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Merge pull request #1480 from FernandoS27/neue-swizzle

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Introduce 3D Swizzle seamlessly
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bunnei 2018-10-14 14:42:38 -04:00 committed by GitHub
commit b82bbfba77
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8 changed files with 179 additions and 110 deletions
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14
src/video_core/engines/fermi_2d.cpp
View file

@ -62,14 +62,16 @@ void Fermi2D::HandleSurfaceCopy() {
u8* dst_buffer = Memory::GetPointer(dest_cpu);
if (!regs.src.linear && regs.dst.linear) {
// If the input is tiled and the output is linear, deswizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, src_buffer, dst_buffer, true,
regs.src.BlockHeight());
Texture::CopySwizzledData(regs.src.width, regs.src.height, regs.src.depth,
src_bytes_per_pixel, dst_bytes_per_pixel, src_buffer,
dst_buffer, true, regs.src.BlockHeight(),
regs.src.BlockDepth());
} else {
// If the input is linear and the output is tiled, swizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, dst_buffer, src_buffer, false,
regs.dst.BlockHeight());
Texture::CopySwizzledData(regs.src.width, regs.src.height, regs.src.depth,
src_bytes_per_pixel, dst_bytes_per_pixel, dst_buffer,
src_buffer, false, regs.dst.BlockHeight(),
regs.dst.BlockDepth());
}
}
}

10
src/video_core/engines/maxwell_dma.cpp
View file

@ -68,12 +68,14 @@ void MaxwellDMA::HandleCopy() {
if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) {
// If the input is tiled and the output is linear, deswizzle the input and copy it over.
Texture::CopySwizzledData(regs.src_params.size_x, regs.src_params.size_y, 1, 1, src_buffer,
dst_buffer, true, regs.src_params.BlockHeight());
Texture::CopySwizzledData(regs.src_params.size_x, regs.src_params.size_y,
regs.src_params.size_z, 1, 1, src_buffer, dst_buffer, true,
regs.src_params.BlockHeight(), regs.src_params.BlockDepth());
} else {
// If the input is linear and the output is tiled, swizzle the input and copy it over.
Texture::CopySwizzledData(regs.dst_params.size_x, regs.dst_params.size_y, 1, 1, dst_buffer,
src_buffer, false, regs.dst_params.BlockHeight());
Texture::CopySwizzledData(regs.dst_params.size_x, regs.dst_params.size_y,
regs.dst_params.size_z, 1, 1, dst_buffer, src_buffer, false,
regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth());
}
}

4
src/video_core/engines/maxwell_dma.h
View file

@ -43,6 +43,10 @@ public:
u32 BlockHeight() const {
return 1 << block_height;
}
u32 BlockDepth() const {
return 1 << block_depth;
}
};
static_assert(sizeof(Parameters) == 24, "Parameters has wrong size");

43
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View file

@ -323,8 +323,8 @@ static bool IsFormatBCn(PixelFormat format) {
}
template <bool morton_to_gl, PixelFormat format>
void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, std::size_t gl_buffer_size,
VAddr addr) {
void MortonCopy(u32 stride, u32 block_height, u32 height, u32 block_depth, u32 depth, u8* gl_buffer,
std::size_t gl_buffer_size, VAddr addr) {
constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / CHAR_BIT;
constexpr u32 gl_bytes_per_pixel = CachedSurface::GetGLBytesPerPixel(format);
@ -333,7 +333,7 @@ void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, std::si
// pixel values.
const u32 tile_size{IsFormatBCn(format) ? 4U : 1U};
const std::vector<u8> data = Tegra::Texture::UnswizzleTexture(
addr, tile_size, bytes_per_pixel, stride, height, block_height);
addr, tile_size, bytes_per_pixel, stride, height, depth, block_height, block_depth);
const std::size_t size_to_copy{std::min(gl_buffer_size, data.size())};
memcpy(gl_buffer, data.data(), size_to_copy);
} else {
@ -345,7 +345,7 @@ void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, std::si
}
}
static constexpr std::array<void (*)(u32, u32, u32, u8*, std::size_t, VAddr),
static constexpr std::array<void (*)(u32, u32, u32, u32, u32, u8*, std::size_t, VAddr),
SurfaceParams::MaxPixelFormat>
morton_to_gl_fns = {
// clang-format off
@ -403,7 +403,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, std::size_t, VAddr),
// clang-format on
};
static constexpr std::array<void (*)(u32, u32, u32, u8*, std::size_t, VAddr),
static constexpr std::array<void (*)(u32, u32, u32, u32, u32, u8*, std::size_t, VAddr),
SurfaceParams::MaxPixelFormat>
gl_to_morton_fns = {
// clang-format off
@ -827,36 +827,23 @@ void CachedSurface::LoadGLBuffer() {
if (params.is_tiled) {
gl_buffer.resize(total_size);
u32 depth = params.depth;
u32 block_depth = params.block_depth;
ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture type {}",
params.block_width, static_cast<u32>(params.target));
ASSERT_MSG(params.block_depth == 1, "Block depth is defined as {} on texture type {}",
params.block_depth, static_cast<u32>(params.target));
// TODO(bunnei): This only unswizzles and copies a 2D texture - we do not yet know how to do
// this for 3D textures, etc.
switch (params.target) {
case SurfaceParams::SurfaceTarget::Texture2D:
// Pass impl. to the fallback code below
break;
case SurfaceParams::SurfaceTarget::Texture2DArray:
case SurfaceParams::SurfaceTarget::TextureCubemap:
for (std::size_t index = 0; index < params.depth; ++index) {
const std::size_t offset{index * copy_size};
morton_to_gl_fns[static_cast<std::size_t>(params.pixel_format)](
params.width, params.block_height, params.height, gl_buffer.data() + offset,
copy_size, params.addr + offset);
}
break;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented tiled load for target={}",
static_cast<u32>(params.target));
UNREACHABLE();
if (params.target == SurfaceParams::SurfaceTarget::Texture2D) {
// TODO(Blinkhawk): Eliminate this condition once all texture types are implemented.
depth = 1U;
block_depth = 1U;
}
const std::size_t size = copy_size * depth;
morton_to_gl_fns[static_cast<std::size_t>(params.pixel_format)](
params.width, params.block_height, params.height, gl_buffer.data(), copy_size,
params.addr);
params.width, params.block_height, params.height, block_depth, depth, gl_buffer.data(),
size, params.addr);
} else {
const u8* const texture_src_data_end{texture_src_data + total_size};
gl_buffer.assign(texture_src_data, texture_src_data_end);

197
src/video_core/textures/decoders.cpp
View file

@ -40,72 +40,146 @@ struct alignas(64) SwizzleTable {
constexpr auto legacy_swizzle_table = SwizzleTable<8, 64, 1>();
constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>();
static void LegacySwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle,
u32 block_height) {
/**
* This function manages ALL the GOBs(Group of Bytes) Inside a single block.
* Instead of going gob by gob, we map the coordinates inside a block and manage from
* those. Block_Width is assumed to be 1.
*/
void PreciseProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end,
const u32 y_end, const u32 z_end, const u32 tile_offset,
const u32 xy_block_size, const u32 layer_z, const u32 stride_x,
const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) {
std::array<u8*, 2> data_ptrs;
const std::size_t stride = width * bytes_per_pixel;
const std::size_t gobs_in_x = 64;
const std::size_t gobs_in_y = 8;
const std::size_t gobs_size = gobs_in_x * gobs_in_y;
const std::size_t image_width_in_gobs{(stride + gobs_in_x - 1) / gobs_in_x};
for (std::size_t y = 0; y < height; ++y) {
const std::size_t gob_y_address =
(y / (gobs_in_y * block_height)) * gobs_size * block_height * image_width_in_gobs +
(y % (gobs_in_y * block_height) / gobs_in_y) * gobs_size;
const auto& table = legacy_swizzle_table[y % gobs_in_y];
for (std::size_t x = 0; x < width; ++x) {
const std::size_t gob_address =
gob_y_address + (x * bytes_per_pixel / gobs_in_x) * gobs_size * block_height;
const std::size_t x2 = x * bytes_per_pixel;
const std::size_t swizzle_offset = gob_address + table[x2 % gobs_in_x];
const std::size_t pixel_index = (x + y * width) * out_bytes_per_pixel;
u32 z_address = tile_offset;
const u32 gob_size_x = 64;
const u32 gob_size_y = 8;
const u32 gob_size_z = 1;
const u32 gob_size = gob_size_x * gob_size_y * gob_size_z;
for (u32 z = z_start; z < z_end; z++) {
u32 y_address = z_address;
u32 pixel_base = layer_z * z + y_start * stride_x;
for (u32 y = y_start; y < y_end; y++) {
const auto& table = legacy_swizzle_table[y % gob_size_y];
for (u32 x = x_start; x < x_end; x++) {
const u32 swizzle_offset{y_address + table[x * bytes_per_pixel % gob_size_x]};
const u32 pixel_index{x * out_bytes_per_pixel + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel);
}
pixel_base += stride_x;
if ((y + 1) % gob_size_y == 0)
y_address += gob_size;
}
z_address += xy_block_size;
}
}
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
/**
* This function manages ALL the GOBs(Group of Bytes) Inside a single block.
* Instead of going gob by gob, we map the coordinates inside a block and manage from
* those. Block_Width is assumed to be 1.
*/
void FastProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end,
const u32 y_end, const u32 z_end, const u32 tile_offset,
const u32 xy_block_size, const u32 layer_z, const u32 stride_x,
const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) {
std::array<u8*, 2> data_ptrs;
u32 z_address = tile_offset;
const u32 x_startb = x_start * bytes_per_pixel;
const u32 x_endb = x_end * bytes_per_pixel;
const u32 copy_size = 16;
const u32 gob_size_x = 64;
const u32 gob_size_y = 8;
const u32 gob_size_z = 1;
const u32 gob_size = gob_size_x * gob_size_y * gob_size_z;
for (u32 z = z_start; z < z_end; z++) {
u32 y_address = z_address;
u32 pixel_base = layer_z * z + y_start * stride_x;
for (u32 y = y_start; y < y_end; y++) {
const auto& table = fast_swizzle_table[y % gob_size_y];
for (u32 xb = x_startb; xb < x_endb; xb += copy_size) {
const u32 swizzle_offset{y_address + table[(xb / copy_size) % 4]};
const u32 out_x = xb * out_bytes_per_pixel / bytes_per_pixel;
const u32 pixel_index{out_x + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], copy_size);
}
pixel_base += stride_x;
if ((y + 1) % gob_size_y == 0)
y_address += gob_size;
}
z_address += xy_block_size;
}
}
std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel);
/**
* This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue.
* The body of this function takes care of splitting the swizzled texture into blocks,
* and managing the extents of it. Once all the parameters of a single block are obtained,
* the function calls 'ProcessBlock' to process that particular Block.
*
* Documentation for the memory layout and decoding can be found at:
* https://envytools.readthedocs.io/en/latest/hw/memory/g80-surface.html#blocklinear-surfaces
*/
template <bool fast>
void SwizzledData(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle, const u32 width,
const u32 height, const u32 depth, const u32 bytes_per_pixel,
const u32 out_bytes_per_pixel, const u32 block_height, const u32 block_depth) {
auto div_ceil = [](const u32 x, const u32 y) { return ((x + y - 1) / y); };
const u32 stride_x = width * out_bytes_per_pixel;
const u32 layer_z = height * stride_x;
const u32 gob_x_bytes = 64;
const u32 gob_elements_x = gob_x_bytes / bytes_per_pixel;
const u32 gob_elements_y = 8;
const u32 gob_elements_z = 1;
const u32 block_x_elements = gob_elements_x;
const u32 block_y_elements = gob_elements_y * block_height;
const u32 block_z_elements = gob_elements_z * block_depth;
const u32 blocks_on_x = div_ceil(width, block_x_elements);
const u32 blocks_on_y = div_ceil(height, block_y_elements);
const u32 blocks_on_z = div_ceil(depth, block_z_elements);
const u32 blocks = blocks_on_x * blocks_on_y * blocks_on_z;
const u32 gob_size = gob_x_bytes * gob_elements_y * gob_elements_z;
const u32 xy_block_size = gob_size * block_height;
const u32 block_size = xy_block_size * block_depth;
u32 tile_offset = 0;
for (u32 zb = 0; zb < blocks_on_z; zb++) {
const u32 z_start = zb * block_z_elements;
const u32 z_end = std::min(depth, z_start + block_z_elements);
for (u32 yb = 0; yb < blocks_on_y; yb++) {
const u32 y_start = yb * block_y_elements;
const u32 y_end = std::min(height, y_start + block_y_elements);
for (u32 xb = 0; xb < blocks_on_x; xb++) {
const u32 x_start = xb * block_x_elements;
const u32 x_end = std::min(width, x_start + block_x_elements);
if (fast) {
FastProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
} else {
PreciseProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
}
tile_offset += block_size;
}
}
}
}
static void FastSwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle,
u32 block_height) {
std::array<u8*, 2> data_ptrs;
const std::size_t stride{width * bytes_per_pixel};
const std::size_t gobs_in_x = 64;
const std::size_t gobs_in_y = 8;
const std::size_t gobs_size = gobs_in_x * gobs_in_y;
const std::size_t image_width_in_gobs{(stride + gobs_in_x - 1) / gobs_in_x};
const std::size_t copy_size{16};
for (std::size_t y = 0; y < height; ++y) {
const std::size_t initial_gob =
(y / (gobs_in_y * block_height)) * gobs_size * block_height * image_width_in_gobs +
(y % (gobs_in_y * block_height) / gobs_in_y) * gobs_size;
const std::size_t pixel_base{y * width * out_bytes_per_pixel};
const auto& table = fast_swizzle_table[y % gobs_in_y];
for (std::size_t xb = 0; xb < stride; xb += copy_size) {
const std::size_t gob_address{initial_gob +
(xb / gobs_in_x) * gobs_size * block_height};
const std::size_t swizzle_offset{gob_address + table[(xb / 16) % 4]};
const std::size_t out_x = xb * out_bytes_per_pixel / bytes_per_pixel;
const std::size_t pixel_index{out_x + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], copy_size);
}
}
}
void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 block_height) {
void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
bool unswizzle, u32 block_height, u32 block_depth) {
if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % 16 == 0) {
FastSwizzleData(width, height, bytes_per_pixel, out_bytes_per_pixel, swizzled_data,
unswizzled_data, unswizzle, block_height);
SwizzledData<true>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth);
} else {
LegacySwizzleData(width, height, bytes_per_pixel, out_bytes_per_pixel, swizzled_data,
unswizzled_data, unswizzle, block_height);
SwizzledData<false>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth);
}
}
@ -153,10 +227,11 @@ u32 BytesPerPixel(TextureFormat format) {
}
std::vector<u8> UnswizzleTexture(VAddr address, u32 tile_size, u32 bytes_per_pixel, u32 width,
u32 height, u32 block_height) {
std::vector<u8> unswizzled_data(width * height * bytes_per_pixel);
CopySwizzledData(width / tile_size, height / tile_size, bytes_per_pixel, bytes_per_pixel,
Memory::GetPointer(address), unswizzled_data.data(), true, block_height);
u32 height, u32 depth, u32 block_height, u32 block_depth) {
std::vector<u8> unswizzled_data(width * height * depth * bytes_per_pixel);
CopySwizzledData(width / tile_size, height / tile_size, depth, bytes_per_pixel, bytes_per_pixel,
Memory::GetPointer(address), unswizzled_data.data(), true, block_height,
block_depth);
return unswizzled_data;
}

15
src/video_core/textures/decoders.h
View file

@ -14,17 +14,14 @@ namespace Tegra::Texture {
* Unswizzles a swizzled texture without changing its format.
*/
std::vector<u8> UnswizzleTexture(VAddr address, u32 tile_size, u32 bytes_per_pixel, u32 width,
u32 height, u32 block_height = TICEntry::DefaultBlockHeight);
/**
* Unswizzles a swizzled depth texture without changing its format.
*/
std::vector<u8> UnswizzleDepthTexture(VAddr address, DepthFormat format, u32 width, u32 height,
u32 block_height = TICEntry::DefaultBlockHeight);
u32 height, u32 depth,
u32 block_height = TICEntry::DefaultBlockHeight,
u32 block_depth = TICEntry::DefaultBlockHeight);
/// Copies texture data from a buffer and performs swizzling/unswizzling as necessary.
void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 block_height);
void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
bool unswizzle, u32 block_height, u32 block_depth);
/**
* Decodes an unswizzled texture into a A8R8G8B8 texture.

1
src/video_core/textures/texture.h
View file

@ -141,6 +141,7 @@ static_assert(sizeof(TextureHandle) == 4, "TextureHandle has wrong size");
struct TICEntry {
static constexpr u32 DefaultBlockHeight = 16;
static constexpr u32 DefaultBlockDepth = 1;
union {
u32 raw;

5
src/yuzu/debugger/graphics/graphics_surface.cpp
View file

@ -386,8 +386,9 @@ void GraphicsSurfaceWidget::OnUpdate() {
// TODO(bunnei): Will not work with BCn formats that swizzle 4x4 tiles.
// Needs to be fixed if we plan to use this feature more, otherwise we may remove it.
auto unswizzled_data = Tegra::Texture::UnswizzleTexture(
*address, 1, Tegra::Texture::BytesPerPixel(surface_format), surface_width, surface_height);
auto unswizzled_data =
Tegra::Texture::UnswizzleTexture(*address, 1, Tegra::Texture::BytesPerPixel(surface_format),
surface_width, surface_height, 1U);
auto texture_data = Tegra::Texture::DecodeTexture(unswizzled_data, surface_format,
surface_width, surface_height);