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// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_OPENGL_TEXTUREGL_H_
#define SRC_DAWN_NATIVE_OPENGL_TEXTUREGL_H_
#include "dawn/native/Texture.h"
#include "dawn/native/opengl/opengl_platform.h"
namespace dawn::native::opengl {
class Device;
struct GLFormat;
class Texture final : public TextureBase {
public:
static ResultOrError<Ref<Texture>> Create(Device* device,
const UnpackedPtr<TextureDescriptor>& descriptor);
Texture(Device* device, const UnpackedPtr<TextureDescriptor>& descriptor, GLuint handle);
GLuint GetHandle() const;
GLenum GetGLTarget() const;
const GLFormat& GetGLFormat() const;
MaybeError EnsureSubresourceContentInitialized(const SubresourceRange& range);
private:
Texture(Device* device, const UnpackedPtr<TextureDescriptor>& descriptor);
~Texture() override;
void DestroyImpl() override;
MaybeError ClearTexture(const SubresourceRange& range, TextureBase::ClearValue clearValue);
GLuint mHandle;
bool mOwnsHandle = false;
GLenum mTarget;
};
class TextureView final : public TextureViewBase {
public:
TextureView(TextureBase* texture, const UnpackedPtr<TextureViewDescriptor>& descriptor);
GLuint GetHandle() const;
GLenum GetGLTarget() const;
void BindToFramebuffer(GLenum target, GLenum attachment, GLuint depthLayer = 0);
private:
~TextureView() override;
void DestroyImpl() override;
GLenum GetInternalFormat() const;
// TODO(crbug.com/dawn/1355): Delete this handle on texture destroy.
GLuint mHandle;
GLenum mTarget;
bool mOwnsHandle;
};
} // namespace dawn::native::opengl
#endif // SRC_DAWN_NATIVE_OPENGL_TEXTUREGL_H_