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Fixes and Corrections to DMA Engine
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f1e5314f1a
commit
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2 changed files with 58 additions and 38 deletions
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@ -83,57 +83,66 @@ void MaxwellDMA::HandleCopy() {
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ASSERT(regs.exec.enable_2d == 1);
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ASSERT(regs.exec.enable_2d == 1);
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const std::size_t copy_size = regs.x_count * regs.y_count;
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auto source_ptr{memory_manager.GetPointer(source)};
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auto dst_ptr{memory_manager.GetPointer(dest)};
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if (!source_ptr) {
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LOG_ERROR(HW_GPU, "source_ptr is invalid");
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return;
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}
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if (!dst_ptr) {
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LOG_ERROR(HW_GPU, "dst_ptr is invalid");
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return;
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}
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const auto FlushAndInvalidate = [&](u32 src_size, u64 dst_size) {
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// TODO(Subv): For now, manually flush the regions until we implement GPU-accelerated
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// copying.
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rasterizer.FlushRegion(ToCacheAddr(source_ptr), src_size);
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// We have to invalidate the destination region to evict any outdated surfaces from the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 address
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// might contain a dirty surface that will have to be written back to memory.
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rasterizer.InvalidateRegion(ToCacheAddr(dst_ptr), dst_size);
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};
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if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) {
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if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) {
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ASSERT(regs.src_params.size_z == 1);
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ASSERT(regs.src_params.size_z == 1);
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// If the input is tiled and the output is linear, deswizzle the input and copy it over.
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// If the input is tiled and the output is linear, deswizzle the input and copy it over.
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const u32 src_bytes_per_pixel = regs.src_pitch / regs.src_params.size_x;
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const u32 src_bytes_per_pixel = regs.src_pitch / regs.src_params.size_x;
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const std::size_t src_size = Texture::CalculateSize(
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true, src_bytes_per_pixel, regs.src_params.size_x, regs.src_params.size_y,
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regs.src_params.size_z, regs.src_params.BlockHeight(), regs.src_params.BlockDepth());
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FlushAndInvalidate(regs.src_pitch * regs.src_params.size_y,
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const std::size_t dst_size = regs.dst_pitch * regs.y_count;
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copy_size * src_bytes_per_pixel);
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if (read_buffer.size() < src_size) {
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read_buffer.resize(src_size);
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}
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if (write_buffer.size() < dst_size) {
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write_buffer.resize(dst_size);
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}
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memory_manager.ReadBlock(source, read_buffer.data(), src_size);
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memory_manager.ReadBlock(dest, write_buffer.data(), dst_size);
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Texture::UnswizzleSubrect(regs.x_count, regs.y_count, regs.dst_pitch,
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Texture::UnswizzleSubrect(regs.x_count, regs.y_count, regs.dst_pitch,
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regs.src_params.size_x, src_bytes_per_pixel, source_ptr, dst_ptr,
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regs.src_params.size_x, src_bytes_per_pixel, read_buffer.data(),
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regs.src_params.BlockHeight(), regs.src_params.pos_x,
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write_buffer.data(), regs.src_params.BlockHeight(),
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regs.src_params.pos_y);
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regs.src_params.pos_x, regs.src_params.pos_y);
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memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
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} else {
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} else {
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ASSERT(regs.dst_params.size_z == 1);
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ASSERT(regs.dst_params.BlockDepth() == 1);
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ASSERT(regs.src_pitch == regs.x_count);
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const u32 src_bpp = regs.src_pitch / regs.x_count;
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const u32 src_bytes_per_pixel = regs.src_pitch / regs.x_count;
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FlushAndInvalidate(regs.src_pitch * regs.y_count,
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const std::size_t dst_size = Texture::CalculateSize(
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regs.dst_params.size_x * regs.dst_params.size_y * src_bpp);
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true, src_bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y,
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regs.dst_params.size_z, regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth());
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const std::size_t dst_layer_size = Texture::CalculateSize(
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true, src_bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y, 1,
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regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth());
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const std::size_t src_size = regs.src_pitch * regs.y_count;
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if (read_buffer.size() < src_size) {
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read_buffer.resize(src_size);
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}
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if (write_buffer.size() < dst_size) {
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write_buffer.resize(dst_size);
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}
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memory_manager.ReadBlock(source, read_buffer.data(), src_size);
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memory_manager.ReadBlock(dest, write_buffer.data(), dst_size);
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// If the input is linear and the output is tiled, swizzle the input and copy it over.
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// If the input is linear and the output is tiled, swizzle the input and copy it over.
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Texture::SwizzleSubrect(regs.x_count, regs.y_count, regs.src_pitch, regs.dst_params.size_x,
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Texture::SwizzleSubrect(regs.x_count, regs.y_count, regs.src_pitch, regs.dst_params.size_x,
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src_bpp, dst_ptr, source_ptr, regs.dst_params.BlockHeight());
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src_bytes_per_pixel,
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write_buffer.data() + dst_layer_size * regs.dst_params.pos_z,
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read_buffer.data(), regs.dst_params.BlockHeight());
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memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
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}
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}
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}
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}
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@ -6,6 +6,7 @@
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#include <array>
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#include <array>
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#include <cstddef>
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#include <cstddef>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/common_types.h"
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@ -155,6 +156,13 @@ public:
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BitField<16, 2, u32> component_size;
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BitField<16, 2, u32> component_size;
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BitField<20, 3, u32> src_num_components;
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BitField<20, 3, u32> src_num_components;
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BitField<24, 3, u32> dst_num_components;
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BitField<24, 3, u32> dst_num_components;
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u32 SrcBytePerPixel() const {
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return src_num_components.Value() * component_size.Value();
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}
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u32 DstBytePerPixel() const {
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return dst_num_components.Value() * component_size.Value();
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}
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} swizzle_config;
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} swizzle_config;
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Parameters dst_params;
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Parameters dst_params;
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@ -176,6 +184,9 @@ private:
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MemoryManager& memory_manager;
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MemoryManager& memory_manager;
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std::vector<u8> read_buffer;
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std::vector<u8> write_buffer;
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/// Performs the copy from the source buffer to the destination buffer as configured in the
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/// Performs the copy from the source buffer to the destination buffer as configured in the
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/// registers.
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/// registers.
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void HandleCopy();
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void HandleCopy();
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