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Diffstat (limited to 'libs/hwui/Texture.cpp')
| -rw-r--r-- | libs/hwui/Texture.cpp | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp deleted file mode 100644 index 1e90eebe3bb8..000000000000 --- a/libs/hwui/Texture.cpp +++ /dev/null @@ -1,413 +0,0 @@ -/* - * 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 |