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[GPU] Ignore mipmap level count when mip data address is invalid.

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gibbed
2018-06-01 22:04:13 -05:00
parent 0d429fc7d7
commit b35fe935f9
2 changed files with 39 additions and 18 deletions
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33
src/xenia/gpu/texture_info.cc
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@@ -62,7 +62,8 @@ bool TextureInfo::Prepare(const xe_gpu_texture_fetch_t& fetch,
break;
}
info.pitch = fetch.pitch << 5;
info.mip_levels = fetch.packed_mips ? fetch.mip_max_level + 1 : 1;
assert_true(fetch.mip_min_level == 0);
info.mip_levels = 1 + fetch.mip_max_level;
info.is_tiled = fetch.tiled;
info.has_packed_mips = fetch.packed_mips;
@@ -77,6 +78,12 @@ bool TextureInfo::Prepare(const xe_gpu_texture_fetch_t& fetch,
info.extent = TextureExtent::Calculate(out_info, true);
info.SetupMemoryInfo(fetch.base_address << 12, fetch.mip_address << 12);
if (!info.memory.mip_address) {
// No mip data? One mip level, period.
info.mip_levels = 1;
}
return true;
}
@@ -149,7 +156,7 @@ void TextureInfo::GetMipSize(uint32_t mip, uint32_t* out_width,
uint32_t TextureInfo::GetMipLocation(uint32_t mip, uint32_t* offset_x,
uint32_t* offset_y, bool is_guest) const {
if (mip == 0) {
// Short-circuit. Mip 0 is always stored in guest_address.
// Short-circuit. Mip 0 is always stored in base_address.
if (!has_packed_mips) {
*offset_x = 0;
*offset_y = 0;
@@ -159,6 +166,13 @@ uint32_t TextureInfo::GetMipLocation(uint32_t mip, uint32_t* offset_x,
return memory.base_address;
}
if (!memory.mip_address) {
// Short-circuit. There is no mip data.
*offset_x = 0;
*offset_y = 0;
return 0;
}
uint32_t address_base, address_offset;
address_base = memory.mip_address;
address_offset = 0;
@@ -296,20 +310,21 @@ void TextureInfo::SetupMemoryInfo(uint32_t base_address, uint32_t mip_address) {
memory.mip_address = 0;
memory.mip_size = 0;
if (mip_levels <= 1) {
if (mip_levels <= 1 || !mip_address) {
// Sort circuit. Only one mip.
return;
}
if (!mip_address || base_address == mip_address) {
memory.mip_address = base_address;
memory.mip_address += GetMipExtent(0, true).all_blocks() * bytes_per_block;
} else {
memory.mip_address = mip_address;
if (base_address == mip_address) {
// TODO(gibbed): This doesn't actually make any sense. Force only one mip.
// Offending title issues: #26, #45
return;
}
memory.mip_address = mip_address;
if (!has_packed_mips) {
for (uint32_t mip = 0; mip < mip_levels - 1; mip++) {
for (uint32_t mip = 1; mip < mip_levels - 1; mip++) {
memory.mip_size += GetMipExtent(mip, true).all_blocks() * bytes_per_block;
}
memory.mip_size +=