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Merge pull request #2765 from FernandoS27/dma-fix
MaxwellDMA: Fixes, corrections and relaxations.
This commit is contained in:
commit
50b5bb44a0
3 changed files with 36 additions and 23 deletions
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@ -5,6 +5,7 @@
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/settings.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/engines/maxwell_dma.h"
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#include "video_core/memory_manager.h"
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@ -82,13 +83,17 @@ void MaxwellDMA::HandleCopy() {
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ASSERT(regs.exec.enable_2d == 1);
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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.BlockDepth() == 0);
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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 bytes_per_pixel = regs.dst_pitch / regs.x_count;
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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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true, 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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const std::size_t src_layer_size = Texture::CalculateSize(
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true, bytes_per_pixel, regs.src_params.size_x, regs.src_params.size_y, 1,
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regs.src_params.BlockHeight(), regs.src_params.BlockDepth());
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const std::size_t dst_size = regs.dst_pitch * regs.y_count;
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if (read_buffer.size() < src_size) {
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@ -102,23 +107,23 @@ void MaxwellDMA::HandleCopy() {
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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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regs.src_params.size_x, src_bytes_per_pixel, read_buffer.data(),
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write_buffer.data(), regs.src_params.BlockHeight(),
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regs.src_params.pos_x, regs.src_params.pos_y);
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Texture::UnswizzleSubrect(
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regs.x_count, regs.y_count, regs.dst_pitch, regs.src_params.size_x, bytes_per_pixel,
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read_buffer.data() + src_layer_size * regs.src_params.pos_z, write_buffer.data(),
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regs.src_params.BlockHeight(), 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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ASSERT(regs.dst_params.BlockDepth() == 0);
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const u32 src_bytes_per_pixel = regs.src_pitch / regs.x_count;
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const u32 bytes_per_pixel = regs.src_pitch / regs.x_count;
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const std::size_t dst_size = Texture::CalculateSize(
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true, src_bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y,
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true, 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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true, 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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@ -131,14 +136,19 @@ void MaxwellDMA::HandleCopy() {
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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 (Settings::values.use_accurate_gpu_emulation) {
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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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} else {
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memory_manager.ReadBlockUnsafe(source, read_buffer.data(), src_size);
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memory_manager.ReadBlockUnsafe(dest, write_buffer.data(), dst_size);
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}
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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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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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Texture::SwizzleSubrect(
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regs.x_count, regs.y_count, regs.src_pitch, regs.dst_params.size_x, bytes_per_pixel,
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write_buffer.data() + dst_layer_size * regs.dst_params.pos_z, read_buffer.data(),
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regs.dst_params.BlockHeight(), regs.dst_params.pos_x, regs.dst_params.pos_y);
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memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
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}
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@ -257,19 +257,21 @@ 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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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
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u32 block_height_bit) {
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u32 block_height_bit, u32 offset_x, u32 offset_y) {
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const u32 block_height = 1U << block_height_bit;
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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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for (u32 line = 0; line < subrect_height; ++line) {
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const u32 dst_y = line + offset_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)) / gob_size_y) * gob_size;
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const auto& table = legacy_swizzle_table[line % gob_size_y];
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(dst_y / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs +
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((dst_y % (gob_size_y * block_height)) / gob_size_y) * gob_size;
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const auto& table = legacy_swizzle_table[dst_y % gob_size_y];
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for (u32 x = 0; x < subrect_width; ++x) {
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const u32 dst_x = x + offset_x;
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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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const u32 swizzled_offset = gob_address + table[(x * bytes_per_pixel) % gob_size_x];
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gob_address_y + (dst_x * bytes_per_pixel / gob_size_x) * gob_size * block_height;
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const u32 swizzled_offset = gob_address + table[(dst_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* dest_addr = swizzled_data + swizzled_offset;
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@ -44,7 +44,8 @@ std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height
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/// Copies an untiled subrectangle into a tiled surface.
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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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u32 offset_x, u32 offset_y);
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/// Copies a tiled subrectangle into a linear surface.
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void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
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