shaders/ds_light.glsl

@@ -16,20 +16,23 @@ void main(void) {
 
 in vec3 view_dir, world_dir;
 
-uniform vec2 dt, shadow_size;
+uniform vec2 dt;
 uniform float z_near;
 uniform sampler2D tex_coeff_brdf, tex_noise;
 uniform sampler2D tex_0, tex_1, tex_2, tex_3, tex_4, tex_5, tex_sh;
 //uniform sampler2DShadow tex_shadow[16];
+#ifdef SHADOWS
+uniform vec2 shadow_size;
 uniform sampler2DArrayShadow tex_shadows_cone;
 uniform sampler2DArray tex_depths_cone;
 uniform samplerCubeArrayShadow tex_shadows_omni;
 uniform samplerCubeArray tex_depths_omni;
-uniform samplerCube tex_env;
-uniform int lights_start, lights_count, soft_shadows_samples = 16, noise_size = 64;
 uniform bool soft_shadows_enabled = false;
 uniform float soft_shadows_quality = 1.;
-
+uniform int soft_shadows_samples = 16, noise_size = 64;
+#endif
+uniform samplerCube tex_env;
+uniform int lights_start, lights_count;
 uniform vec4 fog_color = vec4(0.5, 0.5, 0.5, 1.);
 uniform float fog_decay = 10., fog_density = 0.;
 uniform mat3 view_mat;
@@ -43,7 +46,7 @@ ivec2 tc;
 vec4 pos, lpos, shp;
 vec3 li, si, ldir, halfV, bn, bn2, lwdir;
 vec3 normal, geom_normal, vds, vds2;
-float rough_diff, rough_spec, dist, NdotL, NdotH, spot, ldist, diff, spec, sdist, shadow, shadow_dz;
+float rough_diff, rough_spec, dist, NdotL, NdotH, spot, ldist, diff, spec, sdist;
 uint flags;
 
 
@@ -54,6 +57,7 @@ vec4 mapScreenToShadow(in int light_index, in vec3 offset) {
 }
 
 
+#ifdef SHADOWS
 #ifdef SPOT
 
 float getShadowCone(in vec3 uvz, in int layer) {
@@ -141,6 +145,7 @@ float rand(vec2 co) {
     float e = sin(mod(d, 3.14)) * c;
     return fract(e) - 0.5;
 }
+#endif // SHADOWS
 
 vec4 qgl_lightTexture(int index, vec2 coord, vec4 tex_shift) {
 	coord *= qgl_light_parameter[index].map.scale;
@@ -173,6 +178,7 @@ void calcLight(in int index, in vec3 n, in vec3 v) {
 	spot *= light_map_pix.a;
 #endif
 
+#ifdef SHADOWS
 	if (int(round(qgl_light_parameter[index].flags)) == 1 && bitfieldExtract(flags, 3, 1) == 1 && (spot > 1E-4)) {
 #ifndef SPOT
 		vec3 odir = -(view_mat * ldir);
@@ -260,6 +266,7 @@ void calcLight(in int index, in vec3 n, in vec3 v) {
 		//shadow += getShadowCone(shp.xyz, layer, vec2(0));
 		
 	}
+#endif // SHADOWS
 	
 	vec3 dist_decay = vec3(1., ldist, ldist*ldist);
 	spot /= dot(qgl_light_parameter[index].decay_intensity.xyz, dist_decay);

src/core/render/renderer.cpp

@@ -99,6 +99,8 @@ Renderer::Renderer(QGLView * view_)
 	shader_defines[srGeometrySolidPass] << "SOLID";
 	shader_defines[srLightSpotPass] << "SPOT";
 	shader_defines[srShadowOmniPass] << "OMNI";
+	shader_defines[srLightSpotPass] << "SHADOWS";
+	shader_defines[srLightOmniPass] << "SHADOWS";
 
 	PICodeInfo::EnumInfo * obre = PICodeInfo::enumsInfo->value("Renderer::DeferredBufferRole");
 	if (obre) {
@@ -352,6 +354,7 @@ void Renderer::renderLight(int first_wr_buff, bool clear_only) {
 			prog->setUniformValue("fog_decay", qMax(view->fogDecay(), 0.001f));
 			prog->setUniformValue("fog_density", view->fogDensity());
 			prog->setUniformValue("view_mat", cam->viewMatrix().inverted().toGenericMatrix<3, 3>());
+			if (shadows_enabled) {
 				prog->setUniformValue("shadow_size", view->shadow_map_size);
 				prog->setUniformValue("noise_size", noise_size);
 				prog->setUniformValue("soft_shadows_enabled", view->soft_shadows);
@@ -370,6 +373,7 @@ void Renderer::renderLight(int first_wr_buff, bool clear_only) {
 				view->glTexParameteri(GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_MAG_FILTER, filter);
 				depth_maps_cone.bind(view, tarDepthsCone);
 				depth_maps_omni.bind(view, tarDepthsOmni);
+			}
 			renderQuad(prog, quad, cam);
 		}
 	}
@@ -522,6 +526,7 @@ void Renderer::renderScene() {
 	}
 	phase.end();
 
+	if (shadows_enabled) {
 		/// cone shadows and shadow matrix
 		phase.begin("shadows cone");
 		renderConeShadows();
@@ -531,6 +536,7 @@ void Renderer::renderScene() {
 		phase.begin("shadows omni");
 		renderOmniShadows();
 		phase.end();
+	}
 
 	/// lights
 	phase.begin("lights prepare");
@@ -729,3 +735,14 @@ void Renderer::addFramebufferEffect(FramebufferEffectBase * e) {
 	e->r = this;
 	fb_effects << e;
 }
+
+void Renderer::setSadowsEnabled(bool on) {
+	shader_defines[srLightSpotPass].removeAll("SHADOWS");
+	shader_defines[srLightOmniPass].removeAll("SHADOWS");
+	if (on) {
+		shader_defines[srLightSpotPass] << "SHADOWS";
+		shader_defines[srLightOmniPass] << "SHADOWS";
+	}
+	shadows_enabled = on;
+	reloadShaders();
+}

src/core/render/renderer.h

@@ -110,6 +110,9 @@ public:
 	QImage materialThumbnail(Material * m) { return rend_mat.materialThumbnail(m); }
 	void recreateMaterialThumbnails(bool force_all = false) { rend_mat.recreateMaterialThumbnails(force_all); }
 
+	void setSadowsEnabled(bool on);
+	bool isShadowsEnabled() const { return shadows_enabled; }
+
 protected:
 	void fillObjectsBuffer(const ObjectBaseList & ol, RenderPass pass);
 	void renderObjects(Scene & scene, RenderPass pass);
@@ -157,6 +160,7 @@ private:
 	QVector<FramebufferEffectBase *> fb_effects;
 	QImage last_img;
 	QString obr_defines, timings;
+	bool shadows_enabled = true;
 	bool is_grabbing     = false;
 };