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Fix Surface Deswizzling OOB writes + Fix PL README

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◱ PixelyIon
2020-09-10 10:00:29 +05:30
committed by ◱ PixelyIon
parent 4076d84efc
commit 5f0073dd87
3 changed files with 16 additions and 8 deletions
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16
app/src/main/cpp/skyline/gpu/texture.cpp
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@ -3,6 +3,7 @@
#include <android/native_window.h>
#include <kernel/types/KProcess.h>
#include <unistd.h>
#include "texture.h"
namespace skyline::gpu {
@ -25,8 +26,10 @@ namespace skyline::gpu {
constexpr u8 gobWidth = 64; // The width of a GOB in bytes
constexpr u8 gobHeight = 8; // The height of a GOB in lines
auto robHeight = gobHeight * guest->tileConfig.blockHeight; // The height of a single ROB (Row of Blocks) in lines
auto surfaceHeightRobs = util::AlignUp(dimensions.height / format.blockHeight, robHeight) / robHeight; // The height of the surface in ROBs (Row Of Blocks)
auto blockHeight = guest->tileConfig.blockHeight; // The height of the blocks in GOBs
auto robHeight = gobHeight * blockHeight; // The height of a single ROB (Row of Blocks) in lines
auto surfaceHeight = dimensions.height / format.blockHeight; // The height of the surface in lines
auto surfaceHeightRobs = util::AlignUp(surfaceHeight, robHeight) / robHeight; // The height of the surface in ROBs (Row Of Blocks)
auto robWidthBytes = util::AlignUp((guest->tileConfig.surfaceWidth / format.blockWidth) * format.bpb, gobWidth); // The width of a ROB in bytes
auto robWidthBlocks = robWidthBytes / gobWidth; // The width of a ROB in blocks (and GOBs because block width == 1 on the Tegra X1)
auto robBytes = robWidthBytes * robHeight; // The size of a ROB in bytes
@ -35,11 +38,11 @@ namespace skyline::gpu {
auto inputSector = texture; // The address of the input sector
auto outputRob = output; // The address of the output block
for (u32 rob = 0; rob < surfaceHeightRobs; rob++) { // Every Surface contains `surfaceHeightRobs` ROBs
for (u32 rob = 0, y = 0, paddingY = 0; rob < surfaceHeightRobs; rob++) { // Every Surface contains `surfaceHeightRobs` ROBs
auto outputBlock = outputRob; // We iterate through a block independently of the ROB
for (u32 block = 0; block < robWidthBlocks; block++) { // Every ROB contains `surfaceWidthBlocks` Blocks
auto outputGob = outputBlock; // We iterate through a GOB independently of the block
for (u32 gobY = 0; gobY < guest->tileConfig.blockHeight; gobY++) { // Every Block contains `blockHeight` Y-axis GOBs
for (u32 gobY = 0; gobY < blockHeight; gobY++) { // Every Block contains `blockHeight` Y-axis GOBs
for (u32 index = 0; index < sectorWidth * sectorHeight; index++) { // Every Y-axis GOB contains `sectorWidth * sectorHeight` sectors
u32 xT = ((index << 3) & 0b10000) | ((index << 1) & 0b100000); // Morton-Swizzle on the X-axis
u32 yT = ((index >> 1) & 0b110) | (index & 0b1); // Morton-Swizzle on the Y-axis
@ -48,9 +51,14 @@ namespace skyline::gpu {
}
outputGob += gobYOffset; // Increment the output GOB to the next Y-axis GOB
}
inputSector += paddingY; // Increment the input sector to the next sector
outputBlock += gobWidth; // Increment the output block to the next block (As Block Width = 1 GOB Width)
}
outputRob += robBytes; // Increment the output block to the next ROB
y += robHeight; // Increment the Y position to the next ROB
blockHeight = static_cast<u8>(std::min(static_cast<u32>(blockHeight), (surfaceHeight - y) / gobHeight)); // Calculate the amount of Y GOBs which aren't padding
paddingY = (guest->tileConfig.blockHeight - blockHeight) * (sectorWidth * sectorWidth * sectorHeight); // Calculate the amount of padding between contiguous sectors
}
} else if (guest->tileMode == texture::TileMode::Pitch) {
auto sizeLine = guest->format.GetSize(dimensions.width, 1); // The size of a single line of pixel data