lux/citra
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/citra.git synced 2024-11-26 10:03:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

gpu: fix edge cases for TextureCopy

Browse source
This commit is contained in:
wwylele 2017-06-27 23:20:13 +03:00
parent fa53ccc74b
commit bf16c73260
1 changed files with 24 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
src/core/hw/gpu.cpp
View file

@ -5,6 +5,7 @@
#include <cstring>
#include <numeric>
#include <type_traits>
#include "common/alignment.h"
#include "common/color.h"
#include "common/common_types.h"
#include "common/logging/log.h"
@ -313,7 +314,7 @@ static void TextureCopy(const Regs::DisplayTransferConfig& config) {
const PAddr src_addr = config.GetPhysicalInputAddress();
const PAddr dst_addr = config.GetPhysicalOutputAddress();
// TODO: do hwtest with these cases
// TODO: do hwtest with invalid addresses
if (!Memory::IsValidPhysicalAddress(src_addr)) {
LOG_CRITICAL(HW_GPU, "invalid input address 0x%08X", src_addr);
return;
@ -324,31 +325,36 @@ static void TextureCopy(const Regs::DisplayTransferConfig& config) {
return;
}
if (config.texture_copy.input_width == 0) {
LOG_CRITICAL(HW_GPU, "zero input width");
return;
}
if (config.texture_copy.output_width == 0) {
LOG_CRITICAL(HW_GPU, "zero output width");
return;
}
if (config.texture_copy.size == 0) {
LOG_CRITICAL(HW_GPU, "zero size");
return;
}
if (VideoCore::g_renderer->Rasterizer()->AccelerateTextureCopy(config))
return;
u8* src_pointer = Memory::GetPhysicalPointer(src_addr);
u8* dst_pointer = Memory::GetPhysicalPointer(dst_addr);
u32 input_width = config.texture_copy.input_width * 16;
u32 remaining_size = Common::AlignDown(config.texture_copy.size, 16);
if (remaining_size == 0) {
// Real hardware freeze on this
LOG_CRITICAL(HW_GPU, "zero size");
return;
}
u32 input_gap = config.texture_copy.input_gap * 16;
u32 output_width = config.texture_copy.output_width * 16;
u32 input_width = input_gap == 0 ? remaining_size : config.texture_copy.input_width * 16;
u32 output_gap = config.texture_copy.output_gap * 16;
u32 output_width = output_gap == 0 ? remaining_size : config.texture_copy.output_width * 16;
if (input_width == 0) {
// Real hardware freeze on this
LOG_CRITICAL(HW_GPU, "zero input width");
return;
}
if (output_width == 0) {
// Real hardware freeze on this
LOG_CRITICAL(HW_GPU, "zero output width");
return;
}
size_t contiguous_input_size =
config.texture_copy.size / input_width * (input_width + input_gap);
@ -360,7 +366,6 @@ static void TextureCopy(const Regs::DisplayTransferConfig& config) {
Memory::RasterizerFlushAndInvalidateRegion(config.GetPhysicalOutputAddress(),
static_cast<u32>(contiguous_output_size));
u32 remaining_size = config.texture_copy.size;
u32 remaining_input = input_width;
u32 remaining_output = output_width;
while (remaining_size > 0) {