Revert "Revert "Revert "TextureView Vulkan support and optimized OpenGL draw"""
This reverts commit 85f9096b5272c9a39e592e2e97cbbe6cb0e767ab.
Reason for revert: lensblur broken.
Change-Id: I83ac163159fc537bc15936a0f8597a7512ca9d6e
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp
new file mode 100644
index 0000000..1e90eeb
--- /dev/null
+++ b/libs/hwui/Texture.cpp
@@ -0,0 +1,413 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Texture.h"
+#include "Caches.h"
+#include "utils/GLUtils.h"
+#include "utils/MathUtils.h"
+#include "utils/TraceUtils.h"
+
+#include <utils/Log.h>
+
+#include <math/mat4.h>
+
+#include <SkCanvas.h>
+
+namespace android {
+namespace uirenderer {
+
+// Number of bytes used by a texture in the given format
+static int bytesPerPixel(GLint glFormat) {
+ switch (glFormat) {
+ // The wrapped-texture case, usually means a SurfaceTexture
+ case 0:
+ return 0;
+ case GL_LUMINANCE:
+ case GL_ALPHA:
+ return 1;
+ case GL_SRGB8:
+ case GL_RGB:
+ return 3;
+ case GL_SRGB8_ALPHA8:
+ case GL_RGBA:
+ return 4;
+ case GL_RGBA16F:
+ return 8;
+ default:
+ LOG_ALWAYS_FATAL("UNKNOWN FORMAT 0x%x", glFormat);
+ }
+}
+
+void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force) {
+ if (force || wrapS != mWrapS || wrapT != mWrapT) {
+ mWrapS = wrapS;
+ mWrapT = wrapT;
+
+ if (bindTexture) {
+ mCaches.textureState().bindTexture(mTarget, mId);
+ }
+
+ glTexParameteri(mTarget, GL_TEXTURE_WRAP_S, wrapS);
+ glTexParameteri(mTarget, GL_TEXTURE_WRAP_T, wrapT);
+ }
+}
+
+void Texture::setFilterMinMag(GLenum min, GLenum mag, bool bindTexture, bool force) {
+ if (force || min != mMinFilter || mag != mMagFilter) {
+ mMinFilter = min;
+ mMagFilter = mag;
+
+ if (bindTexture) {
+ mCaches.textureState().bindTexture(mTarget, mId);
+ }
+
+ if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
+
+ glTexParameteri(mTarget, GL_TEXTURE_MIN_FILTER, min);
+ glTexParameteri(mTarget, GL_TEXTURE_MAG_FILTER, mag);
+ }
+}
+
+void Texture::deleteTexture() {
+ mCaches.textureState().deleteTexture(mId);
+ mId = 0;
+ mTarget = GL_NONE;
+ if (mEglImageHandle != EGL_NO_IMAGE_KHR) {
+ EGLDisplay eglDisplayHandle = eglGetCurrentDisplay();
+ eglDestroyImageKHR(eglDisplayHandle, mEglImageHandle);
+ mEglImageHandle = EGL_NO_IMAGE_KHR;
+ }
+}
+
+bool Texture::updateLayout(uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+ GLenum target) {
+ if (mWidth == width && mHeight == height && mFormat == format &&
+ mInternalFormat == internalFormat && mTarget == target) {
+ return false;
+ }
+ mWidth = width;
+ mHeight = height;
+ mFormat = format;
+ mInternalFormat = internalFormat;
+ mTarget = target;
+ notifySizeChanged(mWidth * mHeight * bytesPerPixel(internalFormat));
+ return true;
+}
+
+void Texture::resetCachedParams() {
+ mWrapS = GL_REPEAT;
+ mWrapT = GL_REPEAT;
+ mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
+ mMagFilter = GL_LINEAR;
+}
+
+void Texture::upload(GLint internalFormat, uint32_t width, uint32_t height, GLenum format,
+ GLenum type, const void* pixels) {
+ GL_CHECKPOINT(MODERATE);
+
+ // We don't have color space information, we assume the data is gamma encoded
+ mIsLinear = false;
+
+ bool needsAlloc = updateLayout(width, height, internalFormat, format, GL_TEXTURE_2D);
+ if (!mId) {
+ glGenTextures(1, &mId);
+ needsAlloc = true;
+ resetCachedParams();
+ }
+ mCaches.textureState().bindTexture(GL_TEXTURE_2D, mId);
+ if (needsAlloc) {
+ glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, mWidth, mHeight, 0, format, type, pixels);
+ } else if (pixels) {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, internalFormat, mWidth, mHeight, 0, format, type, pixels);
+ }
+ GL_CHECKPOINT(MODERATE);
+}
+
+void Texture::uploadHardwareBitmapToTexture(GraphicBuffer* buffer) {
+ EGLDisplay eglDisplayHandle = eglGetCurrentDisplay();
+ if (mEglImageHandle != EGL_NO_IMAGE_KHR) {
+ eglDestroyImageKHR(eglDisplayHandle, mEglImageHandle);
+ mEglImageHandle = EGL_NO_IMAGE_KHR;
+ }
+ mEglImageHandle = eglCreateImageKHR(eglDisplayHandle, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
+ buffer->getNativeBuffer(), 0);
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, mEglImageHandle);
+}
+
+static void uploadToTexture(bool resize, GLint internalFormat, GLenum format, GLenum type,
+ GLsizei stride, GLsizei bpp, GLsizei width, GLsizei height,
+ const GLvoid* data) {
+ const bool useStride =
+ stride != width && Caches::getInstance().extensions().hasUnpackRowLength();
+ if ((stride == width) || useStride) {
+ if (useStride) {
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
+ }
+
+ if (resize) {
+ glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type, data);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, data);
+ }
+
+ if (useStride) {
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+ }
+ } else {
+ // With OpenGL ES 2.0 we need to copy the bitmap in a temporary buffer
+ // if the stride doesn't match the width
+
+ GLvoid* temp = (GLvoid*)malloc(width * height * bpp);
+ if (!temp) return;
+
+ uint8_t* pDst = (uint8_t*)temp;
+ uint8_t* pSrc = (uint8_t*)data;
+ for (GLsizei i = 0; i < height; i++) {
+ memcpy(pDst, pSrc, width * bpp);
+ pDst += width * bpp;
+ pSrc += stride * bpp;
+ }
+
+ if (resize) {
+ glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type, temp);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, temp);
+ }
+
+ free(temp);
+ }
+}
+
+void Texture::colorTypeToGlFormatAndType(const Caches& caches, SkColorType colorType, bool needSRGB,
+ GLint* outInternalFormat, GLint* outFormat,
+ GLint* outType) {
+ switch (colorType) {
+ case kAlpha_8_SkColorType:
+ *outFormat = GL_ALPHA;
+ *outInternalFormat = GL_ALPHA;
+ *outType = GL_UNSIGNED_BYTE;
+ break;
+ case kRGB_565_SkColorType:
+ if (needSRGB) {
+ // We would ideally use a GL_RGB/GL_SRGB8 texture but the
+ // intermediate Skia bitmap needs to be ARGB_8888
+ *outFormat = GL_RGBA;
+ *outInternalFormat = caches.rgbaInternalFormat();
+ *outType = GL_UNSIGNED_BYTE;
+ } else {
+ *outFormat = GL_RGB;
+ *outInternalFormat = GL_RGB;
+ *outType = GL_UNSIGNED_SHORT_5_6_5;
+ }
+ break;
+ // ARGB_4444 is upconverted to RGBA_8888
+ case kARGB_4444_SkColorType:
+ case kN32_SkColorType:
+ *outFormat = GL_RGBA;
+ *outInternalFormat = caches.rgbaInternalFormat(needSRGB);
+ *outType = GL_UNSIGNED_BYTE;
+ break;
+ case kGray_8_SkColorType:
+ *outFormat = GL_LUMINANCE;
+ *outInternalFormat = GL_LUMINANCE;
+ *outType = GL_UNSIGNED_BYTE;
+ break;
+ case kRGBA_F16_SkColorType:
+ if (caches.extensions().getMajorGlVersion() >= 3) {
+ // This format is always linear
+ *outFormat = GL_RGBA;
+ *outInternalFormat = GL_RGBA16F;
+ *outType = GL_HALF_FLOAT;
+ } else {
+ *outFormat = GL_RGBA;
+ *outInternalFormat = caches.rgbaInternalFormat(true);
+ *outType = GL_UNSIGNED_BYTE;
+ }
+ break;
+ default:
+ LOG_ALWAYS_FATAL("Unsupported bitmap colorType: %d", colorType);
+ break;
+ }
+}
+
+SkBitmap Texture::uploadToN32(const SkBitmap& bitmap, bool hasLinearBlending,
+ sk_sp<SkColorSpace> sRGB) {
+ SkBitmap rgbaBitmap;
+ rgbaBitmap.allocPixels(SkImageInfo::MakeN32(bitmap.width(), bitmap.height(),
+ bitmap.info().alphaType(),
+ hasLinearBlending ? sRGB : nullptr));
+ rgbaBitmap.eraseColor(0);
+
+ if (bitmap.colorType() == kRGBA_F16_SkColorType) {
+ // Drawing RGBA_F16 onto ARGB_8888 is not supported
+ bitmap.readPixels(rgbaBitmap.info().makeColorSpace(SkColorSpace::MakeSRGB()),
+ rgbaBitmap.getPixels(), rgbaBitmap.rowBytes(), 0, 0);
+ } else {
+ SkCanvas canvas(rgbaBitmap);
+ canvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr);
+ }
+
+ return rgbaBitmap;
+}
+
+bool Texture::hasUnsupportedColorType(const SkImageInfo& info, bool hasLinearBlending) {
+ return info.colorType() == kARGB_4444_SkColorType ||
+ (info.colorType() == kRGB_565_SkColorType && hasLinearBlending &&
+ info.colorSpace()->isSRGB()) ||
+ (info.colorType() == kRGBA_F16_SkColorType &&
+ Caches::getInstance().extensions().getMajorGlVersion() < 3);
+}
+
+void Texture::upload(Bitmap& bitmap) {
+ ATRACE_FORMAT("Upload %ux%u Texture", bitmap.width(), bitmap.height());
+
+ // We could also enable mipmapping if both bitmap dimensions are powers
+ // of 2 but we'd have to deal with size changes. Let's keep this simple
+ const bool canMipMap = mCaches.extensions().hasNPot();
+
+ // If the texture had mipmap enabled but not anymore,
+ // force a glTexImage2D to discard the mipmap levels
+ bool needsAlloc = canMipMap && mipMap && !bitmap.hasHardwareMipMap();
+ bool setDefaultParams = false;
+
+ if (!mId) {
+ glGenTextures(1, &mId);
+ needsAlloc = true;
+ setDefaultParams = true;
+ }
+
+ bool hasLinearBlending = mCaches.extensions().hasLinearBlending();
+ bool needSRGB = transferFunctionCloseToSRGB(bitmap.info().colorSpace());
+
+ GLint internalFormat, format, type;
+ colorTypeToGlFormatAndType(mCaches, bitmap.colorType(), needSRGB && hasLinearBlending,
+ &internalFormat, &format, &type);
+
+ // Some devices don't support GL_RGBA16F, so we need to compare the color type
+ // and internal GL format to decide what to do with 16 bit bitmaps
+ bool rgba16fNeedsConversion =
+ bitmap.colorType() == kRGBA_F16_SkColorType && internalFormat != GL_RGBA16F;
+
+ // RGBA16F is always linear extended sRGB
+ if (internalFormat == GL_RGBA16F) {
+ mIsLinear = true;
+ }
+
+ mConnector.reset();
+
+ // Alpha masks don't have color profiles
+ // If an RGBA16F bitmap needs conversion, we know the target will be sRGB
+ if (!mIsLinear && internalFormat != GL_ALPHA && !rgba16fNeedsConversion) {
+ SkColorSpace* colorSpace = bitmap.info().colorSpace();
+ // If the bitmap is sRGB we don't need conversion
+ if (colorSpace != nullptr && !colorSpace->isSRGB()) {
+ SkMatrix44 xyzMatrix(SkMatrix44::kUninitialized_Constructor);
+ if (!colorSpace->toXYZD50(&xyzMatrix)) {
+ ALOGW("Incompatible color space!");
+ } else {
+ SkColorSpaceTransferFn fn;
+ if (!colorSpace->isNumericalTransferFn(&fn)) {
+ ALOGW("Incompatible color space, no numerical transfer function!");
+ } else {
+ float data[16];
+ xyzMatrix.asColMajorf(data);
+
+ ColorSpace::TransferParameters p = {fn.fG, fn.fA, fn.fB, fn.fC,
+ fn.fD, fn.fE, fn.fF};
+ ColorSpace src("Unnamed", mat4f((const float*)&data[0]).upperLeft(), p);
+ mConnector.reset(new ColorSpaceConnector(src, ColorSpace::sRGB()));
+
+ // A non-sRGB color space might have a transfer function close enough to sRGB
+ // that we can save shader instructions by using an sRGB sampler
+ // This is only possible if we have hardware support for sRGB textures
+ if (needSRGB && internalFormat == GL_RGBA && mCaches.extensions().hasSRGB() &&
+ !bitmap.isHardware()) {
+ internalFormat = GL_SRGB8_ALPHA8;
+ }
+ }
+ }
+ }
+ }
+
+ GLenum target = bitmap.isHardware() ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
+ needsAlloc |= updateLayout(bitmap.width(), bitmap.height(), internalFormat, format, target);
+
+ blend = !bitmap.isOpaque();
+ mCaches.textureState().bindTexture(mTarget, mId);
+
+ // TODO: Handle sRGB gray bitmaps
+ if (CC_UNLIKELY(hasUnsupportedColorType(bitmap.info(), hasLinearBlending))) {
+ SkBitmap skBitmap;
+ bitmap.getSkBitmap(&skBitmap);
+ sk_sp<SkColorSpace> sRGB = SkColorSpace::MakeSRGB();
+ SkBitmap rgbaBitmap = uploadToN32(skBitmap, hasLinearBlending, std::move(sRGB));
+ uploadToTexture(needsAlloc, internalFormat, format, type, rgbaBitmap.rowBytesAsPixels(),
+ rgbaBitmap.bytesPerPixel(), rgbaBitmap.width(), rgbaBitmap.height(),
+ rgbaBitmap.getPixels());
+ } else if (bitmap.isHardware()) {
+ uploadHardwareBitmapToTexture(bitmap.graphicBuffer());
+ } else {
+ uploadToTexture(needsAlloc, internalFormat, format, type, bitmap.rowBytesAsPixels(),
+ bitmap.info().bytesPerPixel(), bitmap.width(), bitmap.height(),
+ bitmap.pixels());
+ }
+
+ if (canMipMap) {
+ mipMap = bitmap.hasHardwareMipMap();
+ if (mipMap) {
+ glGenerateMipmap(GL_TEXTURE_2D);
+ }
+ }
+
+ if (setDefaultParams) {
+ setFilter(GL_NEAREST);
+ setWrap(GL_CLAMP_TO_EDGE);
+ }
+}
+
+void Texture::wrap(GLuint id, uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+ GLenum target) {
+ mId = id;
+ mWidth = width;
+ mHeight = height;
+ mFormat = format;
+ mInternalFormat = internalFormat;
+ mTarget = target;
+ mConnector.reset();
+ // We're wrapping an existing texture, so don't double count this memory
+ notifySizeChanged(0);
+}
+
+TransferFunctionType Texture::getTransferFunctionType() const {
+ if (mConnector.get() != nullptr && mInternalFormat != GL_SRGB8_ALPHA8) {
+ const ColorSpace::TransferParameters& p = mConnector->getSource().getTransferParameters();
+ if (MathUtils::isZero(p.e) && MathUtils::isZero(p.f)) {
+ if (MathUtils::areEqual(p.a, 1.0f) && MathUtils::isZero(p.b) &&
+ MathUtils::isZero(p.c) && MathUtils::isZero(p.d)) {
+ if (MathUtils::areEqual(p.g, 1.0f)) {
+ return TransferFunctionType::None;
+ }
+ return TransferFunctionType::Gamma;
+ }
+ return TransferFunctionType::Limited;
+ }
+ return TransferFunctionType::Full;
+ }
+ return TransferFunctionType::None;
+}
+
+}; // namespace uirenderer
+}; // namespace android