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tile_upload.comp.hlsl
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260 lines (208 loc) · 8.03 KB
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#include "common.hlsl"
[[vk::binding(0,0)]] RWTexture2D<float32_t4> dstImage;
[[vk::push_constant]] PushConstantData pc;
using namespace nbl::hlsl;
static const uint32_t TILE_WIDTH = 16u;
static const uint32_t TILE_HEIGHT = 8u;
[numthreads(128, 1, 1)]
[shader("compute")]
void linearStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = uint32_t2(gIdx % pc.srcWidth, gIdx / pc.srcWidth);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
float32_t4 rgba = float32_t4(
float32_t((packed >> 0u) & 0xFFu) / 255.0f,
float32_t((packed >> 8u) & 0xFFu) / 255.0f,
float32_t((packed >> 16u) & 0xFFu) / 255.0f,
float32_t((packed >> 24u) & 0xFFu) / 255.0f
);
dstImage[pc.dstOffset + pixelPos] = rgba;
}
[numthreads(128, 1, 1)]
[shader("compute")]
void linearLoad(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = uint32_t2(gIdx % pc.srcWidth, gIdx / pc.srcWidth);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
float32_t4 color = dstImage[pc.dstOffset + pixelPos];
uint32_t r = uint32_t(color.r * 255.0f + 0.5f);
uint32_t g = uint32_t(color.g * 255.0f + 0.5f);
uint32_t b = uint32_t(color.b * 255.0f + 0.5f);
uint32_t a = uint32_t(color.a * 255.0f + 0.5f);
uint32_t packed = (r << 0u) | (g << 8u) | (b << 16u) | (a << 24u);
vk::RawBufferStore<uint32_t>(pc.deviceBufferAddress + gIdx * 4u, packed);
}
uint32_t2 snakePixelPos(uint32_t gIdx, uint32_t srcWidth)
{
static const uint32_t PIXELS_PER_TILE = TILE_WIDTH * TILE_HEIGHT;
uint32_t tilesPerRow = srcWidth / TILE_WIDTH;
uint32_t tileIdx = gIdx / PIXELS_PER_TILE;
uint32_t localIdx = gIdx % PIXELS_PER_TILE;
uint32_t tileRow = tileIdx / tilesPerRow;
uint32_t tileCol = tileIdx % tilesPerRow;
// Odd rows: reverse X direction
if (tileRow & 1u)
tileCol = tilesPerRow - 1u - tileCol;
uint32_t localX = localIdx % TILE_WIDTH;
uint32_t localY = localIdx / TILE_WIDTH;
return uint32_t2(
tileCol * TILE_WIDTH + localX,
tileRow * TILE_HEIGHT + localY
);
}
[numthreads(128, 1, 1)]
[shader("compute")]
void SnakeOrderStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = snakePixelPos(gIdx, pc.srcWidth);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
float32_t4 rgba = float32_t4(
float32_t((packed >> 0u) & 0xFFu) / 255.0f,
float32_t((packed >> 8u) & 0xFFu) / 255.0f,
float32_t((packed >> 16u) & 0xFFu) / 255.0f,
float32_t((packed >> 24u) & 0xFFu) / 255.0f
);
dstImage[pc.dstOffset + pixelPos] = rgba;
}
[numthreads(128, 1, 1)]
[shader("compute")]
void SnakeOrderLoad(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = snakePixelPos(gIdx, pc.srcWidth);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
float32_t4 color = dstImage[pc.dstOffset + pixelPos];
uint32_t r = uint32_t(color.r * 255.0f + 0.5f);
uint32_t g = uint32_t(color.g * 255.0f + 0.5f);
uint32_t b = uint32_t(color.b * 255.0f + 0.5f);
uint32_t a = uint32_t(color.a * 255.0f + 0.5f);
uint32_t packed = (r << 0u) | (g << 8u) | (b << 16u) | (a << 24u);
vk::RawBufferStore<uint32_t>(pc.deviceBufferAddress + gIdx * 4u, packed);
}
uint32_t mortonCompact1By1(uint32_t x)
{
x &= 0x55555555u;
x = (x ^ (x >> 1u)) & 0x33333333u;
x = (x ^ (x >> 2u)) & 0x0f0f0f0fu;
x = (x ^ (x >> 4u)) & 0x00ff00ffu;
x = (x ^ (x >> 8u)) & 0x0000ffffu;
return x;
}
uint32_t2 mortonDecode(uint32_t code)
{
return uint32_t2(
mortonCompact1By1(code),
mortonCompact1By1(code >> 1u)
);
}
void batchedTileInfo(uint32_t gIdx, uint32_t tileW, uint32_t tileH, uint32_t tilesPerRow,
out uint32_t2 tileBase, out uint32_t localIdx)
{
uint32_t pixelsPerTile = tileW * tileH;
uint32_t tileIdx = gIdx / pixelsPerTile;
localIdx = gIdx % pixelsPerTile;
uint32_t tileCol = tileIdx % tilesPerRow;
uint32_t tileRow = tileIdx / tilesPerRow;
tileBase = uint32_t2(tileCol * tileW, tileRow * tileH);
}
float32_t4 unpackRGBA(uint32_t packed)
{
return float32_t4(
float32_t((packed >> 0u) & 0xFFu) / 255.0f,
float32_t((packed >> 8u) & 0xFFu) / 255.0f,
float32_t((packed >> 16u) & 0xFFu) / 255.0f,
float32_t((packed >> 24u) & 0xFFu) / 255.0f
);
}
[numthreads(128, 1, 1)]
[shader("compute")]
void BatchedLinearStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 tileBase;
uint32_t localIdx;
batchedTileInfo(gIdx, pc.srcWidth, pc.srcHeight, pc.tilesPerRow, tileBase, localIdx);
uint32_t2 localPos = uint32_t2(localIdx % pc.srcWidth, localIdx / pc.srcWidth);
uint32_t2 pixelPos = tileBase + localPos;
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
dstImage[pixelPos] = unpackRGBA(packed);
}
[numthreads(128, 1, 1)]
[shader("compute")]
void BatchedSnakeStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 tileBase;
uint32_t localIdx;
batchedTileInfo(gIdx, pc.srcWidth, pc.srcHeight, pc.tilesPerRow, tileBase, localIdx);
// Snake within tile row-major with zigzag on odd tile rows
uint32_t localTilesPerRow = pc.srcWidth / TILE_WIDTH;
uint32_t subTileIdx = localIdx / (TILE_WIDTH * TILE_HEIGHT);
uint32_t subLocalIdx = localIdx % (TILE_WIDTH * TILE_HEIGHT);
uint32_t subRow = subTileIdx / localTilesPerRow;
uint32_t subCol = subTileIdx % localTilesPerRow;
if (subRow & 1u)
subCol = localTilesPerRow - 1u - subCol;
uint32_t localX = subCol * TILE_WIDTH + (subLocalIdx % TILE_WIDTH);
uint32_t localY = subRow * TILE_HEIGHT + (subLocalIdx / TILE_WIDTH);
uint32_t2 pixelPos = tileBase + uint32_t2(localX, localY);
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
dstImage[pixelPos] = unpackRGBA(packed);
}
[numthreads(128, 1, 1)]
[shader("compute")]
void BatchedMortonStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 tileBase;
uint32_t localIdx;
batchedTileInfo(gIdx, pc.srcWidth, pc.srcHeight, pc.tilesPerRow, tileBase, localIdx);
uint32_t2 localPos = mortonDecode(localIdx);
uint32_t2 pixelPos = tileBase + localPos;
if (localPos.x >= pc.srcWidth || localPos.y >= pc.srcHeight)
return;
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
dstImage[pixelPos] = unpackRGBA(packed);
}
[numthreads(128, 1, 1)]
[shader("compute")]
void MortonOrderStore(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = mortonDecode(gIdx);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
uint32_t packed = vk::RawBufferLoad<uint32_t>(pc.deviceBufferAddress + gIdx * 4u);
float32_t4 rgba = float32_t4(
float32_t((packed >> 0u) & 0xFFu) / 255.0f,
float32_t((packed >> 8u) & 0xFFu) / 255.0f,
float32_t((packed >> 16u) & 0xFFu) / 255.0f,
float32_t((packed >> 24u) & 0xFFu) / 255.0f
);
dstImage[pc.dstOffset + pixelPos] = rgba;
}
[numthreads(128, 1, 1)]
[shader("compute")]
void MortonOrderLoad(uint32_t3 ID : SV_DispatchThreadID)
{
uint32_t gIdx = ID.x;
uint32_t2 pixelPos = mortonDecode(gIdx);
if (pixelPos.x >= pc.srcWidth || pixelPos.y >= pc.srcHeight)
return;
float32_t4 color = dstImage[pc.dstOffset + pixelPos];
uint32_t r = uint32_t(color.r * 255.0f + 0.5f);
uint32_t g = uint32_t(color.g * 255.0f + 0.5f);
uint32_t b = uint32_t(color.b * 255.0f + 0.5f);
uint32_t a = uint32_t(color.a * 255.0f + 0.5f);
uint32_t packed = (r << 0u) | (g << 8u) | (b << 16u) | (a << 24u);
vk::RawBufferStore<uint32_t>(pc.deviceBufferAddress + gIdx * 4u, packed);
}