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authorTim Rowley <[email protected]>2017-04-18 17:02:56 -0500
committerTim Rowley <[email protected]>2017-04-19 19:01:48 -0500
commitdd4488ea6ca89b863bf8608d59723a0b25585101 (patch)
treeb8f14b761465f226e446d22965557a391c499f59 /src/gallium/drivers
parent6bb1ed6bccc0f0d5192e8871f954418857af2604 (diff)
swr: simd16 vs work
Build VS with alternating output for the current simd16 fe double-pump of a simd8 shader. Reviewed-by: Bruce Cherniak <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/swr/swr_shader.cpp30
1 files changed, 25 insertions, 5 deletions
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
index d8f551291cd..ec38584a7f2 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -226,6 +226,9 @@ struct BuilderSWR : public Builder {
gallivm_free_ir(gallivm);
}
+ void WriteVS(Value *pVal, Value *pVsContext, Value *pVtxOutput,
+ unsigned slot, unsigned channel);
+
struct gallivm_state *gallivm;
PFN_VERTEX_FUNC CompileVS(struct swr_context *ctx, swr_jit_vs_key &key);
PFN_PIXEL_KERNEL CompileFS(struct swr_context *ctx, swr_jit_fs_key &key);
@@ -657,6 +660,23 @@ swr_compile_gs(struct swr_context *ctx, swr_jit_gs_key &key)
return func;
}
+void
+BuilderSWR::WriteVS(Value *pVal, Value *pVsContext, Value *pVtxOutput, unsigned slot, unsigned channel)
+{
+#if USE_SIMD16_FRONTEND
+ // interleave the simdvertex components into the dest simd16vertex
+ // slot16offset = slot8offset * 2
+ // comp16offset = comp8offset * 2 + alternateOffset
+
+ Value *offset = LOAD(pVsContext, { 0, SWR_VS_CONTEXT_AlternateOffset });
+ Value *pOut = GEP(pVtxOutput, { C(0), C(0), C(slot * 2), offset } );
+ STORE(pVal, pOut, {channel * 2});
+#else
+ Value *pOut = GEP(pVtxOutput, {0, 0, slot});
+ STORE(pVal, pOut, {0, channel});
+#endif
+}
+
PFN_VERTEX_FUNC
BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key)
{
@@ -752,7 +772,7 @@ BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key)
uint32_t outSlot = attrib;
if (swr_vs->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_PSIZE)
outSlot = VERTEX_POINT_SIZE_SLOT;
- STORE(val, vtxOutput, {0, 0, outSlot, channel});
+ WriteVS(val, pVsCtx, vtxOutput, outSlot, channel);
}
}
@@ -786,10 +806,10 @@ BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key)
&swr_vs->info.base);
if (val < 4) {
LLVMValueRef dist = LLVMBuildLoad(gallivm->builder, outputs[cv][val], "");
- STORE(unwrap(dist), vtxOutput, {0, 0, VERTEX_CLIPCULL_DIST_LO_SLOT, val});
+ WriteVS(unwrap(dist), pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_LO_SLOT, val);
} else {
LLVMValueRef dist = LLVMBuildLoad(gallivm->builder, outputs[cv][val - 4], "");
- STORE(unwrap(dist), vtxOutput, {0, 0, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4});
+ WriteVS(unwrap(dist), pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4);
}
continue;
}
@@ -807,9 +827,9 @@ BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key)
FMUL(unwrap(cw), VBROADCAST(pw)))));
if (val < 4)
- STORE(dist, vtxOutput, {0, 0, VERTEX_CLIPCULL_DIST_LO_SLOT, val});
+ WriteVS(dist, pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_LO_SLOT, val);
else
- STORE(dist, vtxOutput, {0, 0, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4});
+ WriteVS(dist, pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4);
}
}