Hash :
76cdbd51
Author :
Date :
2016-09-23T16:51:04
Add basic initialization code for ContextNULL so it can run some tests. BUG=angleproject:1468 Change-Id: I8dfc9a3c71e5638de22bc9d9a5dadfb495ef23a7 Reviewed-on: https://chromium-review.googlesource.com/388846 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@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.
//
// FramebufferNULL.cpp:
// Implements the class methods for FramebufferNULL.
//
#include "libANGLE/renderer/null/FramebufferNULL.h"
#include "libANGLE/formatutils.h"
#include "common/debug.h"
namespace rx
{
FramebufferNULL::FramebufferNULL(const gl::FramebufferState &state) : FramebufferImpl(state)
{
}
FramebufferNULL::~FramebufferNULL()
{
}
gl::Error FramebufferNULL::discard(size_t count, const GLenum *attachments)
{
return gl::NoError();
}
gl::Error FramebufferNULL::invalidate(size_t count, const GLenum *attachments)
{
return gl::NoError();
}
gl::Error FramebufferNULL::invalidateSub(size_t count,
const GLenum *attachments,
const gl::Rectangle &area)
{
return gl::NoError();
}
gl::Error FramebufferNULL::clear(ContextImpl *context, GLbitfield mask)
{
return gl::NoError();
}
gl::Error FramebufferNULL::clearBufferfv(ContextImpl *context,
GLenum buffer,
GLint drawbuffer,
const GLfloat *values)
{
return gl::NoError();
}
gl::Error FramebufferNULL::clearBufferuiv(ContextImpl *context,
GLenum buffer,
GLint drawbuffer,
const GLuint *values)
{
return gl::NoError();
}
gl::Error FramebufferNULL::clearBufferiv(ContextImpl *context,
GLenum buffer,
GLint drawbuffer,
const GLint *values)
{
return gl::NoError();
}
gl::Error FramebufferNULL::clearBufferfi(ContextImpl *context,
GLenum buffer,
GLint drawbuffer,
GLfloat depth,
GLint stencil)
{
return gl::NoError();
}
GLenum FramebufferNULL::getImplementationColorReadFormat() const
{
const gl::FramebufferAttachment *readAttachment = mState.getReadAttachment();
if (readAttachment == nullptr)
{
return GL_NONE;
}
const gl::Format &format = readAttachment->getFormat();
ASSERT(format.info != nullptr);
return format.info->getReadPixelsFormat();
}
GLenum FramebufferNULL::getImplementationColorReadType() const
{
const gl::FramebufferAttachment *readAttachment = mState.getReadAttachment();
if (readAttachment == nullptr)
{
return GL_NONE;
}
const gl::Format &format = readAttachment->getFormat();
ASSERT(format.info != nullptr);
return format.info->getReadPixelsType();
}
gl::Error FramebufferNULL::readPixels(ContextImpl *context,
const gl::Rectangle &area,
GLenum format,
GLenum type,
GLvoid *pixels) const
{
return gl::NoError();
}
gl::Error FramebufferNULL::blit(ContextImpl *context,
const gl::Rectangle &sourceArea,
const gl::Rectangle &destArea,
GLbitfield mask,
GLenum filter)
{
return gl::NoError();
}
bool FramebufferNULL::checkStatus() const
{
return true;
}
void FramebufferNULL::syncState(const gl::Framebuffer::DirtyBits &dirtyBits)
{
}
} // namespace rx