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GPU: Be robust against nullptr addresses; properly reset busy bits in the trigger registers.

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This commit is contained in:
Tony Wasserka 2015-04-18 02:37:41 +02:00
parent 279e19732c
commit 93d66475d4
1 changed files with 34 additions and 27 deletions
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61
src/core/hw/gpu.cpp
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@ -101,39 +101,43 @@ inline void Write(u32 addr, const T data) {
const bool is_second_filler = (index != GPU_REG_INDEX(memory_fill_config[0].trigger));
auto& config = g_regs.memory_fill_config[is_second_filler];
if (config.address_start && config.trigger) {
u8* start = Memory::GetPhysicalPointer(config.GetStartAddress());
u8* end = Memory::GetPhysicalPointer(config.GetEndAddress());
if (config.trigger) {
if (config.address_start) { // Some games pass invalid values here
u8* start = Memory::GetPhysicalPointer(config.GetStartAddress());
u8* end = Memory::GetPhysicalPointer(config.GetEndAddress());
if (config.fill_24bit) {
// fill with 24-bit values
for (u8* ptr = start; ptr < end; ptr += 3) {
ptr[0] = config.value_24bit_r;
ptr[1] = config.value_24bit_g;
ptr[2] = config.value_24bit_b;
if (config.fill_24bit) {
// fill with 24-bit values
for (u8* ptr = start; ptr < end; ptr += 3) {
ptr[0] = config.value_24bit_r;
ptr[1] = config.value_24bit_g;
ptr[2] = config.value_24bit_b;
}
} 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;
}
} 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());
if (!is_second_filler) {
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC0);
} else {
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC1);
}
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetStartAddress(), config.GetEndAddress() - config.GetStartAddress());
}
LOG_TRACE(HW_GPU, "MemoryFill from 0x%08x to 0x%08x", config.GetStartAddress(), config.GetEndAddress());
// Reset "trigger" flag and set the "finish" flag
// NOTE: This was confirmed to happen on hardware even if "address_start" is zero.
config.trigger = 0;
config.finished = 1;
if (!is_second_filler) {
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC0);
} else {
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC1);
}
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetStartAddress(), config.GetEndAddress() - config.GetStartAddress());
}
break;
}
@ -270,6 +274,7 @@ inline void Write(u32 addr, const T data) {
config.GetPhysicalOutputAddress(), output_width, output_height,
config.output_format.Value(), config.flags);
g_regs.display_transfer_config.trigger = 0;
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF);
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetPhysicalOutputAddress(), output_size);
@ -285,6 +290,8 @@ inline void Write(u32 addr, const T data) {
{
u32* buffer = (u32*)Memory::GetPhysicalPointer(config.GetPhysicalAddress());
Pica::CommandProcessor::ProcessCommandList(buffer, config.size);
g_regs.command_processor_config.trigger = 0;
}
break;
}