openmw-tes3coop/files/materials/atmosphere.shader
2013-02-18 02:33:53 +01:00

27 lines
618 B
GLSL

#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)
SH_START_PROGRAM
{
shOutputColour(0) = atmosphereColour * float4(1,1,1,alphaFade);
}
#endif