[4.3] Cherry-picks for the 4.3 (4.3.1) branch - 1st rendering bugs batch

doc/classes/Sprite2D.xml

@@ -76,7 +76,7 @@
 			If [code]true[/code], texture is cut from a larger atlas texture. See [member region_rect].
 		</member>
 		<member name="region_filter_clip_enabled" type="bool" setter="set_region_filter_clip_enabled" getter="is_region_filter_clip_enabled" default="false">
-			If [code]true[/code], the outermost pixels get blurred out. [member region_enabled] must be [code]true[/code].
+			If [code]true[/code], the area outside of the [member region_rect] is clipped to avoid bleeding of the surrounding texture pixels. [member region_enabled] must be [code]true[/code].
 		</member>
 		<member name="region_rect" type="Rect2" setter="set_region_rect" getter="get_region_rect" default="Rect2(0, 0, 0, 0)">
 			The region of the atlas texture to display. [member region_enabled] must be [code]true[/code].

drivers/d3d12/rendering_device_driver_d3d12.cpp

@@ -2348,6 +2348,19 @@ RDD::CommandPoolID RenderingDeviceDriverD3D12::command_pool_create(CommandQueueF
 
 void RenderingDeviceDriverD3D12::command_pool_free(CommandPoolID p_cmd_pool) {
 	CommandPoolInfo *command_pool = (CommandPoolInfo *)(p_cmd_pool.id);
+
+	// Destroy all command buffers associated with this command pool, mirroring Vulkan's behavior.
+	SelfList<CommandBufferInfo> *cmd_buf_elem = command_pool->command_buffers.first();
+	while (cmd_buf_elem != nullptr) {
+		CommandBufferInfo *cmd_buf_info = cmd_buf_elem->self();
+		cmd_buf_elem = cmd_buf_elem->next();
+
+		cmd_buf_info->cmd_list.Reset();
+		cmd_buf_info->cmd_allocator.Reset();
+
+		VersatileResource::free(resources_allocator, cmd_buf_info);
+	}
+
 	memdelete(command_pool);
 }
 
@@ -2356,7 +2369,7 @@ void RenderingDeviceDriverD3D12::command_pool_free(CommandPoolID p_cmd_pool) {
 RDD::CommandBufferID RenderingDeviceDriverD3D12::command_buffer_create(CommandPoolID p_cmd_pool) {
 	DEV_ASSERT(p_cmd_pool);
 
-	const CommandPoolInfo *command_pool = (CommandPoolInfo *)(p_cmd_pool.id);
+	CommandPoolInfo *command_pool = (CommandPoolInfo *)(p_cmd_pool.id);
 	D3D12_COMMAND_LIST_TYPE list_type;
 	if (command_pool->buffer_type == COMMAND_BUFFER_TYPE_SECONDARY) {
 		list_type = D3D12_COMMAND_LIST_TYPE_BUNDLE;
@@ -2392,6 +2405,9 @@ RDD::CommandBufferID RenderingDeviceDriverD3D12::command_buffer_create(CommandPo
 	cmd_buf_info->cmd_allocator = cmd_allocator;
 	cmd_buf_info->cmd_list = cmd_list;
 
+	// Add this command buffer to the command pool's list of command buffers.
+	command_pool->command_buffers.add(&cmd_buf_info->command_buffer_info_elem);
+
 	return CommandBufferID(cmd_buf_info);
 }
 

drivers/d3d12/rendering_device_driver_d3d12.h

@@ -451,6 +451,9 @@ class RenderingDeviceDriverD3D12 : public RenderingDeviceDriver {
 	struct CommandPoolInfo {
 		CommandQueueFamilyID queue_family;
 		CommandBufferType buffer_type = COMMAND_BUFFER_TYPE_PRIMARY;
+		// Since there are no command pools in D3D12, we need to track the command buffers created by this pool
+		// so that we can free them when the pool is freed.
+		SelfList<CommandBufferInfo>::List command_buffers;
 	};
 
 public:
@@ -478,6 +481,9 @@ class RenderingDeviceDriverD3D12 : public RenderingDeviceDriver {
 	// Leveraging knowledge of actual usage and D3D12 specifics (namely, command lists from the same allocator
 	// can't be freely begun and ended), an allocator per list works better.
 	struct CommandBufferInfo {
+		// Store a self list reference to be used by the command pool.
+		SelfList<CommandBufferInfo> command_buffer_info_elem{ this };
+
 		ComPtr<ID3D12CommandAllocator> cmd_allocator;
 		ComPtr<ID3D12GraphicsCommandList> cmd_list;
 

drivers/gles3/effects/cubemap_filter.cpp

@@ -43,7 +43,10 @@ CubemapFilter *CubemapFilter::singleton = nullptr;
 
 CubemapFilter::CubemapFilter() {
 	singleton = this;
-	ggx_samples = GLOBAL_GET("rendering/reflections/sky_reflections/ggx_samples");
+	// Use a factor 4 larger for the compatibility renderer to make up for the fact
+	// That we don't use an array texture. We will reduce samples on low roughness
+	// to compensate.
+	ggx_samples = 4 * uint32_t(GLOBAL_GET("rendering/reflections/sky_reflections/ggx_samples"));
 
 	{
 		String defines;
@@ -59,10 +62,10 @@ CubemapFilter::CubemapFilter() {
 		const float qv[6] = {
 			-1.0f,
 			-1.0f,
-			3.0f,
-			-1.0f,
 			-1.0f,
 			3.0f,
+			3.0f,
+			-1.0f,
 		};
 
 		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6, qv, GL_STATIC_DRAW);
@@ -148,10 +151,11 @@ void CubemapFilter::filter_radiance(GLuint p_source_cubemap, GLuint p_dest_cubem
 	}
 
 	if (p_layer > 0) {
-		const uint32_t sample_counts[4] = { 1, ggx_samples / 4, ggx_samples / 2, ggx_samples };
-		uint32_t sample_count = sample_counts[MIN(3, p_layer)];
+		const uint32_t sample_counts[5] = { 1, ggx_samples / 16, ggx_samples / 8, ggx_samples / 4, ggx_samples };
+		uint32_t sample_count = sample_counts[MIN(4, p_layer)];
 
-		float roughness = float(p_layer) / (p_mipmap_count);
+		float roughness = float(p_layer) / (p_mipmap_count - 1);
+		roughness *= roughness; // Convert to non-perceptual roughness.
 		float roughness4 = roughness * roughness;
 		roughness4 *= roughness4;
 
@@ -167,7 +171,7 @@ void CubemapFilter::filter_radiance(GLuint p_source_cubemap, GLuint p_dest_cubem
 			Vector3 dir = importance_sample_GGX(xi, roughness4);
 			Vector3 light_vec = (2.0 * dir.z * dir - Vector3(0.0, 0.0, 1.0));
 
-			if (light_vec.z < 0.0) {
+			if (light_vec.z <= 0.0) {
 				continue;
 			}
 

drivers/gles3/rasterizer_scene_gles3.cpp

@@ -2397,6 +2397,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 	bool draw_sky = false;
 	bool draw_sky_fog_only = false;
 	bool keep_color = false;
+	bool draw_canvas = false;
 	float sky_energy_multiplier = 1.0;
 
 	if (unlikely(get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_OVERDRAW)) {
@@ -2436,12 +2437,13 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 				draw_sky = !render_data.transparent_bg;
 			} break;
 			case RS::ENV_BG_CANVAS: {
-				keep_color = true;
+				draw_canvas = true;
 			} break;
 			case RS::ENV_BG_KEEP: {
 				keep_color = true;
 			} break;
 			case RS::ENV_BG_CAMERA_FEED: {
+				keep_color = true;
 			} break;
 			default: {
 			}
@@ -2553,10 +2555,14 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 		glClear(GL_DEPTH_BUFFER_BIT);
 	}
 
-	if (!keep_color) {
+	// Need to clear framebuffer unless:
+	// a) We explicitly request not to (i.e. ENV_BG_KEEP).
+	// b) We are rendering to a non-intermediate framebuffer with ENV_BG_CANVAS (shared between 2D and 3D).
+	if (!keep_color && (!draw_canvas || fbo != rt->fbo)) {
 		clear_color.a = render_data.transparent_bg ? 0.0f : 1.0f;
 		glClearBufferfv(GL_COLOR, 0, clear_color.components);
-	} else if (fbo != rt->fbo) {
+	}
+	if ((keep_color || draw_canvas) && fbo != rt->fbo) {
 		// Need to copy our current contents to our intermediate/MSAA buffer
 		GLES3::CopyEffects *copy_effects = GLES3::CopyEffects::get_singleton();
 
@@ -2567,6 +2573,9 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 		glBindTexture(rt->view_count > 1 ? GL_TEXTURE_2D_ARRAY : GL_TEXTURE_2D, rt->color);
 
 		copy_effects->copy_screen(render_data.luminance_multiplier);
+
+		scene_state.enable_gl_depth_test(true);
+		scene_state.enable_gl_depth_draw(true);
 	}
 
 	RENDER_TIMESTAMP("Render Opaque Pass");
@@ -3287,10 +3296,6 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
 				}
 
 				material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::OPAQUE_PREPASS_THRESHOLD, opaque_prepass_threshold, shader->version, instance_variant, spec_constants);
-
-				prev_shader = shader;
-				prev_variant = instance_variant;
-				prev_spec_constants = spec_constants;
 			}
 
 			// Pass in lighting uniforms.
@@ -3328,7 +3333,7 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
 				}
 
 				// Pass light count and array of light indices for base pass.
-				if ((prev_inst != inst || prev_shader != shader || prev_variant != instance_variant) && pass == 0) {
+				if ((prev_inst != inst || prev_shader != shader || prev_variant != instance_variant || prev_spec_constants != spec_constants) && pass == 0) {
 					// Rebind the light indices.
 					material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::OMNI_LIGHT_COUNT, inst->omni_light_gl_cache.size(), shader->version, instance_variant, spec_constants);
 					material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::SPOT_LIGHT_COUNT, inst->spot_light_gl_cache.size(), shader->version, instance_variant, spec_constants);
@@ -3380,11 +3385,14 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
 					} else if (inst->lightmap_sh) {
 						glUniform4fv(material_storage->shaders.scene_shader.version_get_uniform(SceneShaderGLES3::LIGHTMAP_CAPTURES, shader->version, instance_variant, spec_constants), 9, reinterpret_cast<const GLfloat *>(inst->lightmap_sh->sh));
 					}
-
 					prev_inst = inst;
 				}
 			}
 
+			prev_shader = shader;
+			prev_variant = instance_variant;
+			prev_spec_constants = spec_constants;
+
 			// Pass in reflection probe data
 			if constexpr (p_pass_mode == PASS_MODE_COLOR || p_pass_mode == PASS_MODE_COLOR_TRANSPARENT) {
 				if (pass == 0 && inst->reflection_probe_rid_cache.size() > 0) {

drivers/gles3/shaders/canvas.glsl

@@ -578,7 +578,8 @@ void main() {
 
 #endif
 	if (bool(read_draw_data_flags & FLAGS_CLIP_RECT_UV)) {
-		uv = clamp(uv, read_draw_data_src_rect.xy, read_draw_data_src_rect.xy + abs(read_draw_data_src_rect.zw));
+		vec2 half_texpixel = read_draw_data_color_texture_pixel_size * 0.5;
+		uv = clamp(uv, read_draw_data_src_rect.xy + half_texpixel, read_draw_data_src_rect.xy + abs(read_draw_data_src_rect.zw) - half_texpixel);
 	}
 
 #endif

drivers/gles3/shaders/particles.glsl

@@ -453,14 +453,14 @@ void main() {
 
 					vec3 uvw_pos = vec3(local_pos_bottom / colliders[i].extents.xyz) * 0.5 + 0.5;
 
-					float y = 1.0 - texture(height_field_texture, uvw_pos.xz).r;
+					float y = texture(height_field_texture, uvw_pos.xz).r;
 
 					if (y + EPSILON > uvw_pos.y) {
 						//inside heightfield
 
 						vec3 pos1 = (vec3(uvw_pos.x, y, uvw_pos.z) * 2.0 - 1.0) * colliders[i].extents.xyz;
-						vec3 pos2 = (vec3(uvw_pos.x + DELTA, 1.0 - texture(height_field_texture, uvw_pos.xz + vec2(DELTA, 0)).r, uvw_pos.z) * 2.0 - 1.0) * colliders[i].extents.xyz;
-						vec3 pos3 = (vec3(uvw_pos.x, 1.0 - texture(height_field_texture, uvw_pos.xz + vec2(0, DELTA)).r, uvw_pos.z + DELTA) * 2.0 - 1.0) * colliders[i].extents.xyz;
+						vec3 pos2 = (vec3(uvw_pos.x + DELTA, texture(height_field_texture, uvw_pos.xz + vec2(DELTA, 0)).r, uvw_pos.z) * 2.0 - 1.0) * colliders[i].extents.xyz;
+						vec3 pos3 = (vec3(uvw_pos.x, texture(height_field_texture, uvw_pos.xz + vec2(0, DELTA)).r, uvw_pos.z + DELTA) * 2.0 - 1.0) * colliders[i].extents.xyz;
 
 						normal = normalize(cross(pos1 - pos2, pos1 - pos3));
 						float local_y = (vec3(local_pos / colliders[i].extents.xyz) * 0.5 + 0.5).y;

editor/plugins/gizmos/reflection_probe_gizmo_plugin.cpp

@@ -167,13 +167,6 @@ void ReflectionProbeGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 		aabb.position = -size / 2;
 		aabb.size = size;
 
-		for (int i = 0; i < 12; i++) {
-			Vector3 a, b;
-			aabb.get_edge(i, a, b);
-			lines.push_back(a);
-			lines.push_back(b);
-		}
-
 		for (int i = 0; i < 8; i++) {
 			Vector3 ep = aabb.get_endpoint(i);
 			internal_lines.push_back(probe->get_origin_offset());

platform/web/doc_classes/EditorExportPlatformWeb.xml

@@ -87,10 +87,10 @@
 			If [code]false[/code], the exported game will not support threads. As a result, it is more prone to performance and audio issues, but will only require to be run on an HTTPS website.
 		</member>
 		<member name="vram_texture_compression/for_desktop" type="bool" setter="" getter="">
-			If [code]true[/code], allows textures to be optimized for desktop through the S3TC algorithm.
+			If [code]true[/code], allows textures to be optimized for desktop through the S3TC/BPTC algorithm.
 		</member>
 		<member name="vram_texture_compression/for_mobile" type="bool" setter="" getter="">
-			If [code]true[/code] allows textures to be optimized for mobile through the ETC2 algorithm.
+			If [code]true[/code] allows textures to be optimized for mobile through the ETC2/ASTC algorithm.
 		</member>
 	</members>
 </class>

platform/web/export/export_plugin.cpp

@@ -336,9 +336,11 @@ Error EditorExportPlatformWeb::_build_pwa(const Ref<EditorExportPreset> &p_prese
 void EditorExportPlatformWeb::get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const {
 	if (p_preset->get("vram_texture_compression/for_desktop")) {
 		r_features->push_back("s3tc");
+		r_features->push_back("bptc");
 	}
 	if (p_preset->get("vram_texture_compression/for_mobile")) {
 		r_features->push_back("etc2");
+		r_features->push_back("astc");
 	}
 	if (p_preset->get("variant/thread_support").operator bool()) {
 		r_features->push_back("threads");

platform/windows/display_server_windows.cpp

@@ -6292,7 +6292,10 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
 	}
 
 	WindowID main_window = _create_window(p_mode, p_vsync_mode, p_flags, Rect2i(window_position, p_resolution), false, INVALID_WINDOW_ID);
-	ERR_FAIL_COND_MSG(main_window == INVALID_WINDOW_ID, "Failed to create main window.");
+	if (main_window == INVALID_WINDOW_ID) {
+		r_error = ERR_UNAVAILABLE;
+		ERR_FAIL_MSG("Failed to create main window.");
+	}
 
 	joypad = new JoypadWindows(&windows[MAIN_WINDOW_ID].hWnd);
 

scene/3d/reflection_probe.cpp

@@ -187,8 +187,8 @@ ReflectionProbe::UpdateMode ReflectionProbe::get_update_mode() const {
 
 AABB ReflectionProbe::get_aabb() const {
 	AABB aabb;
-	aabb.position = -origin_offset;
-	aabb.size = origin_offset + size / 2;
+	aabb.position = -size / 2;
+	aabb.size = size;
 	return aabb;
 }
 

scene/resources/multimesh.cpp

@@ -197,6 +197,9 @@ Vector<Color> MultiMesh::_get_custom_data_array() const {
 #endif // DISABLE_DEPRECATED
 
 void MultiMesh::set_buffer(const Vector<float> &p_buffer) {
+	if (instance_count == 0) {
+		return;
+	}
 	RS::get_singleton()->multimesh_set_buffer(multimesh, p_buffer);
 }
 

scene/resources/texture_rd.cpp

@@ -199,7 +199,7 @@ void TextureLayeredRD::_set_texture_rd_rid(RID p_texture_rd_rid) {
 
 	RS::TextureLayeredType rs_layer_type;
 	RD::TextureFormat tf = RD::get_singleton()->texture_get_format(p_texture_rd_rid);
-	ERR_FAIL_COND(tf.texture_type != RD::TEXTURE_TYPE_2D_ARRAY);
+	ERR_FAIL_COND(tf.texture_type != RD::TEXTURE_TYPE_2D_ARRAY && tf.texture_type != RD::TEXTURE_TYPE_CUBE && tf.texture_type != RD::TEXTURE_TYPE_CUBE_ARRAY);
 	ERR_FAIL_COND(tf.depth > 1);
 	switch (layer_type) {
 		case LAYERED_TYPE_2D_ARRAY: {