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// Copyright 2021 Benjamin Barenblat
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "src/gl/texture.h"
#include <stdexcept>
#include "src/gl/error.h"
#include "src/util.h"
#include "third_party/abseil/absl/strings/str_cat.h"
#include "third_party/glew/include/GL/glew.h"
namespace gl {
void Texture2d::LoadSubimage(int width, int height, PixelFormat format,
PixelType type, const void* pixels, int level) {
gl_internal::CheckThreadSafety();
if (level >= levels_) {
throw std::invalid_argument(
absl::StrCat("GL: invalid texture subimage level $0; maximum is $1",
level, levels_ - 1));
}
glTextureSubImage2D(texture_, level, /*xoffset=*/0, /*yoffset=*/0, width,
height, FromEnum(format), FromEnum(type), pixels);
// This error check is necessary for a variety of reasons, including a
// type/format mismatch.
gl_internal::ErrorCheck();
}
} // namespace gl
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