std::shared_ptr<Texture> Pass::GetTexture(const std::string &name, bool input) const
{
unsigned int index = GetTextureIndex(name, input);
if (index == -1) return nullptr;
return input ? m_InputTextures[index] : m_OutputTextures[index];
}
std::vector<Texture> Model::LoadMaterialTextures(aiMaterial* pMaterial, aiTextureType textureType, aiScene const* pScene)
{
std::vector<Texture> materialTextures;
TextureStorageType storeType = TextureStorageType::Invalid;
unsigned int textureCount = pMaterial->GetTextureCount(textureType);
if (textureCount == 0) // If there are no textures.
{
storeType = TextureStorageType::None;
aiColor3D aiColor(0.0f, 0.0f, 0.0f);
switch (textureType)
{
case aiTextureType::aiTextureType_DIFFUSE:
{
pMaterial->Get(AI_MATKEY_COLOR_DIFFUSE, aiColor);
if (aiColor.IsBlack())
{
materialTextures.push_back(Texture(device, Colors::UnloadedTextureColor, textureType));
return materialTextures;
}
materialTextures.push_back(Texture(device, Color(static_cast<uint8>(aiColor.r * 255), static_cast<uint8>(aiColor.g * 255), static_cast<uint8>(aiColor.b * 255)), textureType));
return materialTextures;
}
}
}
else
{
for (UINT i = 0; i < textureCount; ++i)
{
aiString path;
pMaterial->GetTexture(textureType, i, &path);
storeType = DetermineTextureStorageType(pScene, pMaterial, i, textureType);
switch (storeType)
{
case TextureStorageType::EmbeddedIndexCompressed:
{
int index = GetTextureIndex(&path);
Texture embeddedIndexedTexture(device, reinterpret_cast<uint8*>(pScene->mTextures[index]->pcData),
pScene->mTextures[index]->mWidth, textureType);
materialTextures.push_back(embeddedIndexedTexture);
break;
}
case TextureStorageType::EmbeddedCompressed:
{
aiTexture const* pTexture = pScene->GetEmbeddedTexture(path.C_Str());
Texture embeddedTexture(device, reinterpret_cast<uint8*>(pTexture->pcData),
pTexture->mWidth, textureType);
materialTextures.push_back(embeddedTexture);
break;
}
case TextureStorageType::Disk:
{
std::string fileName = directory + '\\' + path.C_Str();
Texture diskTexture(device, fileName, textureType);
materialTextures.push_back(diskTexture);
break;
}
}
}
}
if (materialTextures.size() == 0)
{
materialTextures.push_back(Texture(device, Colors::UnhandledTextureColor, textureType));
}
return materialTextures;
}
bool KG3DFontTexture::InitGlyphBorder(UINT charCode, void* ftGlyph, KG3DTextureGlyph* fontGlyph)
{
BOOL bRetCode = FALSE;
FT_GlyphSlot pGlyphSlot = (FT_GlyphSlot)ftGlyph;
FT_Error nError = 0;
FT_Bitmap bitmap;
FT_UInt nGlyph = 0;
FT_F26Dot6 FontSize = 0;
KG3DTextureGlyph* pGlyphFont = (KG3DTextureGlyph*)fontGlyph;
ASSERT(pGlyphSlot);
ASSERT(pGlyphFont);
KGLOG_PROCESS_ERROR(pGlyphSlot);
nGlyph = FT_Get_Char_Index(m_pFontFace, charCode);
KGLOG_PROCESS_ERROR(nGlyph != 0);
FontSize = FontFixMul(m_InitParams.fPixel);
nError = FT_Set_Char_Size(m_pFontFace, FontSize, 0, 0, 0);
KGLOG_PROCESS_ERROR(nError == 0);
nError = FT_Load_Glyph(m_pFontFace, nGlyph, m_InitParams.dwLoadFlag);
KGLOG_PROCESS_ERROR(nError == 0);
nError = FT_Render_Glyph(pGlyphSlot, (FT_Render_Mode)m_InitParams.dwRenderMode);
KGLOG_PROCESS_ERROR(nError == 0);
KGLOG_PROCESS_ERROR(pGlyphSlot->format == FT_GLYPH_FORMAT_BITMAP);
// request glyph texture
pGlyphFont->nBoderTextureID = GetTextureIndex();
KGLOG_PROCESS_ERROR(pGlyphFont->nBoderTextureID != KG3DFontRenderer::INVALID_TEXTURE_INDEX);
// upload sub texture
bitmap = pGlyphSlot->bitmap;
pGlyphFont->vBorderU.x = (float)(m_uEmptyTextureX - 1) / (float)m_uTextureWidth;
pGlyphFont->vBorderU.y = (float)(m_uEmptyTextureY - 1) / (float)m_uTextureHeight;
pGlyphFont->vBorderV.x = (float)(m_uEmptyTextureX + bitmap.width + 1) / (float)m_uTextureWidth;
pGlyphFont->vBorderV.y = (float)(m_uEmptyTextureY + bitmap.rows + 1) / (float)m_uTextureHeight;
// empty glyph?
// 如果轮廓线没有被上载，FreeType 使用的位图渲染模式为 1bit/pixel
if (0 == pGlyphSlot->outline.n_contours && 0 == pGlyphSlot->outline.n_points || FT_PIXEL_MODE_MONO == bitmap.pixel_mode)
{
bRetCode = m_pRenderer->UploadMonoBoderTexture(pGlyphFont->nBoderTextureID, 0, m_uEmptyTextureX, m_uEmptyTextureY,
(UINT)pGlyphFont->cx,
(UINT)pGlyphFont->cy,
(UINT)bitmap.pitch,
bitmap.buffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
else
{
bRetCode = m_pRenderer->UploadBoderTexture(pGlyphFont->nBoderTextureID, 0, m_uEmptyTextureX, m_uEmptyTextureY,
(UINT)pGlyphFont->cx,
(UINT)pGlyphFont->cy,
bitmap.buffer, m_uchAdjustBuffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
m_uEmptyTextureX += static_cast<INT>( pGlyphFont->cx );
m_uEmptyTextureX += KG3DFONT_DEFAULT_PADDING;
return true;
Exit0:
return false;
}
bool KG3DFontTexture::InitGlyph(UINT charCode, void* ftGlyph, KG3DTextureGlyph* fontGlyph, BOOL bBorder)
{
BOOL bRetCode = FALSE;
FT_GlyphSlot pGlyphSlot = (FT_GlyphSlot)ftGlyph;
FT_Error nError = 0;
KG3DTextureGlyph* pGlyphFont = (KG3DTextureGlyph*)fontGlyph;
FT_UInt nGlyph = 0;
BOOL bBit = FALSE;
UINT uX = 0;
UINT uY = 0;
int nDivisor = 1;
FT_F26Dot6 FontSize = 0;
ASSERT(pGlyphSlot);
ASSERT(pGlyphFont);
KGLOG_PROCESS_ERROR(pGlyphSlot);
nGlyph = FT_Get_Char_Index(m_pFontFace, charCode);
KG_PROCESS_ERROR(nGlyph != 0);
// request glyph texture
pGlyphFont->nTextureID = GetTextureIndex();
KGLOG_PROCESS_ERROR(pGlyphFont->nTextureID != KG3DFontRenderer::INVALID_TEXTURE_INDEX);
uX = m_uEmptyTextureX;
uY = m_uEmptyTextureY;
for (UINT uMipmapLevel = 0; uMipmapLevel < m_uMipmapLevel; ++uMipmapLevel)
{
FontSize = FontFixMul(m_InitParams.fPixel);
nError = FT_Set_Char_Size(m_pFontFace, FontSize, 0, 0, 0);
KGLOG_PROCESS_ERROR(nError == 0);
nError = FT_Load_Glyph(m_pFontFace, nGlyph, m_InitParams.dwLoadFlag);
KGLOG_PROCESS_ERROR(nError == 0);
nError = FT_Render_Glyph(m_pFontFace->glyph, (FT_Render_Mode)m_InitParams.dwRenderMode);
KGLOG_PROCESS_ERROR(nError == 0);
KGLOG_PROCESS_ERROR(m_pFontFace->glyph->format == FT_GLYPH_FORMAT_BITMAP);
// empty glyph?
// 如果轮廓线没有被上载，FreeType 使用的位图渲染模式为 1bit/pixel
bBit = pGlyphSlot->outline.n_contours == 0 && pGlyphSlot->outline.n_points == 0 || FT_PIXEL_MODE_MONO == m_pFontFace->glyph->bitmap.pixel_mode;
if (bBit)
{
bRetCode = m_pRenderer->UploadMonoTexture(pGlyphFont->nTextureID, uMipmapLevel, uX / nDivisor, uY / nDivisor,
m_pFontFace->glyph->bitmap.width, m_pFontFace->glyph->bitmap.rows,
m_pFontFace->glyph->bitmap.pitch, m_pFontFace->glyph->bitmap.buffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
else
{
bRetCode = m_pRenderer->UploadTexture(pGlyphFont->nTextureID, uMipmapLevel, uX / nDivisor, uY / nDivisor,
m_pFontFace->glyph->bitmap.width, m_pFontFace->glyph->bitmap.rows, m_pFontFace->glyph->bitmap.buffer, m_uchAdjustBuffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
nDivisor *= 2;
if (uMipmapLevel == 0)
{
pGlyphFont->xOffset = (FLOAT)m_pFontFace->glyph->bitmap_left;
pGlyphFont->yOffset = (FLOAT)m_fontAscender - m_pFontFace->glyph->bitmap_top;
pGlyphFont->cx = (FLOAT)m_pFontFace->glyph->bitmap.width;
pGlyphFont->cy = (FLOAT)m_pFontFace->glyph->bitmap.rows;
pGlyphFont->vFontU.x = (float)m_uEmptyTextureX / (float)m_uTextureWidth;
pGlyphFont->vFontU.y = (float)m_uEmptyTextureY / (float)m_uTextureHeight;
pGlyphFont->vFontV.x = (float)(m_uEmptyTextureX + m_pFontFace->glyph->bitmap.width) / (float)m_uTextureWidth;
pGlyphFont->vFontV.y = (float)(m_uEmptyTextureY + m_pFontFace->glyph->bitmap.rows) / (float)m_uTextureHeight;
m_uEmptyTextureX += static_cast<INT>(pGlyphFont->cx);
m_uEmptyTextureX += KG3DFONT_DEFAULT_PADDING;
}
}
FontSize = FontFixMul(m_InitParams.fPixel);
nError = FT_Set_Char_Size(m_pFontFace, FontSize, 0, 0, 0);
KGLOG_PROCESS_ERROR(nError == 0);
if (bBorder && m_uMipmapLevel == 1)
{
pGlyphFont->nBoderTextureID = GetTextureIndex();
KGLOG_PROCESS_ERROR(pGlyphFont->nBoderTextureID != KG3DFontRenderer::INVALID_TEXTURE_INDEX);
pGlyphFont->vBorderU.x = (float)(m_uEmptyTextureX - 1) / (float)m_uTextureWidth;
pGlyphFont->vBorderU.y = (float)(m_uEmptyTextureY - 1) / (float)m_uTextureHeight;
pGlyphFont->vBorderV.x = (float)(m_uEmptyTextureX + m_pFontFace->glyph->bitmap.width + 1) / (float)m_uTextureWidth;
pGlyphFont->vBorderV.y = (float)(m_uEmptyTextureY + m_pFontFace->glyph->bitmap.rows + 1) / (float)m_uTextureHeight;
if (bBit)
{
bRetCode = m_pRenderer->UploadMonoBoderTexture(pGlyphFont->nBoderTextureID, 0, m_uEmptyTextureX, m_uEmptyTextureY,
(UINT)pGlyphFont->cx,
(UINT)pGlyphFont->cy,
(UINT)m_pFontFace->glyph->bitmap.pitch,
m_pFontFace->glyph->bitmap.buffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
else
{
bRetCode = m_pRenderer->UploadBoderTexture(pGlyphFont->nBoderTextureID, 0, m_uEmptyTextureX, m_uEmptyTextureY,
(UINT)pGlyphFont->cx,
(UINT)pGlyphFont->cy,
m_pFontFace->glyph->bitmap.buffer, m_uchAdjustBuffer);
KGLOG_PROCESS_ERROR(bRetCode);
}
m_uEmptyTextureX += static_cast<INT>( pGlyphFont->cx );
m_uEmptyTextureX += KG3DFONT_DEFAULT_PADDING;
}
return true;
Exit0:
return false;
}
inline float BlockRenderer::GetTextureFloatIndex() {
return (float) GetTextureIndex() / numBlocks + 1.0f / (numBlocks * 2);
}
