git-svn-id: svn://db.shs.com.ru/libs@656 a8b55f48-bf90-11e4-a774-851b48703e85

qglengine/shaders/ds_tonemap.glsl

@@ -0,0 +1,31 @@
+// vert //
+
+void main(void) {
+	gl_Position = qgl_ftransform();
+}
+
+
+// frag //
+
+uniform sampler2D tex_0, tex_sum;
+
+const vec3 luma = vec3(0.299, 0.587, 0.114);
+
+void main(void) {
+	ivec2 tc = ivec2(gl_FragCoord.xy);
+	vec4 src = texelFetch(tex_0, tc, 0);
+	vec4 sum = texelFetch(tex_sum, ivec2(0,0), 0);
+	vec3 res = src.rgb;
+	float l = dot(res, luma);
+	float g = 2.2/dot(sum.rgb, luma);
+	res /= l;
+	//res = log(res + vec3(2.)) - log(vec3(2.));
+	//res = pow(res,vec3(1/2.2));
+	//l = pow(l,1/2.2);
+	l = 1 - exp(-l*g);
+	//l /= 100;
+	//res = pow(res,vec3(2.2));
+	//l = pow(l,2.2);
+	qgl_FragColor.rgb = res * l;
+	//qgl_FragColor.rgb = sum.rgb*10;
+}

qglengine/shaders/selection_apply.glsl

@@ -16,6 +16,7 @@ void main(void) {
 	vec4 src = texelFetch(fb_out   , tc, 0);
 	vec4 hov = texture(fb_hover , stc);
 	vec4 sel = texture(fb_select, stc);
+	src.rgb = clamp(src.rgb, vec3(0), vec3(1));
 	src.rgb = mix(src.rgb, sel.rgb, sel.a);
 	src.rgb = mix(src.rgb, hov.rgb, hov.a * 0.667f);
 	//src.rgb = src.rgb + (sel.rgb*sel.a);

qglengine/shaders/sum.glsl

@@ -0,0 +1,25 @@
+// vert //
+
+layout(location = 1) in ivec2 qgl_Vertex;
+
+flat out vec4 color;
+
+uniform sampler2D tex;
+
+void main(void) {
+	color = texelFetch(tex, qgl_Vertex, 0);
+	gl_Position = vec4(0,0,0,1);
+}
+
+
+// frag //
+
+out vec4 qgl_FragData[gl_MaxDrawBuffers];
+
+flat in vec4 color;
+
+uniform float pcnt;
+
+void main(void) {
+	qgl_FragData[0] = color;// / pcnt;
+}