mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
392 lines
11 KiB
C++
392 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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// * This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GLContext.h"
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#include "gfxImageSurface.h"
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#include "gfx2DGlue.h"
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#include <ui/GraphicBuffer.h>
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#include "GrallocImages.h" // for GrallocImage
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#include "mozilla/layers/GrallocTextureHost.h"
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#include "mozilla/layers/CompositorOGL.h"
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#include "EGLImageHelpers.h"
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#include "GLReadTexImageHelper.h"
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namespace mozilla {
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namespace layers {
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using namespace android;
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static gfx::SurfaceFormat
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SurfaceFormatForAndroidPixelFormat(android::PixelFormat aFormat,
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bool swapRB = false)
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{
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switch (aFormat) {
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case android::PIXEL_FORMAT_BGRA_8888:
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return swapRB ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8A8;
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case android::PIXEL_FORMAT_RGBA_8888:
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return swapRB ? gfx::SurfaceFormat::B8G8R8A8 : gfx::SurfaceFormat::R8G8B8A8;
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case android::PIXEL_FORMAT_RGBX_8888:
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return swapRB ? gfx::SurfaceFormat::B8G8R8X8 : gfx::SurfaceFormat::R8G8B8X8;
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case android::PIXEL_FORMAT_RGB_565:
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return gfx::SurfaceFormat::R5G6B5;
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case HAL_PIXEL_FORMAT_YCbCr_422_SP:
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case HAL_PIXEL_FORMAT_YCrCb_420_SP:
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case HAL_PIXEL_FORMAT_YCbCr_422_I:
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case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
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case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
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case HAL_PIXEL_FORMAT_YV12:
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return gfx::SurfaceFormat::B8G8R8A8; // yup, use SurfaceFormat::B8G8R8A8 even though it's a YUV texture. This is an external texture.
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default:
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if (aFormat >= 0x100 && aFormat <= 0x1FF) {
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// Reserved range for HAL specific formats.
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return gfx::SurfaceFormat::B8G8R8A8;
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} else {
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// This is not super-unreachable, there's a bunch of hypothetical pixel
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// formats we don't deal with.
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// We only want to abort in debug builds here, since if we crash here
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// we'll take down the compositor process and thus the phone. This seems
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// like undesirable behaviour. We'd rather have a subtle artifact.
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printf_stderr(" xxxxx unknow android format %i\n", (int)aFormat);
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MOZ_ASSERT(false, "Unknown Android pixel format.");
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return gfx::SurfaceFormat::UNKNOWN;
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}
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}
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}
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static GLenum
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TextureTargetForAndroidPixelFormat(android::PixelFormat aFormat)
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{
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switch (aFormat) {
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case HAL_PIXEL_FORMAT_YCbCr_422_SP:
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case HAL_PIXEL_FORMAT_YCrCb_420_SP:
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case HAL_PIXEL_FORMAT_YCbCr_422_I:
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case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
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case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
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case HAL_PIXEL_FORMAT_YV12:
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return LOCAL_GL_TEXTURE_EXTERNAL;
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case android::PIXEL_FORMAT_RGBA_8888:
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case android::PIXEL_FORMAT_RGBX_8888:
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case android::PIXEL_FORMAT_RGB_565:
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return LOCAL_GL_TEXTURE_2D;
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default:
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if (aFormat >= 0x100 && aFormat <= 0x1FF) {
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// Reserved range for HAL specific formats.
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return LOCAL_GL_TEXTURE_EXTERNAL;
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} else {
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// This is not super-unreachable, there's a bunch of hypothetical pixel
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// formats we don't deal with.
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// We only want to abort in debug builds here, since if we crash here
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// we'll take down the compositor process and thus the phone. This seems
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// like undesirable behaviour. We'd rather have a subtle artifact.
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MOZ_ASSERT(false, "Unknown Android pixel format.");
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return LOCAL_GL_TEXTURE_EXTERNAL;
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}
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}
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}
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GrallocTextureSourceOGL::GrallocTextureSourceOGL(CompositorOGL* aCompositor,
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android::GraphicBuffer* aGraphicBuffer,
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gfx::SurfaceFormat aFormat)
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: mCompositor(aCompositor)
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, mGraphicBuffer(aGraphicBuffer)
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, mEGLImage(0)
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, mFormat(aFormat)
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, mNeedsReset(true)
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{
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MOZ_ASSERT(mGraphicBuffer.get());
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}
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GrallocTextureSourceOGL::~GrallocTextureSourceOGL()
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{
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DeallocateDeviceData();
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mCompositor = nullptr;
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}
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void GrallocTextureSourceOGL::BindTexture(GLenum aTextureUnit)
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{
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/*
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* The job of this function is to ensure that the texture is tied to the
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* android::GraphicBuffer, so that texturing will source the GraphicBuffer.
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*
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* To this effect we create an EGLImage wrapping this GraphicBuffer,
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* using EGLImageCreateFromNativeBuffer, and then we tie this EGLImage to our
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* texture using fEGLImageTargetTexture2D.
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*/
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MOZ_ASSERT(gl());
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gl()->MakeCurrent();
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GLuint tex = GetGLTexture();
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GLuint textureTarget = GetTextureTarget();
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gl()->fActiveTexture(aTextureUnit);
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gl()->fBindTexture(textureTarget, tex);
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if (!mEGLImage) {
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mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
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}
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gl()->fEGLImageTargetTexture2D(textureTarget, mEGLImage);
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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}
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bool
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GrallocTextureSourceOGL::IsValid() const
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{
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return !!gl() && !!mGraphicBuffer.get();
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}
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gl::GLContext*
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GrallocTextureSourceOGL::gl() const
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{
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return mCompositor ? mCompositor->gl() : nullptr;
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}
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void
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GrallocTextureSourceOGL::SetCompositor(Compositor* aCompositor)
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{
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if (mCompositor && !aCompositor) {
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DeallocateDeviceData();
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}
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mCompositor = static_cast<CompositorOGL*>(aCompositor);
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}
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GLenum
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GrallocTextureSourceOGL::GetTextureTarget() const
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{
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MOZ_ASSERT(mGraphicBuffer.get());
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return TextureTargetForAndroidPixelFormat(mGraphicBuffer->getPixelFormat());
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}
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gfx::SurfaceFormat
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GrallocTextureSourceOGL::GetFormat() const {
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if (!mGraphicBuffer.get()) {
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return gfx::SurfaceFormat::UNKNOWN;
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}
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if (GetTextureTarget() == LOCAL_GL_TEXTURE_EXTERNAL) {
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return gfx::SurfaceFormat::R8G8B8A8;
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}
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return mFormat;
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}
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void
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GrallocTextureSourceOGL::SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData)
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{
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if (!aBackendData) {
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mCompositableBackendData = nullptr;
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DeallocateDeviceData();
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return;
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}
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if (mCompositableBackendData != aBackendData) {
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mNeedsReset = true;
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}
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if (!mNeedsReset) {
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// Update binding to the EGLImage
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gl()->MakeCurrent();
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GLuint tex = GetGLTexture();
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GLuint textureTarget = GetTextureTarget();
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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gl()->fBindTexture(textureTarget, tex);
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gl()->fEGLImageTargetTexture2D(textureTarget, mEGLImage);
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return;
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}
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mCompositableBackendData = aBackendData;
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if (!mCompositor) {
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return;
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}
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// delete old EGLImage
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DeallocateDeviceData();
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gl()->MakeCurrent();
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GLuint tex = GetGLTexture();
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GLuint textureTarget = GetTextureTarget();
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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gl()->fBindTexture(textureTarget, tex);
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// create new EGLImage
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mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
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gl()->fEGLImageTargetTexture2D(textureTarget, mEGLImage);
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mNeedsReset = false;
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}
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gfx::IntSize
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GrallocTextureSourceOGL::GetSize() const
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{
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if (!IsValid()) {
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NS_WARNING("Trying to access the size of an invalid GrallocTextureSourceOGL");
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return gfx::IntSize(0, 0);
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}
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return gfx::IntSize(mGraphicBuffer->getWidth(), mGraphicBuffer->getHeight());
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}
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void
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GrallocTextureSourceOGL::DeallocateDeviceData()
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{
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if (mEGLImage) {
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MOZ_ASSERT(gl());
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gl()->MakeCurrent();
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EGLImageDestroy(gl(), mEGLImage);
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mEGLImage = EGL_NO_IMAGE;
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}
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}
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GrallocTextureHostOGL::GrallocTextureHostOGL(TextureFlags aFlags,
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const NewSurfaceDescriptorGralloc& aDescriptor)
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: TextureHost(aFlags)
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{
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mGrallocActor =
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static_cast<GrallocBufferActor*>(aDescriptor.bufferParent());
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mGrallocActor->AddTextureHost(this);
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android::GraphicBuffer* graphicBuffer = mGrallocActor->GetGraphicBuffer();
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mSize = aDescriptor.size();
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gfx::SurfaceFormat format =
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SurfaceFormatForAndroidPixelFormat(graphicBuffer->getPixelFormat(),
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aFlags & TEXTURE_RB_SWAPPED);
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mTextureSource = new GrallocTextureSourceOGL(nullptr,
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graphicBuffer,
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format);
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}
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GrallocTextureHostOGL::~GrallocTextureHostOGL()
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{
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mTextureSource = nullptr;
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if (mGrallocActor) {
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mGrallocActor->RemoveTextureHost();
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mGrallocActor = nullptr;
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}
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}
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void
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GrallocTextureHostOGL::SetCompositor(Compositor* aCompositor)
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{
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mTextureSource->SetCompositor(static_cast<CompositorOGL*>(aCompositor));
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}
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bool
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GrallocTextureHostOGL::Lock()
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{
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return IsValid();
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}
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void
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GrallocTextureHostOGL::Unlock()
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{
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// Unlock is done internally by binding the texture to another gralloc buffer
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}
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bool
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GrallocTextureHostOGL::IsValid() const
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{
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return mTextureSource->IsValid();
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}
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gfx::SurfaceFormat
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GrallocTextureHostOGL::GetFormat() const
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{
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return mTextureSource->GetFormat();
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}
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void
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GrallocTextureHostOGL::DeallocateSharedData()
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{
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if (mTextureSource) {
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mTextureSource->ForgetBuffer();
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}
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if (mGrallocActor) {
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PGrallocBufferParent::Send__delete__(mGrallocActor);
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}
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}
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void
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GrallocTextureHostOGL::ForgetSharedData()
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{
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if (mTextureSource) {
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mTextureSource->ForgetBuffer();
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}
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}
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void
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GrallocTextureHostOGL::DeallocateDeviceData()
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{
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mTextureSource->DeallocateDeviceData();
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}
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LayerRenderState
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GrallocTextureHostOGL::GetRenderState()
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{
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if (IsValid()) {
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uint32_t flags = 0;
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if (mFlags & TEXTURE_NEEDS_Y_FLIP) {
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flags |= LAYER_RENDER_STATE_Y_FLIPPED;
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}
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if (mFlags & TEXTURE_RB_SWAPPED) {
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flags |= LAYER_RENDER_STATE_FORMAT_RB_SWAP;
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}
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return LayerRenderState(mTextureSource->mGraphicBuffer.get(),
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gfx::ThebesIntSize(mSize),
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flags,
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this);
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}
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return LayerRenderState();
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}
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TemporaryRef<gfx::DataSourceSurface>
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GrallocTextureHostOGL::GetAsSurface() {
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return mTextureSource ? mTextureSource->GetAsSurface()
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: nullptr;
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}
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TemporaryRef<gfx::DataSourceSurface>
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GrallocTextureSourceOGL::GetAsSurface() {
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MOZ_ASSERT(gl());
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gl()->MakeCurrent();
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GLuint tex = GetGLTexture();
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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gl()->fBindTexture(GetTextureTarget(), tex);
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if (!mEGLImage) {
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mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
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}
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gl()->fEGLImageTargetTexture2D(GetTextureTarget(), mEGLImage);
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RefPtr<gfx::DataSourceSurface> surf =
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IsValid() ? ReadBackSurface(gl(), tex, false, GetFormat())
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: nullptr;
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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return surf.forget();
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}
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GLuint
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GrallocTextureSourceOGL::GetGLTexture()
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{
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mCompositableBackendData->SetCompositor(mCompositor);
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return static_cast<CompositableDataGonkOGL*>(mCompositableBackendData.get())->GetTexture();
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}
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void
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GrallocTextureHostOGL::SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData)
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{
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mCompositableBackendData = aBackendData;
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if (mTextureSource) {
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mTextureSource->SetCompositableBackendSpecificData(aBackendData);
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}
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// Register this object to CompositableBackendSpecificData
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// as current TextureHost.
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if (aBackendData) {
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aBackendData->SetCurrentReleaseFenceTexture(this);
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}
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}
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} // namepsace layers
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} // namepsace mozilla
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