first works of omni shadows

src/core/core/glcubemaparray.cpp

@@ -0,0 +1,108 @@
+/*
+	QGL CubeMapArray
+    Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define GL_GLEXT_PROTOTYPES
+#include "glcubemaparray.h"
+
+#include <QOpenGLExtraFunctions>
+
+
+CubeMapArray::CubeMapArray(GLenum format, bool filter) {
+	target_    = GL_TEXTURE_CUBE_MAP_ARRAY;
+	format_    = format;
+	texture_   = 0;
+	layers_    = 0;
+	filtering_ = filter;
+}
+
+
+CubeMapArray::~CubeMapArray() {}
+
+
+void CubeMapArray::init(QOpenGLExtraFunctions * f) {
+	if (!isInit()) {
+		f->glGenTextures(1, &texture_);
+	}
+}
+
+
+void CubeMapArray::destroy(QOpenGLExtraFunctions * f) {
+	if (texture_ != 0) {
+		f->glDeleteTextures(1, &texture_);
+	}
+	texture_ = 0;
+}
+
+
+void CubeMapArray::reinit() {
+	texture_ = 0;
+	layers_  = 0;
+}
+
+
+void CubeMapArray::bind(QOpenGLExtraFunctions * f, int channel) {
+	f->glActiveTexture(GL_TEXTURE0 + channel);
+	f->glBindTexture(target_, texture_);
+}
+
+
+void CubeMapArray::release(QOpenGLExtraFunctions * f) {
+	f->glBindTexture(target_, 0);
+}
+
+
+bool CubeMapArray::resize(QOpenGLExtraFunctions * f, QSize new_size, int layers_count) {
+	if (new_size.isNull() || layers_count <= 0) return false;
+	if ((size_ == new_size) && (layers_ >= layers_count)) return false;
+	size_   = new_size;
+	layers_ = layers_count;
+	f->glBindTexture(target_, texture_);
+	f->glTexParameteri(target_, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	f->glTexParameteri(target_, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	if (filtering_) {
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_MAX_ANISOTROPY_EXT, 8);
+	} else {
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	}
+	GLenum bformat = format_;
+	GLenum btype   = GL_UNSIGNED_BYTE;
+	if (format_ == GL_R16F || format_ == GL_R32F) {
+		bformat = GL_RED;
+		btype   = GL_FLOAT;
+	}
+	f->glTexImage3D(target_, 0, format_, size_.width(), size_.height(), layers_ * 6, 0, bformat, btype, nullptr);
+	return true;
+}
+
+
+void CubeMapArray::load(QOpenGLExtraFunctions * f, const QImage & image, int layer) {
+	if (image.isNull() || size_.isNull() || layer < 0 || layer >= layers_) return;
+	QImage im =
+		image.mirrored(false, true).scaled(size_, Qt::IgnoreAspectRatio, Qt::SmoothTransformation).convertToFormat(QImage::Format_RGBA8888);
+	// qDebug() << "CubeMapArray::load image" << image.size() << "to layer" << layer;
+	// f->glTexSubImage3D(target_, 0, 0, 0, layer, size_.width(), size_.height(), 1, GL_RGBA, GL_UNSIGNED_BYTE, im.constBits());
+}
+
+
+void CubeMapArray::mipmaps(QOpenGLExtraFunctions * f) {
+	f->glBindTexture(target_, texture_);
+	f->glGenerateMipmap(target_);
+}

src/core/core/glcubemaparray.h

@@ -0,0 +1,55 @@
+/*
+    QGL Texture2DArray
+    Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef GLCUBEMAPARRAY_H
+#define GLCUBEMAPARRAY_H
+
+#include "gltypes.h"
+
+
+class QGLENGINE_CORE_EXPORT CubeMapArray {
+public:
+	CubeMapArray(GLenum format, bool filter);
+	~CubeMapArray();
+
+	void init(QOpenGLExtraFunctions * f);
+	void destroy(QOpenGLExtraFunctions * f);
+	void reinit();
+
+	void bind(QOpenGLExtraFunctions * f, int channel = 0);
+	void release(QOpenGLExtraFunctions * f);
+
+	// returns true if size changed
+	bool resize(QOpenGLExtraFunctions * f, QSize new_size, int layers_count);
+	void load(QOpenGLExtraFunctions * f, const QImage & image, int layer);
+	void mipmaps(QOpenGLExtraFunctions * f);
+
+	GLuint ID() const { return texture_; }
+	bool isInit() const { return texture_ != 0; }
+	int layersCount() const { return layers_; }
+
+private:
+	GLenum target_, format_;
+	GLuint texture_;
+	QSize size_;
+	int layers_;
+	bool filtering_;
+};
+
+
+#endif // GLCUBEMAPARRAY_H

src/core/core/glshaders_types.h

@@ -108,6 +108,7 @@ enum TextureArrayRole {
 	tarEmpty       = 10,
 	tarMaps        = 11,
 	tarShadowsCone = 12,
+	tarShadowsOmni = 13,
 };
 enum EmptyMapRole {
 	emrWhite = 0,

src/core/render/renderer.cpp

@@ -40,6 +40,31 @@ Renderer::Renderer(QGLView * view_)
 	, rend_selection(this)
 	, tone_proc(this)
 	, tex_env(view_, 512) {
+	mat_norm_to_tex_coord.scale(0.5, 0.5);
+	mat_norm_to_tex_coord.translate(1, 1);
+	mat_proj_90 = glMatrixPerspective(90., 1., 0.1);
+	for (int i = 0; i < 6; ++i) {
+		QMatrix4x4 fvm;
+		switch (i) {
+		case 0:
+			fvm.rotate(-90., QVector3D(0, 1, 0));
+			fvm.rotate(180., QVector3D(0, 0, 1));
+			break;
+		case 1:
+			fvm.rotate(90., QVector3D(0, 1, 0));
+			fvm.rotate(180., QVector3D(0, 0, 1));
+			break;
+		case 2: fvm.rotate(-90., QVector3D(1, 0, 0)); break;
+		case 3: fvm.rotate(90., QVector3D(1, 0, 0)); break;
+		case 4:
+			fvm.rotate(180., QVector3D(0, 0, 1));
+			fvm.rotate(180., QVector3D(0, 1, 0));
+			break;
+		case 5: fvm.rotate(180., QVector3D(0, 0, 1)); break;
+		}
+		mat_faces[i] = fvm;
+	}
+
 	quad                 = Primitive::plane(2., 2.);
 	cam_light            = new Light();
 	cam_light->intensity = 0.75;
@@ -61,10 +86,12 @@ Renderer::Renderer(QGLView * view_)
 	shader_files[srFinalPass]               = "ds_final.glsl";
 	shader_files[srTonemapPass]             = "ds_tonemap.glsl";
 
-	shader_files[srShadowPass]              = "shadow.glsl";
+	shader_files[srShadowConePass]          = "shadow.glsl";
+	shader_files[srShadowOmniPass]          = "shadow.glsl";
 
 	shader_defines[srGeometrySolidPass] << "SOLID";
 	shader_defines[srLightSpotPass] << "SPOT";
+	shader_defines[srShadowOmniPass] << "OMNI";
 
 	edit_mode = need_init_shaders = true;
 	camera_light_mode             = QGLView::clmAuto;
@@ -89,6 +116,7 @@ void Renderer::init(int width, int height) {
 	textures_maps.reinit();
 	textures_empty.reinit();
 	shadow_maps_cone.reinit();
+	shadow_maps_omni.reinit();
 	resize(width, height);
 	rend_mat.init(width, height);
 	rend_service.init(width, height);
@@ -115,6 +143,7 @@ void Renderer::resize(int width, int height) {
 
 
 void Renderer::reloadShaders() {
+	__reinit_debug = true;
 	QMapIterator<ShaderRole, QString> it(shader_files);
 	qDeleteAll(shaders.values());
 	shaders.clear();
@@ -122,7 +151,7 @@ void Renderer::reloadShaders() {
 	shader_fxaa = nullptr;
 	if (tone_proc.shader_sum) delete tone_proc.shader_sum;
 	tone_proc.shader_sum = nullptr;
-	QString dir          = ":/shaders/";
+	QString dir          = "./shaders/";
 	while (it.hasNext()) {
 		it.next();
 		loadShadersMulti(shaders[it.key()], dir + it.value(), true, shader_defines.value(it.key()));
@@ -165,9 +194,6 @@ bool Renderer::bindShader(QOpenGLShaderProgram * sp) {
 void Renderer::initShaders() {
 	if (!need_init_shaders) return;
 	need_init_shaders           = false;
-	// initUniformBuffer(shaders.value(srGeometrySolidPass), &buffer_materials, bpMaterials, "QGLMaterialData");
-	// initUniformBuffer(shaders.value(srGeometryTransparentPass), &buffer_materials, bpMaterials, "QGLMaterialData");
-	// initUniformBuffer(shaders.value(srShadowPass), &buffer_materials, bpMaterials, "QGLMaterialData");
 	QOpenGLShaderProgram * prog = 0;
 	for (ShaderRole role: {srLightOmniPass, srLightSpotPass}) {
 		if (!bindShader(role, &prog)) continue;
@@ -188,7 +214,7 @@ void Renderer::initShaders() {
 		prog->setUniformValue("tex_t_0", 3);
 		prog->setUniformValue("tex_t_1", 4);
 	}
-	for (ShaderRole role: {srGeometrySolidPass, srGeometryTransparentPass, srShadowPass}) {
+	for (ShaderRole role: {srGeometrySolidPass, srGeometryTransparentPass, srShadowConePass, srShadowOmniPass}) {
 		if (!bindShader(role, &prog)) continue;
 		initUniformBuffer(prog, &buffer_materials, bpMaterials, "QGLMaterialData");
 		setUniformMaps(prog);
@@ -317,16 +343,71 @@ void Renderer::renderLight(int first_wr_buff, bool clear_only) {
 			prog->setUniformValue("view_mat", cam->viewMatrix().inverted().toGenericMatrix<3, 3>());
 			prog->setUniformValue("shadow_size", view->shadow_map_size);
 			prog->setUniformValue("tex_shadows_cone", (int)tarShadowsCone);
+			prog->setUniformValue("tex_shadows_omni", (int)tarShadowsOmni);
 			prog->setUniformValue("soft_shadows_enabled", view->soft_shadows);
 			prog->setUniformValue("soft_shadows_samples", view->soft_shadows_samples);
 			shadow_maps_cone.bind(view, tarShadowsCone);
+			shadow_maps_omni.bind(view, tarShadowsOmni);
 			renderQuad(prog, quad, cam);
 		}
 	}
 }
 
 
-void Renderer::renderShadow(int index, Light * light) {
+void Renderer::renderConeShadows() {
+	QOpenGLExtraFunctions * f   = view;
+	QOpenGLShaderProgram * prog = 0;
+	if (bindShader(srShadowConePass, &prog)) {
+		glEnableDepth();
+		textures_empty.bind(f, tarEmpty);
+		textures_maps.bind(f, tarMaps);
+		auto cone_ll = cur_lights.value(Light::Cone);
+		shadow_maps_cone.resize(f, view->shadow_map_size, cone_ll.size());
+		for (int i = 0; i < cone_ll.size(); ++i) {
+			Light * l     = cone_ll[i];
+			QMatrix4x4 pm = glMatrixPerspective(l->angle_end, 1., 0.1), om, vm;
+			om.translate(-l->worldAim());
+			vm.translate(0., 0., -l->distance());
+			// vm.rotate(-roll_, 0., 0., 1.);
+			QMatrix4x4 pmat = l->worldTransform();
+			pmat(0, 3) = pmat(1, 3) = pmat(2, 3) = 0.;
+			vm *= pmat.inverted();
+			auto vpm = pm * (vm * om);
+			if (l->isCastShadows()) {
+				prog->setUniformValue("qgl_ViewProjMatrix", vpm);
+				renderConeShadow(i, l);
+			}
+			l->shadow_matrix = mat_norm_to_tex_coord * vpm * mat_camera_fullview_inv;
+		}
+	}
+}
+
+
+void Renderer::renderOmniShadows() {
+	QOpenGLExtraFunctions * f   = view;
+	QOpenGLShaderProgram * prog = 0;
+	if (bindShader(srShadowOmniPass, &prog)) {
+		glEnableDepth();
+		textures_empty.bind(f, tarEmpty);
+		textures_maps.bind(f, tarMaps);
+		auto omni_ll = cur_lights.value(Light::Omni);
+		shadow_maps_omni.resize(f, view->shadow_map_size, omni_ll.size());
+		for (int i = 0; i < omni_ll.size(); ++i) {
+			Light * l = omni_ll[i];
+			QMatrix4x4 om;
+			om.translate(-l->worldPos());
+			// vm.translate(0., 0., -l->distance());
+			// vm.rotate(-roll_, 0., 0., 1.);
+			if (l->isCastShadows()) {
+				renderOmniShadow(i, l, prog, om);
+			}
+			// l->shadow_matrix = mat_norm_to_tex_coord * vpm * mat_camera_fullview_inv;
+		}
+	}
+}
+
+
+void Renderer::renderConeShadow(int index, Light * light) {
 	Scene & scene(*(view->scene()));
 	bool force_resize = false;
 	if (!light->shadow_map.isInit()) {
@@ -336,13 +417,7 @@ void Renderer::renderShadow(int index, Light * light) {
 	light->shadow_map.resize(view->shadow_map_size, force_resize);
 	light->shadow_map.bind();
 
-	if (!framebufferTextureLayer) {
-		framebufferTextureLayer = view->context()->getProcAddress("glFramebufferTextureLayer");
-	}
-	if (framebufferTextureLayer) {
-		((PFNGLFRAMEBUFFERTEXTURELAYERPROC)framebufferTextureLayer)(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, shadow_maps_cone.ID(), 0, index);
-		// glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, shadow_maps_cone.ID(), 0, index);
-	}
+	view->glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, shadow_maps_cone.ID(), 0, index);
 	glDrawBuffer(GL_COLOR_ATTACHMENT0);
 	glClearFramebuffer();
 	renderObjects(scene, rpSolid);
@@ -350,6 +425,36 @@ void Renderer::renderShadow(int index, Light * light) {
 }
 
 
+void Renderer::renderOmniShadow(int index, Light * light, QOpenGLShaderProgram * prog, QMatrix4x4 om) {
+	Scene & scene(*(view->scene()));
+	bool force_resize = false;
+	if (!light->shadow_map.isInit()) {
+		light->shadow_map.reinit(view);
+		force_resize = true;
+	}
+	light->shadow_map.resize(view->shadow_map_size, force_resize);
+	light->shadow_map.bind();
+
+	for (int i = 0; i < 6; ++i) {
+		QMatrix4x4 vm = mat_proj_90 * mat_faces[i] * om;
+		prog->setUniformValue("qgl_ViewProjMatrix", vm);
+		int buff_ind = GL_COLOR_ATTACHMENT0 + i;
+		view->glFramebufferTextureLayer(GL_FRAMEBUFFER, buff_ind, shadow_maps_omni.ID(), 0, index * 6 + i);
+		// static GLenum faces[6] = {GL_COLOR_ATTACHMENT0,
+		//						  GL_COLOR_ATTACHMENT1,
+		//						  GL_COLOR_ATTACHMENT2,
+		//						  GL_COLOR_ATTACHMENT3,
+		//						  GL_COLOR_ATTACHMENT4,
+		//						  GL_COLOR_ATTACHMENT5};
+		// view->glDrawBuffers(6, faces);
+		glDrawBuffer(buff_ind);
+		glClearFramebuffer();
+		renderObjects(scene, rpSolid);
+	}
+	light->shadow_map.release();
+}
+
+
 void Renderer::renderScene() {
 	timings.clear();
 	Measurer phase(&timings);
@@ -363,6 +468,7 @@ void Renderer::renderScene() {
 	QOpenGLShaderProgram * prog = 0;
 	bool scene_changed          = scene.prepare();
 	cur_lights                  = scene.lights_used;
+	mat_camera_fullview_inv     = cam->fullViewMatrix().inverted();
 	scene.destroyUnused(f);
 	phase.end();
 
@@ -383,35 +489,14 @@ void Renderer::renderScene() {
 	}
 	phase.end();
 
-	/// shadows and shadow matrix
-	phase.begin("shadows");
-	if (bindShader(srShadowPass, &prog)) {
-		glEnableDepth();
-		textures_empty.bind(f, tarEmpty);
-		textures_maps.bind(f, tarMaps);
-		auto cam_ivm = cam->fullViewMatrix().inverted();
-		auto cone_ll = cur_lights.value(Light::Cone);
-		shadow_maps_cone.resize(f, view->shadow_map_size, cone_ll.size());
-		QMatrix4x4 mat_vp;
-		mat_vp.scale(0.5, 0.5);
-		mat_vp.translate(1, 1);
-		for (int i = 0; i < cone_ll.size(); ++i) {
-			Light * l     = cone_ll[i];
-			QMatrix4x4 pm = glMatrixPerspective(l->angle_end, 1., 0.1), om, vm;
-			om.translate(-l->worldAim());
-			vm.translate(0., 0., -l->distance());
-			// vm.rotate(-roll_, 0., 0., 1.);
-			QMatrix4x4 pmat = l->worldTransform();
-			pmat(0, 3) = pmat(1, 3) = pmat(2, 3) = 0.;
-			vm *= pmat.inverted();
-			auto vpm = pm * (vm * om);
-			if (l->isCastShadows()) {
-				prog->setUniformValue("qgl_ViewProjMatrix", vpm);
-				renderShadow(i, l);
-			}
-			l->shadow_matrix = mat_vp * vpm * cam_ivm;
-		}
-	}
+	/// cone shadows and shadow matrix
+	phase.begin("shadows cone");
+	renderConeShadows();
+	phase.end();
+
+	/// omni shadows and shadow matrix
+	phase.begin("shadows omni");
+	renderOmniShadows();
 	phase.end();
 
 	/// lights
@@ -558,13 +643,29 @@ void Renderer::renderScene() {
 		// qDebug() << last_img.size();
 	}
 	phase.end();
+
 	/*
-		auto cone_ll = cur_lights.value(Light::Cone);
-		if (!cone_ll.isEmpty()) {
-			Light * l = cone_ll[0];
-			l->shadow_map.blit(0, 0, 0, l->shadow_map.rect(), l->shadow_map.rect());
+		static QOpenGLShaderProgram * tprog = nullptr;
+		if (tprog && __reinit_debug) {
+			delete tprog;
+			tprog = nullptr;
 		}
-		*/
+		if (!tprog) {
+			loadShadersMulti(tprog, "./shaders/debug.glsl");
+			tprog->bind();
+			tprog->setUniformValue("tex_cone", (int)tarShadowsCone);
+			tprog->setUniformValue("tex_omni", (int)tarShadowsOmni);
+			QMatrix4x4 mat;
+			double sz = 0.33;
+			mat.translate(sz - 1, sz - 1);
+			mat.scale(sz, sz);
+			tprog->setUniformValue("qgl_ViewProjMatrix", mat);
+		}
+		__reinit_debug = false;
+		tprog->bind();
+		shadow_maps_cone.bind(f, tarShadowsCone);
+		shadow_maps_omni.bind(f, tarShadowsOmni);
+		quad->draw(f, 1);*/
 }
 
 

src/core/render/renderer.h

@@ -57,7 +57,8 @@ class QGLENGINE_CORE_EXPORT Renderer: public RendererBase {
 		srLightSpotPass,
 		srFinalPass,
 		srTonemapPass,
-		srShadowPass,
+		srShadowConePass,
+		srShadowOmniPass,
 	};
 	enum OutBufferRole {
 		obrSolidOmni,
@@ -112,7 +113,10 @@ protected:
 	void fillObjectsBuffer(const ObjectBaseList & ol, RenderPass pass);
 	void renderObjects(Scene & scene, RenderPass pass);
 	void renderLight(int first_wr_buff, bool clear_only);
-	void renderShadow(int index, Light * light);
+	void renderConeShadows();
+	void renderOmniShadows();
+	void renderConeShadow(int index, Light * light);
+	void renderOmniShadow(int index, Light * light, QOpenGLShaderProgram * prog, QMatrix4x4 om);
 
 	bool bindShader(ShaderRole role, QOpenGLShaderProgram ** ret = 0);
 	bool bindShader(QOpenGLShaderProgram * sp);
@@ -124,7 +128,7 @@ protected:
 private:
 	float gamma_ = 1.f;
 	int camera_light_mode, cur_write_plane = 0, prev_write_plane = 0;
-	bool edit_mode, need_init_shaders, need_render_sum;
+	bool edit_mode, need_init_shaders, need_render_sum, __reinit_debug;
 	Framebuffer fbo_ds, fbo_out;
 	QMap<ShaderRole, QString> shader_files;
 	QMap<ShaderRole, QStringList> shader_defines;
@@ -143,6 +147,8 @@ private:
 	QPoint mouse_pos;
 	QRect mouse_rect;
 	QMatrix4x4 prev_view, prev_proj;
+	QMatrix4x4 mat_norm_to_tex_coord, mat_camera_fullview_inv, mat_proj_90;
+	QMatrix4x4 mat_faces[6];
 	QMatrix3x3 nm;
 	QVector4D corner_dirs[4];
 	QVector<QVector3D> hcontent;
@@ -151,7 +157,6 @@ private:
 	QImage last_img;
 	QString timings;
 	bool is_grabbing = false;
-	QFunctionPointer framebufferTextureLayer = nullptr;
 };
 
 #endif // RENDERER_H

src/core/render/renderer_base.cpp

@@ -37,7 +37,8 @@ RendererBase::RendererBase(QGLView * view_)
 	, buffer_lights_pos(GL_UNIFORM_BUFFER, GL_STREAM_DRAW)
 	, textures_empty(GL_RGBA, false)
 	, textures_maps(GL_RGBA, true)
-	, shadow_maps_cone(GL_R32F, false) {
+	, shadow_maps_cone(GL_R32F, false)
+	, shadow_maps_omni(GL_R32F, false) {
 	textures_manager = new TextureManager(view);
 	maps_size        = QSize(1024, 1024);
 	maps_hash        = 0;
@@ -62,6 +63,7 @@ void RendererBase::initTextureArrays() {
 	im.fill(0xFF8080);
 	textures_empty.load(f, im, emrBlue);
 	shadow_maps_cone.init(f);
+	shadow_maps_omni.init(f);
 }
 
 

src/core/render/renderer_base.h

@@ -20,6 +20,7 @@
 #define RENDERER_BASE_H
 
 #include "glbuffer.h"
+#include "glcubemaparray.h"
 #include "glshaders_types.h"
 #include "gltexturearray.h"
 #include "measurer.h"
@@ -59,6 +60,7 @@ protected:
 	Buffer buffer_materials;
 	Buffer buffer_lights, buffer_lights_pos;
 	Texture2DArray textures_empty, textures_maps, shadow_maps_cone;
+	CubeMapArray shadow_maps_omni;
 	QSize maps_size;
 	uint maps_hash;
 	GLuint tex_coeff[2];