summaryrefslogtreecommitdiffstats
path: root/src/video_core/engines/maxwell_dma.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/engines/maxwell_dma.cpp')
-rw-r--r--src/video_core/engines/maxwell_dma.cpp300
1 files changed, 156 insertions, 144 deletions
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp
index 01d7df405..a2d3d7823 100644
--- a/src/video_core/engines/maxwell_dma.cpp
+++ b/src/video_core/engines/maxwell_dma.cpp
@@ -14,50 +14,45 @@
namespace Tegra::Engines {
+using namespace Texture;
+
MaxwellDMA::MaxwellDMA(Core::System& system, MemoryManager& memory_manager)
: system{system}, memory_manager{memory_manager} {}
void MaxwellDMA::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
- ASSERT_MSG(method < Regs::NUM_REGS,
- "Invalid MaxwellDMA register, increase the size of the Regs structure");
+ ASSERT_MSG(method < NUM_REGS, "Invalid MaxwellDMA register");
regs.reg_array[method] = method_argument;
-#define MAXWELLDMA_REG_INDEX(field_name) \
- (offsetof(Tegra::Engines::MaxwellDMA::Regs, field_name) / sizeof(u32))
-
- switch (method) {
- case MAXWELLDMA_REG_INDEX(exec): {
- HandleCopy();
- break;
- }
+ if (method == offsetof(Regs, launch_dma) / sizeof(u32)) {
+ Launch();
}
-
-#undef MAXWELLDMA_REG_INDEX
}
void MaxwellDMA::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) {
- for (std::size_t i = 0; i < amount; i++) {
+ for (size_t i = 0; i < amount; ++i) {
CallMethod(method, base_start[i], methods_pending - static_cast<u32>(i) <= 1);
}
}
-void MaxwellDMA::HandleCopy() {
- LOG_TRACE(HW_GPU, "Requested a DMA copy");
-
- const GPUVAddr source = regs.src_address.Address();
- const GPUVAddr dest = regs.dst_address.Address();
+void MaxwellDMA::Launch() {
+ LOG_TRACE(Render_OpenGL, "DMA copy 0x{:x} -> 0x{:x}", static_cast<GPUVAddr>(regs.offset_in),
+ static_cast<GPUVAddr>(regs.offset_out));
// TODO(Subv): Perform more research and implement all features of this engine.
- ASSERT(regs.exec.enable_swizzle == 0);
- ASSERT(regs.exec.query_mode == Regs::QueryMode::None);
- ASSERT(regs.exec.query_intr == Regs::QueryIntr::None);
- ASSERT(regs.exec.copy_mode == Regs::CopyMode::Unk2);
- ASSERT(regs.dst_params.pos_x == 0);
- ASSERT(regs.dst_params.pos_y == 0);
-
- if (!regs.exec.is_dst_linear && !regs.exec.is_src_linear) {
+ const LaunchDMA& launch = regs.launch_dma;
+ ASSERT(launch.remap_enable == 0);
+ ASSERT(launch.semaphore_type == LaunchDMA::SemaphoreType::NONE);
+ ASSERT(launch.interrupt_type == LaunchDMA::InterruptType::NONE);
+ ASSERT(launch.data_transfer_type == LaunchDMA::DataTransferType::NON_PIPELINED);
+ ASSERT(regs.dst_params.origin.x == 0);
+ ASSERT(regs.dst_params.origin.y == 0);
+
+ const bool is_src_pitch = launch.src_memory_layout == LaunchDMA::MemoryLayout::PITCH;
+ const bool is_dst_pitch = launch.dst_memory_layout == LaunchDMA::MemoryLayout::PITCH;
+
+ if (!is_src_pitch && !is_dst_pitch) {
// If both the source and the destination are in block layout, assert.
UNREACHABLE_MSG("Tiled->Tiled DMA transfers are not yet implemented");
return;
@@ -66,144 +61,161 @@ void MaxwellDMA::HandleCopy() {
// All copies here update the main memory, so mark all rasterizer states as invalid.
system.GPU().Maxwell3D().OnMemoryWrite();
- if (regs.exec.is_dst_linear && regs.exec.is_src_linear) {
- // When the enable_2d bit is disabled, the copy is performed as if we were copying a 1D
- // buffer of length `x_count`, otherwise we copy a 2D image of dimensions (x_count,
- // y_count).
- if (!regs.exec.enable_2d) {
- memory_manager.CopyBlock(dest, source, regs.x_count);
- return;
- }
+ if (is_src_pitch && is_dst_pitch) {
+ CopyPitchToPitch();
+ } else {
+ ASSERT(launch.multi_line_enable == 1);
- // If both the source and the destination are in linear layout, perform a line-by-line
- // copy. We're going to take a subrect of size (x_count, y_count) from the source
- // rectangle. There is no need to manually flush/invalidate the regions because
- // CopyBlock does that for us.
- for (u32 line = 0; line < regs.y_count; ++line) {
- const GPUVAddr source_line = source + line * regs.src_pitch;
- const GPUVAddr dest_line = dest + line * regs.dst_pitch;
- memory_manager.CopyBlock(dest_line, source_line, regs.x_count);
+ if (!is_src_pitch && is_dst_pitch) {
+ CopyBlockLinearToPitch();
+ } else {
+ CopyPitchToBlockLinear();
}
- return;
}
+}
- ASSERT(regs.exec.enable_2d == 1);
-
- if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) {
-
- ASSERT(regs.src_params.BlockDepth() == 0);
- // Optimized path for micro copies.
- if (regs.dst_pitch * regs.y_count < Texture::GetGOBSize() && regs.dst_pitch <= 64) {
- const u32 bytes_per_pixel = regs.dst_pitch / regs.x_count;
- const std::size_t src_size = Texture::GetGOBSize();
- const std::size_t dst_size = regs.dst_pitch * regs.y_count;
- u32 pos_x = regs.src_params.pos_x;
- u32 pos_y = regs.src_params.pos_y;
- const u64 offset =
- Texture::GetGOBOffset(regs.src_params.size_x, regs.src_params.size_y, pos_x, pos_y,
- regs.src_params.BlockDepth(), bytes_per_pixel);
- const u32 x_in_gob = 64 / bytes_per_pixel;
- pos_x = pos_x % x_in_gob;
- pos_y = pos_y % 8;
-
- if (read_buffer.size() < src_size) {
- read_buffer.resize(src_size);
- }
-
- if (write_buffer.size() < dst_size) {
- write_buffer.resize(dst_size);
- }
-
- if (Settings::IsGPULevelExtreme()) {
- memory_manager.ReadBlock(source + offset, read_buffer.data(), src_size);
- memory_manager.ReadBlock(dest, write_buffer.data(), dst_size);
- } else {
- memory_manager.ReadBlockUnsafe(source + offset, read_buffer.data(), src_size);
- memory_manager.ReadBlockUnsafe(dest, write_buffer.data(), dst_size);
- }
-
- Texture::UnswizzleSubrect(regs.x_count, regs.y_count, regs.dst_pitch,
- regs.src_params.size_x, bytes_per_pixel, read_buffer.data(),
- write_buffer.data(), regs.src_params.BlockHeight(), pos_x,
- pos_y);
-
- memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
-
- return;
- }
- // If the input is tiled and the output is linear, deswizzle the input and copy it over.
- const u32 bytes_per_pixel = regs.dst_pitch / regs.x_count;
- const std::size_t src_size = Texture::CalculateSize(
- true, bytes_per_pixel, regs.src_params.size_x, regs.src_params.size_y,
- regs.src_params.size_z, regs.src_params.BlockHeight(), regs.src_params.BlockDepth());
-
- const std::size_t src_layer_size = Texture::CalculateSize(
- true, bytes_per_pixel, regs.src_params.size_x, regs.src_params.size_y, 1,
- regs.src_params.BlockHeight(), regs.src_params.BlockDepth());
-
- const std::size_t dst_size = regs.dst_pitch * regs.y_count;
+void MaxwellDMA::CopyPitchToPitch() {
+ // When `multi_line_enable` bit is disabled the copy is performed as if we were copying a 1D
+ // buffer of length `line_length_in`.
+ // Otherwise we copy a 2D image of dimensions (line_length_in, line_count).
+ if (!regs.launch_dma.multi_line_enable) {
+ memory_manager.CopyBlock(regs.offset_out, regs.offset_in, regs.line_length_in);
+ return;
+ }
- if (read_buffer.size() < src_size) {
- read_buffer.resize(src_size);
- }
+ // Perform a line-by-line copy.
+ // We're going to take a subrect of size (line_length_in, line_count) from the source rectangle.
+ // There is no need to manually flush/invalidate the regions because CopyBlock does that for us.
+ for (u32 line = 0; line < regs.line_count; ++line) {
+ const GPUVAddr source_line = regs.offset_in + static_cast<size_t>(line) * regs.pitch_in;
+ const GPUVAddr dest_line = regs.offset_out + static_cast<size_t>(line) * regs.pitch_out;
+ memory_manager.CopyBlock(dest_line, source_line, regs.line_length_in);
+ }
+}
- if (write_buffer.size() < dst_size) {
- write_buffer.resize(dst_size);
- }
+void MaxwellDMA::CopyBlockLinearToPitch() {
+ ASSERT(regs.src_params.block_size.depth == 0);
- if (Settings::IsGPULevelExtreme()) {
- memory_manager.ReadBlock(source, read_buffer.data(), src_size);
- memory_manager.ReadBlock(dest, write_buffer.data(), dst_size);
- } else {
- memory_manager.ReadBlockUnsafe(source, read_buffer.data(), src_size);
- memory_manager.ReadBlockUnsafe(dest, write_buffer.data(), dst_size);
- }
+ // Optimized path for micro copies.
+ const size_t dst_size = static_cast<size_t>(regs.pitch_out) * regs.line_count;
+ if (dst_size < GOB_SIZE && regs.pitch_out <= GOB_SIZE_X) {
+ FastCopyBlockLinearToPitch();
+ return;
+ }
- Texture::UnswizzleSubrect(
- regs.x_count, regs.y_count, regs.dst_pitch, regs.src_params.size_x, bytes_per_pixel,
- read_buffer.data() + src_layer_size * regs.src_params.pos_z, write_buffer.data(),
- regs.src_params.BlockHeight(), regs.src_params.pos_x, regs.src_params.pos_y);
+ // Deswizzle the input and copy it over.
+ const u32 bytes_per_pixel = regs.pitch_out / regs.line_length_in;
+ const Parameters& src_params = regs.src_params;
+ const u32 width = src_params.width;
+ const u32 height = src_params.height;
+ const u32 depth = src_params.depth;
+ const u32 block_height = src_params.block_size.height;
+ const u32 block_depth = src_params.block_size.depth;
+ const size_t src_size =
+ CalculateSize(true, bytes_per_pixel, width, height, depth, block_height, block_depth);
+ const size_t src_layer_size =
+ CalculateSize(true, bytes_per_pixel, width, height, 1, block_height, block_depth);
+
+ if (read_buffer.size() < src_size) {
+ read_buffer.resize(src_size);
+ }
+ if (write_buffer.size() < dst_size) {
+ write_buffer.resize(dst_size);
+ }
- memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
+ if (Settings::IsGPULevelExtreme()) {
+ memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
+ memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
} else {
- ASSERT(regs.dst_params.BlockDepth() == 0);
+ memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(), src_size);
+ memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size);
+ }
- const u32 bytes_per_pixel = regs.src_pitch / regs.x_count;
+ UnswizzleSubrect(regs.line_length_in, regs.line_count, regs.pitch_out, width, bytes_per_pixel,
+ read_buffer.data() + src_layer_size * src_params.layer, write_buffer.data(),
+ block_height, src_params.origin.x, src_params.origin.y);
- const std::size_t dst_size = Texture::CalculateSize(
- true, bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y,
- regs.dst_params.size_z, regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth());
+ memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
+}
- const std::size_t dst_layer_size = Texture::CalculateSize(
- true, bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y, 1,
- regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth());
+void MaxwellDMA::CopyPitchToBlockLinear() {
+ const auto& dst_params = regs.dst_params;
+ const u32 bytes_per_pixel = regs.pitch_in / regs.line_length_in;
+ const u32 width = dst_params.width;
+ const u32 height = dst_params.height;
+ const u32 depth = dst_params.depth;
+ const u32 block_height = dst_params.block_size.height;
+ const u32 block_depth = dst_params.block_size.depth;
+ const size_t dst_size =
+ CalculateSize(true, bytes_per_pixel, width, height, depth, block_height, block_depth);
+ const size_t dst_layer_size =
+ CalculateSize(true, bytes_per_pixel, width, height, 1, block_height, block_depth);
+
+ const size_t src_size = static_cast<size_t>(regs.pitch_in) * regs.line_count;
+
+ if (read_buffer.size() < src_size) {
+ read_buffer.resize(src_size);
+ }
+ if (write_buffer.size() < dst_size) {
+ write_buffer.resize(dst_size);
+ }
- const std::size_t src_size = regs.src_pitch * regs.y_count;
+ if (Settings::IsGPULevelExtreme()) {
+ memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
+ memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
+ } else {
+ memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(), src_size);
+ memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size);
+ }
- if (read_buffer.size() < src_size) {
- read_buffer.resize(src_size);
- }
+ // If the input is linear and the output is tiled, swizzle the input and copy it over.
+ if (regs.dst_params.block_size.depth > 0) {
+ ASSERT(dst_params.layer == 0);
+ SwizzleSliceToVoxel(regs.line_length_in, regs.line_count, regs.pitch_in, width, height,
+ bytes_per_pixel, block_height, block_depth, dst_params.origin.x,
+ dst_params.origin.y, write_buffer.data(), read_buffer.data());
+ } else {
+ SwizzleSubrect(regs.line_length_in, regs.line_count, regs.pitch_in, width, bytes_per_pixel,
+ write_buffer.data() + dst_layer_size * dst_params.layer, read_buffer.data(),
+ block_height, dst_params.origin.x, dst_params.origin.y);
+ }
- if (write_buffer.size() < dst_size) {
- write_buffer.resize(dst_size);
- }
+ memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
+}
- if (Settings::IsGPULevelExtreme()) {
- memory_manager.ReadBlock(source, read_buffer.data(), src_size);
- memory_manager.ReadBlock(dest, write_buffer.data(), dst_size);
- } else {
- memory_manager.ReadBlockUnsafe(source, read_buffer.data(), src_size);
- memory_manager.ReadBlockUnsafe(dest, write_buffer.data(), dst_size);
- }
+void MaxwellDMA::FastCopyBlockLinearToPitch() {
+ const u32 bytes_per_pixel = regs.pitch_out / regs.line_length_in;
+ const size_t src_size = GOB_SIZE;
+ const size_t dst_size = static_cast<size_t>(regs.pitch_out) * regs.line_count;
+ u32 pos_x = regs.src_params.origin.x;
+ u32 pos_y = regs.src_params.origin.y;
+ const u64 offset = GetGOBOffset(regs.src_params.width, regs.src_params.height, pos_x, pos_y,
+ regs.src_params.block_size.height, bytes_per_pixel);
+ const u32 x_in_gob = 64 / bytes_per_pixel;
+ pos_x = pos_x % x_in_gob;
+ pos_y = pos_y % 8;
+
+ if (read_buffer.size() < src_size) {
+ read_buffer.resize(src_size);
+ }
- // If the input is linear and the output is tiled, swizzle the input and copy it over.
- Texture::SwizzleSubrect(
- regs.x_count, regs.y_count, regs.src_pitch, regs.dst_params.size_x, bytes_per_pixel,
- write_buffer.data() + dst_layer_size * regs.dst_params.pos_z, read_buffer.data(),
- regs.dst_params.BlockHeight(), regs.dst_params.pos_x, regs.dst_params.pos_y);
+ if (write_buffer.size() < dst_size) {
+ write_buffer.resize(dst_size);
+ }
- memory_manager.WriteBlock(dest, write_buffer.data(), dst_size);
+ if (Settings::IsGPULevelExtreme()) {
+ memory_manager.ReadBlock(regs.offset_in + offset, read_buffer.data(), src_size);
+ memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
+ } else {
+ memory_manager.ReadBlockUnsafe(regs.offset_in + offset, read_buffer.data(), src_size);
+ memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size);
}
+
+ UnswizzleSubrect(regs.line_length_in, regs.line_count, regs.pitch_out, regs.src_params.width,
+ bytes_per_pixel, read_buffer.data(), write_buffer.data(),
+ regs.src_params.block_size.height, pos_x, pos_y);
+
+ memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
}
} // namespace Tegra::Engines