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Added class AbstractImage, inherited by Image and Texture

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Former-commit-id: 16e5db4937a145ac244d6c70e4c74662622f86d9
This commit is contained in:
Lynix
2015-01-05 15:08:29 +01:00
parent 304b4d13cc
commit e3f7644831
7 changed files with 178 additions and 82 deletions
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123
src/Nazara/Renderer/Texture.cpp
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@@ -8,6 +8,7 @@
#include <Nazara/Renderer/Context.hpp>
#include <Nazara/Renderer/Renderer.hpp>
#include <Nazara/Renderer/OpenGL.hpp>
#include <Nazara/Utility/PixelFormat.hpp>
#include <memory>
#include <stdexcept>
#include <Nazara/Renderer/Debug.hpp>
@@ -311,19 +312,6 @@ void NzTexture::EnsureMipmapsUpdate() const
}
}
nzUInt8 NzTexture::GetBytesPerPixel() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return 0;
}
#endif
return NzPixelFormat::GetBytesPerPixel(m_impl->format);
}
unsigned int NzTexture::GetDepth(nzUInt8 level) const
{
#if NAZARA_RENDERER_SAFE
@@ -363,6 +351,89 @@ unsigned int NzTexture::GetHeight(nzUInt8 level) const
return GetLevelSize(m_impl->height, level);
}
nzUInt8 NzTexture::GetLevelCount() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return 0;
}
#endif
return m_impl->levelCount;
}
nzUInt8 NzTexture::GetMaxLevel() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return 0;
}
#endif
return NzImage::GetMaxLevel(m_impl->type, m_impl->width, m_impl->height, m_impl->depth);
}
unsigned int NzTexture::GetMemoryUsage() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return 0;
}
#endif
unsigned int width = m_impl->width;
unsigned int height = m_impl->height;
unsigned int depth = m_impl->depth;
unsigned int size = 0;
for (unsigned int i = 0; i < m_impl->levelCount; ++i)
{
size += width * height * depth;
if (width > 1)
width >>= 1;
if (height > 1)
height >>= 1;
if (depth > 1)
depth >>= 1;
}
if (m_impl->type == nzImageType_Cubemap)
size *= 6;
return size * NzPixelFormat::GetBytesPerPixel(m_impl->format);
}
unsigned int NzTexture::GetMemoryUsage(nzUInt8 level) const
{
#if NAZARA_UTILITY_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return 0;
}
if (level >= m_impl->levelCount)
{
NazaraError("Level out of bounds (" + NzString::Number(level) + " >= " + NzString::Number(m_impl->levelCount) + ')');
return 0;
}
#endif
return (GetLevelSize(m_impl->width, level)) *
(GetLevelSize(m_impl->height, level)) *
((m_impl->type == nzImageType_Cubemap) ? 6 : GetLevelSize(m_impl->depth, level)) *
NzPixelFormat::GetBytesPerPixel(m_impl->format);
}
NzVector3ui NzTexture::GetSize(nzUInt8 level) const
{
#if NAZARA_RENDERER_SAFE
@@ -415,32 +486,6 @@ bool NzTexture::HasMipmaps() const
return m_impl->levelCount > 1;
}
bool NzTexture::IsCompressed() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return false;
}
#endif
return NzPixelFormat::IsCompressed(m_impl->format);
}
bool NzTexture::IsCubemap() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Texture must be valid");
return false;
}
#endif
return m_impl->type == nzImageType_Cubemap;
}
bool NzTexture::IsValid() const
{
return m_impl != nullptr;