diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_image_opencl.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_image_opencl.h | 63 |
1 files changed, 33 insertions, 30 deletions
diff --git a/intern/cycles/kernel/kernel_image_opencl.h b/intern/cycles/kernel/kernel_image_opencl.h index 0352c58037d..90747e09357 100644 --- a/intern/cycles/kernel/kernel_image_opencl.h +++ b/intern/cycles/kernel/kernel_image_opencl.h @@ -20,18 +20,19 @@ ccl_device_inline float4 svm_image_texture_read(KernelGlobals *kg, int id, int offset) { + const int texture_type = kernel_tex_type(id); /* Float4 */ - if(id < TEX_START_BYTE4_OPENCL) { + if(texture_type == IMAGE_DATA_TYPE_FLOAT4) { return kernel_tex_fetch(__tex_image_float4_packed, offset); } /* Byte4 */ - else if(id < TEX_START_FLOAT_OPENCL) { + else if(texture_type == IMAGE_DATA_TYPE_BYTE4) { uchar4 r = kernel_tex_fetch(__tex_image_byte4_packed, offset); float f = 1.0f/255.0f; return make_float4(r.x*f, r.y*f, r.z*f, r.w*f); } /* Float */ - else if(id < TEX_START_BYTE_OPENCL) { + else if(texture_type == IMAGE_DATA_TYPE_FLOAT) { float f = kernel_tex_fetch(__tex_image_float_packed, offset); return make_float4(f, f, f, 1.0f); } @@ -63,23 +64,34 @@ ccl_device_inline float svm_image_texture_frac(float x, int *ix) return x - (float)i; } +ccl_device_inline uint kernel_decode_image_interpolation(uint4 info) +{ + return (info.w & (1 << 0)) ? INTERPOLATION_CLOSEST : INTERPOLATION_LINEAR; +} + +ccl_device_inline uint kernel_decode_image_extension(uint4 info) +{ + if(info.w & (1 << 1)) { + return EXTENSION_REPEAT; + } + else if(info.w & (1 << 2)) { + return EXTENSION_EXTEND; + } + else { + return EXTENSION_CLIP; + } +} + ccl_device float4 kernel_tex_image_interp(KernelGlobals *kg, int id, float x, float y) { uint4 info = kernel_tex_fetch(__tex_image_packed_info, id*2); uint width = info.x; uint height = info.y; uint offset = info.z; - - /* Image Options */ - uint interpolation = (info.w & (1 << 0)) ? INTERPOLATION_CLOSEST : INTERPOLATION_LINEAR; - uint extension; - if(info.w & (1 << 1)) - extension = EXTENSION_REPEAT; - else if(info.w & (1 << 2)) - extension = EXTENSION_EXTEND; - else - extension = EXTENSION_CLIP; - + /* Decode image options. */ + uint interpolation = kernel_decode_image_interpolation(info); + uint extension = kernel_decode_image_extension(info); + /* Actual sampling. */ float4 r; int ix, iy, nix, niy; if(interpolation == INTERPOLATION_CLOSEST) { @@ -132,7 +144,6 @@ ccl_device float4 kernel_tex_image_interp(KernelGlobals *kg, int id, float x, fl r += ty*(1.0f - tx)*svm_image_texture_read(kg, id, offset + ix + niy*width); r += ty*tx*svm_image_texture_read(kg, id, offset + nix + niy*width); } - return r; } @@ -144,17 +155,10 @@ ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals *kg, int id, float x, uint height = info.y; uint offset = info.z; uint depth = kernel_tex_fetch(__tex_image_packed_info, id*2+1).x; - - /* Image Options */ - uint interpolation = (info.w & (1 << 0)) ? INTERPOLATION_CLOSEST : INTERPOLATION_LINEAR; - uint extension; - if(info.w & (1 << 1)) - extension = EXTENSION_REPEAT; - else if(info.w & (1 << 2)) - extension = EXTENSION_EXTEND; - else - extension = EXTENSION_CLIP; - + /* Decode image options. */ + uint interpolation = kernel_decode_image_interpolation(info); + uint extension = kernel_decode_image_extension(info); + /* Actual sampling. */ float4 r; int ix, iy, iz, nix, niy, niz; if(interpolation == INTERPOLATION_CLOSEST) { @@ -171,7 +175,7 @@ ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals *kg, int id, float x, if(extension == EXTENSION_CLIP) { if(x < 0.0f || y < 0.0f || z < 0.0f || x > 1.0f || y > 1.0f || z > 1.0f) - { + { return make_float4(0.0f, 0.0f, 0.0f, 0.0f); } } @@ -198,12 +202,13 @@ ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals *kg, int id, float x, niz = svm_image_texture_wrap_periodic(iz+1, depth); } else { - if(extension == EXTENSION_CLIP) + if(extension == EXTENSION_CLIP) { if(x < 0.0f || y < 0.0f || z < 0.0f || x > 1.0f || y > 1.0f || z > 1.0f) { return make_float4(0.0f, 0.0f, 0.0f, 0.0f); } + } /* Fall through. */ /* EXTENSION_EXTEND */ nix = svm_image_texture_wrap_clamp(ix+1, width); @@ -224,8 +229,6 @@ ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals *kg, int id, float x, r += tz*(1.0f - ty)*tx*svm_image_texture_read(kg, id, offset + nix + iy*width + niz*width*height); r += tz*ty*(1.0f - tx)*svm_image_texture_read(kg, id, offset + ix + niy*width + niz*width*height); r += tz*ty*tx*svm_image_texture_read(kg, id, offset + nix + niy*width + niz*width*height); - } - return r; } |