Added external camera feed from external plugin on Android

doc/classes/CameraFeed.xml

@@ -34,6 +34,21 @@
 				Returns the position of camera on the device.
 			</description>
 		</method>
+		<method name="get_texture_tex_id">
+			<return type="int" />
+			<param index="0" name="feed_image_type" type="int" enum="CameraServer.FeedImage" />
+			<description>
+				Returns the texture backend ID (usable by some external libraries that need a handle to a texture to write data).
+			</description>
+		</method>
+		<method name="set_external">
+			<return type="void" />
+			<param index="0" name="width" type="int" />
+			<param index="1" name="height" type="int" />
+			<description>
+				Sets the feed as external feed provided by another library.
+			</description>
+		</method>
 		<method name="set_format">
 			<return type="bool" />
 			<param index="0" name="index" type="int" />
@@ -110,6 +125,9 @@
 		<constant name="FEED_YCBCR_SEP" value="3" enum="FeedDataType">
 			Feed supplies separate Y and CbCr images that need to be combined and converted to RGB.
 		</constant>
+		<constant name="FEED_EXTERNAL" value="4" enum="FeedDataType">
+			Feed supplies external image.
+		</constant>
 		<constant name="FEED_UNSPECIFIED" value="0" enum="FeedPosition">
 			Unspecified position.
 		</constant>

doc/classes/RenderingServer.xml

@@ -1278,6 +1278,14 @@
 				Sets the intensity of the background color.
 			</description>
 		</method>
+		<method name="environment_set_camera_id">
+			<return type="void" />
+			<param index="0" name="env" type="RID" />
+			<param index="1" name="id" type="int" />
+			<description>
+				Sets the camera ID to be used as environment background.
+			</description>
+		</method>
 		<method name="environment_set_canvas_max_layer">
 			<return type="void" />
 			<param index="0" name="env" type="RID" />

drivers/gles3/effects/feed_effects.cpp

@@ -0,0 +1,128 @@
+/**************************************************************************/
+/*  feed_effects.cpp                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifdef GLES3_ENABLED
+
+#include "feed_effects.h"
+
+#ifdef ANDROID_ENABLED
+#include <GLES3/gl3ext.h>
+#endif
+
+#define GL_PROGRAM_POINT_SIZE 0x8642
+
+using namespace GLES3;
+
+FeedEffects *FeedEffects::singleton = nullptr;
+
+FeedEffects *FeedEffects::get_singleton() {
+	return singleton;
+}
+
+FeedEffects::FeedEffects() {
+	singleton = this;
+
+	feed.shader.initialize();
+	feed.shader_version = feed.shader.version_create();
+	feed.shader.version_bind_shader(feed.shader_version, FeedShaderGLES3::MODE_DEFAULT);
+
+	{ // Screen Triangle.
+		glGenBuffers(1, &screen_triangle);
+		glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
+
+		const float qv[6] = {
+			-1.0f,
+			-1.0f,
+			3.0f,
+			-1.0f,
+			-1.0f,
+			3.0f,
+		};
+
+		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6, qv, GL_STATIC_DRAW);
+		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
+
+		glGenVertexArrays(1, &screen_triangle_array);
+		glBindVertexArray(screen_triangle_array);
+		glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
+		glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 2, nullptr);
+		glEnableVertexAttribArray(RS::ARRAY_VERTEX);
+		glBindVertexArray(0);
+		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
+	}
+}
+
+FeedEffects::~FeedEffects() {
+	singleton = nullptr;
+	glDeleteBuffers(1, &screen_triangle);
+	glDeleteVertexArrays(1, &screen_triangle_array);
+	feed.shader.version_free(feed.shader_version);
+}
+
+Transform3D transform3D_from_mat4(const float *p_mat4) {
+	Transform3D res;
+
+	res.basis.rows[0][0] = p_mat4[0];
+	res.basis.rows[1][0] = p_mat4[1];
+	res.basis.rows[2][0] = p_mat4[2];
+	// p_mat4[3] = 0;
+	res.basis.rows[0][1] = p_mat4[4];
+	res.basis.rows[1][1] = p_mat4[5];
+	res.basis.rows[2][1] = p_mat4[6];
+	// p_mat4[7] = 0;
+	res.basis.rows[0][2] = p_mat4[8];
+	res.basis.rows[1][2] = p_mat4[9];
+	res.basis.rows[2][2] = p_mat4[10];
+	// p_mat4[11] = 0;
+	res.origin.x = p_mat4[12];
+	res.origin.y = p_mat4[13];
+	res.origin.z = p_mat4[14];
+	// p_mat4[15] = 1;
+
+	return res;
+}
+
+void FeedEffects::draw() {
+	bool success = feed.shader.version_bind_shader(feed.shader_version, FeedShaderGLES3::MODE_DEFAULT, FeedShaderGLES3::USE_EXTERNAL_SAMPLER);
+	if (!success) {
+		OS::get_singleton()->print("Godot : FeedShaderGLES3 Could not bind version_bind_shader USE_EXTERNAL_SAMPLER");
+		return;
+	}
+
+	draw_screen_triangle();
+}
+
+void FeedEffects::draw_screen_triangle() {
+	glBindVertexArray(screen_triangle_array);
+	glDrawArrays(GL_TRIANGLES, 0, 3);
+	glBindVertexArray(0);
+}
+
+#endif // GLES3_ENABLED

drivers/gles3/effects/feed_effects.h

@@ -0,0 +1,68 @@
+/**************************************************************************/
+/*  feed_effects.h                                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef FEED_EFFECTS_GLES3_H
+#define FEED_EFFECTS_GLES3_H
+
+#ifdef GLES3_ENABLED
+
+#include "drivers/gles3/shaders/feed.glsl.gen.h"
+
+namespace GLES3 {
+
+class FeedEffects {
+private:
+	struct Feed {
+		FeedShaderGLES3 shader;
+		RID shader_version;
+	} feed;
+
+	static FeedEffects *singleton;
+
+	GLuint screen_triangle = 0;
+	GLuint screen_triangle_array = 0;
+
+public:
+	static FeedEffects *get_singleton();
+
+	FeedEffects();
+	~FeedEffects();
+
+	void draw();
+
+private:
+	void draw_screen_triangle();
+};
+
+} // namespace GLES3
+
+#endif // GLES3_ENABLED
+
+#endif // FEED_EFFECTS_GLES3_H

drivers/gles3/rasterizer_gles3.cpp

@@ -213,6 +213,7 @@ void RasterizerGLES3::finalize() {
 	memdelete(glow);
 	memdelete(cubemap_filter);
 	memdelete(copy_effects);
+	memdelete(feed_effects);
 	memdelete(light_storage);
 	memdelete(particles_storage);
 	memdelete(mesh_storage);
@@ -361,6 +362,7 @@ RasterizerGLES3::RasterizerGLES3() {
 	cubemap_filter = memnew(GLES3::CubemapFilter);
 	glow = memnew(GLES3::Glow);
 	post_effects = memnew(GLES3::PostEffects);
+	feed_effects = memnew(GLES3::FeedEffects);
 	gi = memnew(GLES3::GI);
 	fog = memnew(GLES3::Fog);
 	canvas = memnew(RasterizerCanvasGLES3());

drivers/gles3/rasterizer_gles3.h

@@ -35,6 +35,7 @@
 
 #include "effects/copy_effects.h"
 #include "effects/cubemap_filter.h"
+#include "effects/feed_effects.h"
 #include "effects/glow.h"
 #include "effects/post_effects.h"
 #include "environment/fog.h"
@@ -74,6 +75,7 @@ protected:
 	GLES3::CubemapFilter *cubemap_filter = nullptr;
 	GLES3::Glow *glow = nullptr;
 	GLES3::PostEffects *post_effects = nullptr;
+	GLES3::FeedEffects *feed_effects = nullptr;
 	RasterizerCanvasGLES3 *canvas = nullptr;
 	RasterizerSceneGLES3 *scene = nullptr;
 	static RasterizerGLES3 *singleton;

drivers/gles3/rasterizer_scene_gles3.cpp

@@ -31,6 +31,7 @@
 #include "rasterizer_scene_gles3.h"
 
 #include "drivers/gles3/effects/copy_effects.h"
+#include "drivers/gles3/effects/feed_effects.h"
 #include "rasterizer_gles3.h"
 #include "storage/config.h"
 #include "storage/mesh_storage.h"
@@ -39,6 +40,8 @@
 
 #include "core/config/project_settings.h"
 #include "core/templates/sort_array.h"
+#include "servers/camera/camera_feed.h"
+#include "servers/camera_server.h"
 #include "servers/rendering/rendering_server_default.h"
 #include "servers/rendering/rendering_server_globals.h"
 
@@ -2382,7 +2385,9 @@ 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_feed = false;
 	float sky_energy_multiplier = 1.0;
+	int camera_feed_id = -1;
 
 	if (unlikely(get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_OVERDRAW)) {
 		clear_color = Color(0, 0, 0, 1); //in overdraw mode, BG should always be black
@@ -2427,6 +2432,8 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 				keep_color = true;
 			} break;
 			case RS::ENV_BG_CAMERA_FEED: {
+				camera_feed_id = environment_get_camera_feed_id(render_data.environment);
+				draw_feed = true;
 			} break;
 			default: {
 			}
@@ -2538,7 +2545,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 		glClear(GL_DEPTH_BUFFER_BIT);
 	}
 
-	if (!keep_color) {
+	if (!keep_color && !draw_feed) {
 		clear_color.a = render_data.transparent_bg ? 0.0f : 1.0f;
 		glClearBufferfv(GL_COLOR, 0, clear_color.components);
 	} else if (fbo != rt->fbo) {
@@ -2578,6 +2585,29 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 			spec_constant_base_flags |= SceneShaderGLES3::APPLY_TONEMAPPING;
 		}
 	}
+
+	if (draw_feed && camera_feed_id > -1) {
+		RENDER_TIMESTAMP("Render Camera feed");
+
+		scene_state.enable_gl_depth_draw(false);
+		scene_state.enable_gl_depth_test(false);
+		scene_state.enable_gl_blend(false);
+		scene_state.set_gl_cull_mode(GLES3::SceneShaderData::CULL_BACK);
+
+		Ref<CameraFeed> feed = CameraServer::get_singleton()->get_feed_by_id(camera_feed_id);
+
+		if (feed.is_valid()) {
+			RID camera_YCBCR = feed->get_texture(CameraServer::FEED_YCBCR_IMAGE);
+			GLES3::TextureStorage::get_singleton()->texture_bind(camera_YCBCR, 0);
+
+			GLES3::FeedEffects *feed_effects = GLES3::FeedEffects::get_singleton();
+			feed_effects->draw();
+		}
+		scene_state.enable_gl_depth_draw(true);
+		scene_state.enable_gl_depth_test(true);
+		scene_state.enable_gl_blend(true);
+	}
+
 	// Render Opaque Objects.
 	RenderListParameters render_list_params(render_list[RENDER_LIST_OPAQUE].elements.ptr(), render_list[RENDER_LIST_OPAQUE].elements.size(), reverse_cull, spec_constant_base_flags, use_wireframe);
 

drivers/gles3/shaders/SCsub

@@ -17,6 +17,7 @@ if "GLES3_GLSL" in env["BUILDERS"]:
 
     # as we have a few, not yet, converted files we name the ones we want to include:
     env.GLES3_GLSL("canvas.glsl")
+    env.GLES3_GLSL("feed.glsl")
     env.GLES3_GLSL("scene.glsl")
     env.GLES3_GLSL("sky.glsl")
     env.GLES3_GLSL("canvas_occlusion.glsl")

drivers/gles3/shaders/feed.glsl

@@ -0,0 +1,39 @@
+/* clang-format off */
+#[modes]
+
+mode_default =
+
+#[specializations]
+
+USE_EXTERNAL_SAMPLER = false
+
+#[vertex]
+
+layout(location = 0) in vec2 vertex_attrib;
+
+out vec2 uv_interp;
+
+
+void main() {
+	uv_interp = vertex_attrib * 0.5 + 0.5;
+	gl_Position = vec4(vertex_attrib, 1.0, 1.0);
+}
+
+/* clang-format off */
+#[fragment]
+
+layout(location = 0) out vec4 frag_color;
+in vec2 uv_interp;
+
+/* clang-format on */
+#ifdef USE_EXTERNAL_SAMPLER
+uniform samplerExternalOES sourceFeed; // texunit:0
+#else
+uniform sampler2D sourceFeed; // texunit:0
+#endif
+
+void main() {
+	vec4 color = texture(sourceFeed, uv_interp);
+
+	frag_color = color;
+}

scene/resources/environment.cpp

@@ -130,10 +130,7 @@ int Environment::get_canvas_max_layer() const {
 
 void Environment::set_camera_feed_id(int p_id) {
 	bg_camera_feed_id = p_id;
-// FIXME: Disabled during Vulkan refactoring, should be ported.
+	RS::get_singleton()->environment_set_camera_feed_id(environment, bg_camera_feed_id);
-#if 0
-	RS::get_singleton()->environment_set_camera_feed_id(environment, camera_feed_id);
-#endif
 }
 
 int Environment::get_camera_feed_id() const {

servers/camera/camera_feed.cpp

@@ -50,6 +50,8 @@ void CameraFeed::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_rgb_image", "rgb_image"), &CameraFeed::set_rgb_image);
 	ClassDB::bind_method(D_METHOD("set_ycbcr_image", "ycbcr_image"), &CameraFeed::set_ycbcr_image);
+	ClassDB::bind_method(D_METHOD("set_external", "width", "height"), &CameraFeed::set_external);
+	ClassDB::bind_method(D_METHOD("get_texture_tex_id", "feed_image_type"), &CameraFeed::get_texture_tex_id);
 
 	ClassDB::bind_method(D_METHOD("get_datatype"), &CameraFeed::get_datatype);
 
@@ -68,6 +70,7 @@ void CameraFeed::_bind_methods() {
 	BIND_ENUM_CONSTANT(FEED_RGB);
 	BIND_ENUM_CONSTANT(FEED_YCBCR);
 	BIND_ENUM_CONSTANT(FEED_YCBCR_SEP);
+	BIND_ENUM_CONSTANT(FEED_EXTERNAL);
 
 	BIND_ENUM_CONSTANT(FEED_UNSPECIFIED);
 	BIND_ENUM_CONSTANT(FEED_FRONT);
@@ -137,6 +140,10 @@ RID CameraFeed::get_texture(CameraServer::FeedImage p_which) {
 	return texture[p_which];
 }
 
+uint64_t CameraFeed::get_texture_tex_id(CameraServer::FeedImage p_which) {
+	return RenderingServer::get_singleton()->texture_get_native_handle(texture[p_which]);
+}
+
 CameraFeed::CameraFeed() {
 	// initialize our feed
 	id = CameraServer::get_singleton()->get_free_id();
@@ -252,6 +259,19 @@ void CameraFeed::set_ycbcr_images(const Ref<Image> &p_y_img, const Ref<Image> &p
 	}
 }
 
+void CameraFeed::set_external(int p_width, int p_height) {
+	if ((base_width != p_width) || (base_height != p_height)) {
+		// We're assuming here that our camera image doesn't change around formats etc, allocate the whole lot...
+		base_width = p_width;
+		base_height = p_height;
+
+		auto new_texture = RenderingServer::get_singleton()->texture_external_create(p_width, p_height, 0);
+		RenderingServer::get_singleton()->texture_replace(texture[CameraServer::FEED_YCBCR_IMAGE], new_texture);
+	}
+
+	datatype = CameraFeed::FEED_EXTERNAL;
+}
+
 bool CameraFeed::activate_feed() {
 	// nothing to do here
 	return true;

servers/camera/camera_feed.h

@@ -49,7 +49,8 @@ public:
 		FEED_NOIMAGE, // we don't have an image yet
 		FEED_RGB, // our texture will contain a normal RGB texture that can be used directly
 		FEED_YCBCR, // our texture will contain a YCbCr texture that needs to be converted to RGB before output
-		FEED_YCBCR_SEP // our camera is split into two textures, first plane contains Y data, second plane contains CbCr data
+		FEED_YCBCR_SEP, // our camera is split into two textures, first plane contains Y data, second plane contains CbCr data
+		FEED_EXTERNAL, // specific for android atm, camera feed is managed externally, assumed RGB for now
 	};
 
 	enum FeedPosition {
@@ -104,6 +105,7 @@ public:
 	void set_transform(const Transform2D &p_transform);
 
 	RID get_texture(CameraServer::FeedImage p_which);
+	uint64_t get_texture_tex_id(CameraServer::FeedImage p_which);
 
 	CameraFeed();
 	CameraFeed(String p_name, FeedPosition p_position = CameraFeed::FEED_UNSPECIFIED);
@@ -113,6 +115,7 @@ public:
 	void set_rgb_image(const Ref<Image> &p_rgb_img);
 	void set_ycbcr_image(const Ref<Image> &p_ycbcr_img);
 	void set_ycbcr_images(const Ref<Image> &p_y_img, const Ref<Image> &p_cbcr_img);
+	void set_external(int p_width, int p_height);
 
 	virtual bool set_format(int p_index, const Dictionary &p_parameters);
 	virtual Array get_formats() const;

servers/rendering/renderer_scene_cull.h

@@ -1255,6 +1255,7 @@ public:
 	PASS3(environment_set_bg_energy, RID, float, float)
 	PASS2(environment_set_canvas_max_layer, RID, int)
 	PASS6(environment_set_ambient_light, RID, const Color &, RS::EnvironmentAmbientSource, float, float, RS::EnvironmentReflectionSource)
+	PASS2(environment_set_camera_feed_id, RID, int)
 
 	PASS1RC(RS::EnvironmentBG, environment_get_background, RID)
 	PASS1RC(RID, environment_get_sky, RID)

servers/rendering/renderer_scene_render.cpp

@@ -349,6 +349,14 @@ RS::EnvironmentReflectionSource RendererSceneRender::environment_get_reflection_
 	return environment_storage.environment_get_reflection_source(p_env);
 }
 
+void RendererSceneRender::environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) {
+	environment_storage.environment_set_camera_feed_id(p_env, p_camera_feed_id);
+}
+
+int RendererSceneRender::environment_get_camera_feed_id(RID p_env) const {
+	return environment_storage.environment_get_camera_feed_id(p_env);
+}
+
 // Tonemap
 
 void RendererSceneRender::environment_set_tonemap(RID p_env, RS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white) {

servers/rendering/renderer_scene_render.h

@@ -118,10 +118,7 @@ public:
 	void environment_set_bg_energy(RID p_env, float p_multiplier, float p_exposure_value);
 	void environment_set_canvas_max_layer(RID p_env, int p_max_layer);
 	void environment_set_ambient_light(RID p_env, const Color &p_color, RS::EnvironmentAmbientSource p_ambient = RS::ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, RS::EnvironmentReflectionSource p_reflection_source = RS::ENV_REFLECTION_SOURCE_BG);
-// FIXME: Disabled during Vulkan refactoring, should be ported.
-#if 0
 	void environment_set_camera_feed_id(RID p_env, int p_camera_feed_id);
-#endif
 
 	RS::EnvironmentBG environment_get_background(RID p_env) const;
 	RID environment_get_sky(RID p_env) const;
@@ -136,6 +133,7 @@ public:
 	float environment_get_ambient_light_energy(RID p_env) const;
 	float environment_get_ambient_sky_contribution(RID p_env) const;
 	RS::EnvironmentReflectionSource environment_get_reflection_source(RID p_env) const;
+	int environment_get_camera_feed_id(RID p_env) const;
 
 	// Tonemap
 	void environment_set_tonemap(RID p_env, RS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white);

servers/rendering/rendering_method.h

@@ -168,6 +168,7 @@ public:
 	virtual void environment_set_bg_energy(RID p_env, float p_multiplier, float p_exposure_value) = 0;
 	virtual void environment_set_canvas_max_layer(RID p_env, int p_max_layer) = 0;
 	virtual void environment_set_ambient_light(RID p_env, const Color &p_color, RS::EnvironmentAmbientSource p_ambient = RS::ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, RS::EnvironmentReflectionSource p_reflection_source = RS::ENV_REFLECTION_SOURCE_BG) = 0;
+	virtual void environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) = 0;
 
 	virtual RS::EnvironmentBG environment_get_background(RID p_Env) const = 0;
 	virtual RID environment_get_sky(RID p_env) const = 0;

servers/rendering/rendering_server_default.h

@@ -785,10 +785,8 @@ public:
 	FUNC2(environment_set_canvas_max_layer, RID, int)
 	FUNC6(environment_set_ambient_light, RID, const Color &, EnvironmentAmbientSource, float, float, EnvironmentReflectionSource)
 
-// FIXME: Disabled during Vulkan refactoring, should be ported.
-#if 0
 	FUNC2(environment_set_camera_feed_id, RID, int)
-#endif
+
 	FUNC6(environment_set_ssr, RID, bool, int, float, float, float)
 	FUNC1(environment_set_ssr_roughness_quality, EnvironmentSSRRoughnessQuality)
 

servers/rendering/storage/environment_storage.cpp

@@ -189,6 +189,18 @@ RS::EnvironmentReflectionSource RendererEnvironmentStorage::environment_get_refl
 	return env->reflection_source;
 }
 
+void RendererEnvironmentStorage::environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) {
+	Environment *env = environment_owner.get_or_null(p_env);
+	ERR_FAIL_NULL(env);
+	env->camera_feed_id = p_camera_feed_id;
+}
+
+int RendererEnvironmentStorage::environment_get_camera_feed_id(RID p_env) const {
+	Environment *env = environment_owner.get_or_null(p_env);
+	ERR_FAIL_NULL_V(env, -1);
+	return env->camera_feed_id;
+}
+
 // Tonemap
 
 void RendererEnvironmentStorage::environment_set_tonemap(RID p_env, RS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white) {

servers/rendering/storage/environment_storage.h

@@ -57,6 +57,7 @@ private:
 		float ambient_light_energy = 1.0;
 		float ambient_sky_contribution = 1.0;
 		RS::EnvironmentReflectionSource reflection_source = RS::ENV_REFLECTION_SOURCE_BG;
+		int camera_feed_id = 0;
 
 		// Tonemap
 		RS::EnvironmentToneMapper tone_mapper;
@@ -181,10 +182,8 @@ public:
 	void environment_set_bg_energy(RID p_env, float p_multiplier, float p_exposure_value);
 	void environment_set_canvas_max_layer(RID p_env, int p_max_layer);
 	void environment_set_ambient_light(RID p_env, const Color &p_color, RS::EnvironmentAmbientSource p_ambient = RS::ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, RS::EnvironmentReflectionSource p_reflection_source = RS::ENV_REFLECTION_SOURCE_BG);
-// FIXME: Disabled during Vulkan refactoring, should be ported.
-#if 0
 	void environment_set_camera_feed_id(RID p_env, int p_camera_feed_id);
-#endif
+	int environment_get_camera_feed_id(RID p_env) const;
 
 	RS::EnvironmentBG environment_get_background(RID p_env) const;
 	RID environment_get_sky(RID p_env) const;

servers/rendering_server.cpp

@@ -2979,6 +2979,7 @@ void RenderingServer::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("environment_create"), &RenderingServer::environment_create);
 	ClassDB::bind_method(D_METHOD("environment_set_background", "env", "bg"), &RenderingServer::environment_set_background);
+	ClassDB::bind_method(D_METHOD("environment_set_camera_id", "env", "id"), &RenderingServer::environment_set_camera_feed_id);
 	ClassDB::bind_method(D_METHOD("environment_set_sky", "env", "sky"), &RenderingServer::environment_set_sky);
 	ClassDB::bind_method(D_METHOD("environment_set_sky_custom_fov", "env", "scale"), &RenderingServer::environment_set_sky_custom_fov);
 	ClassDB::bind_method(D_METHOD("environment_set_sky_orientation", "env", "orientation"), &RenderingServer::environment_set_sky_orientation);

servers/rendering_server.h

@@ -1179,6 +1179,7 @@ public:
 	virtual void environment_set_bg_energy(RID p_env, float p_multiplier, float p_exposure_value) = 0;
 	virtual void environment_set_canvas_max_layer(RID p_env, int p_max_layer) = 0;
 	virtual void environment_set_ambient_light(RID p_env, const Color &p_color, EnvironmentAmbientSource p_ambient = ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, EnvironmentReflectionSource p_reflection_source = ENV_REFLECTION_SOURCE_BG) = 0;
+	virtual void environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) = 0;
 
 	enum EnvironmentGlowBlendMode {
 		ENV_GLOW_BLEND_MODE_ADDITIVE,