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GPUDevice: Improve texture pooling

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This commit is contained in:
Stenzek
2023-12-20 20:28:37 +10:00
parent efaee4ab50
commit dc5e4120cd
17 changed files with 229 additions and 174 deletions
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39
src/util/gpu_texture.cpp
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@ -10,15 +10,17 @@
Log_SetChannel(GPUTexture);
GPUTexture::GPUTexture() = default;
GPUTexture::GPUTexture(u16 width, u16 height, u8 layers, u8 levels, u8 samples, Type type, Format format)
: m_width(width), m_height(height), m_layers(layers), m_levels(levels), m_samples(samples), m_type(type),
m_format(format)
{
GPUDevice::s_total_vram_usage += GetVRAMUsage();
}
GPUTexture::~GPUTexture() = default;
GPUTexture::~GPUTexture()
{
GPUDevice::s_total_vram_usage -= GetVRAMUsage();
}
const char* GPUTexture::GetFormatName(Format format)
{
@ -48,23 +50,30 @@ const char* GPUTexture::GetFormatName(Format format)
return format_names[static_cast<u8>(format)];
}
void GPUTexture::ClearBaseProperties()
{
m_width = 0;
m_height = 0;
m_layers = 0;
m_levels = 0;
m_samples = 0;
m_type = GPUTexture::Type::Unknown;
m_format = GPUTexture::Format::Unknown;
m_state = State::Dirty;
}
std::array<float, 4> GPUTexture::GetUNormClearColor() const
{
return GPUDevice::RGBA8ToFloat(m_clear_value.color);
}
size_t GPUTexture::GetVRAMUsage() const
{
if (m_levels == 1) [[likely]]
return ((static_cast<size_t>(m_width * m_height) * GetPixelSize(m_format)) * m_layers * m_samples);
const size_t ps = GetPixelSize(m_format) * m_layers * m_samples;
u32 width = m_width;
u32 height = m_height;
size_t ts = 0;
for (u32 i = 0; i < m_levels; i++)
{
width = (width > 1) ? (width / 2) : width;
height = (height > 1) ? (height / 2) : height;
ts += static_cast<size_t>(width * height) * ps;
}
return ts;
}
u32 GPUTexture::GetPixelSize(GPUTexture::Format format)
{
static constexpr std::array<u8, static_cast<size_t>(Format::MaxCount)> sizes = {{