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Diffstat (limited to 'lib/i915/shaders/README')
| -rw-r--r-- | lib/i915/shaders/README | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/i915/shaders/README b/lib/i915/shaders/README new file mode 100644 index 00000000..06b9883c --- /dev/null +++ b/lib/i915/shaders/README @@ -0,0 +1,25 @@ +This directory is for shaders used in media_fill, gpgpu_fill, rendercopy +and media_spin libraries. + +Till Gen8 shaders were generated using intel-gen4asm script (implementation in +assembler/ directory). From Gen8 it is possible to use Intel Graphics Assembler +to generate binary from asm instructions. +https://github.com/intel/intel-graphics-compiler + 1. Clone IGC project + 2. Go to igc/visa/iga + 3. Build iga + cmake . && make + +For maintaining compatibility with our tests there is a bin to hex converter +written in python: + $>converter.py input_file > output_file +e.g.$>python converter.py gen9_iga_output > gen9_hex_array + +Commands used to generate the shader on gen7 +$> m4 gpgpu_fill.gxa > gpgpu_fill.gxm +$> intel-gen4asm -g 7 -o <output> gpgpu_fill.gxm + +Commands used to generate the shader on gen8 +$> m4 media_fill.gxa > media_fill.gxm +$> intel-gen4asm -g 8 -o <output> media_fill.gxm + |