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GPU: Properly implement memory fills.

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This commit is contained in:
Tony Wasserka 2015-01-01 19:58:18 +01:00
parent 745b42d236
commit 0da6a7e234
4 changed files with 76 additions and 31 deletions
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8
src/core/hle/service/gsp_gpu.cpp
View file

@ -372,15 +372,15 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
Memory::VirtualToPhysicalAddress(params.start1) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].address_end)),
Memory::VirtualToPhysicalAddress(params.end1) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].size)), params.end1 - params.start1);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].value)), params.value1);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].value_32bit)), params.value1);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].control)), params.control1);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].address_start)),
Memory::VirtualToPhysicalAddress(params.start2) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].address_end)),
Memory::VirtualToPhysicalAddress(params.end2) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].size)), params.end2 - params.start2);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].value)), params.value2);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].value_32bit)), params.value2);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].control)), params.control2);
break;
}

4
src/core/hle/service/gsp_gpu.h
View file

@ -109,9 +109,13 @@ struct Command {
u32 start1;
u32 value1;
u32 end1;
u32 start2;
u32 value2;
u32 end2;
u16 control1;
u16 control2;
} memory_fill;
struct {

39
src/core/hw/gpu.cpp
View file

@ -67,23 +67,38 @@ inline void Write(u32 addr, const T data) {
switch (index) {
// Memory fills are triggered once the fill value is written.
// NOTE: This is not verified.
case GPU_REG_INDEX_WORKAROUND(memory_fill_config[0].value, 0x00004 + 0x3):
case GPU_REG_INDEX_WORKAROUND(memory_fill_config[1].value, 0x00008 + 0x3):
case GPU_REG_INDEX_WORKAROUND(memory_fill_config[0].trigger, 0x00004 + 0x3):
case GPU_REG_INDEX_WORKAROUND(memory_fill_config[1].trigger, 0x00008 + 0x3):
{
const bool is_second_filler = (index != GPU_REG_INDEX(memory_fill_config[0].value));
const auto& config = g_regs.memory_fill_config[is_second_filler];
const bool is_second_filler = (index != GPU_REG_INDEX(memory_fill_config[0].trigger));
auto& config = g_regs.memory_fill_config[is_second_filler];
// TODO: Not sure if this check should be done at GSP level instead
if (config.address_start) {
// TODO: Not sure if this algorithm is correct, particularly because it doesn't use the size member at all
u32* start = (u32*)Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetStartAddress()));
u32* end = (u32*)Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetEndAddress()));
for (u32* ptr = start; ptr < end; ++ptr)
*ptr = bswap32(config.value); // TODO: This is just a workaround to missing framebuffer format emulation
if (config.address_start && config.trigger) {
u8* start = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetStartAddress()));
u8* end = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetEndAddress()));
if (config.fill_24bit) {
// fill with 24-bit values
for (u8* ptr = start; ptr < end; ptr += 3) {
ptr[0] = config.value_24bit_b;
ptr[1] = config.value_24bit_g;
ptr[2] = config.value_24bit_r;
}
} else if (config.fill_32bit) {
// fill with 32-bit values
for (u32* ptr = (u32*)start; ptr < (u32*)end; ++ptr)
*ptr = config.value_32bit;
} else {
// fill with 16-bit values
for (u16* ptr = (u16*)start; ptr < (u16*)end; ++ptr)
*ptr = config.value_16bit;
}
LOG_TRACE(HW_GPU, "MemoryFill from 0x%08x to 0x%08x", config.GetStartAddress(), config.GetEndAddress());
config.trigger = 0;
config.finished = 1;
if (!is_second_filler) {
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC0);
} else {

32
src/core/hw/gpu.h
View file

@ -84,9 +84,35 @@ struct Regs {
struct {
u32 address_start;
u32 address_end; // ?
u32 size;
u32 value; // ?
u32 address_end;
union {
u32 value_32bit;
BitField<0, 16, u32> value_16bit;
// TODO: Verify component order
BitField< 0, 8, u32> value_24bit_r;
BitField< 8, 8, u32> value_24bit_g;
BitField<16, 8, u32> value_24bit_b;
};
union {
u32 control;
// Setting this field to 1 triggers the memory fill.
// This field also acts as a status flag, and gets reset to 0 upon completion.
BitField<0, 1, u32> trigger;
// Set to 1 upon completion.
BitField<0, 1, u32> finished;
// 0: fill with 16- or 32-bit wide values; 1: fill with 24-bit wide values
BitField<8, 1, u32> fill_24bit;
// 0: fill with 16-bit wide values; 1: fill with 32-bit wide values
BitField<9, 1, u32> fill_32bit;
};
inline u32 GetStartAddress() const {
return DecodeAddressRegister(address_start);