i965/fs: Implement scratch read/write support for Broadwell

Graphics / Mesa 3D Graphics Library / Mesa - Kenneth Graunke [whitecape.org] - 20 February 2014 17:50 UTC

To make sure that both the Gen4 and Gen7 style messages work, I initially disabled the SHADER_OPCODE_GEN7_SCRATCH_READ optimization, ran Piglit, re-enabled it, and ran Piglit again. Both worked fine.

Fixes 40 Piglit tests (most of the varying-packing category).

v2: Move num_regs assertion from gen8_fs_generator to gen8_set_dp_scratch_message() (suggested by Eric).

e382314 i965/fs: Implement scratch read/write support for Broadwell.
src/mesa/drivers/dri/i965/gen8_fs_generator.cpp | 118 +++++++++++++++++++++--
1 file changed, 109 insertions(+), 9 deletions(-)

Upstream: cgit.freedesktop.org

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