Remove !sRGB in shader which is always true now

Also don't use tonemap in RTT

data/shaders/alphatest_particle.vert

@@ -39,7 +39,7 @@ void main(void)
     vec4 particle_color = vec4(color_lifetime.zyx, 1.0);
     tc = Texcoord;
 
-#if !defined(sRGB_Framebuffer_Usable) && !defined(Advanced_Lighting_Enabled)
+#if !defined(Advanced_Lighting_Enabled)
     particle_color.rgb = pow(particle_color.rgb, vec3(1.0 / 2.2));
 #endif
     pc = particle_color;

data/shaders/simple_particle.vert

@@ -44,7 +44,7 @@ void main(void)
     vec4 particle_color = vec4(color_lifetime.zyx, 1.0) * alpha;
     tc = Texcoord;
 
-#if !defined(sRGB_Framebuffer_Usable) && !defined(Advanced_Lighting_Enabled)
+#if !defined(Advanced_Lighting_Enabled)
     particle_color.rgb = pow(particle_color.rgb, vec3(1.0 / 2.2));
 #endif
     pc = particle_color;

data/shaders/sp_alpha_test.frag

@@ -31,11 +31,7 @@ void main(void)
 
     vec3 final_color = col.xyz * color.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/sp_decal.frag

@@ -17,11 +17,7 @@ void main(void)
 
     vec3 final_color = layer_two_tex.rgb + color.rgb * (1.0 - layer_two_tex.a);
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/sp_ghost.frag

@@ -30,11 +30,7 @@ void main()
 
     vec3 final_color = col.xyz * color.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
 
     o_diffuse_color = vec4((final_color * custom_alpha), custom_alpha);

data/shaders/sp_grass.frag

@@ -29,11 +29,7 @@ void main(void)
 
     vec3 final_color = col.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/sp_normal_map.frag

@@ -23,7 +23,7 @@ void main()
         vec3 old_hsv = rgbToHsv(col.rgb);
         float mask_step = step(mask, 0.5);
 #if !defined(Advanced_Lighting_Enabled)
-        float saturation = mask * 2.1;
+        float saturation = mask * 1.825; // 2.5 * 0.5 ^ (1. / 2.2)
 #else
         float saturation = mask * 2.5;
 #endif
@@ -35,11 +35,7 @@ void main()
 
     vec3 final_color = col.xyz * color.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/sp_solid.frag

@@ -21,7 +21,7 @@ void main(void)
         vec3 old_hsv = rgbToHsv(col.rgb);
         float mask_step = step(mask, 0.5);
 #if !defined(Advanced_Lighting_Enabled)
-        float saturation = mask * 2.1;
+        float saturation = mask * 1.825; // 2.5 * 0.5 ^ (1. / 2.2)
 #else
         float saturation = mask * 2.5;
 #endif
@@ -33,11 +33,7 @@ void main(void)
 
     vec3 final_color = col.xyz * color.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/sp_unlit.frag

@@ -19,11 +19,7 @@ void main(void)
 
     vec3 final_color = col.xyz * color.xyz;
 #if !defined(Advanced_Lighting_Enabled)
-#if !defined(sRGB_Framebuffer_Usable)
     final_color = final_color * 0.73; // 0.5 ^ (1. / 2.2)
-#else
-    final_color = final_color * 0.5;
-#endif
 #endif
     o_diffuse_color = vec4(final_color, 1.0);
 

data/shaders/tonemap.frag

@@ -13,10 +13,6 @@ void main()
 
     // Uncharted2 tonemap with Auria's custom coefficients
     vec4 perChannel = (col * (6.9 * col + .5)) / (col * (5.2 * col + 1.7) + 0.06);
-#if !(!defined(sRGB_Framebuffer_Usable) && defined(Advanced_Lighting_Enabled))
-    perChannel = pow(perChannel, vec4(2.2));
-#endif
-
     vec2 inside = uv - 0.5;
     float vignette = 1. - dot(inside, inside) * vignette_weight;
     vignette = clamp(pow(vignette, 0.8), 0., 1.);

src/graphics/shader_based_renderer.cpp

@@ -886,15 +886,15 @@ void ShaderBasedRenderer::renderToTexture(GL3RenderTarget *render_target,
     if (CVS->isDefferedEnabled())
     {
         renderSceneDeferred(camera, dt, false, true);
+        render_target->setFrameBuffer(m_post_processing
+            ->render(camera, false, m_rtts));
     }
     else
     {
         renderScene(camera, dt, false, true);
+        render_target->setFrameBuffer(&m_rtts->getFBO(FBO_COLORS));
     }
 
-    render_target->setFrameBuffer(m_post_processing
-        ->render(camera, false, m_rtts));
-
     // reset
     glViewport(0, 0,
         irr_driver->getActualScreenSize().Width,