diff options
author | Mai Lavelle <mai.lavelle@gmail.com> | 2017-08-08 14:12:04 +0300 |
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committer | Mai Lavelle <mai.lavelle@gmail.com> | 2017-08-08 14:12:04 +0300 |
commit | ec8ae4d5e9f735ab5aeb149dea8aa47ab8f8f977 (patch) | |
tree | ea5ca862e3ee999fa65ebfefd46d19ba7ef034cd /intern/cycles/kernel/kernel_compat_opencl.h | |
parent | b53e35c655d40769e46cbe91929531fbe20d2977 (diff) |
Cycles: Pack kernel textures into buffers for OpenCL
Image textures were being packed into a single buffer for OpenCL, which
limited the amount of memory available for images to the size of one
buffer (usually 4gb on AMD hardware). By packing textures into multiple
buffers that limit is removed, while simultaneously reducing the number
of buffers that need to be passed to each kernel.
Benchmarks were within 2%.
Fixes T51554.
Differential Revision: https://developer.blender.org/D2745
Diffstat (limited to 'intern/cycles/kernel/kernel_compat_opencl.h')
-rw-r--r-- | intern/cycles/kernel/kernel_compat_opencl.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h index ece99b4313a..21eba971688 100644 --- a/intern/cycles/kernel/kernel_compat_opencl.h +++ b/intern/cycles/kernel/kernel_compat_opencl.h @@ -142,7 +142,7 @@ /* data lookup defines */ #define kernel_data (*kg->data) -#define kernel_tex_fetch(t, index) kg->t[index] +#define kernel_tex_fetch(tex, index) ((ccl_global tex##_t*)(kg->buffers[kg->tex.buffer] + kg->tex.offset))[(index)] /* define NULL */ #define NULL 0 |