OpenMW/files/materials/atmosphere.shader

#include "core.h"

#ifdef SH_VERTEX_SHADER

    SH_BEGIN_PROGRAM
        shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)

        shOutput(float, alphaFade)

    SH_START_PROGRAM
    {
	    shOutputPosition = shMatrixMult(wvp, shInputPosition);
            alphaFade = shInputPosition.z < 150.0 ? 0.0 : 1.0;
    }

#else

    SH_BEGIN_PROGRAM
                shInput(float, alphaFade)
        shUniform(float4, atmosphereColour)                   @shSharedParameter(atmosphereColour)
        shUniform(float4, horizonColour)                   @shSharedParameter(horizonColour, horizonColour)

    SH_START_PROGRAM
    {
        shOutputColour(0) = alphaFade * atmosphereColour + (1.f - alphaFade) * horizonColour;
    }

#endif
fixed some textures, started with sky 2012-07-06 10:31:48 +02:00			`#include "core.h"`

			`#ifdef SH_VERTEX_SHADER`

			`SH_BEGIN_PROGRAM`
sky 2012-07-11 09:08:55 +02:00			`shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)`
accidently removed the map. 2012-07-09 20:14:07 +02:00
Removed problematic ModVertexAlpha method, now done in shader 2013-02-04 18:03:03 +01:00			`shOutput(float, alphaFade)`
fixed some textures, started with sky 2012-07-06 10:31:48 +02:00
			`SH_START_PROGRAM`
			`{`
			`shOutputPosition = shMatrixMult(wvp, shInputPosition);`
Removed problematic ModVertexAlpha method, now done in shader 2013-02-04 18:03:03 +01:00			`alphaFade = shInputPosition.z < 150.0 ? 0.0 : 1.0;`
fixed some textures, started with sky 2012-07-06 10:31:48 +02:00			`}`

			`#else`

			`SH_BEGIN_PROGRAM`
Removed problematic ModVertexAlpha method, now done in shader 2013-02-04 18:03:03 +01:00			`shInput(float, alphaFade)`
sky 2012-07-11 09:08:55 +02:00			`shUniform(float4, atmosphereColour) @shSharedParameter(atmosphereColour)`
Atmosphere no longer does "real" alpha blending to blend with the horizon, this is in preparation for proper underwater viewport BG / fog 2013-02-25 18:29:11 +01:00			`shUniform(float4, horizonColour) @shSharedParameter(horizonColour, horizonColour)`
fixed some textures, started with sky 2012-07-06 10:31:48 +02:00
			`SH_START_PROGRAM`
			`{`
Atmosphere no longer does "real" alpha blending to blend with the horizon, this is in preparation for proper underwater viewport BG / fog 2013-02-25 18:29:11 +01:00			`shOutputColour(0) = alphaFade * atmosphereColour + (1.f - alphaFade) * horizonColour;`
fixed some textures, started with sky 2012-07-06 10:31:48 +02:00			`}`

			`#endif`