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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_GL_TEXTURE_HOLDER_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_GL_TEXTURE_HOLDER_H_
#include "gpu/command_buffer/service/shared_image/gl_common_image_backing_factory.h"
#include "gpu/command_buffer/service/shared_image/shared_image_format_service_utils.h"
#include "ui/gl/progress_reporter.h"
class GrPromiseImageTexture;
namespace gpu {
class SharedContextState;
// Helper class that holds a single GL texture, that works with either
// validating or passthrough command decoder.
class GLTextureHolder {
public:
// Returns the equivalent SharedImageFormat for plane specified by
// `plane_index`.
static viz::SharedImageFormat GetPlaneFormat(viz::SharedImageFormat format,
int plane_index);
// `format` must be single-planar format.
GLTextureHolder(viz::SharedImageFormat format,
const gfx::Size& size,
bool is_passthrough,
gl::ProgressReporter* progress_reporter);
GLTextureHolder(GLTextureHolder&& other);
GLTextureHolder& operator=(GLTextureHolder&& other);
~GLTextureHolder();
gles2::Texture* texture() { return texture_; }
const scoped_refptr<gles2::TexturePassthrough>& passthrough_texture() {
return passthrough_texture_;
}
// Returns the service GL texture id.
GLuint GetServiceId() const;
// Initialize by creating a new GL texture.
void Initialize(const GLCommonImageBackingFactory::FormatInfo& format_info,
bool framebuffer_attachment_angle,
base::span<const uint8_t> pixel_data,
const std::string& debug_label);
// Initialize with a GL texture created elsewhere.
void InitializeWithTexture(const GLFormatDesc& format_desc,
scoped_refptr<gles2::TexturePassthrough> texture);
// Initialize with a GL texture created elsewhere. Takes ownership of
// lightweight ref on `texture`.
void InitializeWithTexture(const GLFormatDesc& format_desc,
gles2::Texture* texture);
// Uploads pixels from `pixmap` to GL texture.
bool UploadFromMemory(const SkPixmap& pixmap);
// Readback pixels from GL texture to `pixmap`.
bool ReadbackToMemory(const SkPixmap& pixmap);
// Returns a promise image for the GL texture.
sk_sp<GrPromiseImageTexture> GetPromiseImage(
SharedContextState* context_state);
// Gets/sets cleared rect from gles2::Texture. Only valid to call with
// validating command decoder.
gfx::Rect GetClearedRect() const;
void SetClearedRect(const gfx::Rect& cleared_rect);
void SetContextLost();
private:
viz::SharedImageFormat format_;
gfx::Size size_;
bool is_passthrough_;
bool context_lost_ = false;
raw_ptr<gles2::Texture> texture_ = nullptr;
scoped_refptr<gles2::TexturePassthrough> passthrough_texture_;
GLFormatDesc format_desc_;
raw_ptr<gl::ProgressReporter> progress_reporter_ = nullptr;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_GL_TEXTURE_HOLDER_H_
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