---
src/gallium/drivers/swr/rasterizer/codegen/gen_llvm_ir_macros.py | 1 +
src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp | 7 ++++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/swr/rasterizer/codegen/gen_llvm_ir_macros.py
b/src/gallium/drivers/swr/rasterizer/codegen/gen_llvm_ir_macros.py
index 2ed2b2f..025d38a 100644
--- a/src/gallium/drivers/swr/rasterizer/codegen/gen_llvm_ir_macros.py
+++ b/src/gallium/drivers/swr/rasterizer/codegen/gen_llvm_ir_macros.py
@@ -45,6 +45,7 @@ intrinsics = [
['VGATHERPD', 'x86_avx2_gather_d_pd_256', ['src', 'pBase', 'indices',
'mask', 'scale']],
['VGATHERPS', 'x86_avx2_gather_d_ps_256', ['src', 'pBase', 'indices',
'mask', 'scale']],
['VGATHERDD', 'x86_avx2_gather_d_d_256', ['src', 'pBase', 'indices',
'mask', 'scale']],
+ ['VPSRLI', 'x86_avx2_psrli_d', ['src', 'imm']],
['VSQRTPS', 'x86_avx_sqrt_ps_256', ['a']],
['VRSQRTPS', 'x86_avx_rsqrt_ps_256', ['a']],
['VRCPPS', 'x86_avx_rcp_ps_256', ['a']],
diff --git a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
index dcfe897..761c58c 100644
--- a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
+++ b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
@@ -1005,7 +1005,12 @@ void FetchJit::JitGatherVertices(const
FETCH_COMPILE_STATE &fetchState,
Value *vMask = vGatherMask;
// Gather a SIMD of vertices
- vVertexElements[currentVertexElement++] =
GATHERPS(gatherSrc, pStreamBase, vOffsets, vMask, C((char)1));
+ // APIs allow a 4GB range for offsets
+ // However, GATHERPS uses signed 32-bit
offsets, so only a 2GB range :(
+ // But, we know that elements must be aligned
for FETCH. :)
+ // Right shift the offset by a bit and then
scale by 2 to remove the sign extension.
+ Value* vShiftedOffsets = VPSRLI(vOffsets,
C(1));
+ vVertexElements[currentVertexElement++] =
GATHERPS(gatherSrc, pStreamBase, vShiftedOffsets, vMask, C((char)2));
}
else
{
--
2.7.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
