bool RocketRenderingInterface::LoadTexture(TextureHandle& texture_handle, Vector2i& texture_dimensions,
const String& source)
{
GR_DEBUG_SCOPE("libRocket::LoadTexture");
SCP_string filename;
int dir_type;
if (!RocketFileInterface::getCFilePath(source, filename, dir_type)) {
return false;
}
auto period_pos = filename.rfind('.');
if (period_pos != SCP_string::npos) {
filename = filename.substr(0, period_pos);
}
auto id = bm_load_either(filename.c_str(), nullptr, nullptr, nullptr, false, dir_type);
if (id < 0) {
return false;
}
int w, h;
bm_get_info(id, &w, &h);
texture_dimensions.x = w;
texture_dimensions.y = h;
auto* tex = new Texture();
tex->handle = id;
texture_handle = get_texture_handle(tex);
return true;
}
bool
TextureSystemImpl::environment(ustring filename, TextureOptBatch& options,
Tex::RunMask mask, const float* R,
const float* dRdx, const float* dRdy,
int nchannels, float* result, float* dresultds,
float* dresultdt)
{
Perthread* thread_info = get_perthread_info();
TextureHandle* texture_handle = get_texture_handle(filename, thread_info);
return environment(texture_handle, thread_info, options, mask, R, dRdx,
dRdy, nchannels, result, dresultds, dresultdt);
}
bool
TextureSystemImpl::environment(ustring filename, TextureOptions& options,
Runflag* runflags, int beginactive,
int endactive, VaryingRef<Imath::V3f> R,
VaryingRef<Imath::V3f> dRdx,
VaryingRef<Imath::V3f> dRdy, int nchannels,
float* result, float* dresultds,
float* dresultdt)
{
Perthread* thread_info = get_perthread_info();
TextureHandle* texture_handle = get_texture_handle(filename, thread_info);
return environment(texture_handle, thread_info, options, runflags,
beginactive, endactive, R, dRdx, dRdy, nchannels, result,
dresultds, dresultdt);
}
bool RocketRenderingInterface::GenerateTexture(TextureHandle& texture_handle, const Rocket::Core::byte* source,
const Vector2i& source_dimensions)
{
GR_DEBUG_SCOPE("libRocket::GenerateTexture");
auto size = (size_t)(source_dimensions.x * source_dimensions.y * 4); // RGBA format
std::unique_ptr<uint8_t[]> buffer(new uint8_t[size]);
memcpy(buffer.get(), source, size);
auto id = bm_create(32, source_dimensions.x, source_dimensions.y, buffer.get());
if (id < 0) {
return false;
}
auto* tex = new Texture();
tex->handle = id;
tex->data = std::move(buffer);
texture_handle = get_texture_handle(tex);
return true;
}
