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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: 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)), WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_address)),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3); Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_address)), 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.. // TODO: Check if texture copies are implemented correctly..
case CommandId::SET_TEXTURE_COPY: case CommandId::SET_TEXTURE_COPY:
{ {
auto& params = command.image_copy; auto& params = command.texture_copy;
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_address)), WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.input_address),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3); 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); Memory::VirtualToPhysicalAddress(params.out_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_size)), params.in_buffer_size); WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.size),
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_size)), params.out_buffer_size); params.size);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.flags)), params.flags); 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? // NOTE: Actual GSP ORs 1 with current register instead of overwriting. Doesn't seem to matter.
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.trigger)), 1); WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.trigger), 1);
break; break;
} }

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

@ -127,7 +127,16 @@ struct Command {
u32 in_buffer_size; u32 in_buffer_size;
u32 out_buffer_size; u32 out_buffer_size;
u32 flags; 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]; u8 raw_data[0x1C];
}; };

69
src/core/hw/gpu.cpp
View file

@ -3,6 +3,7 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cstring> #include <cstring>
#include <numeric>
#include <type_traits> #include <type_traits>
#include "common/color.h" #include "common/color.h"
@ -158,14 +159,59 @@ inline void Write(u32 addr, const T data) {
u8* src_pointer = Memory::GetPhysicalPointer(config.GetPhysicalInputAddress()); u8* src_pointer = Memory::GetPhysicalPointer(config.GetPhysicalInputAddress());
u8* dst_pointer = Memory::GetPhysicalPointer(config.GetPhysicalOutputAddress()); u8* dst_pointer = Memory::GetPhysicalPointer(config.GetPhysicalOutputAddress());
if (config.is_texture_copy) {
u32 input_width = config.texture_copy.input_width * 16;
u32 input_gap = config.texture_copy.input_gap * 16;
u32 output_width = config.texture_copy.output_width * 16;
u32 output_gap = config.texture_copy.output_gap * 16;
size_t contiguous_input_size = config.texture_copy.size / input_width * (input_width + input_gap);
VideoCore::g_renderer->hw_rasterizer->NotifyPreRead(config.GetPhysicalInputAddress(), contiguous_input_size);
u32 remaining_size = config.texture_copy.size;
u32 remaining_input = input_width;
u32 remaining_output = output_width;
while (remaining_size > 0) {
u32 copy_size = std::min({ remaining_input, remaining_output, remaining_size });
std::memcpy(dst_pointer, src_pointer, copy_size);
src_pointer += copy_size;
dst_pointer += copy_size;
remaining_input -= copy_size;
remaining_output -= copy_size;
remaining_size -= copy_size;
if (remaining_input == 0) {
remaining_input = input_width;
src_pointer += input_gap;
}
if (remaining_output == 0) {
remaining_output = output_width;
dst_pointer += output_gap;
}
}
LOG_TRACE(HW_GPU, "TextureCopy: 0x%X bytes from 0x%08X(%u+%u)-> 0x%08X(%u+%u), flags 0x%08X",
config.texture_copy.size,
config.GetPhysicalInputAddress(), input_width, input_gap,
config.GetPhysicalOutputAddress(), output_width, output_gap,
config.flags);
size_t contiguous_output_size = config.texture_copy.size / output_width * (output_width + output_gap);
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetPhysicalOutputAddress(), contiguous_output_size);
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF);
break;
}
if (config.scaling > config.ScaleXY) { if (config.scaling > config.ScaleXY) {
LOG_CRITICAL(HW_GPU, "Unimplemented display transfer scaling mode %u", config.scaling.Value()); LOG_CRITICAL(HW_GPU, "Unimplemented display transfer scaling mode %u", config.scaling.Value());
UNIMPLEMENTED(); UNIMPLEMENTED();
break; break;
} }
if (config.output_tiled && if (config.input_linear && config.scaling != config.NoScale) {
(config.scaling == config.ScaleXY || config.scaling == config.ScaleX)) {
LOG_CRITICAL(HW_GPU, "Scaling is only implemented on tiled input"); LOG_CRITICAL(HW_GPU, "Scaling is only implemented on tiled input");
UNIMPLEMENTED(); UNIMPLEMENTED();
break; break;
@ -182,23 +228,6 @@ inline void Write(u32 addr, const T data) {
VideoCore::g_renderer->hw_rasterizer->NotifyPreRead(config.GetPhysicalInputAddress(), input_size); VideoCore::g_renderer->hw_rasterizer->NotifyPreRead(config.GetPhysicalInputAddress(), input_size);
if (config.raw_copy) {
// Raw copies do not perform color conversion nor tiled->linear / linear->tiled conversions
// TODO(Subv): Verify if raw copies perform scaling
memcpy(dst_pointer, src_pointer, output_size);
LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), output format: %x, flags 0x%08X, Raw copy",
output_size,
config.GetPhysicalInputAddress(), config.input_width.Value(), config.input_height.Value(),
config.GetPhysicalOutputAddress(), config.output_width.Value(), config.output_height.Value(),
config.output_format.Value(), config.flags);
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF);
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetPhysicalOutputAddress(), output_size);
break;
}
for (u32 y = 0; y < output_height; ++y) { for (u32 y = 0; y < output_height; ++y) {
for (u32 x = 0; x < output_width; ++x) { for (u32 x = 0; x < output_width; ++x) {
Math::Vec4<u8> src_color; Math::Vec4<u8> src_color;
@ -220,7 +249,7 @@ inline void Write(u32 addr, const T data) {
u32 src_offset; u32 src_offset;
u32 dst_offset; u32 dst_offset;
if (config.output_tiled) { if (config.input_linear) {
if (!config.dont_swizzle) { if (!config.dont_swizzle) {
// Interpret the input as linear and the output as tiled // Interpret the input as linear and the output as tiled
u32 coarse_y = y & ~7; u32 coarse_y = y & ~7;

34
src/core/hw/gpu.h
View file

@ -201,12 +201,14 @@ struct Regs {
u32 flags; u32 flags;
BitField< 0, 1, u32> flip_vertically; // flips input data vertically BitField< 0, 1, u32> flip_vertically; // flips input data vertically
BitField< 1, 1, u32> output_tiled; // Converts from linear to tiled format BitField< 1, 1, u32> input_linear; // Converts from linear to tiled format
BitField< 3, 1, u32> raw_copy; // Copies the data without performing any processing BitField< 2, 1, u32> crop_input_lines;
BitField< 3, 1, u32> is_texture_copy; // Copies the data without performing any processing and respecting texture copy fields
BitField< 5, 1, u32> dont_swizzle; BitField< 5, 1, u32> dont_swizzle;
BitField< 8, 3, PixelFormat> input_format; BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format; BitField<12, 3, PixelFormat> output_format;
/// Uses some kind of 32x32 block swizzling mode, instead of the usual 8x8 one.
BitField<16, 1, u32> block_32; // TODO(yuriks): unimplemented
BitField<24, 2, ScalingMode> scaling; // Determines the scaling mode of the transfer BitField<24, 2, ScalingMode> scaling; // Determines the scaling mode of the transfer
}; };
@ -214,10 +216,30 @@ struct Regs {
// it seems that writing to this field triggers the display transfer // it seems that writing to this field triggers the display transfer
u32 trigger; u32 trigger;
} display_transfer_config;
ASSERT_MEMBER_SIZE(display_transfer_config, 0x1c);
INSERT_PADDING_WORDS(0x331); INSERT_PADDING_WORDS(0x1);
struct {
u32 size;
union {
u32 input_size;
BitField< 0, 16, u32> input_width;
BitField<16, 16, u32> input_gap;
};
union {
u32 output_size;
BitField< 0, 16, u32> output_width;
BitField<16, 16, u32> output_gap;
};
} texture_copy;
} display_transfer_config;
ASSERT_MEMBER_SIZE(display_transfer_config, 0x2c);
INSERT_PADDING_WORDS(0x32D);
struct { struct {
// command list size (in bytes) // command list size (in bytes)