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[amdgpu] tiler: implement 1dThick

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DH 2023-08-06 17:28:37 +03:00
parent 46afeb987e
commit 1c6ec7e157
1 changed files with 71 additions and 1 deletions
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72
hw/amdgpu/device/include/amdgpu/device/tiler.hpp
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@ -70,6 +70,52 @@ inline uint64_t computeLinearElementByteOffset(
(bitsPerElement * fragmentIndex);
}
inline uint32_t get1dThickElementIndex(uint32_t x, uint32_t y, uint32_t z,
uint32_t bpp) {
uint32_t elem = 0;
switch (bpp) {
case 8:
case 16:
elem |= ((x >> 0) & 0x1) << 0;
elem |= ((y >> 0) & 0x1) << 1;
elem |= ((x >> 1) & 0x1) << 2;
elem |= ((y >> 1) & 0x1) << 3;
elem |= ((z >> 0) & 0x1) << 4;
elem |= ((z >> 1) & 0x1) << 5;
elem |= ((x >> 2) & 0x1) << 6;
elem |= ((y >> 2) & 0x1) << 7;
break;
case 32:
elem |= ((x >> 0) & 0x1) << 0;
elem |= ((y >> 0) & 0x1) << 1;
elem |= ((x >> 1) & 0x1) << 2;
elem |= ((z >> 0) & 0x1) << 3;
elem |= ((y >> 1) & 0x1) << 4;
elem |= ((z >> 1) & 0x1) << 5;
elem |= ((x >> 2) & 0x1) << 6;
elem |= ((y >> 2) & 0x1) << 7;
break;
case 64:
case 128:
elem |= ((x >> 0) & 0x1) << 0;
elem |= ((y >> 0) & 0x1) << 1;
elem |= ((z >> 0) & 0x1) << 2;
elem |= ((x >> 1) & 0x1) << 3;
elem |= ((y >> 1) & 0x1) << 4;
elem |= ((z >> 1) & 0x1) << 5;
elem |= ((x >> 2) & 0x1) << 6;
elem |= ((y >> 2) & 0x1) << 7;
break;
default:
util::unreachable();
}
return elem;
}
inline uint32_t getThinElementIndex(uint32_t x, uint32_t y) {
uint32_t elem = 0;
@ -147,6 +193,29 @@ inline uint64_t computeThin1dThinTileElementOffset(std::uint32_t bpp,
return (sliceOffset + tileOffset) + elementIndex * bpp;
}
inline uint64_t computeThick1dThickTileElementOffset(std::uint32_t bpp,
uint32_t x, uint32_t y,
uint32_t z,
std::uint64_t height,
std::uint64_t pitch) {
uint64_t elementIndex = get1dThickElementIndex(x, y, z, bpp * 8);
auto tileBytes = (kMicroTileWidth * kMicroTileHeight * bpp * 8 * 4 + 7) / 8;
auto paddedWidth = pitch;
auto tilesPerRow = paddedWidth / kMicroTileWidth;
auto tilesPerSlice = std::max(tilesPerRow * (height / kMicroTileHeight), 1UL);
uint64_t sliceOffset = (z / 4) * tilesPerSlice * tileBytes;
uint64_t tileRowIndex = y / kMicroTileHeight;
uint64_t tileColumnIndex = x / kMicroTileWidth;
uint64_t tileOffset =
(tileRowIndex * tilesPerRow + tileColumnIndex) * tileBytes;
return (sliceOffset + tileOffset) + elementIndex * bpp;
}
static constexpr auto kPipeInterleaveBytes = 256;
@ -480,7 +549,8 @@ inline uint64_t computeTiledElementByteOffset(
case kTileModeThin_3dThinPrt:
util::unreachable();
case kTileModeThick_1dThick:
util::unreachable();
return computeThick1dThickTileElementOffset(((bpp + 7) / 8), x, y, z,
height, pitch);
case kTileModeThick_2dThick:
util::unreachable();
case kTileModeThick_3dThick: