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gecko/gfx/layers/opengl/ImageLayerOGL.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.org>
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "gfxSharedImageSurface.h"
#include "ImageLayerOGL.h"
#include "gfxImageSurface.h"
#include "yuv_convert.h"
#include "GLContextProvider.h"
#if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
# include "GLXLibrary.h"
# include "mozilla/X11Util.h"
#endif
using namespace mozilla::gl;
namespace mozilla {
namespace layers {
/**
* This is an event used to unref a GLContext on the main thread and
* optionally delete a texture associated with that context.
*/
class TextureDeleter : public nsRunnable {
public:
TextureDeleter(already_AddRefed<GLContext> aContext,
GLuint aTexture)
: mContext(aContext), mTexture(aTexture)
{
NS_ASSERTION(aTexture, "TextureDeleter instantiated with nothing to do");
}
NS_IMETHOD Run() {
mContext->MakeCurrent();
mContext->fDeleteTextures(1, &mTexture);
// Ensure context is released on the main thread
mContext = nsnull;
return NS_OK;
}
nsRefPtr<GLContext> mContext;
GLuint mTexture;
};
void
GLTexture::Allocate(GLContext *aContext)
{
NS_ASSERTION(aContext->IsGlobalSharedContext() ||
NS_IsMainThread(), "Can only allocate texture on main thread or with cx sharing");
Release();
mContext = aContext;
mContext->MakeCurrent();
mContext->fGenTextures(1, &mTexture);
}
void
GLTexture::TakeFrom(GLTexture *aOther)
{
Release();
mContext = aOther->mContext.forget();
mTexture = aOther->mTexture;
aOther->mTexture = 0;
}
void
GLTexture::Release()
{
if (!mContext) {
NS_ASSERTION(!mTexture, "Can't delete texture without a context");
return;
}
if (mContext->IsDestroyed() && !mContext->IsGlobalSharedContext()) {
mContext = mContext->GetSharedContext();
if (!mContext) {
NS_ASSERTION(!mTexture,
"Context has been destroyed and couldn't find a shared context!");
return;
}
}
if (mTexture) {
if (NS_IsMainThread() || mContext->IsGlobalSharedContext()) {
mContext->MakeCurrent();
mContext->fDeleteTextures(1, &mTexture);
} else {
nsCOMPtr<nsIRunnable> runnable =
new TextureDeleter(mContext.forget(), mTexture);
NS_DispatchToMainThread(runnable);
}
mTexture = 0;
}
mContext = nsnull;
}
TextureRecycleBin::TextureRecycleBin()
: mLock("mozilla.layers.TextureRecycleBin.mLock")
{
}
void
TextureRecycleBin::RecycleTexture(GLTexture *aTexture, TextureType aType,
const gfxIntSize& aSize)
{
MutexAutoLock lock(mLock);
if (!aTexture->IsAllocated())
return;
if (!mRecycledTextures[aType].IsEmpty() && aSize != mRecycledTextureSizes[aType]) {
mRecycledTextures[aType].Clear();
}
mRecycledTextureSizes[aType] = aSize;
mRecycledTextures[aType].AppendElement()->TakeFrom(aTexture);
}
void
TextureRecycleBin::GetTexture(TextureType aType, const gfxIntSize& aSize,
GLContext *aContext, GLTexture *aOutTexture)
{
MutexAutoLock lock(mLock);
if (mRecycledTextures[aType].IsEmpty() || mRecycledTextureSizes[aType] != aSize) {
aOutTexture->Allocate(aContext);
return;
}
PRUint32 last = mRecycledTextures[aType].Length() - 1;
aOutTexture->TakeFrom(&mRecycledTextures[aType].ElementAt(last));
mRecycledTextures[aType].RemoveElementAt(last);
}
struct THEBES_API MacIOSurfaceImageOGLBackendData : public ImageBackendData
{
GLTexture mTexture;
};
#ifdef XP_MACOSX
void
AllocateTextureIOSurface(MacIOSurfaceImage *aIOImage, mozilla::gl::GLContext* aGL)
{
nsAutoPtr<MacIOSurfaceImageOGLBackendData> backendData(
new MacIOSurfaceImageOGLBackendData);
backendData->mTexture.Allocate(aGL);
aGL->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, backendData->mTexture.GetTextureID());
aGL->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_NEAREST);
aGL->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_NEAREST);
void *nativeCtx = aGL->GetNativeData(GLContext::NativeGLContext);
aIOImage->GetIOSurface()->CGLTexImageIOSurface2D(nativeCtx,
LOCAL_GL_RGBA, LOCAL_GL_BGRA,
LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV, 0);
aGL->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, 0);
aIOImage->SetBackendData(LayerManager::LAYERS_OPENGL, backendData.forget());
}
#endif
Layer*
ImageLayerOGL::GetLayer()
{
return this;
}
void
ImageLayerOGL::RenderLayer(int,
const nsIntPoint& aOffset)
{
nsRefPtr<ImageContainer> container = GetContainer();
if (!container)
return;
mOGLManager->MakeCurrent();
AutoLockImage autoLock(container);
Image *image = autoLock.GetImage();
if (!image) {
return;
}
NS_ASSERTION(image->GetFormat() != Image::REMOTE_IMAGE_BITMAP,
"Remote images aren't handled yet in OGL layers!");
NS_ASSERTION(mScaleMode == SCALE_NONE || image->GetSize() == mScaleToSize,
"Scale modes other than none not handled yet in OGL layers!");
if (image->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImage *yuvImage =
static_cast<PlanarYCbCrImage*>(image);
if (!yuvImage->mBufferSize) {
return;
}
if (!yuvImage->GetBackendData(LayerManager::LAYERS_OPENGL)) {
AllocateTexturesYCbCr(yuvImage);
}
PlanarYCbCrOGLBackendData *data =
static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LayerManager::LAYERS_OPENGL));
if (!data || data->mTextures->GetGLContext() != mOGLManager->glForResources()) {
// XXX - Can this ever happen? If so I need to fix this!
return;
}
gl()->MakeCurrent();
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
YCbCrTextureLayerProgram *program = mOGLManager->GetYCbCrLayerProgram();
program->Activate();
program->SetLayerQuadRect(nsIntRect(0, 0,
yuvImage->mSize.width,
yuvImage->mSize.height));
program->SetLayerTransform(GetEffectiveTransform());
program->SetLayerOpacity(GetEffectiveOpacity());
program->SetRenderOffset(aOffset);
program->SetYCbCrTextureUnits(0, 1, 2);
mOGLManager->BindAndDrawQuadWithTextureRect(program,
yuvImage->mData.GetPictureRect(),
nsIntSize(yuvImage->mData.mYSize.width,
yuvImage->mData.mYSize.height));
// We shouldn't need to do this, but do it anyway just in case
// someone else forgets.
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
} else if (image->GetFormat() == Image::CAIRO_SURFACE) {
CairoImage *cairoImage =
static_cast<CairoImage*>(image);
if (!cairoImage->mSurface) {
return;
}
if (!cairoImage->GetBackendData(LayerManager::LAYERS_OPENGL)) {
AllocateTexturesCairo(cairoImage);
}
CairoOGLBackendData *data =
static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LayerManager::LAYERS_OPENGL));
if (!data || data->mTexture.GetGLContext() != mOGLManager->glForResources()) {
// XXX - Can this ever happen? If so I need to fix this!
return;
}
data->SetTiling(mUseTileSourceRect);
gl()->MakeCurrent();
unsigned int iwidth = cairoImage->mSize.width;
unsigned int iheight = cairoImage->mSize.height;
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTexture.GetTextureID());
#if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
GLXPixmap pixmap;
if (cairoImage->mSurface) {
pixmap = sGLXLibrary.CreatePixmap(cairoImage->mSurface);
NS_ASSERTION(pixmap, "Failed to create pixmap!");
if (pixmap) {
sGLXLibrary.BindTexImage(pixmap);
}
}
#endif
ColorTextureLayerProgram *program =
mOGLManager->GetColorTextureLayerProgram(data->mLayerProgram);
gl()->ApplyFilterToBoundTexture(mFilter);
program->Activate();
// The following uniform controls the scaling of the vertex coords.
// Instead of setting the scale here and using coords in the range [0,1], we
// set an identity transform and use pixel coordinates below
program->SetLayerQuadRect(nsIntRect(0, 0, 1, 1));
program->SetLayerTransform(GetEffectiveTransform());
program->SetLayerOpacity(GetEffectiveOpacity());
program->SetRenderOffset(aOffset);
program->SetTextureUnit(0);
nsIntRect rect = GetVisibleRegion().GetBounds();
bool tileIsWholeImage = (mTileSourceRect == nsIntRect(0, 0, iwidth, iheight))
|| !mUseTileSourceRect;
bool imageIsPowerOfTwo = ((iwidth & (iwidth - 1)) == 0 &&
(iheight & (iheight - 1)) == 0);
bool canDoNPOT = (
gl()->IsExtensionSupported(GLContext::ARB_texture_non_power_of_two) ||
gl()->IsExtensionSupported(GLContext::OES_texture_npot));
GLContext::RectTriangles triangleBuffer;
// do GL_REPEAT if we can - should be the fastest option.
// draw a single rect for the whole region, a little overdraw
// on the gpu should be faster than tesselating
// maybe we can write a shader that can also handle texture subrects
// and repeat?
if (tileIsWholeImage && (imageIsPowerOfTwo || canDoNPOT)) {
// we need to anchor the repeating texture appropriately
// otherwise it will start from the region border instead
// of the layer origin. This is the offset into the texture
// that the region border represents
float tex_offset_u = (float)(rect.x % iwidth) / iwidth;
float tex_offset_v = (float)(rect.y % iheight) / iheight;
triangleBuffer.addRect(rect.x, rect.y,
rect.x + rect.width, rect.y + rect.height,
tex_offset_u, tex_offset_v,
tex_offset_u + (float)rect.width / (float)iwidth,
tex_offset_v + (float)rect.height / (float)iheight);
}
// can't do fast path via GL_REPEAT - we have to tessellate individual rects.
else {
unsigned int twidth = mTileSourceRect.width;
unsigned int theight = mTileSourceRect.height;
nsIntRegion region = GetVisibleRegion();
// image subrect in texture coordinates
float subrect_tl_u = float(mTileSourceRect.x) / float(iwidth);
float subrect_tl_v = float(mTileSourceRect.y) / float(iheight);
float subrect_br_u = float(mTileSourceRect.width + mTileSourceRect.x) / float(iwidth);
float subrect_br_v = float(mTileSourceRect.height + mTileSourceRect.y) / float(iheight);
// round rect position down to multiples of texture size
// this way we start at multiples of rect positions
rect.x = (rect.x / iwidth) * iwidth;
rect.y = (rect.y / iheight) * iheight;
// round up size to accomodate for rounding down above
rect.width = (rect.width / iwidth + 2) * iwidth;
rect.height = (rect.height / iheight + 2) * iheight;
// tesselate the visible region with tiles of subrect size
for (int y = rect.y; y < rect.y + rect.height; y += theight) {
for (int x = rect.x; x < rect.x + rect.width; x += twidth) {
// when we already tessellate, we might as well save on overdraw here
if (!region.Intersects(nsIntRect(x, y, twidth, theight))) {
continue;
}
triangleBuffer.addRect(x, y,
x + twidth, y + theight,
subrect_tl_u, subrect_tl_v,
subrect_br_u, subrect_br_v);
}
}
}
GLuint vertAttribIndex =
program->AttribLocation(LayerProgram::VertexAttrib);
GLuint texCoordAttribIndex =
program->AttribLocation(LayerProgram::TexCoordAttrib);
NS_ASSERTION(texCoordAttribIndex != GLuint(-1), "no texture coords?");
gl()->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
gl()->fVertexAttribPointer(vertAttribIndex, 2,
LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
triangleBuffer.vertexPointer());
gl()->fVertexAttribPointer(texCoordAttribIndex, 2,
LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
triangleBuffer.texCoordPointer());
{
gl()->fEnableVertexAttribArray(texCoordAttribIndex);
{
gl()->fEnableVertexAttribArray(vertAttribIndex);
gl()->fDrawArrays(LOCAL_GL_TRIANGLES, 0, triangleBuffer.elements());
gl()->fDisableVertexAttribArray(vertAttribIndex);
}
gl()->fDisableVertexAttribArray(texCoordAttribIndex);
}
#if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
if (cairoImage->mSurface && pixmap) {
sGLXLibrary.ReleaseTexImage(pixmap);
sGLXLibrary.DestroyPixmap(pixmap);
}
#endif
#ifdef XP_MACOSX
} else if (image->GetFormat() == Image::MAC_IO_SURFACE) {
MacIOSurfaceImage *ioImage =
static_cast<MacIOSurfaceImage*>(image);
if (!mOGLManager->GetThebesLayerCallback()) {
// If its an empty transaction we still need to update
// the plugin IO Surface and make sure we grab the
// new image
ioImage->Update(GetContainer());
image = nsnull;
autoLock.Refresh();
image = autoLock.GetImage();
gl()->MakeCurrent();
ioImage = static_cast<MacIOSurfaceImage*>(image);
}
if (!ioImage) {
return;
}
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
if (!ioImage->GetBackendData(LayerManager::LAYERS_OPENGL)) {
AllocateTextureIOSurface(ioImage, gl());
}
MacIOSurfaceImageOGLBackendData *data =
static_cast<MacIOSurfaceImageOGLBackendData*>(ioImage->GetBackendData(LayerManager::LAYERS_OPENGL));
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, data->mTexture.GetTextureID());
ColorTextureLayerProgram *program =
mOGLManager->GetRGBARectLayerProgram();
program->Activate();
if (program->GetTexCoordMultiplierUniformLocation() != -1) {
// 2DRect case, get the multiplier right for a sampler2DRect
float f[] = { float(ioImage->GetSize().width), float(ioImage->GetSize().height) };
program->SetUniform(program->GetTexCoordMultiplierUniformLocation(),
2, f);
} else {
NS_ASSERTION(0, "no rects?");
}
program->SetLayerQuadRect(nsIntRect(0, 0,
ioImage->GetSize().width,
ioImage->GetSize().height));
program->SetLayerTransform(GetEffectiveTransform());
program->SetLayerOpacity(GetEffectiveOpacity());
program->SetRenderOffset(aOffset);
program->SetTextureUnit(0);
mOGLManager->BindAndDrawQuad(program);
gl()->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, 0);
#endif
}
GetContainer()->NotifyPaintedImage(image);
}
static void
InitTexture(GLContext* aGL, GLuint aTexture, GLenum aFormat, const gfxIntSize& aSize)
{
aGL->fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
aGL->fTexImage2D(LOCAL_GL_TEXTURE_2D,
0,
aFormat,
aSize.width,
aSize.height,
0,
aFormat,
LOCAL_GL_UNSIGNED_BYTE,
NULL);
}
static void
UploadYUVToTexture(GLContext* gl, const PlanarYCbCrImage::Data& aData,
GLTexture* aYTexture,
GLTexture* aUTexture,
GLTexture* aVTexture)
{
nsIntRect size(0, 0, aData.mYSize.width, aData.mYSize.height);
GLuint texture = aYTexture->GetTextureID();
nsRefPtr<gfxASurface> surf = new gfxImageSurface(aData.mYChannel,
aData.mYSize,
aData.mYStride,
gfxASurface::ImageFormatA8);
gl->UploadSurfaceToTexture(surf, size, texture, true);
size = nsIntRect(0, 0, aData.mCbCrSize.width, aData.mCbCrSize.height);
texture = aUTexture->GetTextureID();
surf = new gfxImageSurface(aData.mCbChannel,
aData.mCbCrSize,
aData.mCbCrStride,
gfxASurface::ImageFormatA8);
gl->UploadSurfaceToTexture(surf, size, texture, true);
texture = aVTexture->GetTextureID();
surf = new gfxImageSurface(aData.mCrChannel,
aData.mCbCrSize,
aData.mCbCrStride,
gfxASurface::ImageFormatA8);
gl->UploadSurfaceToTexture(surf, size, texture, true);
}
ImageLayerOGL::ImageLayerOGL(LayerManagerOGL *aManager)
: ImageLayer(aManager, NULL)
, LayerOGL(aManager)
, mTextureRecycleBin(new TextureRecycleBin())
{
mImplData = static_cast<LayerOGL*>(this);
}
void
ImageLayerOGL::AllocateTexturesYCbCr(PlanarYCbCrImage *aImage)
{
if (!aImage->mBufferSize)
return;
nsAutoPtr<PlanarYCbCrOGLBackendData> backendData(
new PlanarYCbCrOGLBackendData);
PlanarYCbCrImage::Data &data = aImage->mData;
GLContext *gl = mOGLManager->glForResources();
gl->MakeCurrent();
mTextureRecycleBin->GetTexture(TextureRecycleBin::TEXTURE_Y, data.mYSize, gl, &backendData->mTextures[0]);
InitTexture(gl, backendData->mTextures[0].GetTextureID(), LOCAL_GL_LUMINANCE, data.mYSize);
mTextureRecycleBin->GetTexture(TextureRecycleBin::TEXTURE_C, data.mCbCrSize, gl, &backendData->mTextures[1]);
InitTexture(gl, backendData->mTextures[1].GetTextureID(), LOCAL_GL_LUMINANCE, data.mCbCrSize);
mTextureRecycleBin->GetTexture(TextureRecycleBin::TEXTURE_C, data.mCbCrSize, gl, &backendData->mTextures[2]);
InitTexture(gl, backendData->mTextures[2].GetTextureID(), LOCAL_GL_LUMINANCE, data.mCbCrSize);
UploadYUVToTexture(gl, aImage->mData,
&backendData->mTextures[0],
&backendData->mTextures[1],
&backendData->mTextures[2]);
backendData->mYSize = aImage->mData.mYSize;
backendData->mCbCrSize = aImage->mData.mCbCrSize;
backendData->mTextureRecycleBin = mTextureRecycleBin;
aImage->SetBackendData(LayerManager::LAYERS_OPENGL, backendData.forget());
}
void
ImageLayerOGL::AllocateTexturesCairo(CairoImage *aImage)
{
nsAutoPtr<CairoOGLBackendData> backendData(
new CairoOGLBackendData);
GLTexture &texture = backendData->mTexture;
texture.Allocate(mOGLManager->glForResources());
if (!texture.IsAllocated()) {
return;
}
mozilla::gl::GLContext *gl = texture.GetGLContext();
gl->MakeCurrent();
GLuint tex = texture.GetTextureID();
gl->fActiveTexture(LOCAL_GL_TEXTURE0);
#if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
if (sGLXLibrary.SupportsTextureFromPixmap(aImage->mSurface)) {
if (aImage->mSurface->GetContentType() == gfxASurface::CONTENT_COLOR_ALPHA) {
backendData->mLayerProgram = gl::RGBALayerProgramType;
} else {
backendData->mLayerProgram = gl::RGBXLayerProgramType;
}
aImage->SetBackendData(LayerManager::LAYERS_OPENGL, backendData.forget());
return;
}
#endif
backendData->mLayerProgram =
gl->UploadSurfaceToTexture(aImage->mSurface,
nsIntRect(0,0, aImage->mSize.width, aImage->mSize.height),
tex, true);
aImage->SetBackendData(LayerManager::LAYERS_OPENGL, backendData.forget());
}
void CairoOGLBackendData::SetTiling(bool aTiling)
{
if (aTiling == mTiling)
return;
mozilla::gl::GLContext *gl = mTexture.GetGLContext();
gl->MakeCurrent();
gl->fActiveTexture(LOCAL_GL_TEXTURE0);
gl->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture.GetTextureID());
mTiling = aTiling;
if (aTiling) {
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_REPEAT);
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_REPEAT);
} else {
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
}
}
ShadowImageLayerOGL::ShadowImageLayerOGL(LayerManagerOGL* aManager)
: ShadowImageLayer(aManager, nsnull)
, LayerOGL(aManager)
{
mImplData = static_cast<LayerOGL*>(this);
}
ShadowImageLayerOGL::~ShadowImageLayerOGL()
{}
bool
ShadowImageLayerOGL::Init(const SharedImage& aFront)
{
if (aFront.type() == SharedImage::TSurfaceDescriptor) {
SurfaceDescriptor desc = aFront.get_SurfaceDescriptor();
nsRefPtr<gfxASurface> surf =
ShadowLayerForwarder::OpenDescriptor(desc);
mSize = surf->GetSize();
mTexImage = gl()->CreateTextureImage(nsIntSize(mSize.width, mSize.height),
surf->GetContentType(),
LOCAL_GL_CLAMP_TO_EDGE);
return true;
} else {
YUVImage yuv = aFront.get_YUVImage();
nsRefPtr<gfxSharedImageSurface> surfY =
gfxSharedImageSurface::Open(yuv.Ydata());
nsRefPtr<gfxSharedImageSurface> surfU =
gfxSharedImageSurface::Open(yuv.Udata());
nsRefPtr<gfxSharedImageSurface> surfV =
gfxSharedImageSurface::Open(yuv.Vdata());
mSize = surfY->GetSize();
mCbCrSize = surfU->GetSize();
if (!mYUVTexture[0].IsAllocated()) {
mYUVTexture[0].Allocate(mOGLManager->glForResources());
mYUVTexture[1].Allocate(mOGLManager->glForResources());
mYUVTexture[2].Allocate(mOGLManager->glForResources());
}
NS_ASSERTION(mYUVTexture[0].IsAllocated() &&
mYUVTexture[1].IsAllocated() &&
mYUVTexture[2].IsAllocated(),
"Texture allocation failed!");
gl()->MakeCurrent();
InitTexture(gl(), mYUVTexture[0].GetTextureID(), LOCAL_GL_LUMINANCE, mSize);
InitTexture(gl(), mYUVTexture[1].GetTextureID(), LOCAL_GL_LUMINANCE, mCbCrSize);
InitTexture(gl(), mYUVTexture[2].GetTextureID(), LOCAL_GL_LUMINANCE, mCbCrSize);
return true;
}
return false;
}
void
ShadowImageLayerOGL::Swap(const SharedImage& aNewFront,
SharedImage* aNewBack)
{
if (!mDestroyed) {
if (aNewFront.type() == SharedImage::TSurfaceDescriptor) {
nsRefPtr<gfxASurface> surf =
ShadowLayerForwarder::OpenDescriptor(aNewFront.get_SurfaceDescriptor());
gfxIntSize size = surf->GetSize();
if (mSize != size || !mTexImage ||
mTexImage->GetContentType() != surf->GetContentType()) {
Init(aNewFront);
}
// XXX this is always just ridiculously slow
nsIntRegion updateRegion(nsIntRect(0, 0, size.width, size.height));
mTexImage->DirectUpdate(surf, updateRegion);
} else {
const YUVImage& yuv = aNewFront.get_YUVImage();
nsRefPtr<gfxSharedImageSurface> surfY =
gfxSharedImageSurface::Open(yuv.Ydata());
nsRefPtr<gfxSharedImageSurface> surfU =
gfxSharedImageSurface::Open(yuv.Udata());
nsRefPtr<gfxSharedImageSurface> surfV =
gfxSharedImageSurface::Open(yuv.Vdata());
mPictureRect = yuv.picture();
gfxIntSize size = surfY->GetSize();
gfxIntSize CbCrSize = surfU->GetSize();
if (size != mSize || mCbCrSize != CbCrSize || !mYUVTexture[0].IsAllocated()) {
Init(aNewFront);
}
PlanarYCbCrImage::Data data;
data.mYChannel = surfY->Data();
data.mYStride = surfY->Stride();
data.mYSize = surfY->GetSize();
data.mCbChannel = surfU->Data();
data.mCrChannel = surfV->Data();
data.mCbCrStride = surfU->Stride();
data.mCbCrSize = surfU->GetSize();
UploadYUVToTexture(gl(), data, &mYUVTexture[0], &mYUVTexture[1], &mYUVTexture[2]);
}
}
*aNewBack = aNewFront;
}
void
ShadowImageLayerOGL::Disconnect()
{
Destroy();
}
void
ShadowImageLayerOGL::Destroy()
{
if (!mDestroyed) {
mDestroyed = true;
CleanupResources();
}
}
Layer*
ShadowImageLayerOGL::GetLayer()
{
return this;
}
void
ShadowImageLayerOGL::RenderLayer(int aPreviousFrameBuffer,
const nsIntPoint& aOffset)
{
mOGLManager->MakeCurrent();
if (mTexImage) {
ColorTextureLayerProgram *colorProgram =
mOGLManager->GetColorTextureLayerProgram(mTexImage->GetShaderProgramType());
colorProgram->Activate();
colorProgram->SetTextureUnit(0);
colorProgram->SetLayerTransform(GetEffectiveTransform());
colorProgram->SetLayerOpacity(GetEffectiveOpacity());
colorProgram->SetRenderOffset(aOffset);
mTexImage->SetFilter(mFilter);
mTexImage->BeginTileIteration();
do {
TextureImage::ScopedBindTextureAndApplyFilter texBind(mTexImage, LOCAL_GL_TEXTURE0);
colorProgram->SetLayerQuadRect(mTexImage->GetTileRect());
mOGLManager->BindAndDrawQuad(colorProgram);
} while (mTexImage->NextTile());
} else {
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mYUVTexture[0].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mYUVTexture[1].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mYUVTexture[2].GetTextureID());
gl()->ApplyFilterToBoundTexture(mFilter);
YCbCrTextureLayerProgram *yuvProgram = mOGLManager->GetYCbCrLayerProgram();
yuvProgram->Activate();
yuvProgram->SetLayerQuadRect(nsIntRect(0, 0,
mPictureRect.width,
mPictureRect.height));
yuvProgram->SetYCbCrTextureUnits(0, 1, 2);
yuvProgram->SetLayerTransform(GetEffectiveTransform());
yuvProgram->SetLayerOpacity(GetEffectiveOpacity());
yuvProgram->SetRenderOffset(aOffset);
mOGLManager->BindAndDrawQuadWithTextureRect(yuvProgram,
mPictureRect,
nsIntSize(mSize.width, mSize.height));
}
}
void
ShadowImageLayerOGL::CleanupResources()
{
mTexImage = nsnull;
}
} /* layers */
} /* mozilla */
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