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Add support for a ridiculous number of texture formats.

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This commit is contained in:
Tony Wasserka 2014-12-10 21:51:00 +01:00
parent 40f123b7c0
commit 1c972ef3b9
3 changed files with 88 additions and 8 deletions
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9
src/citra_qt/debugger/graphics_cmdlists.cpp
View file

@ -69,6 +69,13 @@ TextureInfoDockWidget::TextureInfoDockWidget(const Pica::DebugUtils::TextureInfo
format_choice->addItem(tr("RGBA5551"));
format_choice->addItem(tr("RGB565"));
format_choice->addItem(tr("RGBA4"));
format_choice->addItem(tr("IA8"));
format_choice->addItem(tr("UNK6"));
format_choice->addItem(tr("I8"));
format_choice->addItem(tr("A8"));
format_choice->addItem(tr("IA4"));
format_choice->addItem(tr("UNK10"));
format_choice->addItem(tr("A4"));
format_choice->setCurrentIndex(static_cast<int>(info.format));
connect(format_choice, SIGNAL(currentIndexChanged(int)), this, SLOT(OnFormatChanged(int)));
@ -265,7 +272,7 @@ void GPUCommandListWidget::SetCommandInfo(const QModelIndex& index) {
auto format = Pica::registers.GetTextures()[index].format;
auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config, format);
u8* src = Memory::GetPointer(config.GetPhysicalAddress());
u8* src = Memory::GetPointer(Pica::PAddrToVAddr(config.GetPhysicalAddress()));
new_info_widget = new TextureInfoWidget(src, info);
} else {
new_info_widget = new QWidget;

65
src/video_core/debug_utils/debug_utils.cpp
View file

@ -418,6 +418,15 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
return Math::MakeVec<u8>((r << 3) | (r >> 2), (g << 3) | (g >> 2), (b << 3) | (b >> 2), disable_alpha ? 255 : (a * 255));
}
case Regs::TextureFormat::RGB565:
{
const u16 source_ptr = *(const u16*)(source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2);
u8 r = (source_ptr >> 11) & 0x1F;
u8 g = ((source_ptr) >> 5) & 0x3F;
u8 b = (source_ptr) & 0x1F;
return Math::MakeVec<u8>((r << 3) | (r >> 2), (g << 2) | (g >> 4), (b << 3) | (b >> 2), 255);
}
case Regs::TextureFormat::RGBA4:
{
const u8* source_ptr = source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2;
@ -432,6 +441,26 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
return { r, g, b, disable_alpha ? 255 : a };
}
case Regs::TextureFormat::IA8:
{
const u8* source_ptr = source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2;
// TODO: Better control this...
if (disable_alpha) {
return { *source_ptr, *(source_ptr+1), 0, 255 };
} else {
return { *source_ptr, *source_ptr, *source_ptr, *(source_ptr+1)};
}
}
case Regs::TextureFormat::I8:
{
const u8* source_ptr = source + coarse_x * block_height + coarse_y * info.stride + texel_index_within_tile;
// TODO: Better control this...
return { *source_ptr, *source_ptr, *source_ptr, 255 };
}
case Regs::TextureFormat::A8:
{
const u8* source_ptr = source + coarse_x * block_height + coarse_y * info.stride + texel_index_within_tile;
@ -444,6 +473,40 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
}
}
case Regs::TextureFormat::IA4:
{
const u8* source_ptr = source + coarse_x * block_height / 2 + coarse_y * info.stride + texel_index_within_tile / 2;
// TODO: Order?
u8 i = (*source_ptr)&0xF;
u8 a = ((*source_ptr) & 0xF0) >> 4;
a |= a << 4;
i |= i << 4;
// TODO: Better control this...
if (disable_alpha) {
return { i, a, 0, 255 };
} else {
return { i, i, i, a };
}
}
case Regs::TextureFormat::A4:
{
const u8* source_ptr = source + coarse_x * block_height / 2 + coarse_y * info.stride + texel_index_within_tile / 2;
// TODO: Order?
u8 a = (coarse_x % 2) ? ((*source_ptr)&0xF) : (((*source_ptr) & 0xF0) >> 4);
a |= a << 4;
// TODO: Better control this...
if (disable_alpha) {
return { *source_ptr, *source_ptr, *source_ptr, 255 };
} else {
return { 0, 0, 0, *source_ptr };
}
}
default:
LOG_ERROR(HW_GPU, "Unknown texture format: %x", (u32)info.format);
_dbg_assert_(HW_GPU, 0);
@ -459,7 +522,7 @@ TextureInfo TextureInfo::FromPicaRegister(const Regs::TextureConfig& config,
info.width = config.width;
info.height = config.height;
info.format = format;
info.stride = Pica::Regs::BytesPerPixel(info.format) * info.width;
info.stride = Pica::Regs::NibblesPerPixel(info.format) * info.width / 2;
return info;
}

22
src/video_core/pica.h
View file

@ -142,29 +142,39 @@ struct Regs {
RGBA5551 = 2,
RGB565 = 3,
RGBA4 = 4,
IA8 = 5,
I8 = 7,
A8 = 8,
IA4 = 9,
A4 = 11,
// TODO: Support for the other formats is not implemented, yet.
// Seems like they are luminance formats and compressed textures.
};
static unsigned BytesPerPixel(TextureFormat format) {
static unsigned NibblesPerPixel(TextureFormat format) {
switch (format) {
case TextureFormat::RGBA8:
return 4;
return 8;
case TextureFormat::RGB8:
return 3;
return 6;
case TextureFormat::RGBA5551:
case TextureFormat::RGB565:
case TextureFormat::RGBA4:
return 2;
case TextureFormat::IA8:
return 4;
default:
// placeholder for yet unknown formats
case TextureFormat::A4:
return 1;
case TextureFormat::I8:
case TextureFormat::A8:
case TextureFormat::IA4:
default: // placeholder for yet unknown formats
return 2;
}
}