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Differential D2650 Diff 8737 intern/cycles/kernel/kernel_image_opencl.h

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intern/cycles/kernel/kernel_image_opencl.h

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*/ */
/* For OpenCL all images are packed in a single array, and we do manual lookup /* For OpenCL all images are packed in a single array, and we do manual lookup
* and interpolation. */ * and interpolation. */
ccl_device_inline float4 svm_image_texture_read(KernelGlobals *kg, int id, int offset) ccl_device_inline float4 svm_image_texture_read(KernelGlobals *kg, int id, int offset)
{ {
const texture_type = kernel_tex_type(id);
/* Float4 */ /* Float4 */
if(id < TEX_START_BYTE4_OPENCL) { if(texture_type == IMAGE_DATA_TYPE_FLOAT4) {
return kernel_tex_fetch(__tex_image_float4_packed, offset); return kernel_tex_fetch(__tex_image_float4_packed, offset);
} }
/* Byte4 */ /* 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); uchar4 r = kernel_tex_fetch(__tex_image_byte4_packed, offset);
float f = 1.0f/255.0f; float f = 1.0f/255.0f;
return make_float4(r.x*f, r.y*f, r.z*f, r.w*f); return make_float4(r.x*f, r.y*f, r.z*f, r.w*f);
} }
/* Float */ /* 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); float f = kernel_tex_fetch(__tex_image_float_packed, offset);
return make_float4(f, f, f, 1.0f); return make_float4(f, f, f, 1.0f);
} }
/* Byte */ /* Byte */
else { else {
uchar r = kernel_tex_fetch(__tex_image_byte_packed, offset); uchar r = kernel_tex_fetch(__tex_image_byte_packed, offset);
float f = r * (1.0f/255.0f); float f = r * (1.0f/255.0f);
return make_float4(f, f, f, 1.0f); return make_float4(f, f, f, 1.0f);
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