本文整理汇总了C++中texture::create方法的典型用法代码示例。如果您正苦于以下问题：C++ texture::create方法的具体用法？C++ texture::create怎么用？C++ texture::create使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类texture的用法示例。
在下文中一共展示了texture::create方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: stb_to_texture
void stb_to_texture(ID3D11Device* device, LPCSTR filename, texture& t)
{
bool is_hdr = std::string(filename).find(".hdr") != std::string::npos;
bool is_jpg = std::string(filename).find(".jpg") != std::string::npos;
D3D11_TEXTURE2D_DESC tex_desc;
ZeroMemory(&tex_desc, sizeof(tex_desc));
D3D11_SUBRESOURCE_DATA subdata;
ZeroMemory(&subdata, sizeof(subdata));
int width, height, nc;
unsigned char* ldr_data = nullptr;
float* hdr_data = nullptr;
if (!is_hdr)
{
ldr_data = stbi_load(filename, &width, &height, &nc, 4);
subdata.SysMemPitch = width * 4;
subdata.pSysMem = ldr_data;
if (is_jpg)
tex_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
else
// TODO: Remap to SRGB later when throwing out D3DX
tex_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// TODO: Need to create mipmaps
}
else
{
hdr_data = stbi_loadf(filename, &width, &height, &nc, 4);
subdata.SysMemPitch = width * 4 * 4;
subdata.pSysMem = hdr_data;
tex_desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
}
if (!ldr_data && !hdr_data)
{
tstring error = L"can't load";
if (stbi_failure_reason())
error = to_tstring(std::string(stbi_failure_reason()));
throw exception(tstring(L"stbi: ") + error);
}
tex_desc.Width = width;
tex_desc.Height = height;
tex_desc.MipLevels = 1;
tex_desc.ArraySize = 1;
tex_desc.SampleDesc.Count = 1;
tex_desc.SampleDesc.Quality = 0;
tex_desc.Usage = D3D11_USAGE_DEFAULT;
tex_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
tex_desc.CPUAccessFlags = 0;
tex_desc.MiscFlags = 0;
t.create(device, tex_desc, &subdata);
if (is_hdr)
stbi_image_free(hdr_data);
else
stbi_image_free(ldr_data);
}