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maxwell_dma: Minor refactoring

This commit is contained in:
ameerj 2021-09-19 20:36:41 -04:00
parent 1ea8073783
commit 24049591f6
2 changed files with 33 additions and 33 deletions
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64
src/video_core/engines/maxwell_dma.cpp
View File

@ -82,41 +82,41 @@ void MaxwellDMA::Launch() {
} }
void MaxwellDMA::CopyPitchToPitch() { void MaxwellDMA::CopyPitchToPitch() {
// When `multi_line_enable` bit is disabled the copy is performed as if we were copying a 1D // When `multi_line_enable` bit is enabled we copy a 2D image of dimensions
// buffer of length `line_length_in`. // (line_length_in, line_count).
// Otherwise we copy a 2D image of dimensions (line_length_in, line_count). // Otherwise the copy is performed as if we were copying a 1D buffer of length line_length_in.
auto& accelerate = rasterizer->AccessAccelerateDMA(); const bool remap_enabled = regs.launch_dma.remap_enable != 0;
if (!regs.launch_dma.multi_line_enable) { if (regs.launch_dma.multi_line_enable) {
const bool is_buffer_clear = regs.launch_dma.remap_enable != 0 && UNIMPLEMENTED_IF(remap_enabled);
regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
// TODO: allow multisized components. // Perform a line-by-line copy.
if (is_buffer_clear) { // We're going to take a subrect of size (line_length_in, line_count) from the source
ASSERT(regs.remap_const.component_size_minus_one == 3); // rectangle. There is no need to manually flush/invalidate the regions because CopyBlock
accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value); // does that for us.
std::vector<u32> tmp_buffer(regs.line_length_in, regs.remap_consta_value); for (u32 line = 0; line < regs.line_count; ++line) {
memory_manager.WriteBlockUnsafe(regs.offset_out, const GPUVAddr source_line = regs.offset_in + static_cast<size_t>(line) * regs.pitch_in;
reinterpret_cast<u8*>(tmp_buffer.data()), const GPUVAddr dest_line = regs.offset_out + static_cast<size_t>(line) * regs.pitch_out;
regs.line_length_in * sizeof(u32)); memory_manager.CopyBlock(dest_line, source_line, regs.line_length_in);
return;
}
UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0);
if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
std::vector<u8> tmp_buffer(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), regs.line_length_in);
memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(), regs.line_length_in);
} }
return; return;
} }
// TODO: allow multisized components.
UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); auto& accelerate = rasterizer->AccessAccelerateDMA();
const bool is_const_a_dst = regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
// Perform a line-by-line copy. const bool is_buffer_clear = remap_enabled && is_const_a_dst;
// We're going to take a subrect of size (line_length_in, line_count) from the source rectangle. if (is_buffer_clear) {
// There is no need to manually flush/invalidate the regions because CopyBlock does that for us. ASSERT(regs.remap_const.component_size_minus_one == 3);
for (u32 line = 0; line < regs.line_count; ++line) { accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value);
const GPUVAddr source_line = regs.offset_in + static_cast<size_t>(line) * regs.pitch_in; std::vector<u32> tmp_buffer(regs.line_length_in, regs.remap_consta_value);
const GPUVAddr dest_line = regs.offset_out + static_cast<size_t>(line) * regs.pitch_out; memory_manager.WriteBlockUnsafe(regs.offset_out, reinterpret_cast<u8*>(tmp_buffer.data()),
memory_manager.CopyBlock(dest_line, source_line, regs.line_length_in); regs.line_length_in * sizeof(u32));
return;
}
UNIMPLEMENTED_IF(remap_enabled);
if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
std::vector<u8> tmp_buffer(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), regs.line_length_in);
memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(), regs.line_length_in);
} }
} }

2
src/video_core/engines/maxwell_dma.h
View File

@ -175,7 +175,7 @@ public:
static_assert(sizeof(LaunchDMA) == 4); static_assert(sizeof(LaunchDMA) == 4);
struct RemapConst { struct RemapConst {
enum Swizzle : u32 { enum class Swizzle : u32 {
SRC_X = 0, SRC_X = 0,
SRC_Y = 1, SRC_Y = 1,
SRC_Z = 2, SRC_Z = 2,