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gl_rasterizer: Implement a more accurate fermi 2D copy.

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- This is a blit, use the blit registers.
This commit is contained in:
bunnei
2018-12-15 00:20:00 -05:00
parent ca482997fe
commit dd1aab5446
7 changed files with 188 additions and 68 deletions
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62
src/video_core/engines/fermi_2d.cpp
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@ -21,7 +21,9 @@ void Fermi2D::CallMethod(const GPU::MethodCall& method_call) {
regs.reg_array[method_call.method] = method_call.argument;
switch (method_call.method) {
case FERMI2D_REG_INDEX(trigger): {
// Trigger the surface copy on the last register write. This is blit_src_y, but this is 64-bit,
// so trigger on the second 32-bit write.
case FERMI2D_REG_INDEX(blit_src_y) + 1: {
HandleSurfaceCopy();
break;
}
@ -32,57 +34,23 @@ void Fermi2D::HandleSurfaceCopy() {
LOG_WARNING(HW_GPU, "Requested a surface copy with operation {}",
static_cast<u32>(regs.operation));
const GPUVAddr source = regs.src.Address();
const GPUVAddr dest = regs.dst.Address();
// TODO(Subv): Only same-format and same-size copies are allowed for now.
ASSERT(regs.src.format == regs.dst.format);
ASSERT(regs.src.width * regs.src.height == regs.dst.width * regs.dst.height);
// TODO(Subv): Only raw copies are implemented.
ASSERT(regs.operation == Regs::Operation::SrcCopy);
const auto source_cpu = memory_manager.GpuToCpuAddress(source);
const auto dest_cpu = memory_manager.GpuToCpuAddress(dest);
ASSERT_MSG(source_cpu, "Invalid source GPU address");
ASSERT_MSG(dest_cpu, "Invalid destination GPU address");
const u32 src_blit_x1{static_cast<u32>(regs.blit_src_x >> 32)};
const u32 src_blit_y1{static_cast<u32>(regs.blit_src_y >> 32)};
const u32 src_blit_x2{
static_cast<u32>((regs.blit_src_x + (regs.blit_dst_width * regs.blit_du_dx)) >> 32)};
const u32 src_blit_y2{
static_cast<u32>((regs.blit_src_y + (regs.blit_dst_height * regs.blit_dv_dy)) >> 32)};
u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format);
u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
const MathUtil::Rectangle<u32> src_rect{src_blit_x1, src_blit_y1, src_blit_x2, src_blit_y2};
const MathUtil::Rectangle<u32> dst_rect{regs.blit_dst_x, regs.blit_dst_y,
regs.blit_dst_x + regs.blit_dst_width,
regs.blit_dst_y + regs.blit_dst_height};
if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst)) {
// All copies here update the main memory, so mark all rasterizer states as invalid.
Core::System::GetInstance().GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
rasterizer.FlushRegion(*source_cpu, src_bytes_per_pixel * regs.src.width * regs.src.height);
// We have to invalidate the destination region to evict any outdated surfaces from the
// cache. We do this before actually writing the new data because the destination address
// might contain a dirty surface that will have to be written back to memory.
rasterizer.InvalidateRegion(*dest_cpu,
dst_bytes_per_pixel * regs.dst.width * regs.dst.height);
if (regs.src.linear == regs.dst.linear) {
// If the input layout and the output layout are the same, just perform a raw copy.
ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
Memory::CopyBlock(*dest_cpu, *source_cpu,
src_bytes_per_pixel * regs.dst.width * regs.dst.height);
return;
}
u8* src_buffer = Memory::GetPointer(*source_cpu);
u8* dst_buffer = Memory::GetPointer(*dest_cpu);
if (!regs.src.linear && regs.dst.linear) {
// If the input is tiled and the output is linear, deswizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, regs.src.depth,
src_bytes_per_pixel, dst_bytes_per_pixel, src_buffer,
dst_buffer, true, regs.src.BlockHeight(),
regs.src.BlockDepth(), 0);
} else {
// If the input is linear and the output is tiled, swizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, regs.src.depth,
src_bytes_per_pixel, dst_bytes_per_pixel, dst_buffer,
src_buffer, false, regs.dst.BlockHeight(),
regs.dst.BlockDepth(), 0);
}
if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst, src_rect, dst_rect)) {
UNIMPLEMENTED();
}
}