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Textures are fetched! Dynamic exchange is real!

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jndean
2023-10-26 14:16:13 +00:00
parent 4746082583
commit fb9e404485
5 changed files with 61 additions and 26 deletions
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29
src/ipu_host.cpp
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@@ -167,6 +167,13 @@ void IpuDoom::buildIpuGraph() {
"textureBuf-stream",
poplar::UNSIGNED_CHAR,
IPUTEXTURETILESPERRENDERTILE * IPUTEXTURETILEBUFSIZE);
poplar::Tensor textureOffsets = m_ipuGraph.addVariable(poplar::INT, {IPUMAXNUMTEXTURES}, "textureOffsets");
poplar::Tensor textureRanges = m_ipuGraph.addVariable(poplar::INT, {IPUTEXTURETILESPERRENDERTILE + 1}, "textureRanges");
auto textureOffsetStream = m_ipuGraph.addHostToDeviceFIFO("textureOffsets-stream", poplar::INT, IPUMAXNUMTEXTURES);
auto textureRangeStream = m_ipuGraph.addHostToDeviceFIFO("textureRanges-stream", poplar::INT, IPUTEXTURETILESPERRENDERTILE + 1);
m_ipuGraph.setTileMapping(textureOffsets, IPUFIRSTTEXTURETILE);
m_ipuGraph.setTileMapping(textureRanges, IPUFIRSTRENDERTILE);
poplar::ComputeSet R_Init_CS = m_ipuGraph.addComputeSet("R_Init_CS");
for (int renderTile = 0; renderTile < IPUNUMRENDERTILES; ++renderTile) {
@@ -206,12 +213,20 @@ void IpuDoom::buildIpuGraph() {
poplar::program::Sequence R_Init_prog({
poplar::program::Copy(miscValuesStream, m_miscValuesBuf),
poplar::program::Copy(textureBufStream, textureBuf.slice(0, IPUTEXTURETILESPERRENDERTILE)),
poplar::program::Copy(textureOffsetStream, textureOffsets),
poplar::program::Copy(textureRangeStream, textureRanges),
poplar::program::Execute(R_InitTextureAndSans_CS),
poplar::program::Repeat(2, poplar::program::Sequence({ // <- number of R_Init_CS steps
poplar::program::Execute(R_Init_CS),
poplar::program::Call(requestLumpFromHost, {m_lumpNum[0]}, {lumpBuf}),
})),
});
for (int i = IPUTEXTURETILESPERRENDERTILE; i < IPUNUMTEXTURETILES; i += IPUTEXTURETILESPERRENDERTILE) {
R_Init_prog.add(poplar::program::Copy(
textureBuf.slice(0, IPUTEXTURETILESPERRENDERTILE),
textureBuf.slice(i, i + IPUTEXTURETILESPERRENDERTILE)
));
}
// ---------------- G_Ticker --------------//
@@ -297,19 +312,13 @@ void IpuDoom::buildIpuGraph() {
IPUNUMTEXTURECACHELINES * IPUTEXTURECACHELINESIZE},
"textureCache");
poplar::Tensor textureOffsets = m_ipuGraph.addVariable(poplar::INT, {IPUMAXNUMTEXTURES}, "textureOffsets");
poplar::Tensor textureRanges = m_ipuGraph.addVariable(poplar::INT, {IPUTEXTURETILESPERRENDERTILE + 1}, "textureRanges");
auto textureOffsetStream = m_ipuGraph.addHostToDeviceFIFO("textureOffsets-stream", poplar::INT, IPUMAXNUMTEXTURES);
auto textureRangeStream = m_ipuGraph.addHostToDeviceFIFO("textureRanges-stream", poplar::INT, IPUTEXTURETILESPERRENDERTILE + 1);
m_ipuGraph.setTileMapping(textureOffsets, IPUFIRSTTEXTURETILE);
m_ipuGraph.setTileMapping(textureRanges, IPUFIRSTTEXTURETILE);
poplar::ComputeSet R_RenderPlayerView_CS = m_ipuGraph.addComputeSet("R_RenderPlayerView_CS");
for (int renderTile = 0; renderTile < IPUNUMRENDERTILES; ++renderTile) {
int logicalTile = IPUFIRSTRENDERTILE + renderTile;
vtx = m_ipuGraph.addVertex(R_RenderPlayerView_CS, "R_RenderPlayerView_Vertex", {
{"frame", ipuFrameSlices[renderTile]},
{"textureCache", textureCache[renderTile]},
{"textureRange", textureRanges},
{"progBuf", progBuf[logicalTile]},
{"commsBuf", commsBuf[logicalTile]},
{"nonExecutableDummy", nonExecutableDummy[logicalTile]},
@@ -321,14 +330,14 @@ void IpuDoom::buildIpuGraph() {
}
for (int textureTile = 0; textureTile < IPUNUMTEXTURETILES; ++textureTile) {
int logicalTile = IPUFIRSTTEXTURETILE + textureTile;
// int textureStripeIdx = textureTile % IPUTEXTURETILESPERRENDERTILE;
int textureStripeIdx = textureTile % IPUTEXTURETILESPERRENDERTILE;
vtx = m_ipuGraph.addVertex(R_RenderPlayerView_CS, "R_FulfilColumnRequests_Vertex", {
{"dummy", nonExecutableDummy[logicalTile]},
{"progBuf", progBuf[logicalTile]},
{"commsBuf", commsBuf[logicalTile]},
{"textureBuf", textureBuf[textureTile]},
// {"textureOffsets", textureOffsets},
// {"textureRange", textureRanges.slice(textureStripeIdx, textureStripeIdx + 2)},
{"textureOffsets", textureOffsets},
{"textureRange", textureRanges.slice(textureStripeIdx, textureStripeIdx + 2)},
});
m_ipuGraph.setTileMapping(vtx, logicalTile);
m_ipuGraph.setPerfEstimate(vtx, 1000);