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KRTexture::getMemRequiredForLod and KRTexture::getLodData now interpret the passed lod level as a single mip rather than the mip chain starting at the passed lod level.
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Added KRTexture::getMemRequiredForLodRange
This commit is contained in:
Kearwood Gilbert
2026-03-19 00:54:36 -07:00
parent d560ba46c7
commit b205fe2e0d
12 changed files with 77 additions and 187 deletions
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66
kraken/resources/texture/KRTextureKTX.cpp
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@@ -82,7 +82,7 @@ KRTextureKTX::KRTextureKTX(KRContext& context, Block* data, std::string name) :
}
}
m_lod_count = (int)KRMAX(m_header.numberOfMipmapLevels, 1) - 1;
m_lod_count = (int)KRMAX(m_header.numberOfMipmapLevels, 1);
}
KRTextureKTX::KRTextureKTX(KRContext& context, std::string name, unsigned int internal_format, unsigned int base_internal_format, int width, int height, const std::list<Block*>& blocks) : KRTexture2D(context, new Block(), name)
@@ -119,7 +119,7 @@ KRTextureKTX::KRTextureKTX(KRContext& context, std::string name, unsigned int in
KRTextureKTX::~KRTextureKTX()
{
for (std::list<Block*>::iterator itr = m_blocks.begin(); itr != m_blocks.end(); itr++) {
for (std::vector<Block*>::iterator itr = m_blocks.begin(); itr != m_blocks.end(); itr++) {
Block* block = *itr;
delete block;
}
@@ -362,74 +362,20 @@ VkFormat KRTextureKTX::getFormat() const
long KRTextureKTX::getMemRequiredForLod(int lod)
{
// Determine how much memory will be consumed
long memoryRequired = 0;
int level = 0;
for (std::list<Block*>::iterator itr = m_blocks.begin(); itr != m_blocks.end(); itr++) {
Block* block = *itr;
if (level >= lod) {
memoryRequired += (long)block->getSize();
}
level++;
}
return memoryRequired;
int target_lod = KRMIN(lod, m_lod_count - 1);
return (long)m_blocks[target_lod]->getSize();
}
bool KRTextureKTX::getLodData(void* buffer, int lod)
{
unsigned char* converted_image = (unsigned char*)buffer;
int target_lod = KRMIN(lod, m_lod_count);
if (m_blocks.size() == 0) {
return false;
}
// Determine how much memory will be consumed
long memoryRequired = 0;
long memoryTransferred = 0;
// Upload texture data
int level = 0;
for (std::list<Block*>::iterator itr = m_blocks.begin(); itr != m_blocks.end(); itr++) {
Block* block = *itr;
if (level >= target_lod) {
/*
if (width > current_lod_max_dim) {
current_lod_max_dim = width;
}
if (height > current_lod_max_dim) {
current_lod_max_dim = height;
}
*/
block->lock();
/*
* TODO - Vulkan Refactoring
GLDEBUG(glCompressedTexImage2D(target, destination_level, (unsigned int)m_header.glInternalFormat, width, height, 0, (int)block->getSize(), block->getStart()));
*/
block->unlock();
memoryTransferred += (long)block->getSize(); // memoryTransferred does not include throughput of mipmap levels copied through glCopyTextureLevelsAPPLE
memoryRequired += (long)block->getSize();
//
// err = glGetError();
// if (err != GL_NO_ERROR) {
// assert(false);
// return false;
// }
//
}
level++;
}
int target_lod = KRMIN(lod, m_lod_count - 1);
m_blocks[target_lod]->copy(buffer);
return true;
}
std::string KRTextureKTX::getExtension()