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Implement Block Linear copies in Kepler Memory.
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@ -10,7 +10,6 @@
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#include "video_core/memory_manager.h"
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_base.h"
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#include "video_core/textures/convert.h"
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#include "video_core/textures/decoders.h"
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namespace Tegra::Engines {
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@ -47,13 +46,12 @@ void KeplerMemory::ProcessExec() {
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void KeplerMemory::ProcessData(u32 data, bool is_last_call) {
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const u32 sub_copy_size = std::min(4U, state.copy_size - state.write_offset);
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std::memcpy(&state.inner_buffer[state.write_offset], &data, sub_copy_size);
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std::memcpy(&state.inner_buffer[state.write_offset], ®s.data, sub_copy_size);
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state.write_offset += sub_copy_size;
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if (is_last_call) {
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UNIMPLEMENTED_IF_MSG(regs.exec.linear == 0, "Block Linear Copy is not implemented");
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const GPUVAddr address{regs.dest.Address()};
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const auto host_ptr = memory_manager.GetPointer(address);
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if (regs.exec.linear != 0) {
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const GPUVAddr address{regs.dest.Address()};
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const auto host_ptr = memory_manager.GetPointer(address);
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// We have to invalidate the destination region to evict any outdated surfaces from the
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// cache. We do this before actually writing the new data because the destination
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// address might contain a dirty surface that will have to be written back to memory.
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@ -61,6 +59,17 @@ void KeplerMemory::ProcessData(u32 data, bool is_last_call) {
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rasterizer.InvalidateRegion(ToCacheAddr(host_ptr), state.copy_size);
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std::memcpy(host_ptr, state.inner_buffer.data(), state.copy_size);
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system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
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} else {
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UNIMPLEMENTED_IF(regs.dest.z != 0);
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UNIMPLEMENTED_IF(regs.dest.depth != 1);
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UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 1);
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UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 1);
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const std::size_t dst_size = Tegra::Texture::CalculateSize(
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true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 1);
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rasterizer.InvalidateRegion(ToCacheAddr(host_ptr), dst_size);
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Tegra::Texture::SwizzleKepler(regs.dest.width, regs.dest.height, regs.dest.x,
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regs.dest.y, regs.dest.BlockHeight(), state.copy_size,
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state.inner_buffer.data(), host_ptr);
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}
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}
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}
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@ -288,6 +288,27 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32
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}
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}
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void SwizzleKepler(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
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std::size_t copy_size, u8* source_data, u8* swizzle_data) {
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const u32 image_width_in_gobs{(width + gob_size_x - 1) / gob_size_x};
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std::size_t count = 0;
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for (u32 y = dst_y; y < height && count < copy_size; ++y) {
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const u32 gob_address_y =
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(y / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs +
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((y % (gob_size_y * block_height)) / gob_size_y) * gob_size;
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const auto& table = legacy_swizzle_table[y % gob_size_y];
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for (u32 x = dst_x; x < width && count < copy_size; ++x) {
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const u32 gob_address = gob_address_y + (x / gob_size_x) * gob_size * block_height;
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const u32 swizzled_offset = gob_address + table[x % gob_size_x];
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const u8* source_line = source_data + count;
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u8* dest_addr = swizzle_data + swizzled_offset;
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count++;
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std::memcpy(dest_addr, source_line, 1);
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}
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}
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}
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std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width,
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u32 height) {
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std::vector<u8> rgba_data;
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@ -51,4 +51,7 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
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u32 offset_x, u32 offset_y);
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void SwizzleKepler(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
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std::size_t copy_size, u8* source_data, u8* swizzle_data);
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} // namespace Tegra::Texture
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