environment/volumetric_fog.glsl
index fb3c725b1f..4658afd02d 100644
--- a/servers/rendering/renderer_rd/shaders/environment/volumetric_fog.glsl
+++ b/servers/rendering/renderer_rd/shaders/environment/volumetric_fog.glsl
@@ -28,10 +28,10 @@ layout(local_size_x = 4, local_size_y = 4, local_size_z = 4) in;
 
 layout(set = 0, binding = 1) uniform sampler material_samplers[12];
 
-layout(set = 0, binding = 2, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 2, std430) restrict readonly buffer GlobalShaderUniformData {
 	vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 layout(push_constant, std430) uniform Params {
 	vec3 position;
diff --git a/servers/rendering/renderer_rd/shaders/particles.glsl b/servers/rendering/renderer_rd/shaders/particles.glsl
index acb62b812e..4369bddc83 100644
--- a/servers/rendering/renderer_rd/shaders/particles.glsl
+++ b/servers/rendering/renderer_rd/shaders/particles.glsl
@@ -25,10 +25,10 @@ layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;
 
 layout(set = 0, binding = 1) uniform sampler material_samplers[12];
 
-layout(set = 0, binding = 2, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 2, std430) restrict readonly buffer GlobalShaderUniformData {
 	vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 /* Set 1: FRAME AND PARTICLE DATA */
 
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl
index 0c23de96c3..f0717294ef 100644
--- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl
+++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl
@@ -129,10 +129,10 @@ layout(set = 0, binding = 13, std430) restrict readonly buffer Decals {
 }
 decals;
 
-layout(set = 0, binding = 14, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 14, std430) restrict readonly buffer GlobalShaderUniformData {
 	vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 struct SDFVoxelGICascadeData {
 	vec3 position;
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl
index 7413d8730a..98ad674ce0 100644
--- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl
+++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl
@@ -118,10 +118,10 @@ layout(set = 0, binding = 13, std430) restrict readonly buffer Decals {
 }
 decals;
 
-layout(set = 0, binding = 14, std430) restrict readonly buffer GlobalVariableData {
+layout(set = 0, binding = 14, std430) restrict readonly buffer GlobalShaderUniformData {
 	highp vec4 data[];
 }
-global_variables;
+global_shader_uniforms;
 
 /* Set 1: Render Pass (changes per render pass) */
 
diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.cpp b/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
index 23d05de942..0bac26213b 100644
--- a/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
@@ -967,7 +967,7 @@ void MaterialData::update_uniform_buffer(const HashMap<StringName, ShaderLanguag
 
 		if (E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL) {
 			//this is a global variable, get the index to it
-			GlobalVariables::Variable *gv = material_storage->global_variables.variables.getptr(E.key);
+			GlobalShaderUniforms::Variable *gv = material_storage->global_shader_uniforms.variables.getptr(E.key);
 			uint32_t index = 0;
 			if (gv) {
 				index = gv->buffer_index;
@@ -1023,9 +1023,9 @@ void MaterialData::update_uniform_buffer(const HashMap<StringName, ShaderLanguag
 
 	if (uses_global_buffer != (global_buffer_E != nullptr)) {
 		if (uses_global_buffer) {
-			global_buffer_E = material_storage->global_variables.materials_using_buffer.push_back(self);
+			global_buffer_E = material_storage->global_shader_uniforms.materials_using_buffer.push_back(self);
 		} else {
-			material_storage->global_variables.materials_using_buffer.erase(global_buffer_E);
+			material_storage->global_shader_uniforms.materials_using_buffer.erase(global_buffer_E);
 			global_buffer_E = nullptr;
 		}
 	}
@@ -1036,20 +1036,20 @@ MaterialData::~MaterialData() {
 
 	if (global_buffer_E) {
 		//unregister global buffers
-		material_storage->global_variables.materials_using_buffer.erase(global_buffer_E);
+		material_storage->global_shader_uniforms.materials_using_buffer.erase(global_buffer_E);
 	}
 
 	if (global_texture_E) {
 		//unregister global textures
 
 		for (const KeyValue<StringName, uint64_t> &E : used_global_textures) {
-			GlobalVariables::Variable *v = material_storage->global_variables.variables.getptr(E.key);
+			GlobalShaderUniforms::Variable *v = material_storage->global_shader_uniforms.variables.getptr(E.key);
 			if (v) {
 				v->texture_materials.erase(self);
 			}
 		}
 		//unregister material from those using global textures
-		material_storage->global_variables.materials_using_texture.erase(global_texture_E);
+		material_storage->global_shader_uniforms.materials_using_texture.erase(global_texture_E);
 	}
 
 	if (uniform_buffer.is_valid()) {
@@ -1079,7 +1079,7 @@ void MaterialData::update_textures(const HashMap<StringName, Variant> &p_paramet
 		if (p_texture_uniforms[i].global) {
 			uses_global_textures = true;
 
-			GlobalVariables::Variable *v = material_storage->global_variables.variables.getptr(uniform_name);
+			GlobalShaderUniforms::Variable *v = material_storage->global_shader_uniforms.variables.getptr(uniform_name);
 			if (v) {
 				if (v->buffer_index >= 0) {
 					WARN_PRINT("Shader uses global uniform texture '" + String(uniform_name) + "', but it changed type and is no longer a texture!.");
@@ -1249,7 +1249,7 @@ void MaterialData::update_textures(const HashMap<StringName, Variant> &p_paramet
 			if (E.value != global_textures_pass) {
 				to_delete.push_back(E.key);
 
-				GlobalVariables::Variable *v = material_storage->global_variables.variables.getptr(E.key);
+				GlobalShaderUniforms::Variable *v = material_storage->global_shader_uniforms.variables.getptr(E.key);
 				if (v) {
 					v->texture_materials.erase(self);
 				}
@@ -1263,9 +1263,9 @@ void MaterialData::update_textures(const HashMap<StringName, Variant> &p_paramet
 		//handle registering/unregistering global textures
 		if (uses_global_textures != (global_texture_E != nullptr)) {
 			if (uses_global_textures) {
-				global_texture_E = material_storage->global_variables.materials_using_texture.push_back(self);
+				global_texture_E = material_storage->global_shader_uniforms.materials_using_texture.push_back(self);
 			} else {
-				material_storage->global_variables.materials_using_texture.erase(global_texture_E);
+				material_storage->global_shader_uniforms.materials_using_texture.erase(global_texture_E);
 				global_texture_E = nullptr;
 			}
 		}
@@ -1497,22 +1497,22 @@ MaterialStorage::MaterialStorage() {
 		shader_data_request_func[i] = nullptr;
 	}
 
-	static_assert(sizeof(GlobalVariables::Value) == 16);
+	static_assert(sizeof(GlobalShaderUniforms::Value) == 16);
 
-	global_variables.buffer_size = MAX(4096, (int)GLOBAL_GET("rendering/limits/global_shader_variables/buffer_size"));
-	global_variables.buffer_values = memnew_arr(GlobalVariables::Value, global_variables.buffer_size);
-	memset(global_variables.buffer_values, 0, sizeof(GlobalVariables::Value) * global_variables.buffer_size);
-	global_variables.buffer_usage = memnew_arr(GlobalVariables::ValueUsage, global_variables.buffer_size);
-	global_variables.buffer_dirty_regions = memnew_arr(bool, global_variables.buffer_size / GlobalVariables::BUFFER_DIRTY_REGION_SIZE);
-	memset(global_variables.buffer_dirty_regions, 0, sizeof(bool) * global_variables.buffer_size / GlobalVariables::BUFFER_DIRTY_REGION_SIZE);
-	global_variables.buffer = RD::get_singleton()->storage_buffer_create(sizeof(GlobalVariables::Value) * global_variables.buffer_size);
+	global_shader_uniforms.buffer_size = MAX(4096, (int)GLOBAL_GET("rendering/limits/global_shader_variables/buffer_size"));
+	global_shader_uniforms.buffer_values = memnew_arr(GlobalShaderUniforms::Value, global_shader_uniforms.buffer_size);
+	memset(global_shader_uniforms.buffer_values, 0, sizeof(GlobalShaderUniforms::Value) * global_shader_uniforms.buffer_size);
+	global_shader_uniforms.buffer_usage = memnew_arr(GlobalShaderUniforms::ValueUsage, global_shader_uniforms.buffer_size);
+	global_shader_uniforms.buffer_dirty_regions = memnew_arr(bool, global_shader_uniforms.buffer_size / GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE);
+	memset(global_shader_uniforms.buffer_dirty_regions, 0, sizeof(bool) * global_shader_uniforms.buffer_size / GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE);
+	global_shader_uniforms.buffer = RD::get_singleton()->storage_buffer_create(sizeof(GlobalShaderUniforms::Value) * global_shader_uniforms.buffer_size);
 }
 
 MaterialStorage::~MaterialStorage() {
-	memdelete_arr(global_variables.buffer_values);
-	memdelete_arr(global_variables.buffer_usage);
-	memdelete_arr(global_variables.buffer_dirty_regions);
-	RD::get_singleton()->free(global_variables.buffer);
+	memdelete_arr(global_shader_uniforms.buffer_values);
+	memdelete_arr(global_shader_uniforms.buffer_usage);
+	memdelete_arr(global_shader_uniforms.buffer_dirty_regions);
+	RD::get_singleton()->free(global_shader_uniforms.buffer);
 
 	// buffers
 
@@ -1633,17 +1633,17 @@ void MaterialStorage::sampler_rd_configure_custom(float p_mipmap_bias) {
 	}
 }
 
-/* GLOBAL VARIABLE API */
+/* GLOBAL SHADER UNIFORM API */
 
-int32_t MaterialStorage::_global_variable_allocate(uint32_t p_elements) {
+int32_t MaterialStorage::_global_shader_uniform_allocate(uint32_t p_elements) {
 	int32_t idx = 0;
-	while (idx + p_elements <= global_variables.buffer_size) {
-		if (global_variables.buffer_usage[idx].elements == 0) {
+	while (idx + p_elements <= global_shader_uniforms.buffer_size) {
+		if (global_shader_uniforms.buffer_usage[idx].elements == 0) {
 			bool valid = true;
 			for (uint32_t i = 1; i < p_elements; i++) {
-				if (global_variables.buffer_usage[idx + i].elements > 0) {
+				if (global_shader_uniforms.buffer_usage[idx + i].elements > 0) {
 					valid = false;
-					idx += i + global_variables.buffer_usage[idx + i].elements;
+					idx += i + global_shader_uniforms.buffer_usage[idx + i].elements;
 					break;
 				}
 			}
@@ -1654,17 +1654,17 @@ int32_t MaterialStorage::_global_variable_allocate(uint32_t p_elements) {
 
 			return idx;
 		} else {
-			idx += global_variables.buffer_usage[idx].elements;
+			idx += global_shader_uniforms.buffer_usage[idx].elements;
 		}
 	}
 
 	return -1;
 }
 
-void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::GlobalVariableType p_type, const Variant &p_value) {
+void MaterialStorage::_global_shader_uniform_store_in_buffer(int32_t p_index, RS::GlobalShaderUniformType p_type, const Variant &p_value) {
 	switch (p_type) {
 		case RS::GLOBAL_VAR_TYPE_BOOL: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			bool b = p_value;
 			bv.x = b ? 1.0 : 0.0;
 			bv.y = 0.0;
@@ -1673,7 +1673,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_BVEC2: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			uint32_t bvec = p_value;
 			bv.x = (bvec & 1) ? 1.0 : 0.0;
 			bv.y = (bvec & 2) ? 1.0 : 0.0;
@@ -1681,7 +1681,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0.0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_BVEC3: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			uint32_t bvec = p_value;
 			bv.x = (bvec & 1) ? 1.0 : 0.0;
 			bv.y = (bvec & 2) ? 1.0 : 0.0;
@@ -1689,7 +1689,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0.0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_BVEC4: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			uint32_t bvec = p_value;
 			bv.x = (bvec & 1) ? 1.0 : 0.0;
 			bv.y = (bvec & 2) ? 1.0 : 0.0;
@@ -1697,7 +1697,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = (bvec & 8) ? 1.0 : 0.0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_INT: {
-			GlobalVariables::ValueInt &bv = *(GlobalVariables::ValueInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueInt &bv = *(GlobalShaderUniforms::ValueInt *)&global_shader_uniforms.buffer_values[p_index];
 			int32_t v = p_value;
 			bv.x = v;
 			bv.y = 0;
@@ -1705,7 +1705,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_IVEC2: {
-			GlobalVariables::ValueInt &bv = *(GlobalVariables::ValueInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueInt &bv = *(GlobalShaderUniforms::ValueInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector2i v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1713,7 +1713,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_IVEC3: {
-			GlobalVariables::ValueInt &bv = *(GlobalVariables::ValueInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueInt &bv = *(GlobalShaderUniforms::ValueInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector3i v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1721,7 +1721,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_IVEC4: {
-			GlobalVariables::ValueInt &bv = *(GlobalVariables::ValueInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueInt &bv = *(GlobalShaderUniforms::ValueInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector<int32_t> v = p_value;
 			bv.x = v.size() >= 1 ? v[0] : 0;
 			bv.y = v.size() >= 2 ? v[1] : 0;
@@ -1729,7 +1729,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = v.size() >= 4 ? v[3] : 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_RECT2I: {
-			GlobalVariables::ValueInt &bv = *(GlobalVariables::ValueInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueInt &bv = *(GlobalShaderUniforms::ValueInt *)&global_shader_uniforms.buffer_values[p_index];
 			Rect2i v = p_value;
 			bv.x = v.position.x;
 			bv.y = v.position.y;
@@ -1737,7 +1737,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = v.size.y;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_UINT: {
-			GlobalVariables::ValueUInt &bv = *(GlobalVariables::ValueUInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueUInt &bv = *(GlobalShaderUniforms::ValueUInt *)&global_shader_uniforms.buffer_values[p_index];
 			uint32_t v = p_value;
 			bv.x = v;
 			bv.y = 0;
@@ -1745,7 +1745,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_UVEC2: {
-			GlobalVariables::ValueUInt &bv = *(GlobalVariables::ValueUInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueUInt &bv = *(GlobalShaderUniforms::ValueUInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector2i v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1753,7 +1753,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_UVEC3: {
-			GlobalVariables::ValueUInt &bv = *(GlobalVariables::ValueUInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueUInt &bv = *(GlobalShaderUniforms::ValueUInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector3i v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1761,7 +1761,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_UVEC4: {
-			GlobalVariables::ValueUInt &bv = *(GlobalVariables::ValueUInt *)&global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::ValueUInt &bv = *(GlobalShaderUniforms::ValueUInt *)&global_shader_uniforms.buffer_values[p_index];
 			Vector<int32_t> v = p_value;
 			bv.x = v.size() >= 1 ? v[0] : 0;
 			bv.y = v.size() >= 2 ? v[1] : 0;
@@ -1769,7 +1769,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = v.size() >= 4 ? v[3] : 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_FLOAT: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			float v = p_value;
 			bv.x = v;
 			bv.y = 0;
@@ -1777,7 +1777,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_VEC2: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			Vector2 v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1785,7 +1785,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_VEC3: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			Vector3 v = p_value;
 			bv.x = v.x;
 			bv.y = v.y;
@@ -1793,7 +1793,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = 0;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_VEC4: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			Plane v = p_value;
 			bv.x = v.normal.x;
 			bv.y = v.normal.y;
@@ -1801,14 +1801,14 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = v.d;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_COLOR: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			Color v = p_value;
 			bv.x = v.r;
 			bv.y = v.g;
 			bv.z = v.b;
 			bv.w = v.a;
 
-			GlobalVariables::Value &bv_linear = global_variables.buffer_values[p_index + 1];
+			GlobalShaderUniforms::Value &bv_linear = global_shader_uniforms.buffer_values[p_index + 1];
 			v = v.srgb_to_linear();
 			bv_linear.x = v.r;
 			bv_linear.y = v.g;
@@ -1817,7 +1817,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_RECT2: {
-			GlobalVariables::Value &bv = global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value &bv = global_shader_uniforms.buffer_values[p_index];
 			Rect2 v = p_value;
 			bv.x = v.position.x;
 			bv.y = v.position.y;
@@ -1825,7 +1825,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 			bv.w = v.size.y;
 		} break;
 		case RS::GLOBAL_VAR_TYPE_MAT2: {
-			GlobalVariables::Value *bv = &global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value *bv = &global_shader_uniforms.buffer_values[p_index];
 			Vector<float> m2 = p_value;
 			if (m2.size() < 4) {
 				m2.resize(4);
@@ -1842,7 +1842,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_MAT3: {
-			GlobalVariables::Value *bv = &global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value *bv = &global_shader_uniforms.buffer_values[p_index];
 			Basis v = p_value;
 			bv[0].x = v.rows[0][0];
 			bv[0].y = v.rows[1][0];
@@ -1861,7 +1861,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_MAT4: {
-			GlobalVariables::Value *bv = &global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value *bv = &global_shader_uniforms.buffer_values[p_index];
 
 			Vector<float> m2 = p_value;
 			if (m2.size() < 16) {
@@ -1890,7 +1890,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_TRANSFORM_2D: {
-			GlobalVariables::Value *bv = &global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value *bv = &global_shader_uniforms.buffer_values[p_index];
 			Transform2D v = p_value;
 			bv[0].x = v.columns[0][0];
 			bv[0].y = v.columns[0][1];
@@ -1909,7 +1909,7 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 
 		} break;
 		case RS::GLOBAL_VAR_TYPE_TRANSFORM: {
-			GlobalVariables::Value *bv = &global_variables.buffer_values[p_index];
+			GlobalShaderUniforms::Value *bv = &global_shader_uniforms.buffer_values[p_index];
 			Transform3D v = p_value;
 			bv[0].x = v.basis.rows[0][0];
 			bv[0].y = v.basis.rows[1][0];
@@ -1938,15 +1938,15 @@ void MaterialStorage::_global_variable_store_in_buffer(int32_t p_index, RS::Glob
 	}
 }
 
-void MaterialStorage::_global_variable_mark_buffer_dirty(int32_t p_index, int32_t p_elements) {
+void MaterialStorage::_global_shader_uniform_mark_buffer_dirty(int32_t p_index, int32_t p_elements) {
 	int32_t prev_chunk = -1;
 
 	for (int32_t i = 0; i < p_elements; i++) {
-		int32_t chunk = (p_index + i) / GlobalVariables::BUFFER_DIRTY_REGION_SIZE;
+		int32_t chunk = (p_index + i) / GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE;
 		if (chunk != prev_chunk) {
-			if (!global_variables.buffer_dirty_regions[chunk]) {
-				global_variables.buffer_dirty_regions[chunk] = true;
-				global_variables.buffer_dirty_region_count++;
+			if (!global_shader_uniforms.buffer_dirty_regions[chunk]) {
+				global_shader_uniforms.buffer_dirty_regions[chunk] = true;
+				global_shader_uniforms.buffer_dirty_region_count++;
 			}
 		}
 
@@ -1954,16 +1954,16 @@ void MaterialStorage::_global_variable_mark_buffer_dirty(int32_t p_index, int32_
 	}
 }
 
-void MaterialStorage::global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) {
-	ERR_FAIL_COND(global_variables.variables.has(p_name));
-	GlobalVariables::Variable gv;
+void MaterialStorage::global_shader_uniform_add(const StringName &p_name, RS::GlobalShaderUniformType p_type, const Variant &p_value) {
+	ERR_FAIL_COND(global_shader_uniforms.variables.has(p_name));
+	GlobalShaderUniforms::Variable gv;
 	gv.type = p_type;
 	gv.value = p_value;
 	gv.buffer_index = -1;
 
 	if (p_type >= RS::GLOBAL_VAR_TYPE_SAMPLER2D) {
 		//is texture
-		global_variables.must_update_texture_materials = true; //normally there are none
+		global_shader_uniforms.must_update_texture_materials = true; //normally there are none
 	} else {
 		gv.buffer_elements = 1;
 		if (p_type == RS::GLOBAL_VAR_TYPE_COLOR || p_type == RS::GLOBAL_VAR_TYPE_MAT2) {
@@ -1980,56 +1980,56 @@ void MaterialStorage::global_variable_add(const StringName &p_name, RS::GlobalVa
 		}
 
 		//is vector, allocate in buffer and update index
-		gv.buffer_index = _global_variable_allocate(gv.buffer_elements);
+		gv.buffer_index = _global_shader_uniform_allocate(gv.buffer_elements);
 		ERR_FAIL_COND_MSG(gv.buffer_index < 0, vformat("Failed allocating global variable '%s' out of buffer memory. Consider increasing it in the Project Settings.", String(p_name)));
-		global_variables.buffer_usage[gv.buffer_index].elements = gv.buffer_elements;
-		_global_variable_store_in_buffer(gv.buffer_index, gv.type, gv.value);
-		_global_variable_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
+		global_shader_uniforms.buffer_usage[gv.buffer_index].elements = gv.buffer_elements;
+		_global_shader_uniform_store_in_buffer(gv.buffer_index, gv.type, gv.value);
+		_global_shader_uniform_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
 
-		global_variables.must_update_buffer_materials = true; //normally there are none
+		global_shader_uniforms.must_update_buffer_materials = true; //normally there are none
 	}
 
-	global_variables.variables[p_name] = gv;
+	global_shader_uniforms.variables[p_name] = gv;
 }
 
-void MaterialStorage::global_variable_remove(const StringName &p_name) {
-	if (!global_variables.variables.has(p_name)) {
+void MaterialStorage::global_shader_uniform_remove(const StringName &p_name) {
+	if (!global_shader_uniforms.variables.has(p_name)) {
 		return;
 	}
-	const GlobalVariables::Variable &gv = global_variables.variables[p_name];
+	const GlobalShaderUniforms::Variable &gv = global_shader_uniforms.variables[p_name];
 
 	if (gv.buffer_index >= 0) {
-		global_variables.buffer_usage[gv.buffer_index].elements = 0;
-		global_variables.must_update_buffer_materials = true;
+		global_shader_uniforms.buffer_usage[gv.buffer_index].elements = 0;
+		global_shader_uniforms.must_update_buffer_materials = true;
 	} else {
-		global_variables.must_update_texture_materials = true;
+		global_shader_uniforms.must_update_texture_materials = true;
 	}
 
-	global_variables.variables.erase(p_name);
+	global_shader_uniforms.variables.erase(p_name);
 }
 
-Vector<StringName> MaterialStorage::global_variable_get_list() const {
+Vector<StringName> MaterialStorage::global_shader_uniform_get_list() const {
 	if (!Engine::get_singleton()->is_editor_hint()) {
 		ERR_FAIL_V_MSG(Vector<StringName>(), "This function should never be used outside the editor, it can severely damage performance.");
 	}
 
 	Vector<StringName> names;
-	for (const KeyValue<StringName, GlobalVariables::Variable> &E : global_variables.variables) {
+	for (const KeyValue<StringName, GlobalShaderUniforms::Variable> &E : global_shader_uniforms.variables) {
 		names.push_back(E.key);
 	}
 	names.sort_custom<StringName::AlphCompare>();
 	return names;
 }
 
-void MaterialStorage::global_variable_set(const StringName &p_name, const Variant &p_value) {
-	ERR_FAIL_COND(!global_variables.variables.has(p_name));
-	GlobalVariables::Variable &gv = global_variables.variables[p_name];
+void MaterialStorage::global_shader_uniform_set(const StringName &p_name, const Variant &p_value) {
+	ERR_FAIL_COND(!global_shader_uniforms.variables.has(p_name));
+	GlobalShaderUniforms::Variable &gv = global_shader_uniforms.variables[p_name];
 	gv.value = p_value;
 	if (gv.override.get_type() == Variant::NIL) {
 		if (gv.buffer_index >= 0) {
 			//buffer
-			_global_variable_store_in_buffer(gv.buffer_index, gv.type, gv.value);
-			_global_variable_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
+			_global_shader_uniform_store_in_buffer(gv.buffer_index, gv.type, gv.value);
+			_global_shader_uniform_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
 		} else {
 			//texture
 			MaterialStorage *material_storage = MaterialStorage::get_singleton();
@@ -2042,26 +2042,26 @@ void MaterialStorage::global_variable_set(const StringName &p_name, const Varian
 	}
 }
 
-void MaterialStorage::global_variable_set_override(const StringName &p_name, const Variant &p_value) {
-	if (!global_variables.variables.has(p_name)) {
+void MaterialStorage::global_shader_uniform_set_override(const StringName &p_name, const Variant &p_value) {
+	if (!global_shader_uniforms.variables.has(p_name)) {
 		return; //variable may not exist
 	}
 
 	ERR_FAIL_COND(p_value.get_type() == Variant::OBJECT);
 
-	GlobalVariables::Variable &gv = global_variables.variables[p_name];
+	GlobalShaderUniforms::Variable &gv = global_shader_uniforms.variables[p_name];
 
 	gv.override = p_value;
 
 	if (gv.buffer_index >= 0) {
 		//buffer
 		if (gv.override.get_type() == Variant::NIL) {
-			_global_variable_store_in_buffer(gv.buffer_index, gv.type, gv.value);
+			_global_shader_uniform_store_in_buffer(gv.buffer_index, gv.type, gv.value);
 		} else {
-			_global_variable_store_in_buffer(gv.buffer_index, gv.type, gv.override);
+			_global_shader_uniform_store_in_buffer(gv.buffer_index, gv.type, gv.override);
 		}
 
-		_global_variable_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
+		_global_shader_uniform_mark_buffer_dirty(gv.buffer_index, gv.buffer_elements);
 	} else {
 		//texture
 		MaterialStorage *material_storage = MaterialStorage::get_singleton();
@@ -2073,35 +2073,35 @@ void MaterialStorage::global_variable_set_override(const StringName &p_name, con
 	}
 }
 
-Variant MaterialStorage::global_variable_get(const StringName &p_name) const {
+Variant MaterialStorage::global_shader_uniform_get(const StringName &p_name) const {
 	if (!Engine::get_singleton()->is_editor_hint()) {
 		ERR_FAIL_V_MSG(Variant(), "This function should never be used outside the editor, it can severely damage performance.");
 	}
 
-	if (!global_variables.variables.has(p_name)) {
+	if (!global_shader_uniforms.variables.has(p_name)) {
 		return Variant();
 	}
 
-	return global_variables.variables[p_name].value;
+	return global_shader_uniforms.variables[p_name].value;
 }
 
-RS::GlobalVariableType MaterialStorage::global_variable_get_type_internal(const StringName &p_name) const {
-	if (!global_variables.variables.has(p_name)) {
+RS::GlobalShaderUniformType MaterialStorage::global_shader_uniform_get_type_internal(const StringName &p_name) const {
+	if (!global_shader_uniforms.variables.has(p_name)) {
 		return RS::GLOBAL_VAR_TYPE_MAX;
 	}
 
-	return global_variables.variables[p_name].type;
+	return global_shader_uniforms.variables[p_name].type;
 }
 
-RS::GlobalVariableType MaterialStorage::global_variable_get_type(const StringName &p_name) const {
+RS::GlobalShaderUniformType MaterialStorage::global_shader_uniform_get_type(const StringName &p_name) const {
 	if (!Engine::get_singleton()->is_editor_hint()) {
 		ERR_FAIL_V_MSG(RS::GLOBAL_VAR_TYPE_MAX, "This function should never be used outside the editor, it can severely damage performance.");
 	}
 
-	return global_variable_get_type_internal(p_name);
+	return global_shader_uniform_get_type_internal(p_name);
 }
 
-void MaterialStorage::global_variables_load_settings(bool p_load_textures) {
+void MaterialStorage::global_shader_uniforms_load_settings(bool p_load_textures) {
 	List<PropertyInfo> settings;
 	ProjectSettings::get_singleton()->get_property_list(&settings);
 
@@ -2146,11 +2146,11 @@ void MaterialStorage::global_variables_load_settings(bool p_load_textures) {
 				"samplerCube",
 			};
 
-			RS::GlobalVariableType gvtype = RS::GLOBAL_VAR_TYPE_MAX;
+			RS::GlobalShaderUniformType gvtype = RS::GLOBAL_VAR_TYPE_MAX;
 
 			for (int i = 0; i < RS::GLOBAL_VAR_TYPE_MAX; i++) {
 				if (global_var_type_names[i] == type) {
-					gvtype = RS::GlobalVariableType(i);
+					gvtype = RS::GlobalShaderUniformType(i);
 					break;
 				}
 			}
@@ -2172,47 +2172,47 @@ void MaterialStorage::global_variables_load_settings(bool p_load_textures) {
 				value = resource;
 			}
 
-			if (global_variables.variables.has(name)) {
+			if (global_shader_uniforms.variables.has(name)) {
 				//has it, update it
-				global_variable_set(name, value);
+				global_shader_uniform_set(name, value);
 			} else {
-				global_variable_add(name, gvtype, value);
+				global_shader_uniform_add(name, gvtype, value);
 			}
 		}
 	}
 }
 
-void MaterialStorage::global_variables_clear() {
-	global_variables.variables.clear(); //not right but for now enough
+void MaterialStorage::global_shader_uniforms_clear() {
+	global_shader_uniforms.variables.clear(); //not right but for now enough
 }
 
-RID MaterialStorage::global_variables_get_storage_buffer() const {
-	return global_variables.buffer;
+RID MaterialStorage::global_shader_uniforms_get_storage_buffer() const {
+	return global_shader_uniforms.buffer;
 }
 
-int32_t MaterialStorage::global_variables_instance_allocate(RID p_instance) {
-	ERR_FAIL_COND_V(global_variables.instance_buffer_pos.has(p_instance), -1);
-	int32_t pos = _global_variable_allocate(ShaderLanguage::MAX_INSTANCE_UNIFORM_INDICES);
-	global_variables.instance_buffer_pos[p_instance] = pos; //save anyway
+int32_t MaterialStorage::global_shader_uniforms_instance_allocate(RID p_instance) {
+	ERR_FAIL_COND_V(global_shader_uniforms.instance_buffer_pos.has(p_instance), -1);
+	int32_t pos = _global_shader_uniform_allocate(ShaderLanguage::MAX_INSTANCE_UNIFORM_INDICES);
+	global_shader_uniforms.instance_buffer_pos[p_instance] = pos; //save anyway
 	ERR_FAIL_COND_V_MSG(pos < 0, -1, "Too many instances using shader instance variables. Increase buffer size in Project Settings.");
-	global_variables.buffer_usage[pos].elements = ShaderLanguage::MAX_INSTANCE_UNIFORM_INDICES;
+	global_shader_uniforms.buffer_usage[pos].elements = ShaderLanguage::MAX_INSTANCE_UNIFORM_INDICES;
 	return pos;
 }
 
-void MaterialStorage::global_variables_instance_free(RID p_instance) {
-	ERR_FAIL_COND(!global_variables.instance_buffer_pos.has(p_instance));
-	int32_t pos = global_variables.instance_buffer_pos[p_instance];
+void MaterialStorage::global_shader_uniforms_instance_free(RID p_instance) {
+	ERR_FAIL_COND(!global_shader_uniforms.instance_buffer_pos.has(p_instance));
+	int32_t pos = global_shader_uniforms.instance_buffer_pos[p_instance];
 	if (pos >= 0) {
-		global_variables.buffer_usage[pos].elements = 0;
+		global_shader_uniforms.buffer_usage[pos].elements = 0;
 	}
-	global_variables.instance_buffer_pos.erase(p_instance);
+	global_shader_uniforms.instance_buffer_pos.erase(p_instance);
 }
 
-void MaterialStorage::global_variables_instance_update(RID p_instance, int p_index, const Variant &p_value) {
-	if (!global_variables.instance_buffer_pos.has(p_instance)) {
+void MaterialStorage::global_shader_uniforms_instance_update(RID p_instance, int p_index, const Variant &p_value) {
+	if (!global_shader_uniforms.instance_buffer_pos.has(p_instance)) {
 		return; //just not allocated, ignore
 	}
-	int32_t pos = global_variables.instance_buffer_pos[p_instance];
+	int32_t pos = global_shader_uniforms.instance_buffer_pos[p_instance];
 
 	if (pos < 0) {
 		return; //again, not allocated, ignore
@@ -2247,57 +2247,57 @@ void MaterialStorage::global_variables_instance_update(RID p_instance, int p_ind
 
 	pos += p_index;
 
-	_fill_std140_variant_ubo_value(datatype, 0, p_value, (uint8_t *)&global_variables.buffer_values[pos], true); //instances always use linear color in this renderer
-	_global_variable_mark_buffer_dirty(pos, 1);
+	_fill_std140_variant_ubo_value(datatype, 0, p_value, (uint8_t *)&global_shader_uniforms.buffer_values[pos], true); //instances always use linear color in this renderer
+	_global_shader_uniform_mark_buffer_dirty(pos, 1);
 }
 
-void MaterialStorage::_update_global_variables() {
+void MaterialStorage::_update_global_shader_uniforms() {
 	MaterialStorage *material_storage = MaterialStorage::get_singleton();
-	if (global_variables.buffer_dirty_region_count > 0) {
-		uint32_t total_regions = global_variables.buffer_size / GlobalVariables::BUFFER_DIRTY_REGION_SIZE;
-		if (total_regions / global_variables.buffer_dirty_region_count <= 4) {
+	if (global_shader_uniforms.buffer_dirty_region_count > 0) {
+		uint32_t total_regions = global_shader_uniforms.buffer_size / GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE;
+		if (total_regions / global_shader_uniforms.buffer_dirty_region_count <= 4) {
 			// 25% of regions dirty, just update all buffer
-			RD::get_singleton()->buffer_update(global_variables.buffer, 0, sizeof(GlobalVariables::Value) * global_variables.buffer_size, global_variables.buffer_values);
-			memset(global_variables.buffer_dirty_regions, 0, sizeof(bool) * total_regions);
+			RD::get_singleton()->buffer_update(global_shader_uniforms.buffer, 0, sizeof(GlobalShaderUniforms::Value) * global_shader_uniforms.buffer_size, global_shader_uniforms.buffer_values);
+			memset(global_shader_uniforms.buffer_dirty_regions, 0, sizeof(bool) * total_regions);
 		} else {
-			uint32_t region_byte_size = sizeof(GlobalVariables::Value) * GlobalVariables::BUFFER_DIRTY_REGION_SIZE;
+			uint32_t region_byte_size = sizeof(GlobalShaderUniforms::Value) * GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE;
 
 			for (uint32_t i = 0; i < total_regions; i++) {
-				if (global_variables.buffer_dirty_regions[i]) {
-					RD::get_singleton()->buffer_update(global_variables.buffer, i * region_byte_size, region_byte_size, &global_variables.buffer_values[i * GlobalVariables::BUFFER_DIRTY_REGION_SIZE]);
+				if (global_shader_uniforms.buffer_dirty_regions[i]) {
+					RD::get_singleton()->buffer_update(global_shader_uniforms.buffer, i * region_byte_size, region_byte_size, &global_shader_uniforms.buffer_values[i * GlobalShaderUniforms::BUFFER_DIRTY_REGION_SIZE]);
 
-					global_variables.buffer_dirty_regions[i] = false;
+					global_shader_uniforms.buffer_dirty_regions[i] = false;
 				}
 			}
 		}
 
-		global_variables.buffer_dirty_region_count = 0;
+		global_shader_uniforms.buffer_dirty_region_count = 0;
 	}
 
-	if (global_variables.must_update_buffer_materials) {
+	if (global_shader_uniforms.must_update_buffer_materials) {
 		// only happens in the case of a buffer variable added or removed,
 		// so not often.
-		for (const RID &E : global_variables.materials_using_buffer) {
+		for (const RID &E : global_shader_uniforms.materials_using_buffer) {
 			Material *material = material_storage->get_material(E);
 			ERR_CONTINUE(!material); //wtf
 
 			material_storage->_material_queue_update(material, true, false);
 		}
 
-		global_variables.must_update_buffer_materials = false;
+		global_shader_uniforms.must_update_buffer_materials = false;
 	}
 
-	if (global_variables.must_update_texture_materials) {
+	if (global_shader_uniforms.must_update_texture_materials) {
 		// only happens in the case of a buffer variable added or removed,
 		// so not often.
-		for (const RID &E : global_variables.materials_using_texture) {
+		for (const RID &E : global_shader_uniforms.materials_using_texture) {
 			Material *material = material_storage->get_material(E);
 			ERR_CONTINUE(!material); //wtf
 
 			material_storage->_material_queue_update(material, false, true);
 		}
 
-		global_variables.must_update_texture_materials = false;
+		global_shader_uniforms.must_update_texture_materials = false;
 	}
 }
 
diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.h b/servers/rendering/renderer_rd/storage_rd/material_storage.h
index d5c9980150..ad40a86dd0 100644
--- a/servers/rendering/renderer_rd/storage_rd/material_storage.h
+++ b/servers/rendering/renderer_rd/storage_rd/material_storage.h
@@ -135,15 +135,15 @@ struct Material {
 			update_element(this) {}
 };
 
-/* Global variable structs */
-struct GlobalVariables {
+/* Global shader uniform structs */
+struct GlobalShaderUniforms {
 	enum {
 		BUFFER_DIRTY_REGION_SIZE = 1024
 	};
 	struct Variable {
 		HashSet<RID> texture_materials; // materials using this
 
-		RS::GlobalVariableType type;
+		RS::GlobalShaderUniformType type;
 		Variant value;
 		Variant override;
 		int32_t buffer_index; //for vectors
@@ -209,13 +209,13 @@ private:
 	RID quad_index_buffer;
 	RID quad_index_array;
 
-	/* GLOBAL VARIABLE API */
+	/* GLOBAL SHADER UNIFORM API */
 
-	GlobalVariables global_variables;
+	GlobalShaderUniforms global_shader_uniforms;
 
-	int32_t _global_variable_allocate(uint32_t p_elements);
-	void _global_variable_store_in_buffer(int32_t p_index, RS::GlobalVariableType p_type, const Variant &p_value);
-	void _global_variable_mark_buffer_dirty(int32_t p_index, int32_t p_elements);
+	int32_t _global_shader_uniform_allocate(uint32_t p_elements);
+	void _global_shader_uniform_store_in_buffer(int32_t p_index, RS::GlobalShaderUniformType p_type, const Variant &p_value);
+	void _global_shader_uniform_mark_buffer_dirty(int32_t p_index, int32_t p_elements);
 
 	/* SHADER API */
 
@@ -333,28 +333,28 @@ public:
 
 	RID get_quad_index_array() { return quad_index_array; }
 
-	/* GLOBAL VARIABLE API */
+	/* GLOBAL SHADER UNIFORM API */
 
-	void _update_global_variables();
+	void _update_global_shader_uniforms();
 
-	virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) override;
-	virtual void global_variable_remove(const StringName &p_name) override;
-	virtual Vector<StringName> global_variable_get_list() const override;
+	virtual void global_shader_uniform_add(const StringName &p_name, RS::GlobalShaderUniformType p_type, const Variant &p_value) override;
+	virtual void global_shader_uniform_remove(const StringName &p_name) override;
+	virtual Vector<StringName> global_shader_uniform_get_list() const override;
 
-	virtual void global_variable_set(const StringName &p_name, const Variant &p_value) override;
-	virtual void global_variable_set_override(const StringName &p_name, const Variant &p_value) override;
-	virtual Variant global_variable_get(const StringName &p_name) const override;
-	virtual RS::GlobalVariableType global_variable_get_type(const StringName &p_name) const override;
-	RS::GlobalVariableType global_variable_get_type_internal(const StringName &p_name) const;
+	virtual void global_shader_uniform_set(const StringName &p_name, const Variant &p_value) override;
+	virtual void global_shader_uniform_set_override(const StringName &p_name, const Variant &p_value) override;
+	virtual Variant global_shader_uniform_get(const StringName &p_name) const override;
+	virtual RS::GlobalShaderUniformType global_shader_uniform_get_type(const StringName &p_name) const override;
+	RS::GlobalShaderUniformType global_shader_uniform_get_type_internal(const StringName &p_name) const;
 
-	virtual void global_variables_load_settings(bool p_load_textures = true) override;
-	virtual void global_variables_clear() override;
+	virtual void global_shader_uniforms_load_settings(bool p_load_textures = true) override;
+	virtual void global_shader_uniforms_clear() override;
 
-	virtual int32_t global_variables_instance_allocate(RID p_instance) override;
-	virtual void global_variables_instance_free(RID p_instance) override;
-	virtual void global_variables_instance_update(RID p_instance, int p_index, const Variant &p_value) override;
+	virtual int32_t global_shader_uniforms_instance_allocate(RID p_instance) override;
+	virtual void global_shader_uniforms_instance_free(RID p_instance) override;
+	virtual void global_shader_uniforms_instance_update(RID p_instance, int p_index, const Variant &p_value) override;
 
-	RID global_variables_get_storage_buffer() const;
+	RID global_shader_uniforms_get_storage_buffer() const;
 
 	/* SHADER API */
 
diff --git a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
index 75977c5bc9..1e5511eeda 100644
--- a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
@@ -112,7 +112,7 @@ ParticlesStorage::ParticlesStorage() {
 
 		actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP;
 		actions.default_repeat = ShaderLanguage::REPEAT_ENABLE;
-		actions.global_buffer_array_variable = "global_variables.data";
+		actions.global_buffer_array_variable = "global_shader_uniforms.data";
 
 		particles_shader.compiler.initialize(actions);
 	}
@@ -164,7 +164,7 @@ void process() {
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 2;
-			u.append_id(material_storage->global_variables_get_storage_buffer());
+			u.append_id(material_storage->global_shader_uniforms_get_storage_buffer());
 			uniforms.push_back(u);
 		}
 
diff --git a/servers/rendering/renderer_rd/storage_rd/utilities.cpp b/servers/rendering/renderer_rd/storage_rd/utilities.cpp
index a1f62c16c7..b4dccfabc7 100644
--- a/servers/rendering/renderer_rd/storage_rd/utilities.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/utilities.cpp
@@ -272,7 +272,7 @@ String Utilities::get_captured_timestamp_name(uint32_t p_index) const {
 /* MISC */
 
 void Utilities::update_dirty_resources() {
-	MaterialStorage::get_singleton()->_update_global_variables(); //must do before materials, so it can queue them for update
+	MaterialStorage::get_singleton()->_update_global_shader_uniforms(); //must do before materials, so it can queue them for update
 	MaterialStorage::get_singleton()->_update_queued_materials();
 	MeshStorage::get_singleton()->_update_dirty_multimeshes();
 	MeshStorage::get_singleton()->_update_dirty_skeletons();
diff --git a/servers/rendering/renderer_scene_cull.cpp b/servers/rendering/renderer_scene_cull.cpp
index 7e9be504f8..368bbb63f5 100644
--- a/servers/rendering/renderer_scene_cull.cpp
+++ b/servers/rendering/renderer_scene_cull.cpp
@@ -1441,7 +1441,7 @@ void RendererSceneCull::instance_geometry_set_shader_parameter(RID p_instance, c
 		E->value.value = p_value;
 		if (E->value.index >= 0 && instance->instance_allocated_shader_parameters) {
 			//update directly
-			RSG::material_storage->global_variables_instance_update(p_instance, E->value.index, p_value);
+			RSG::material_storage->global_shader_uniforms_instance_update(p_instance, E->value.index, p_value);
 		}
 	}
 }
@@ -3850,16 +3850,16 @@ void RendererSceneCull::_update_dirty_instance(Instance *p_instance) {
 			if (p_instance->instance_allocated_shader_parameters != (p_instance->instance_shader_parameters.size() > 0)) {
 				p_instance->instance_allocated_shader_parameters = (p_instance->instance_shader_parameters.size() > 0);
 				if (p_instance->instance_allocated_shader_parameters) {
-					p_instance->instance_allocated_shader_parameters_offset = RSG::material_storage->global_variables_instance_allocate(p_instance->self);
+					p_instance->instance_allocated_shader_parameters_offset = RSG::material_storage->global_shader_uniforms_instance_allocate(p_instance->self);
 					geom->geometry_instance->set_instance_shader_parameters_offset(p_instance->instance_allocated_shader_parameters_offset);
 
 					for (const KeyValue<StringName, Instance::InstanceShaderParameter> &E : p_instance->instance_shader_parameters) {
 						if (E.value.value.get_type() != Variant::NIL) {
-							RSG::material_storage->global_variables_instance_update(p_instance->self, E.value.index, E.value.value);
+							RSG::material_storage->global_shader_uniforms_instance_update(p_instance->self, E.value.index, E.value.value);
 						}
 					}
 				} else {
-					RSG::material_storage->global_variables_instance_free(p_instance->self);
+					RSG::material_storage->global_shader_uniforms_instance_free(p_instance->self);
 					p_instance->instance_allocated_shader_parameters_offset = -1;
 					geom->geometry_instance->set_instance_shader_parameters_offset(-1);
 				}
@@ -3955,7 +3955,7 @@ bool RendererSceneCull::free(RID p_rid) {
 
 		if (instance->instance_allocated_shader_parameters) {
 			//free the used shader parameters
-			RSG::material_storage->global_variables_instance_free(instance->self);
+			RSG::material_storage->global_shader_uniforms_instance_free(instance->self);
 		}
 		update_dirty_instances(); //in case something changed this
 
diff --git a/servers/rendering/rendering_server_default.h b/servers/rendering/rendering_server_default.h
index f093f43a82..cf85108797 100644
--- a/servers/rendering/rendering_server_default.h
+++ b/servers/rendering/rendering_server_default.h
@@ -900,7 +900,7 @@ public:
 
 	FUNC1(canvas_set_shadow_texture_size, int)
 
-	/* GLOBAL VARIABLES */
+	/* GLOBAL SHADER UNIFORMS */
 
 #undef server_name
 #undef ServerName
@@ -908,16 +908,16 @@ public:
 #define ServerName RendererMaterialStorage
 #define server_name RSG::material_storage
 
-	FUNC3(global_variable_add, const StringName &, GlobalVariableType, const Variant &)
-	FUNC1(global_variable_remove, const StringName &)
-	FUNC0RC(Vector<StringName>, global_variable_get_list)
-	FUNC2(global_variable_set, const StringName &, const Variant &)
-	FUNC2(global_variable_set_override, const StringName &, const Variant &)
-	FUNC1RC(GlobalVariableType, global_variable_get_type, const StringName &)
-	FUNC1RC(Variant, global_variable_get, const StringName &)
+	FUNC3(global_shader_uniform_add, const StringName &, GlobalShaderUniformType, const Variant &)
+	FUNC1(global_shader_uniform_remove, const StringName &)
+	FUNC0RC(Vector<StringName>, global_shader_uniform_get_list)
+	FUNC2(global_shader_uniform_set, const StringName &, const Variant &)
+	FUNC2(global_shader_uniform_set_override, const StringName &, const Variant &)
+	FUNC1RC(GlobalShaderUniformType, global_shader_uniform_get_type, const StringName &)
+	FUNC1RC(Variant, global_shader_uniform_get, const StringName &)
 
-	FUNC1(global_variables_load_settings, bool)
-	FUNC0(global_variables_clear)
+	FUNC1(global_shader_uniforms_load_settings, bool)
+	FUNC0(global_shader_uniforms_clear)
 
 #undef server_name
 #undef ServerName
diff --git a/servers/rendering/shader_compiler.cpp b/servers/rendering/shader_compiler.cpp
index e291246d01..7637eae4a6 100644
--- a/servers/rendering/shader_compiler.cpp
+++ b/servers/rendering/shader_compiler.cpp
@@ -370,7 +370,7 @@ void ShaderCompiler::_dump_function_deps(const SL::ShaderNode *p_node, const Str
 	}
 }
 
-static String _get_global_variable_from_type_and_index(const String &p_buffer, const String &p_index, ShaderLanguage::DataType p_type) {
+static String _get_global_shader_uniform_from_type_and_index(const String &p_buffer, const String &p_index, ShaderLanguage::DataType p_type) {
 	switch (p_type) {
 		case ShaderLanguage::TYPE_BOOL: {
 			return "(" + p_buffer + "[" + p_index + "].x != 0.0)";
@@ -903,11 +903,11 @@ String ShaderCompiler::_dump_node_code(const SL::Node *p_node, int p_level, Gene
 						if (u.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL) {
 							code = actions.base_uniform_string + _mkid(vnode->name); //texture, use as is
 							//global variable, this means the code points to an index to the global table
-							code = _get_global_variable_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
+							code = _get_global_shader_uniform_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
 						} else if (u.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) {
 							//instance variable, index it as such
 							code = "(" + p_default_actions.instance_uniform_index_variable + "+" + itos(u.instance_index) + ")";
-							code = _get_global_variable_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
+							code = _get_global_shader_uniform_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
 						} else {
 							//regular uniform, index from UBO
 							code = actions.base_uniform_string + _mkid(vnode->name);
@@ -1003,11 +1003,11 @@ String ShaderCompiler::_dump_node_code(const SL::Node *p_node, int p_level, Gene
 						if (u.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL) {
 							code = actions.base_uniform_string + _mkid(anode->name); //texture, use as is
 							//global variable, this means the code points to an index to the global table
-							code = _get_global_variable_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
+							code = _get_global_shader_uniform_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
 						} else if (u.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) {
 							//instance variable, index it as such
 							code = "(" + p_default_actions.instance_uniform_index_variable + "+" + itos(u.instance_index) + ")";
-							code = _get_global_variable_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
+							code = _get_global_shader_uniform_from_type_and_index(p_default_actions.global_buffer_array_variable, code, u.type);
 						} else {
 							//regular uniform, index from UBO
 							code = actions.base_uniform_string + _mkid(anode->name);
@@ -1309,8 +1309,8 @@ String ShaderCompiler::_dump_node_code(const SL::Node *p_node, int p_level, Gene
 }
 
 ShaderLanguage::DataType ShaderCompiler::_get_variable_type(const StringName &p_type) {
-	RS::GlobalVariableType gvt = RS::get_singleton()->global_variable_get_type(p_type);
-	return (ShaderLanguage::DataType)RS::global_variable_type_get_shader_datatype(gvt);
+	RS::GlobalShaderUniformType gvt = RS::get_singleton()->global_shader_uniform_get_type(p_type);
+	return (ShaderLanguage::DataType)RS::global_shader_uniform_type_get_shader_datatype(gvt);
 }
 
 Error ShaderCompiler::compile(RS::ShaderMode p_mode, const String &p_code, IdentifierActions *p_actions, const String &p_path, GeneratedCode &r_gen_code) {
@@ -1318,7 +1318,7 @@ Error ShaderCompiler::compile(RS::ShaderMode p_mode, const String &p_code, Ident
 	info.functions = ShaderTypes::get_singleton()->get_functions(p_mode);
 	info.render_modes = ShaderTypes::get_singleton()->get_modes(p_mode);
 	info.shader_types = ShaderTypes::get_singleton()->get_types();
-	info.global_variable_type_func = _get_variable_type;
+	info.global_shader_uniform_type_func = _get_variable_type;
 
 	Error err = parser.compile(p_code, info);
 
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index bb41b06189..2dd0f7006b 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -8277,7 +8277,7 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
 				if (is_uniform) {
 					if (uniform_scope == ShaderNode::Uniform::SCOPE_GLOBAL && Engine::get_singleton()->is_editor_hint()) { // Type checking for global uniforms is not allowed outside the editor.
 						//validate global uniform
-						DataType gvtype = global_var_get_type_func(name);
+						DataType gvtype = global_shader_uniform_get_type_func(name);
 						if (gvtype == TYPE_MAX) {
 							_set_error(vformat(RTR("Global uniform '%s' does not exist. Create it in Project Settings."), String(name)));
 							return ERR_PARSE_ERROR;
@@ -9652,7 +9652,7 @@ Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_i
 	is_shader_inc = p_info.is_include;
 
 	code = p_code;
-	global_var_get_type_func = p_info.global_variable_type_func;
+	global_shader_uniform_get_type_func = p_info.global_shader_uniform_type_func;
 
 	varying_function_names = p_info.varying_function_names;
 
@@ -9681,7 +9681,7 @@ Error ShaderLanguage::complete(const String &p_code, const ShaderCompileInfo &p_
 	varying_function_names = p_info.varying_function_names;
 
 	nodes = nullptr;
-	global_var_get_type_func = p_info.global_variable_type_func;
+	global_shader_uniform_get_type_func = p_info.global_shader_uniform_type_func;
 
 	shader = alloc_node<ShaderNode>();
 	_parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types);
diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h
index 42023f25d7..09160e2949 100644
--- a/servers/rendering/shader_language.h
+++ b/servers/rendering/shader_language.h
@@ -869,7 +869,7 @@ public:
 	};
 	static bool has_builtin(const HashMap<StringName, ShaderLanguage::FunctionInfo> &p_functions, const StringName &p_name);
 
-	typedef DataType (*GlobalVariableGetTypeFunc)(const StringName &p_name);
+	typedef DataType (*GlobalShaderUniformGetTypeFunc)(const StringName &p_name);
 
 	struct FilePosition {
 		String file;
@@ -887,7 +887,7 @@ private:
 
 	static const KeyWord keyword_list[];
 
-	GlobalVariableGetTypeFunc global_var_get_type_func = nullptr;
+	GlobalShaderUniformGetTypeFunc global_shader_uniform_get_type_func = nullptr;
 
 	bool error_set = false;
 	String error_str;
@@ -1113,7 +1113,7 @@ public:
 		Vector<ModeInfo> render_modes;
 		VaryingFunctionNames varying_function_names = VaryingFunctionNames();
 		HashSet<String> shader_types;
-		GlobalVariableGetTypeFunc global_variable_type_func = nullptr;
+		GlobalShaderUniformGetTypeFunc global_shader_uniform_type_func = nullptr;
 		bool is_include = false;
 	};
 
diff --git a/servers/rendering/storage/material_storage.h b/servers/rendering/storage/material_storage.h
index 3566502144..6347b22240 100644
--- a/servers/rendering/storage/material_storage.h
+++ b/servers/rendering/storage/material_storage.h
@@ -38,22 +38,22 @@ class RendererMaterialStorage {
 public:
 	virtual ~RendererMaterialStorage(){};
 
-	/* GLOBAL VARIABLE API */
-	virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) = 0;
-	virtual void global_variable_remove(const StringName &p_name) = 0;
-	virtual Vector<StringName> global_variable_get_list() const = 0;
-
-	virtual void global_variable_set(const StringName &p_name, const Variant &p_value) = 0;
-	virtual void global_variable_set_override(const StringName &p_name, const Variant &p_value) = 0;
-	virtual Variant global_variable_get(const StringName &p_name) const = 0;
-	virtual RS::GlobalVariableType global_variable_get_type(const StringName &p_name) const = 0;
-
-	virtual void global_variables_load_settings(bool p_load_textures = true) = 0;
-	virtual void global_variables_clear() = 0;
-
-	virtual int32_t global_variables_instance_allocate(RID p_instance) = 0;
-	virtual void global_variables_instance_free(RID p_instance) = 0;
-	virtual void global_variables_instance_update(RID p_instance, int p_index, const Variant &p_value) = 0;
+	/* GLOBAL SHADER UNIFORM API */
+	virtual void global_shader_uniform_add(const StringName &p_name, RS::GlobalShaderUniformType p_type, const Variant &p_value) = 0;
+	virtual void global_shader_uniform_remove(const StringName &p_name) = 0;
+	virtual Vector<StringName> global_shader_uniform_get_list() const = 0;
+
+	virtual void global_shader_uniform_set(const StringName &p_name, const Variant &p_value) = 0;
+	virtual void global_shader_uniform_set_override(const StringName &p_name, const Variant &p_value) = 0;
+	virtual Variant global_shader_uniform_get(const StringName &p_name) const = 0;
+	virtual RS::GlobalShaderUniformType global_shader_uniform_get_type(const StringName &p_name) const = 0;
+
+	virtual void global_shader_uniforms_load_settings(bool p_load_textures = true) = 0;
+	virtual void global_shader_uniforms_clear() = 0;
+
+	virtual int32_t global_shader_uniforms_instance_allocate(RID p_instance) = 0;
+	virtual void global_shader_uniforms_instance_free(RID p_instance) = 0;
+	virtual void global_shader_uniforms_instance_update(RID p_instance, int p_index, const Variant &p_value) = 0;
 
 	/* SHADER API */
 	virtual RID shader_allocate() = 0;
diff --git a/servers/rendering_server.cpp b/servers/rendering_server.cpp
index 73405dcbed..ffeaf6bc06 100644
--- a/servers/rendering_server.cpp
+++ b/servers/rendering_server.cpp
@@ -1410,7 +1410,7 @@ Array RenderingServer::_mesh_surface_get_skeleton_aabb_bind(RID p_mesh, int p_su
 }
 #endif
 
-int RenderingServer::global_variable_type_get_shader_datatype(GlobalVariableType p_type) {
+int RenderingServer::global_shader_uniform_type_get_shader_datatype(GlobalShaderUniformType p_type) {
 	switch (p_type) {
 		case RS::GLOBAL_VAR_TYPE_BOOL:
 			return ShaderLanguage::TYPE_BOOL;
@@ -2690,15 +2690,15 @@ void RenderingServer::_bind_methods() {
 	BIND_ENUM_CONSTANT(CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE);
 	BIND_ENUM_CONSTANT(CANVAS_OCCLUDER_POLYGON_CULL_COUNTER_CLOCKWISE);
 
-	/* GLOBAL VARIABLES */
+	/* GLOBAL SHADER UNIFORMS */
 
-	ClassDB::bind_method(D_METHOD("global_variable_add", "name", "type", "default_value"), &RenderingServer::global_variable_add);
-	ClassDB::bind_method(D_METHOD("global_variable_remove", "name"), &RenderingServer::global_variable_remove);
-	ClassDB::bind_method(D_METHOD("global_variable_get_list"), &RenderingServer::global_variable_get_list);
-	ClassDB::bind_method(D_METHOD("global_variable_set", "name", "value"), &RenderingServer::global_variable_set);
-	ClassDB::bind_method(D_METHOD("global_variable_set_override", "name", "value"), &RenderingServer::global_variable_set_override);
-	ClassDB::bind_method(D_METHOD("global_variable_get", "name"), &RenderingServer::global_variable_get);
-	ClassDB::bind_method(D_METHOD("global_variable_get_type", "name"), &RenderingServer::global_variable_get_type);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_add", "name", "type", "default_value"), &RenderingServer::global_shader_uniform_add);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_remove", "name"), &RenderingServer::global_shader_uniform_remove);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_get_list"), &RenderingServer::global_shader_uniform_get_list);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_set", "name", "value"), &RenderingServer::global_shader_uniform_set);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_set_override", "name", "value"), &RenderingServer::global_shader_uniform_set_override);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_get", "name"), &RenderingServer::global_shader_uniform_get);
+	ClassDB::bind_method(D_METHOD("global_shader_uniform_get_type", "name"), &RenderingServer::global_shader_uniform_get_type);
 
 	BIND_ENUM_CONSTANT(GLOBAL_VAR_TYPE_BOOL);
 	BIND_ENUM_CONSTANT(GLOBAL_VAR_TYPE_BVEC2);
diff --git a/servers/rendering_server.h b/servers/rendering_server.h
index dcb2683add..eb4fba2578 100644
--- a/servers/rendering_server.h
+++ b/servers/rendering_server.h
@@ -1425,9 +1425,9 @@ public:
 
 	virtual void canvas_set_shadow_texture_size(int p_size) = 0;
 
-	/* GLOBAL VARIABLES */
+	/* GLOBAL SHADER UNIFORMS */
 
-	enum GlobalVariableType {
+	enum GlobalShaderUniformType {
 		GLOBAL_VAR_TYPE_BOOL,
 		GLOBAL_VAR_TYPE_BVEC2,
 		GLOBAL_VAR_TYPE_BVEC3,
@@ -1459,20 +1459,20 @@ public:
 		GLOBAL_VAR_TYPE_MAX
 	};
 
-	virtual void global_variable_add(const StringName &p_name, GlobalVariableType p_type, const Variant &p_value) = 0;
-	virtual void global_variable_remove(const StringName &p_name) = 0;
-	virtual Vector<StringName> global_variable_get_list() const = 0;
+	virtual void global_shader_uniform_add(const StringName &p_name, GlobalShaderUniformType p_type, const Variant &p_value) = 0;
+	virtual void global_shader_uniform_remove(const StringName &p_name) = 0;
+	virtual Vector<StringName> global_shader_uniform_get_list() const = 0;
 
-	virtual void global_variable_set(const StringName &p_name, const Variant &p_value) = 0;
-	virtual void global_variable_set_override(const StringName &p_name, const Variant &p_value) = 0;
+	virtual void global_shader_uniform_set(const StringName &p_name, const Variant &p_value) = 0;
+	virtual void global_shader_uniform_set_override(const StringName &p_name, const Variant &p_value) = 0;
 
-	virtual Variant global_variable_get(const StringName &p_name) const = 0;
-	virtual GlobalVariableType global_variable_get_type(const StringName &p_name) const = 0;
+	virtual Variant global_shader_uniform_get(const StringName &p_name) const = 0;
+	virtual GlobalShaderUniformType global_shader_uniform_get_type(const StringName &p_name) const = 0;
 
-	virtual void global_variables_load_settings(bool p_load_textures) = 0;
-	virtual void global_variables_clear() = 0;
+	virtual void global_shader_uniforms_load_settings(bool p_load_textures) = 0;
+	virtual void global_shader_uniforms_clear() = 0;
 
-	static int global_variable_type_get_shader_datatype(GlobalVariableType p_type);
+	static int global_shader_uniform_type_get_shader_datatype(GlobalShaderUniformType p_type);
 
 	/* FREE */
 
@@ -1648,7 +1648,7 @@ VARIANT_ENUM_CAST(RenderingServer::CanvasLightMode);
 VARIANT_ENUM_CAST(RenderingServer::CanvasLightBlendMode);
 VARIANT_ENUM_CAST(RenderingServer::CanvasLightShadowFilter);
 VARIANT_ENUM_CAST(RenderingServer::CanvasOccluderPolygonCullMode);
-VARIANT_ENUM_CAST(RenderingServer::GlobalVariableType);
+VARIANT_ENUM_CAST(RenderingServer::GlobalShaderUniformType);
 VARIANT_ENUM_CAST(RenderingServer::RenderingInfo);
 VARIANT_ENUM_CAST(RenderingServer::Features);
 VARIANT_ENUM_CAST(RenderingServer::CanvasTextureChannel);