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video_core: Use un-shifted block sizes to avoid integer divisions
Instead of storing all block width, height and depths in their shifted form: block_width = 1U << block_shift; Store them like they are provided by the emulated hardware (their block_shift form). This way we can avoid doing the costly Common::AlignUp operation to align texture sizes and drop CPU integer divisions with bitwise logic (defined in Common::AlignBits).
This commit is contained in:
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28d7c2f5a5
commit
345e73f2fe
10 changed files with 78 additions and 60 deletions
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@ -19,6 +19,11 @@ constexpr T AlignDown(T value, std::size_t size) {
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return static_cast<T>(value - value % size);
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return static_cast<T>(value - value % size);
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}
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}
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template <typename T>
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constexpr T AlignBits(T value, T align) {
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return (value + ((1 << align) - 1)) >> align << align;
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}
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template <typename T>
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template <typename T>
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constexpr bool Is4KBAligned(T value) {
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constexpr bool Is4KBAligned(T value) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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@ -63,18 +63,15 @@ public:
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}
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}
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u32 BlockWidth() const {
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u32 BlockWidth() const {
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// The block width is stored in log2 format.
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return block_width;
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return 1 << block_width;
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}
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}
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u32 BlockHeight() const {
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u32 BlockHeight() const {
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// The block height is stored in log2 format.
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return block_height;
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return 1 << block_height;
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}
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}
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u32 BlockDepth() const {
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u32 BlockDepth() const {
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// The block depth is stored in log2 format.
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return block_depth;
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return 1 << block_depth;
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}
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}
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};
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};
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static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
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static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
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@ -59,11 +59,11 @@ public:
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};
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};
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u32 BlockHeight() const {
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u32 BlockHeight() const {
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return 1 << block_height;
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return block_height;
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}
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}
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u32 BlockDepth() const {
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u32 BlockDepth() const {
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return 1 << block_depth;
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return block_depth;
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}
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}
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};
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};
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@ -22,7 +22,6 @@ SurfaceBaseImpl::SurfaceBaseImpl(GPUVAddr gpu_addr, const SurfaceParams& params)
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: params{params}, mipmap_sizes(params.num_levels),
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: params{params}, mipmap_sizes(params.num_levels),
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mipmap_offsets(params.num_levels), gpu_addr{gpu_addr}, host_memory_size{
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mipmap_offsets(params.num_levels), gpu_addr{gpu_addr}, host_memory_size{
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params.GetHostSizeInBytes()} {
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params.GetHostSizeInBytes()} {
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std::size_t offset = 0;
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std::size_t offset = 0;
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for (u32 level = 0; level < params.num_levels; ++level) {
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for (u32 level = 0; level < params.num_levels; ++level) {
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const std::size_t mipmap_size{params.GetGuestMipmapSize(level)};
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const std::size_t mipmap_size{params.GetGuestMipmapSize(level)};
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@ -75,7 +74,7 @@ void SurfaceBaseImpl::LoadBuffer(Tegra::MemoryManager& memory_manager,
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return;
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return;
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}
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}
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if (params.is_tiled) {
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if (params.is_tiled) {
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ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture target {}",
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ASSERT_MSG(params.block_width == 0, "Block width is defined as {} on texture target {}",
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params.block_width, static_cast<u32>(params.target));
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params.block_width, static_cast<u32>(params.target));
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for (u32 level = 0; level < params.num_levels; ++level) {
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for (u32 level = 0; level < params.num_levels; ++level) {
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const std::size_t host_offset{params.GetHostMipmapLevelOffset(level)};
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const std::size_t host_offset{params.GetHostMipmapLevelOffset(level)};
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@ -96,9 +96,9 @@ SurfaceParams SurfaceParams::CreateForDepthBuffer(
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SurfaceParams params;
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SurfaceParams params;
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params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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params.srgb_conversion = false;
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params.srgb_conversion = false;
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params.block_width = 1 << std::min(block_width, 5U);
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params.block_width = std::min(block_width, 5U);
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params.block_height = 1 << std::min(block_height, 5U);
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params.block_height = std::min(block_height, 5U);
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params.block_depth = 1 << std::min(block_depth, 5U);
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params.block_depth = std::min(block_depth, 5U);
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params.tile_width_spacing = 1;
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromDepthFormat(format);
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params.pixel_format = PixelFormatFromDepthFormat(format);
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params.component_type = ComponentTypeFromDepthFormat(format);
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params.component_type = ComponentTypeFromDepthFormat(format);
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@ -120,9 +120,9 @@ SurfaceParams SurfaceParams::CreateForFramebuffer(Core::System& system, std::siz
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config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
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params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
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config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
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config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
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params.block_width = 1 << config.memory_layout.block_width;
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params.block_width = config.memory_layout.block_width;
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params.block_height = 1 << config.memory_layout.block_height;
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params.block_height = config.memory_layout.block_height;
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params.block_depth = 1 << config.memory_layout.block_depth;
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params.block_depth = config.memory_layout.block_depth;
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params.tile_width_spacing = 1;
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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@ -149,9 +149,9 @@ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
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params.is_tiled = !config.linear;
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params.is_tiled = !config.linear;
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params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
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params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
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config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
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config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
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params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 32U) : 0,
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params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 5U) : 0,
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params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 32U) : 0,
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params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 5U) : 0,
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params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 32U) : 0,
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params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 5U) : 0,
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params.tile_width_spacing = 1;
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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@ -190,9 +190,9 @@ u32 SurfaceParams::GetMipBlockHeight(u32 level) const {
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const u32 height{GetMipHeight(level)};
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const u32 height{GetMipHeight(level)};
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const u32 default_block_height{GetDefaultBlockHeight()};
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const u32 default_block_height{GetDefaultBlockHeight()};
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const u32 blocks_in_y{(height + default_block_height - 1) / default_block_height};
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const u32 blocks_in_y{(height + default_block_height - 1) / default_block_height};
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u32 block_height = 16;
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u32 block_height = 4;
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while (block_height > 1 && blocks_in_y <= block_height * 4) {
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while (block_height > 0 && blocks_in_y <= (1U << block_height) * 4) {
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block_height >>= 1;
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--block_height;
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}
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}
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return block_height;
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return block_height;
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}
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}
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@ -202,17 +202,17 @@ u32 SurfaceParams::GetMipBlockDepth(u32 level) const {
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return this->block_depth;
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return this->block_depth;
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}
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}
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if (is_layered) {
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if (is_layered) {
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return 1;
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return 0;
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}
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}
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const u32 depth{GetMipDepth(level)};
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const u32 depth{GetMipDepth(level)};
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u32 block_depth = 32;
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u32 block_depth = 5;
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while (block_depth > 1 && depth * 2 <= block_depth) {
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while (block_depth > 0 && depth * 2 <= (1U << block_depth)) {
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block_depth >>= 1;
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--block_depth;
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}
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}
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if (block_depth == 32 && GetMipBlockHeight(level) >= 4) {
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if (block_depth == 5 && GetMipBlockHeight(level) >= 2) {
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return 16;
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return 4;
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}
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}
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return block_depth;
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return block_depth;
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@ -252,7 +252,8 @@ std::size_t SurfaceParams::GetLayerSize(bool as_host_size, bool uncompressed) co
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size += GetInnerMipmapMemorySize(level, as_host_size, uncompressed);
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size += GetInnerMipmapMemorySize(level, as_host_size, uncompressed);
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}
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}
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if (is_tiled && is_layered) {
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if (is_tiled && is_layered) {
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return Common::AlignUp(size, Tegra::Texture::GetGOBSize() * block_height * block_depth);
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return Common::AlignBits(size,
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Tegra::Texture::GetGOBSizeShift() + block_height + block_depth);
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}
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}
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return size;
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return size;
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}
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}
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@ -54,12 +54,12 @@ public:
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constexpr std::size_t rgb8_bpp = 4ULL;
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constexpr std::size_t rgb8_bpp = 4ULL;
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// ASTC is uncompressed in software, in emulated as RGBA8
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// ASTC is uncompressed in software, in emulated as RGBA8
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host_size_in_bytes = 0;
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host_size_in_bytes = 0;
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for (std::size_t level = 0; level < num_levels; level++) {
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for (u32 level = 0; level < num_levels; ++level) {
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const std::size_t width =
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const std::size_t width =
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Common::AlignUp(GetMipWidth(level), GetDefaultBlockWidth());
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Common::AlignUp(GetMipWidth(level), GetDefaultBlockWidth());
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const std::size_t height =
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const std::size_t height =
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Common::AlignUp(GetMipHeight(level), GetDefaultBlockHeight());
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Common::AlignUp(GetMipHeight(level), GetDefaultBlockHeight());
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const std::size_t depth = is_layered ? depth : GetMipDepth(level);
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const std::size_t depth = is_layered ? this->depth : GetMipDepth(level);
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host_size_in_bytes += width * height * depth * rgb8_bpp;
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host_size_in_bytes += width * height * depth * rgb8_bpp;
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}
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}
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} else {
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} else {
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@ -96,7 +96,8 @@ public:
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// Helper used for out of class size calculations
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// Helper used for out of class size calculations
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static std::size_t AlignLayered(const std::size_t out_size, const u32 block_height,
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static std::size_t AlignLayered(const std::size_t out_size, const u32 block_height,
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const u32 block_depth) {
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const u32 block_depth) {
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return Common::AlignUp(out_size, Tegra::Texture::GetGOBSize() * block_height * block_depth);
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return Common::AlignBits(out_size,
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Tegra::Texture::GetGOBSizeShift() + block_height + block_depth);
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}
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}
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/// Returns the offset in bytes in guest memory of a given mipmap level.
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/// Returns the offset in bytes in guest memory of a given mipmap level.
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@ -81,6 +81,9 @@ public:
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if (!gpu_addr) {
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if (!gpu_addr) {
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return {};
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return {};
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}
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}
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if (gpu_addr == 0x1b7ec0000) {
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// __debugbreak();
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}
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const auto params{SurfaceParams::CreateForTexture(system, config, entry)};
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const auto params{SurfaceParams::CreateForTexture(system, config, entry)};
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return GetSurface(gpu_addr, params, true).second;
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return GetSurface(gpu_addr, params, true).second;
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}
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}
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@ -36,10 +36,16 @@ struct alignas(64) SwizzleTable {
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std::array<std::array<u16, M>, N> values{};
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std::array<std::array<u16, M>, N> values{};
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};
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};
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constexpr u32 gob_size_x = 64;
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constexpr u32 gob_size_x_shift = 6;
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constexpr u32 gob_size_y = 8;
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constexpr u32 gob_size_y_shift = 3;
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constexpr u32 gob_size_z = 1;
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constexpr u32 gob_size_z_shift = 0;
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constexpr u32 gob_size = gob_size_x * gob_size_y * gob_size_z;
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constexpr u32 gob_size_shift = gob_size_x_shift + gob_size_y_shift + gob_size_z_shift;
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constexpr u32 gob_size_x = 1U << gob_size_x_shift;
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constexpr u32 gob_size_y = 1U << gob_size_y_shift;
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constexpr u32 gob_size_z = 1U << gob_size_z_shift;
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constexpr u32 gob_size = 1U << gob_size_shift;
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constexpr u32 fast_swizzle_align = 16;
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constexpr u32 fast_swizzle_align = 16;
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constexpr auto legacy_swizzle_table = SwizzleTable<gob_size_y, gob_size_x, gob_size_z>();
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constexpr auto legacy_swizzle_table = SwizzleTable<gob_size_y, gob_size_x, gob_size_z>();
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@ -171,14 +177,16 @@ void SwizzledData(u8* const swizzled_data, u8* const unswizzled_data, const bool
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void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
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void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
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u32 out_bytes_per_pixel, u8* const swizzled_data, u8* const unswizzled_data,
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u32 out_bytes_per_pixel, u8* const swizzled_data, u8* const unswizzled_data,
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bool unswizzle, u32 block_height, u32 block_depth, u32 width_spacing) {
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bool unswizzle, u32 block_height, u32 block_depth, u32 width_spacing) {
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const u32 block_height_size{1U << block_height};
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const u32 block_depth_size{1U << block_depth};
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if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % fast_swizzle_align == 0) {
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if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % fast_swizzle_align == 0) {
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SwizzledData<true>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
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SwizzledData<true>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
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bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth,
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bytes_per_pixel, out_bytes_per_pixel, block_height_size,
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width_spacing);
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block_depth_size, width_spacing);
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} else {
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} else {
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SwizzledData<false>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
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SwizzledData<false>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
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bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth,
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bytes_per_pixel, out_bytes_per_pixel, block_height_size,
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width_spacing);
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block_depth_size, width_spacing);
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}
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}
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}
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}
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@ -249,16 +257,18 @@ std::vector<u8> UnswizzleTexture(u8* address, u32 tile_size_x, u32 tile_size_y,
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void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
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void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height) {
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height) {
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const u32 block_height_size{1U << block_height};
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const u32 image_width_in_gobs{(swizzled_width * bytes_per_pixel + (gob_size_x - 1)) /
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const u32 image_width_in_gobs{(swizzled_width * bytes_per_pixel + (gob_size_x - 1)) /
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gob_size_x};
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gob_size_x};
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for (u32 line = 0; line < subrect_height; ++line) {
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for (u32 line = 0; line < subrect_height; ++line) {
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const u32 gob_address_y =
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const u32 gob_address_y =
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(line / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs +
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(line / (gob_size_y * block_height_size)) * gob_size * block_height_size *
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((line % (gob_size_y * block_height)) / gob_size_y) * gob_size;
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image_width_in_gobs +
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((line % (gob_size_y * block_height_size)) / gob_size_y) * gob_size;
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const auto& table = legacy_swizzle_table[line % gob_size_y];
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const auto& table = legacy_swizzle_table[line % gob_size_y];
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for (u32 x = 0; x < subrect_width; ++x) {
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for (u32 x = 0; x < subrect_width; ++x) {
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const u32 gob_address =
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const u32 gob_address =
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gob_address_y + (x * bytes_per_pixel / gob_size_x) * gob_size * block_height;
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gob_address_y + (x * bytes_per_pixel / gob_size_x) * gob_size * block_height_size;
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const u32 swizzled_offset = gob_address + table[(x * bytes_per_pixel) % gob_size_x];
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const u32 swizzled_offset = gob_address + table[(x * bytes_per_pixel) % gob_size_x];
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u8* source_line = unswizzled_data + line * source_pitch + x * bytes_per_pixel;
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u8* source_line = unswizzled_data + line * source_pitch + x * bytes_per_pixel;
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u8* dest_addr = swizzled_data + swizzled_offset;
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u8* dest_addr = swizzled_data + swizzled_offset;
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@ -271,14 +281,17 @@ void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32
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||||||
void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
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void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
|
||||||
u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
|
||||||
u32 offset_x, u32 offset_y) {
|
u32 offset_x, u32 offset_y) {
|
||||||
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const u32 block_height_size{1U << block_height};
|
||||||
for (u32 line = 0; line < subrect_height; ++line) {
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for (u32 line = 0; line < subrect_height; ++line) {
|
||||||
const u32 y2 = line + offset_y;
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const u32 y2 = line + offset_y;
|
||||||
const u32 gob_address_y = (y2 / (gob_size_y * block_height)) * gob_size * block_height +
|
const u32 gob_address_y =
|
||||||
((y2 % (gob_size_y * block_height)) / gob_size_y) * gob_size;
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(y2 / (gob_size_y * block_height_size)) * gob_size * block_height_size +
|
||||||
|
((y2 % (gob_size_y * block_height_size)) / gob_size_y) * gob_size;
|
||||||
const auto& table = legacy_swizzle_table[y2 % gob_size_y];
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const auto& table = legacy_swizzle_table[y2 % gob_size_y];
|
||||||
for (u32 x = 0; x < subrect_width; ++x) {
|
for (u32 x = 0; x < subrect_width; ++x) {
|
||||||
const u32 x2 = (x + offset_x) * bytes_per_pixel;
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const u32 x2 = (x + offset_x) * bytes_per_pixel;
|
||||||
const u32 gob_address = gob_address_y + (x2 / gob_size_x) * gob_size * block_height;
|
const u32 gob_address =
|
||||||
|
gob_address_y + (x2 / gob_size_x) * gob_size * block_height_size;
|
||||||
const u32 swizzled_offset = gob_address + table[x2 % gob_size_x];
|
const u32 swizzled_offset = gob_address + table[x2 % gob_size_x];
|
||||||
u8* dest_line = unswizzled_data + line * dest_pitch + x * bytes_per_pixel;
|
u8* dest_line = unswizzled_data + line * dest_pitch + x * bytes_per_pixel;
|
||||||
u8* source_addr = swizzled_data + swizzled_offset;
|
u8* source_addr = swizzled_data + swizzled_offset;
|
||||||
|
@ -291,16 +304,18 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32
|
||||||
void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 dst_y,
|
void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 dst_y,
|
||||||
const u32 block_height, const std::size_t copy_size, const u8* source_data,
|
const u32 block_height, const std::size_t copy_size, const u8* source_data,
|
||||||
u8* swizzle_data) {
|
u8* swizzle_data) {
|
||||||
|
const u32 block_height_size{1U << block_height};
|
||||||
const u32 image_width_in_gobs{(width + gob_size_x - 1) / gob_size_x};
|
const u32 image_width_in_gobs{(width + gob_size_x - 1) / gob_size_x};
|
||||||
std::size_t count = 0;
|
std::size_t count = 0;
|
||||||
for (std::size_t y = dst_y; y < height && count < copy_size; ++y) {
|
for (std::size_t y = dst_y; y < height && count < copy_size; ++y) {
|
||||||
const std::size_t gob_address_y =
|
const std::size_t gob_address_y =
|
||||||
(y / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs +
|
(y / (gob_size_y * block_height_size)) * gob_size * block_height_size *
|
||||||
((y % (gob_size_y * block_height)) / gob_size_y) * gob_size;
|
image_width_in_gobs +
|
||||||
|
((y % (gob_size_y * block_height_size)) / gob_size_y) * gob_size;
|
||||||
const auto& table = legacy_swizzle_table[y % gob_size_y];
|
const auto& table = legacy_swizzle_table[y % gob_size_y];
|
||||||
for (std::size_t x = dst_x; x < width && count < copy_size; ++x) {
|
for (std::size_t x = dst_x; x < width && count < copy_size; ++x) {
|
||||||
const std::size_t gob_address =
|
const std::size_t gob_address =
|
||||||
gob_address_y + (x / gob_size_x) * gob_size * block_height;
|
gob_address_y + (x / gob_size_x) * gob_size * block_height_size;
|
||||||
const std::size_t swizzled_offset = gob_address + table[x % gob_size_x];
|
const std::size_t swizzled_offset = gob_address + table[x % gob_size_x];
|
||||||
const u8* source_line = source_data + count;
|
const u8* source_line = source_data + count;
|
||||||
u8* dest_addr = swizzle_data + swizzled_offset;
|
u8* dest_addr = swizzle_data + swizzled_offset;
|
||||||
|
@ -356,9 +371,9 @@ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat
|
||||||
std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth,
|
std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth,
|
||||||
u32 block_height, u32 block_depth) {
|
u32 block_height, u32 block_depth) {
|
||||||
if (tiled) {
|
if (tiled) {
|
||||||
const u32 aligned_width = Common::AlignUp(width * bytes_per_pixel, gob_size_x);
|
const u32 aligned_width = Common::AlignBits(width * bytes_per_pixel, gob_size_x_shift);
|
||||||
const u32 aligned_height = Common::AlignUp(height, gob_size_y * block_height);
|
const u32 aligned_height = Common::AlignBits(height, gob_size_y_shift + block_height);
|
||||||
const u32 aligned_depth = Common::AlignUp(depth, gob_size_z * block_depth);
|
const u32 aligned_depth = Common::AlignBits(depth, gob_size_z_shift + block_depth);
|
||||||
return aligned_width * aligned_height * aligned_depth;
|
return aligned_width * aligned_height * aligned_depth;
|
||||||
} else {
|
} else {
|
||||||
return width * height * depth * bytes_per_pixel;
|
return width * height * depth * bytes_per_pixel;
|
||||||
|
|
|
@ -12,8 +12,8 @@ namespace Tegra::Texture {
|
||||||
|
|
||||||
// GOBSize constant. Calculated by 64 bytes in x multiplied by 8 y coords, represents
|
// GOBSize constant. Calculated by 64 bytes in x multiplied by 8 y coords, represents
|
||||||
// an small rect of (64/bytes_per_pixel)X8.
|
// an small rect of (64/bytes_per_pixel)X8.
|
||||||
inline std::size_t GetGOBSize() {
|
inline std::size_t GetGOBSizeShift() {
|
||||||
return 512;
|
return 9;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Unswizzles a swizzled texture without changing its format.
|
/// Unswizzles a swizzled texture without changing its format.
|
||||||
|
|
|
@ -219,20 +219,17 @@ struct TICEntry {
|
||||||
|
|
||||||
u32 BlockWidth() const {
|
u32 BlockWidth() const {
|
||||||
ASSERT(IsTiled());
|
ASSERT(IsTiled());
|
||||||
// The block height is stored in log2 format.
|
return block_width;
|
||||||
return 1 << block_width;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
u32 BlockHeight() const {
|
u32 BlockHeight() const {
|
||||||
ASSERT(IsTiled());
|
ASSERT(IsTiled());
|
||||||
// The block height is stored in log2 format.
|
return block_height;
|
||||||
return 1 << block_height;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
u32 BlockDepth() const {
|
u32 BlockDepth() const {
|
||||||
ASSERT(IsTiled());
|
ASSERT(IsTiled());
|
||||||
// The block height is stored in log2 format.
|
return block_depth;
|
||||||
return 1 << block_depth;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
bool IsTiled() const {
|
bool IsTiled() const {
|
||||||
|
|
Loading…
Reference in a new issue