soft shadows done

src/core/render/renderer_base.cpp

@@ -42,7 +42,7 @@ RendererBase::RendererBase(QGLView * view_)
 	textures_manager = new TextureManager(view);
 	maps_size        = QSize(1024, 1024);
 	maps_hash        = 0;
-	tex_coeff[0] = tex_coeff[1] = 0;
+	tex_coeff[0] = tex_coeff[1] = tex_coeff[2] = 0;
 }
 
 
@@ -400,6 +400,7 @@ void RendererBase::initCoeffTextures() {
 		}
 	}
 	createCoeffTexture(tex_coeff[0], data.constData(), size, 2);
+	createNoiseTexture(tex_coeff[2]);
 }
 
 
@@ -428,3 +429,17 @@ void RendererBase::createCoeffTexture(GLuint & id, const void * data, int size,
 	}
 	f->glTexImage2D(GL_TEXTURE_2D, 0, iformat, size, size, 0, format, GL_FLOAT, data);
 }
+
+
+void RendererBase::createNoiseTexture(GLuint & id) {
+	QOpenGLExtraFunctions * f = view;
+	deleteGLTexture(f, id);
+	f->glGenTextures(1, &id);
+	f->glBindTexture(GL_TEXTURE_2D, id);
+	f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	QImage im = generateNoise(QSize(noise_size, noise_size));
+	f->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, im.width(), im.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, im.bits());
+}