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Improved Texture mipmap support 

Former-commit-id: 0fc3e003a6524e5c026712a3dc695cf80817ea88
This commit is contained in:
Lynix 2013-09-29 10:50:27 +02:00
parent 8ce5f879a8
commit b01fad269e
2 changed files with 30 additions and 14 deletions
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8
include/Nazara/Renderer/Texture.hpp
View File

@ -25,6 +25,9 @@ struct NzTextureImpl;
class NAZARA_API NzTexture : public NzResource, NzNonCopyable
{
friend class NzRenderer;
friend class NzRenderTexture;
public:
NzTexture() = default;
explicit NzTexture(const NzImage& image);
@ -37,6 +40,8 @@ class NAZARA_API NzTexture : public NzResource, NzNonCopyable
bool EnableMipmapping(bool enable);
void EnsureMipmapsUpdate() const;
nzUInt8 GetBytesPerPixel() const;
unsigned int GetDepth() const;
nzPixelFormat GetFormat() const;
@ -82,7 +87,6 @@ class NAZARA_API NzTexture : public NzResource, NzNonCopyable
bool UpdateFace(nzCubemapFace face, const nzUInt8* pixels, const NzRectui& rect, unsigned int srcWidth = 0, unsigned int srcHeight = 0, nzUInt8 level = 0);
// Fonctions OpenGL
bool Bind() const;
unsigned int GetOpenGLID() const;
static unsigned int GetValidSize(unsigned int size);
@ -91,6 +95,8 @@ class NAZARA_API NzTexture : public NzResource, NzNonCopyable
static bool IsTypeSupported(nzImageType type);
private:
void InvalidateMipmaps();
NzTextureImpl* m_impl = nullptr;
};

36
src/Nazara/Renderer/Texture.cpp
View File

@ -398,6 +398,16 @@ bool NzTexture::EnableMipmapping(bool enable)
return true;
}
void NzTexture::EnsureMipmapsUpdate() const
{
if (m_impl->mipmapping && !m_impl->mipmapsUpdated)
{
NzOpenGL::BindTexture(m_impl->type, m_impl->id);
glGenerateMipmap(NzOpenGL::TextureTarget[m_impl->type]);
m_impl->mipmapsUpdated = true;
}
}
nzUInt8 NzTexture::GetBytesPerPixel() const
{
#if NAZARA_RENDERER_SAFE
@ -1224,19 +1234,6 @@ bool NzTexture::UpdateFace(nzCubemapFace face, const nzUInt8* pixels, const NzRe
return true;
}
bool NzTexture::Bind() const
{
NzOpenGL::BindTexture(m_impl->type, m_impl->id);
if (m_impl->mipmapping && !m_impl->mipmapsUpdated)
{
glGenerateMipmap(NzOpenGL::TextureTarget[m_impl->type]);
m_impl->mipmapsUpdated = true;
}
return true;
}
unsigned int NzTexture::GetOpenGLID() const
{
#if NAZARA_RENDERER_SAFE
@ -1372,3 +1369,16 @@ bool NzTexture::IsTypeSupported(nzImageType type)
NazaraError("Image type not handled (0x" + NzString::Number(type, 16) + ')');
return false;
}
void NzTexture::InvalidateMipmaps()
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraInternalError("Texture must be valid");
return;
}
#endif
m_impl->mipmapsUpdated = false;
}