void Image::SetTextureData(ImageData *ImgInfo, bool Reassign)
{
if (Reassign) Destroy();
CreateTexture(); // Make sure our texture exists.
Bind();
if (ImgInfo->Data == nullptr && !Reassign)
{
return;
}
if (!TextureAssigned || Reassign) // We haven't set any data to this texture yet, or we want to regenerate storage
{
TextureAssigned = true;
Directory Dir = ImgInfo->Filename;
Dir = Dir.Filename();
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
if (!Configuration::TextureParameterExists(Dir, "gen-mipmap") || Configuration::GetTextureParameter(Dir, "gen-mipmap") == "true")
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
GLint param;
switch (ImgInfo->WrapMode)
{
case ImageData::WM_CLAMP_TO_EDGE:
param = GL_CLAMP_TO_EDGE;
break;
case ImageData::WM_REPEAT:
param = GL_REPEAT;
break;
default:
param = GL_CLAMP_TO_EDGE;
}
GLint wrapS = param, wrapT = param;
if (Configuration::GetTextureParameter(Dir, "wrap-s") == "clamp-edge")
wrapS = GL_CLAMP_TO_EDGE;
else if (Configuration::GetTextureParameter(Dir, "wrap-s") == "repeat")
wrapS = GL_REPEAT;
else if (Configuration::GetTextureParameter(Dir, "wrap-s") == "clamp-border")
wrapS = GL_CLAMP_TO_BORDER;
else if (Configuration::GetTextureParameter(Dir, "wrap-s") == "repeat-mirrored")
wrapS = GL_MIRRORED_REPEAT;
if (Configuration::GetTextureParameter(Dir, "wrap-t") == "clamp-edge")
wrapT = GL_CLAMP_TO_EDGE;
else if (Configuration::GetTextureParameter(Dir, "wrap-t") == "repeat")
wrapT = GL_REPEAT;
else if (Configuration::GetTextureParameter(Dir, "wrap-t") == "clamp-border")
wrapT = GL_CLAMP_TO_BORDER;
else if (Configuration::GetTextureParameter(Dir, "wrap-t") == "repeat-mirrored")
wrapT = GL_MIRRORED_REPEAT;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT);
GLint minparam;
switch (ImgInfo->ScalingMode)
{
case ImageData::SM_LINEAR:
minparam = GL_LINEAR;
param = GL_LINEAR;
break;
case ImageData::SM_MIPMAP:
minparam = GL_LINEAR_MIPMAP_LINEAR;
param = GL_LINEAR;
break;
case ImageData::SM_NEAREST:
minparam = GL_NEAREST;
param = GL_NEAREST;
break;
default:
minparam = GL_LINEAR_MIPMAP_LINEAR;
param = GL_LINEAR;
}
GLint minp = minparam, maxp = param;
if (Configuration::GetTextureParameter(Dir, "minfilter") == "linear")
minp = GL_LINEAR;
else if (Configuration::GetTextureParameter(Dir, "minfilter") == "nearest")
minp = GL_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "minfilter") == "linear-mipmap-linear")
minp = GL_LINEAR_MIPMAP_LINEAR;
else if (Configuration::GetTextureParameter(Dir, "minfilter") == "linear-mipmap-nearest")
minp = GL_LINEAR_MIPMAP_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "minfilter") == "nearest-mipmap-nearest")
minp = GL_NEAREST_MIPMAP_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "minfilter") == "nearest-mipmap-linear")
minp = GL_NEAREST_MIPMAP_LINEAR;
if (Configuration::GetTextureParameter(Dir, "maxfilter") == "linear")
maxp = GL_LINEAR;
else if (Configuration::GetTextureParameter(Dir, "maxfilter") == "nearest")
maxp = GL_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "maxfilter") == "linear-mipmap-linear")
maxp = GL_LINEAR_MIPMAP_LINEAR;
else if (Configuration::GetTextureParameter(Dir, "maxfilter") == "linear-mipmap-nearest")
maxp = GL_LINEAR_MIPMAP_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "maxfilter") == "nearest-mipmap-nearest")
maxp = GL_NEAREST_MIPMAP_NEAREST;
else if (Configuration::GetTextureParameter(Dir, "maxfilter") == "nearest-mipmap-linear")
maxp = GL_NEAREST_MIPMAP_LINEAR;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minp);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, maxp);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, ImgInfo->Width, ImgInfo->Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, ImgInfo->Data);
}
else // We did, so let's update instead.
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, ImgInfo->Width, ImgInfo->Height, GL_RGBA, GL_UNSIGNED_BYTE, ImgInfo->Data);
}
w = ImgInfo->Width;
h = ImgInfo->Height;
fname = ImgInfo->Filename;
}
