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#include "texture_manager.hpp"
#include "symbols_texture.hpp"
#include "font_texture.hpp"
#include "dynamic_texture.hpp"
#include "stipple_pen_resource.hpp"
#include "texture_of_colors.hpp"
#include "glfunctions.hpp"
#include "../platform/platform.hpp"
#include "../coding/file_name_utils.hpp"
#include "../base/stl_add.hpp"
#include "../std/vector.hpp"
#include "../std/bind.hpp"
namespace dp
{
class TextureManager::TextureSet
{
public:
TextureSet(uint32_t maxSize)
: m_maxSize(maxSize)
{
}
~TextureSet()
{
GetRangeDeletor(m_textures, MasterPointerDeleter())();
}
bool IsFull() const
{
return !(m_textures.size() < m_maxSize);
}
void AddTexture(TransferPointer<Texture> texture)
{
ASSERT(!IsFull(), ());
m_textures.push_back(MasterPointer<Texture>(texture));
}
Texture::ResourceInfo const * FindResource(Texture::Key const & key,
TextureManager::TextureNode & node) const
{
for (size_t i = 0; i < m_textures.size(); ++i)
{
RefPointer<Texture> texture = m_textures[i].GetRefPointer();
Texture::ResourceInfo const * info = texture->FindResource(key);
if (info != NULL)
{
node.m_width = texture->GetWidth();
node.m_height = texture->GetHeight();
node.m_textureOffset = i;
return info;
}
}
return NULL;
}
void UpdateDynamicTextures()
{
for_each(m_textures.begin(), m_textures.end(), bind(&Texture::UpdateState,
bind(&NonConstGetter<Texture>, _1)));
}
void BindTextureSet() const
{
for (size_t i = 0; i < m_textures.size(); ++i)
{
GLFunctions::glActiveTexture(gl_const::GLTexture0 + i);
m_textures[i]->Bind();
}
}
uint32_t GetSize() const
{
return m_textures.size();
}
private:
vector<MasterPointer<Texture> > m_textures;
uint32_t m_maxSize;
};
int TextureManager::GetMaxTextureSet() const
{
return m_textures.size();
}
void TextureManager::UpdateDynamicTextures()
{
for_each(m_textures.begin(), m_textures.end(), bind(&TextureSet::UpdateDynamicTextures,
bind(&NonConstGetter<TextureSet>, _1)));
}
void TextureManager::Init(string const & resourcePrefix)
{
// in shader we handle only 8 textures
m_maxTextureBlocks = min(8, GLFunctions::glGetInteger(gl_const::GLMaxFragmentTextures));
SymbolsTexture * symbols = new SymbolsTexture();
symbols->Load(my::JoinFoldersToPath(string("resources-") + resourcePrefix, "symbols"));
TextureSet * defaultSet = new TextureSet(m_maxTextureBlocks);
defaultSet->AddTexture(MovePointer<Texture>(symbols));
typedef DynamicTexture<StipplePenIndex, StipplePenKey, Texture::StipplePen> TStippleTexture;
typedef DynamicTexture<ColorPalette, ColorKey, Texture::Color> TColorTexture;
defaultSet->AddTexture(MovePointer<Texture>(new TStippleTexture(m2::PointU(1024, 1024), dp::ALPHA)));
defaultSet->AddTexture(MovePointer<Texture>(new TColorTexture(m2::PointU(1024, 1024), dp::RGBA8)));
m_textures.push_back(MasterPointer<TextureSet>(defaultSet));
vector<TransferPointer<Texture> > tempTextures;
LoadFont(string("resources-common/font"), tempTextures);
for (size_t i = 0; i < tempTextures.size(); ++i)
{
RefPointer<TextureSet> set = m_textures.back().GetRefPointer();
if (set->IsFull())
{
m_textures.push_back(MasterPointer<TextureSet>(new TextureSet(m_maxTextureBlocks)));
set = m_textures.back().GetRefPointer();
}
set->AddTexture(tempTextures[i]);
}
RefPointer<TextureSet> textureSet = m_textures.back().GetRefPointer();
if (textureSet->IsFull())
{
m_textures.push_back(MasterPointer<TextureSet>(new TextureSet(m_maxTextureBlocks)));
textureSet = m_textures.back().GetRefPointer();
}
}
void TextureManager::Release()
{
DeleteRange(m_textures, MasterPointerDeleter());
}
void TextureManager::GetSymbolRegion(string const & symbolName, SymbolRegion & region) const
{
SymbolsTexture::SymbolKey key(symbolName);
TextureNode node;
node.m_textureSet = 0;
Texture::ResourceInfo const * info = m_textures[0]->FindResource(key, node);
ASSERT(node.m_textureOffset != -1, ());
region.SetResourceInfo(info);
region.SetTextureNode(node);
}
template <typename TKey, typename TRegion>
bool TextureManager::FindResource(TKey const & key, TRegion & region) const
{
for (size_t i = 0; i < m_textures.size(); ++i)
{
TextureNode node;
Texture::ResourceInfo const * info = m_textures[i]->FindResource(key, node);
if (info != NULL)
{
node.m_textureSet = i;
region.SetTextureNode(node);
region.SetResourceInfo(info);
return true;
}
}
return false;
}
bool TextureManager::GetGlyphRegion(strings::UniChar charCode, GlyphRegion & region) const
{
FontTexture::GlyphKey key(charCode);
return FindResource(key, region);
}
void TextureManager::GetStippleRegion(StipplePenKey const & pen, TextureSetHolder::StippleRegion & region) const
{
VERIFY(FindResource(pen, region), ());
}
void TextureManager::GetColorRegion(ColorKey const & pen, TextureSetHolder::ColorRegion & region) const
{
VERIFY(FindResource(pen, region), ());
}
void TextureManager::BindTextureSet(uint32_t textureSet) const
{
ASSERT_LESS(textureSet, m_textures.size(), ());
m_textures[textureSet]->BindTextureSet();
}
uint32_t TextureManager::GetTextureCount(uint32_t textureSet) const
{
ASSERT_LESS(textureSet, m_textures.size(), ());
return m_textures[textureSet]->GetSize();
}
TextureSetBinder::TextureSetBinder(RefPointer<TextureManager> manager)
: m_manager(manager)
{
}
void TextureSetBinder::BindTextureSet(uint32_t textureSet) const
{
m_manager->BindTextureSet(textureSet);
}
uint32_t TextureSetBinder::GetTextureCount(uint32_t textureSet) const
{
return m_manager->GetTextureCount(textureSet);
}
} // namespace dp
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