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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/renderer_host/accelerated_surface_container_touch.h"
#include "third_party/angle/include/EGL/egl.h"
#include "third_party/angle/include/EGL/eglext.h"
#include "ui/gfx/gl/gl_bindings.h"
#include "ui/gfx/gl/gl_surface_egl.h"
#include "ui/gfx/transform.h"
AcceleratedSurfaceContainerTouch::AcceleratedSurfaceContainerTouch(
ui::CompositorGL* compositor,
const gfx::Size& size,
uint64 surface_handle)
: TextureGL(compositor, size),
image_(NULL) {
compositor_->MakeCurrent();
image_ = eglCreateImageKHR(
gfx::GLSurfaceEGL::GetDisplay(), EGL_NO_CONTEXT,
EGL_NATIVE_PIXMAP_KHR, reinterpret_cast<void*>(surface_handle), NULL);
glGenTextures(1, &texture_id_);
glBindTexture(GL_TEXTURE_2D, texture_id_);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image_);
glFlush();
}
AcceleratedSurfaceContainerTouch::~AcceleratedSurfaceContainerTouch() {
eglDestroyImageKHR(gfx::GLSurfaceEGL::GetDisplay(), image_);
glFlush();
}
void AcceleratedSurfaceContainerTouch::SetBitmap(
const SkBitmap& bitmap,
const gfx::Point& origin,
const gfx::Size& overall_size) {
NOTIMPLEMENTED();
}
void AcceleratedSurfaceContainerTouch::Draw(const ui::Transform& transform) {
DCHECK(compositor_->program_no_swizzle());
// Texture from GPU is flipped horizontally.
ui::Transform flipped;
flipped.SetScaleY(-1.0);
flipped.SetTranslateY(size_.height());
flipped.ConcatTransform(transform);
DrawInternal(*compositor_->program_no_swizzle(), flipped);
}
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