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GPU: Implement TextureCopy-mode display transfers

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Fixes glitchy garbage in Fire Emblem 3D scenes.
This commit is contained in:
Yuri Kunde Schlesner 2015-07-23 16:25:59 -03:00
parent 2e5696dba4
commit 9ae5a09655
4 changed files with 101 additions and 36 deletions
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23
src/core/hle/service/gsp_gpu.cpp
View file

@ -418,7 +418,7 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
case CommandId::SET_DISPLAY_TRANSFER:
{
auto& params = command.image_copy;
auto& params = command.display_transfer;
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_address)),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_address)),
@ -433,17 +433,22 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
// TODO: Check if texture copies are implemented correctly..
case CommandId::SET_TEXTURE_COPY:
{
auto& params = command.image_copy;
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_address)),
auto& params = command.texture_copy;
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.input_address),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_address)),
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.output_address),
Memory::VirtualToPhysicalAddress(params.out_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_size)), params.in_buffer_size);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_size)), params.out_buffer_size);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.flags)), params.flags);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.size),
params.size);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.input_size),
params.in_width_gap);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.output_size),
params.out_width_gap);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.flags),
params.flags);
// TODO: Should this register be set to 1 or should instead its value be OR-ed with 1?
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.trigger)), 1);
// NOTE: Actual GSP ORs 1 with current register instead of overwriting. Doesn't seem to matter.
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.trigger), 1);
break;
}

11
src/core/hle/service/gsp_gpu.h
View file

@ -127,7 +127,16 @@ struct Command {
u32 in_buffer_size;
u32 out_buffer_size;
u32 flags;
} image_copy;
} display_transfer;
struct {
u32 in_buffer_address;
u32 out_buffer_address;
u32 size;
u32 in_width_gap;
u32 out_width_gap;
u32 flags;
} texture_copy;
u8 raw_data[0x1C];
};