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GPU: Emulate memory fills.

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This commit is contained in:
Tony Wasserka 2014-06-04 18:30:23 +02:00
parent 0b4055c152
commit baf0aa04f5
4 changed files with 89 additions and 3 deletions
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56
src/core/hw/gpu.cpp
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@ -84,6 +84,26 @@ const u8* GetFramebufferPointer(const u32 address) {
template <typename T>
inline void Read(T &var, const u32 addr) {
switch (addr) {
case Registers::MemoryFillStart1:
case Registers::MemoryFillStart2:
var = g_regs.memory_fill[(addr - Registers::MemoryFillStart1) / 0x10].address_start;
break;
case Registers::MemoryFillEnd1:
case Registers::MemoryFillEnd2:
var = g_regs.memory_fill[(addr - Registers::MemoryFillEnd1) / 0x10].address_end;
break;
case Registers::MemoryFillSize1:
case Registers::MemoryFillSize2:
var = g_regs.memory_fill[(addr - Registers::MemoryFillSize1) / 0x10].size;
break;
case Registers::MemoryFillValue1:
case Registers::MemoryFillValue2:
var = g_regs.memory_fill[(addr - Registers::MemoryFillValue1) / 0x10].value;
break;
case Registers::FramebufferTopSize:
var = g_regs.top_framebuffer.size;
break;
@ -194,6 +214,40 @@ inline void Read(T &var, const u32 addr) {
template <typename T>
inline void Write(u32 addr, const T data) {
switch (static_cast<Registers::Id>(addr)) {
case Registers::MemoryFillStart1:
case Registers::MemoryFillStart2:
g_regs.memory_fill[(addr - Registers::MemoryFillStart1) / 0x10].address_start = data;
break;
case Registers::MemoryFillEnd1:
case Registers::MemoryFillEnd2:
g_regs.memory_fill[(addr - Registers::MemoryFillEnd1) / 0x10].address_end = data;
break;
case Registers::MemoryFillSize1:
case Registers::MemoryFillSize2:
g_regs.memory_fill[(addr - Registers::MemoryFillSize1) / 0x10].size = data;
break;
case Registers::MemoryFillValue1:
case Registers::MemoryFillValue2:
{
Registers::MemoryFillConfig& config = g_regs.memory_fill[(addr - Registers::MemoryFillValue1) / 0x10];
config.value = data;
// 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(config.GetStartAddress());
u32* end = (u32*)Memory::GetPointer(config.GetEndAddress());
for (u32* ptr = start; ptr < end; ++ptr)
*ptr = bswap32(config.value); // TODO: This is just a workaround to missing framebuffer format emulation
DEBUG_LOG(GPU, "MemoryFill from %x to %x", config.GetStartAddress(), config.GetEndAddress());
}
break;
}
// TODO: Framebuffer registers!!
case Registers::FramebufferTopSwapBuffers:
g_regs.top_framebuffer.active_fb = data;
@ -240,8 +294,6 @@ inline void Write(u32 addr, const T data) {
g_regs.display_transfer.output_width * 4);
}
// Clear previous contents until we implement proper buffer clearing
memset(source_pointer, 0x20, g_regs.display_transfer.input_width*g_regs.display_transfer.input_height*4);
DEBUG_LOG(GPU, "DisplayTriggerTransfer: %x bytes from %x(%xx%x)-> %x(%xx%x), dst format %x",
g_regs.display_transfer.output_height * g_regs.display_transfer.output_width * 4,
g_regs.display_transfer.GetPhysicalInputAddress(), (int)g_regs.display_transfer.input_width, (int)g_regs.display_transfer.input_height,