mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-01 17:36:21 +03:00
df4b931988
Reorganized resources to keep source part in src and real-time scripts in resource folder. For the installation result no changes, still installed to src for windows.
56 lines
1.3 KiB
GLSL
56 lines
1.3 KiB
GLSL
THE_SHADER_OUT vec3 ViewDirection; //!< direction of fetching from environment cubemap
|
|
|
|
uniform int uCurrentSide; //!< current side of cubemap
|
|
uniform int uYCoeff; //!< coefficient of Y controlling horizontal flip of cubemap
|
|
uniform int uZCoeff; //!< coefficient of Z controlling vertical flip of cubemap
|
|
|
|
void main()
|
|
{
|
|
vec3 aDir;
|
|
vec2 aCoord;
|
|
if (uCurrentSide == 0)
|
|
{
|
|
aCoord = mat2( 0,-1,-1, 0) * occVertex.xy;
|
|
aDir.x = 1.0;
|
|
aDir.y = aCoord.x;
|
|
aDir.z = aCoord.y;
|
|
}
|
|
else if (uCurrentSide == 1)
|
|
{
|
|
aCoord = mat2( 0, 1,-1, 0) * occVertex.xy;
|
|
aDir.x = -1.0;
|
|
aDir.y = aCoord.x;
|
|
aDir.z = aCoord.y;
|
|
}
|
|
else if (uCurrentSide == 2)
|
|
{
|
|
aCoord = mat2( 0, 1, 1, 0) * occVertex.xy;
|
|
aDir.x = aCoord.y;
|
|
aDir.y = 1.0;
|
|
aDir.z = aCoord.x;
|
|
}
|
|
else if (uCurrentSide == 3)
|
|
{
|
|
aCoord = mat2( 0, 1,-1, 0) * occVertex.xy;
|
|
aDir.x = aCoord.y;
|
|
aDir.y = -1.0;
|
|
aDir.z = aCoord.x;
|
|
}
|
|
else if (uCurrentSide == 4)
|
|
{
|
|
aCoord = mat2( 1, 0, 0,-1) * occVertex.xy;
|
|
aDir.x = aCoord.x;
|
|
aDir.y = aCoord.y;
|
|
aDir.z = 1.0;
|
|
}
|
|
else //if (uCurrentSide == 5)
|
|
{
|
|
aCoord = mat2(-1, 0, 0,-1) * occVertex.xy;
|
|
aDir.x = aCoord.x;
|
|
aDir.y = aCoord.y;
|
|
aDir.z = -1.0;
|
|
}
|
|
ViewDirection = cubemapVectorTransform (aDir, uYCoeff, uZCoeff);
|
|
gl_Position = vec4 (occVertex.xy, 0.0, 1.0);
|
|
}
|