diff options
| author | Dominique LaSalle <dominique@solidlake.com> | 2018-11-13 17:19:11 -0800 |
|---|---|---|
| committer | Dominique LaSalle <dominique@solidlake.com> | 2018-11-13 17:19:11 -0800 |
| commit | 6eae6247e4fc3bf1655f52be0c583573ec7700ea (patch) | |
| tree | f6a1fdf868f2204122ac8fbb77f8ad96b50d0991 /drivers/gles3/shaders/scene.glsl | |
| parent | 72db3000a56a6f85d348c218437d1a1dfc0953bf (diff) | |
Add parameter for fog max depth and use alpha as density.
Diffstat (limited to 'drivers/gles3/shaders/scene.glsl')
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index 91ab34f775..ef36978258 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -98,6 +98,8 @@ layout(std140) uniform SceneData { // ubo:0 bool fog_depth_enabled; highp float fog_depth_begin; + highp float fog_depth_end; + mediump float fog_density; highp float fog_depth_curve; bool fog_transmit_enabled; highp float fog_transmit_curve; @@ -675,6 +677,8 @@ layout(std140) uniform SceneData { bool fog_depth_enabled; highp float fog_depth_begin; + highp float fog_depth_end; + mediump float fog_density; highp float fog_depth_curve; bool fog_transmit_enabled; highp float fog_transmit_curve; @@ -2033,10 +2037,11 @@ FRAGMENT_SHADER_CODE //apply fog if (fog_depth_enabled) { + float fog_far = fog_depth_end > 0 ? fog_depth_end : z_far; - float fog_z = smoothstep(fog_depth_begin, z_far, length(vertex)); + float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex)); - fog_amount = pow(fog_z, fog_depth_curve); + fog_amount = pow(fog_z, fog_depth_curve) * fog_density; if (fog_transmit_enabled) { vec3 total_light = emission + ambient_light + specular_light + diffuse_light; float transmit = pow(fog_z, fog_transmit_curve); |