diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_compat_cpu.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_compat_cpu.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/intern/cycles/kernel/kernel_compat_cpu.h b/intern/cycles/kernel/kernel_compat_cpu.h index a9c66ec2d68..55f4484ba1f 100644 --- a/intern/cycles/kernel/kernel_compat_cpu.h +++ b/intern/cycles/kernel/kernel_compat_cpu.h @@ -117,14 +117,19 @@ template<typename T> struct texture_image { niy = wrap_clamp(iy+1, height); } - float4 r = (1.0f - ty)*(1.0f - tx)*read(data[ix + iy*width]); - r += (1.0f - ty)*tx*read(data[nix + iy*width]); - r += ty*(1.0f - tx)*read(data[ix + niy*width]); - r += ty*tx*read(data[nix + niy*width]); - - return r; + if(interpolation == INTERPOLATION_CLOSEST) { + return read(data[ix + iy*width]); + } + else { + float4 r = (1.0f - ty)*(1.0f - tx)*read(data[ix + iy*width]); + r += (1.0f - ty)*tx*read(data[nix + iy*width]); + r += ty*(1.0f - tx)*read(data[ix + niy*width]); + r += ty*tx*read(data[nix + niy*width]); + return r; + } } + int interpolation; T *data; int width, height; }; @@ -146,7 +151,6 @@ typedef texture_image<uchar4> texture_image_uchar4; #define kernel_tex_fetch_m128i(tex, index) (kg->tex.fetch_m128i(index)) #define kernel_tex_lookup(tex, t, offset, size) (kg->tex.lookup(t, offset, size)) #define kernel_tex_image_interp(tex, x, y) ((tex < MAX_FLOAT_IMAGES) ? kg->texture_float_images[tex].interp(x, y) : kg->texture_byte_images[tex - MAX_FLOAT_IMAGES].interp(x, y)) - #define kernel_data (kg->__data) CCL_NAMESPACE_END |