Hash :
92148c2c
Author :
Date :
2024-06-17T11:13:46
GL: Implement GL_EXT_clear_texture. This extension is useful because it allows clearing textures without changing the framebuffer. Chrome uses this on Android when it's available. Bug: angleproject:347047859 Change-Id: I765d9991c4549b3655446d9f51847d1095792dbd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5631810 Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
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//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TextureImpl.cpp: Defines the abstract rx::TextureImpl classes.
#include "libANGLE/renderer/TextureImpl.h"
namespace rx
{
TextureImpl::TextureImpl(const gl::TextureState &state) : mState(state) {}
TextureImpl::~TextureImpl() {}
void TextureImpl::onDestroy(const gl::Context *context) {}
angle::Result TextureImpl::copyTexture(const gl::Context *context,
const gl::ImageIndex &index,
GLenum internalFormat,
GLenum type,
GLint sourceLevel,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copySubTexture(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
GLint sourceLevel,
const gl::Box &sourceBox,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copyRenderbufferSubData(const gl::Context *context,
const gl::Renderbuffer *srcBuffer,
GLint srcLevel,
GLint srcX,
GLint srcY,
GLint srcZ,
GLint dstLevel,
GLint dstX,
GLint dstY,
GLint dstZ,
GLsizei srcWidth,
GLsizei srcHeight,
GLsizei srcDepth)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copyTextureSubData(const gl::Context *context,
const gl::Texture *srcTexture,
GLint srcLevel,
GLint srcX,
GLint srcY,
GLint srcZ,
GLint dstLevel,
GLint dstX,
GLint dstY,
GLint dstZ,
GLsizei srcWidth,
GLsizei srcHeight,
GLsizei srcDepth)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copyCompressedTexture(const gl::Context *context,
const gl::Texture *source)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copy3DTexture(const gl::Context *context,
gl::TextureTarget target,
GLenum internalFormat,
GLenum type,
GLint sourceLevel,
GLint destLevel,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::copy3DSubTexture(const gl::Context *context,
const gl::TextureTarget target,
const gl::Offset &destOffset,
GLint sourceLevel,
GLint destLevel,
const gl::Box &srcBox,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::setImageExternal(const gl::Context *context,
const gl::ImageIndex &index,
GLenum internalFormat,
const gl::Extents &size,
GLenum format,
GLenum type)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::setBuffer(const gl::Context *context, GLenum internalFormat)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::clearImage(const gl::Context *context,
GLint level,
GLenum format,
GLenum type,
const uint8_t *data)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::clearSubImage(const gl::Context *context,
GLint level,
const gl::Box &area,
GLenum format,
GLenum type,
const uint8_t *data)
{
UNREACHABLE();
return angle::Result::Stop;
}
GLint TextureImpl::getMemorySize() const
{
return 0;
}
GLint TextureImpl::getLevelMemorySize(gl::TextureTarget target, GLint level)
{
return 0;
}
GLint TextureImpl::getNativeID() const
{
UNREACHABLE();
return 0;
}
GLenum TextureImpl::getColorReadFormat(const gl::Context *context)
{
UNREACHABLE();
return GL_NONE;
}
GLenum TextureImpl::getColorReadType(const gl::Context *context)
{
UNREACHABLE();
return GL_NONE;
}
angle::Result TextureImpl::getTexImage(const gl::Context *context,
const gl::PixelPackState &packState,
gl::Buffer *packBuffer,
gl::TextureTarget target,
GLint level,
GLenum format,
GLenum type,
void *pixels)
{
UNREACHABLE();
return angle::Result::Stop;
}
angle::Result TextureImpl::getCompressedTexImage(const gl::Context *context,
const gl::PixelPackState &packState,
gl::Buffer *packBuffer,
gl::TextureTarget target,
GLint level,
void *pixels)
{
UNREACHABLE();
return angle::Result::Stop;
}
GLint TextureImpl::getRequiredExternalTextureImageUnits(const gl::Context *context)
{
UNREACHABLE();
return 0;
}
angle::Result TextureImpl::onLabelUpdate(const gl::Context *context)
{
return angle::Result::Continue;
}
} // namespace rx