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Implemented GGX Split Sum approximation using a 2D atlas trick

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This commit is contained in:
Robert Beckebans 2021-03-22 20:45:25 +01:00
parent 779534626f
commit 2391ba1b43
14 changed files with 845 additions and 372 deletions
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18
neo/renderer/RenderSystem_init.cpp
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@ -838,6 +838,24 @@ void R_ReadTiledPixels( int width, int height, byte* buffer, renderView_t* ref =
glPixelStorei( GL_PACK_ROW_LENGTH, RADIANCE_CUBEMAP_SIZE );
glReadPixels( 0, 0, w, h, GL_RGB, GL_HALF_FLOAT, buffer );
#if 0
// TODO vertical flip with half floats
{
int i, j;
uint64 temp;
for( i = 0 ; i < width ; i++ )
{
for( j = 0 ; j < height / 2 ; j++ )
{
temp = *( ( uint64* )buffer + j * width + i );
*( ( uint64* )buffer + j * width + i ) = *( ( uint64* )buffer + ( height - 1 - j ) * width + i );
*( ( uint64* )buffer + ( height - 1 - j ) * width + i ) = temp;
}
}
}
#endif
Framebuffer::Unbind();
}
else