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Implement primitive Linear->Block Linear DMA engine copies

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Slightly inaccurate and misses some features but good enough for most games, should be revisted later.
This commit is contained in:
Billy Laws
2022-04-09 17:56:06 +01:00
committed by PixelyIon
parent 3c26921d54
commit 3e4e8de1d2
4 changed files with 126 additions and 13 deletions
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18
app/src/main/cpp/skyline/gpu/texture/format.h
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@ -150,4 +150,22 @@ namespace skyline::gpu::format {
#undef FORMAT_NORM_INT_FLOAT
// @fmt:on
inline const gpu::texture::FormatBase &GetFormatForBpp(u32 bytesPerPixel) {
switch (bytesPerPixel) {
case 1:
return R8Uint;
case 2:
return R8G8Uint;
case 4:
return R8G8B8A8Uint;
case 8:
return R16G16B16A16Uint;
case 16:
return R32G32B32A32Uint;
default:
Logger::Error("Couldn't convert bytes per pixel: {}", bytesPerPixel);
return R8Uint;
}
}
}

14
app/src/main/cpp/skyline/gpu/texture/layout.h
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@ -12,7 +12,7 @@ namespace skyline::gpu::texture {
constexpr u8 GobWidth{64}; // The width of a GOB in bytes
constexpr u8 GobHeight{8}; // The height of a GOB in lines
size_t GetBlockLinearLayerSize(const GuestTexture &guest) {
inline size_t GetBlockLinearLayerSize(const GuestTexture &guest) {
u32 blockHeight{guest.tileConfig.blockHeight}; //!< The height of the blocks in GOBs
u32 robHeight{GobHeight * blockHeight}; //!< The height of a single ROB (Row of Blocks) in lines
u32 surfaceHeightLines{util::DivideCeil(guest.dimensions.height, u32{guest.format->blockHeight})}; //!< The height of the surface in lines
@ -27,7 +27,7 @@ namespace skyline::gpu::texture {
/**
* @brief Copies pixel data between a linear and blocklinear texture
*/
template <typename CopyFunction>
template<typename CopyFunction>
void CopyBlockLinearInternal(const GuestTexture &guest, u8 *blockLinear, u8 *linear, CopyFunction copyFunction) {
u32 blockHeight{guest.tileConfig.blockHeight};
u32 robHeight{GobHeight * blockHeight};
@ -99,15 +99,15 @@ namespace skyline::gpu::texture {
/**
* @brief Copies the contents of a blocklinear guest texture to a linear output buffer
*/
void CopyBlockLinearToLinear(const GuestTexture &guest, u8 *guestInput, u8 *linearOutput) {
inline void CopyBlockLinearToLinear(const GuestTexture &guest, u8 *guestInput, u8 *linearOutput) {
CopyBlockLinearInternal(guest, guestInput, linearOutput, std::memcpy);
}
/**
* @brief Copies the contents of a blocklinear guest texture to a linear output buffer
*/
void CopyLinearToBlockLinear(const GuestTexture &guest, u8 *linearInput, u8 *guestOutput) {
CopyBlockLinearInternal(guest, guestOutput, linearInput, [](u8* src, u8* dst, size_t size) {
inline void CopyLinearToBlockLinear(const GuestTexture &guest, u8 *linearInput, u8 *guestOutput) {
CopyBlockLinearInternal(guest, guestOutput, linearInput, [](u8 *src, u8 *dst, size_t size) {
std::memcpy(dst, src, size);
});
}
@ -115,7 +115,7 @@ namespace skyline::gpu::texture {
/**
* @brief Copies the contents of a pitch-linear guest texture to a linear output buffer
*/
void CopyPitchLinearToLinear(const GuestTexture &guest, u8 *guestInput, u8 *linearOutput) {
inline void CopyPitchLinearToLinear(const GuestTexture &guest, u8 *guestInput, u8 *linearOutput) {
auto sizeLine{guest.format->GetSize(guest.dimensions.width, 1)}; //!< The size of a single line of pixel data
auto sizeStride{guest.tileConfig.pitch}; //!< The size of a single stride of pixel data
@ -132,7 +132,7 @@ namespace skyline::gpu::texture {
/**
* @brief Copies the contents of a linear buffer to a pitch-linear guest texture
*/
void CopyLinearToPitchLinear(const GuestTexture &guest, u8 *linearInput, u8 *guestOutput) {
inline void CopyLinearToPitchLinear(const GuestTexture &guest, u8 *linearInput, u8 *guestOutput) {
auto sizeLine{guest.format->GetSize(guest.dimensions.width, 1)}; //!< The size of a single line of pixel data
auto sizeStride{guest.tileConfig.pitch}; //!< The size of a single stride of pixel data