Revert "Revert "New read pixels implementation that is simpler but does all conversions on CPU.""

This reverts commit be5947c2f3.

Bug: skia:
Change-Id: I06dc15b31042d7827511d0ac2a7f4262c3f09622
Reviewed-on: https://skia-review.googlesource.com/115079
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
This commit is contained in:
Brian Salomon 2018-03-19 16:06:44 -04:00 committed by Skia Commit-Bot
parent 56dc04bdc1
commit 19eaf2dbe7
18 changed files with 347 additions and 35 deletions

View File

@ -186,7 +186,15 @@ public:
* If this returns false then the caller should implement a fallback where a temporary texture
* is created, pixels are written to it, and then that is copied or drawn into the the surface.
*/
virtual bool surfaceSupportsWritePixels(const GrSurface* surface) const = 0;
virtual bool surfaceSupportsWritePixels(const GrSurface*) const = 0;
/**
* Backends may have restrictions on what types of surfaces support GrGpu::readPixels().
* If this returns false then the caller should implement a fallback where a temporary texture
* is created, the surface is drawn or copied into the temporary, and pixels are read from the
* temporary.
*/
virtual bool surfaceSupportsReadPixels(const GrSurface*) const = 0;
/**
* Given a dst pixel config and a src color type what color type must the caller coax the
@ -197,6 +205,15 @@ public:
return GrPixelConfigToColorType(config);
}
/**
* Given a src pixel config and a dst color type what color type must the caller read to using
* GrGpu::readPixels() and then coax into dstColorType.
*/
virtual GrColorType supportedReadPixelsColorType(GrPixelConfig config,
GrColorType /*dstColorType*/) const {
return GrPixelConfigToColorType(config);
}
bool suppressPrints() const { return fSuppressPrints; }
size_t bufferMapThreshold() const {

View File

@ -282,6 +282,10 @@
"gm",
"_",
"dftext_blob_persp",
"gltestthreading",
"gm",
"_",
"orientation",
"_",
"svg",
"_",

View File

@ -279,6 +279,10 @@
"gm",
"_",
"dftext_blob_persp",
"gltestthreading",
"gm",
"_",
"orientation",
"_",
"svg",
"_",

View File

@ -279,6 +279,10 @@
"gm",
"_",
"dftext_blob_persp",
"gltestthreading",
"gm",
"_",
"orientation",
"_",
"svg",
"_",

View File

@ -282,6 +282,10 @@
"gm",
"_",
"dftext_blob_persp",
"gltestthreading",
"gm",
"_",
"orientation",
"_",
"svg",
"_",

View File

@ -178,6 +178,8 @@ def dm_flags(api, bot):
blacklist('gltestthreading gm _ savelayer_with_backdrop')
blacklist('gltestthreading gm _ persp_shaders_bw')
blacklist('gltestthreading gm _ dftext_blob_persp')
# skbug.com/7523 - Flaky on various GPUs
blacklist('gltestthreading gm _ orientation')
# The following devices do not support glessrgb.
if 'glessrgb' in configs:

View File

@ -184,6 +184,30 @@ static void convert_to_alpha8(uint8_t* dst, size_t dstRB, const SkImageInfo& src
}
break;
}
case kRGBA_1010102_SkColorType: {
auto src32 = (const uint32_t*) src;
for (int y = 0; y < srcInfo.height(); y++) {
for (int x = 0; x < srcInfo.width(); x++) {
switch (src32[x] >> 30) {
case 0:
dst[x] = 0;
break;
case 1:
dst[x] = 0x55;
break;
case 2:
dst[x] = 0xAA;
break;
case 3:
dst[x] = 0xFF;
break;
}
}
dst = SkTAddOffset<uint8_t>(dst, dstRB);
src32 = SkTAddOffset<const uint32_t>(src32, srcRB);
}
break;
}
case kARGB_4444_SkColorType: {
auto src16 = (const uint16_t*) src;
for (int y = 0; y < srcInfo.height(); y++) {
@ -225,9 +249,20 @@ static void convert_with_pipeline(const SkImageInfo& dstInfo, void* dstRow, size
case kRGBA_8888_SkColorType:
pipeline.append(SkRasterPipeline::load_8888, &src);
break;
case kRGB_888x_SkColorType:
pipeline.append(SkRasterPipeline::load_8888, &src);
pipeline.append(SkRasterPipeline::force_opaque);
break;
case kBGRA_8888_SkColorType:
pipeline.append(SkRasterPipeline::load_bgra, &src);
break;
case kRGBA_1010102_SkColorType:
pipeline.append(SkRasterPipeline::load_1010102, &src);
break;
case kRGB_101010x_SkColorType:
pipeline.append(SkRasterPipeline::load_1010102, &src);
pipeline.append(SkRasterPipeline::force_opaque);
break;
case kRGB_565_SkColorType:
pipeline.append(SkRasterPipeline::load_565, &src);
break;
@ -325,9 +360,20 @@ static void convert_with_pipeline(const SkImageInfo& dstInfo, void* dstRow, size
case kRGBA_8888_SkColorType:
pipeline.append(SkRasterPipeline::store_8888, &dst);
break;
case kRGB_888x_SkColorType:
pipeline.append(SkRasterPipeline::force_opaque);
pipeline.append(SkRasterPipeline::store_8888, &dst);
break;
case kBGRA_8888_SkColorType:
pipeline.append(SkRasterPipeline::store_bgra, &dst);
break;
case kRGBA_1010102_SkColorType:
pipeline.append(SkRasterPipeline::store_1010102, &dst);
break;
case kRGB_101010x_SkColorType:
pipeline.append(SkRasterPipeline::force_opaque);
pipeline.append(SkRasterPipeline::store_1010102, &dst);
break;
case kRGB_565_SkColorType:
pipeline.append(SkRasterPipeline::store_565, &dst);
break;
@ -345,6 +391,16 @@ static void convert_with_pipeline(const SkImageInfo& dstInfo, void* dstRow, size
pipeline.run(0,0, srcInfo.width(), srcInfo.height());
}
static bool swizzle_and_multiply_color_type(SkColorType ct) {
switch (ct) {
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType:
return true;
default:
return false;
}
}
void SkConvertPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRB,
const SkImageInfo& srcInfo, const void* srcPixels, size_t srcRB,
SkColorTable* ctable, SkTransferFunctionBehavior behavior) {
@ -361,7 +417,8 @@ void SkConvertPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRB,
SkASSERT(srcInfo.colorSpace() || !isColorAware);
// Fast Path 2: Simple swizzles and premuls.
if (4 == srcInfo.bytesPerPixel() && 4 == dstInfo.bytesPerPixel() && !isColorAware) {
if (swizzle_and_multiply_color_type(srcInfo.colorType()) &&
swizzle_and_multiply_color_type(dstInfo.colorType()) && !isColorAware) {
swizzle_and_multiply(dstInfo, dstPixels, dstRB, srcInfo, srcPixels, srcRB);
return;
}

View File

@ -26,6 +26,7 @@
#include "GrTextureContext.h"
#include "GrTextureStripAtlas.h"
#include "GrTracing.h"
#include "SkAutoPixmapStorage.h"
#include "SkConvertPixels.h"
#include "SkDeferredDisplayList.h"
#include "SkGr.h"
@ -611,6 +612,10 @@ bool GrContextPriv::readSurfacePixels(GrSurfaceContext* src, int left, int top,
int height, GrColorType dstColorType,
SkColorSpace* dstColorSpace, void* buffer, size_t rowBytes,
uint32_t flags) {
#ifndef SK_LEGACY_GPU_PIXEL_OPS
return this->readSurfacePixels2(src, left, top, width, height, dstColorType, dstColorSpace,
buffer, rowBytes, flags);
#endif
// TODO: Color space conversion
ASSERT_SINGLE_OWNER_PRIV
@ -618,6 +623,10 @@ bool GrContextPriv::readSurfacePixels(GrSurfaceContext* src, int left, int top,
SkASSERT(src);
ASSERT_OWNED_PROXY_PRIV(src->asSurfaceProxy());
GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "readSurfacePixels", fContext);
SkASSERT(!(flags & kDontFlush_PixelOpsFlag));
if (flags & kDontFlush_PixelOpsFlag) {
return false;
}
// MDB TODO: delay this instantiation until later in the method
if (!src->asSurfaceProxy()->instantiate(this->resourceProvider())) {
@ -667,7 +676,7 @@ bool GrContextPriv::readSurfacePixels(GrSurfaceContext* src, int left, int top,
return false;
}
if (!(kDontFlush_PixelOpsFlag & flags) && srcSurface->surfacePriv().hasPendingWrite()) {
if (srcSurface->surfacePriv().hasPendingWrite()) {
this->flush(nullptr); // MDB TODO: tighten this
}
@ -799,6 +808,12 @@ bool GrContextPriv::writeSurfacePixels2(GrSurfaceContext* dst, int left, int top
}
if (!fContext->caps()->surfaceSupportsWritePixels(dstSurface)) {
// We don't expect callers that are skipping flushes to require an intermediate draw.
SkASSERT(!(pixelOpsFlags & kDontFlush_PixelOpsFlag));
if (pixelOpsFlags & kDontFlush_PixelOpsFlag) {
return false;
}
GrSurfaceDesc desc;
desc.fConfig = dstProxy->config();
desc.fWidth = width;
@ -871,7 +886,7 @@ bool GrContextPriv::writeSurfacePixels2(GrSurfaceContext* dst, int left, int top
memcpy(tempSrc.writable_addr(0, y), tempSrc.addr(0, height - 1 - y), rowBytes);
memcpy(tempSrc.writable_addr(0, height - 1 - y), row.get(), rowBytes);
}
top = dstProxy->height() - top - height;
top = dstSurface->height() - top - height;
}
} else if (dstProxy->origin() == kBottomLeft_GrSurfaceOrigin) {
size_t trimRowBytes = GrColorTypeBytesPerPixel(srcColorType) * width;
@ -883,7 +898,7 @@ bool GrContextPriv::writeSurfacePixels2(GrSurfaceContext* dst, int left, int top
}
buffer = tempBuffer.get();
rowBytes = trimRowBytes;
top = dstProxy->height() - top - height;
top = dstSurface->height() - top - height;
}
if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && dstSurface->surfacePriv().hasPendingIO()) {
@ -894,6 +909,136 @@ bool GrContextPriv::writeSurfacePixels2(GrSurfaceContext* dst, int left, int top
rowBytes);
}
bool GrContextPriv::readSurfacePixels2(GrSurfaceContext* src, int left, int top, int width,
int height, GrColorType dstColorType,
SkColorSpace* dstColorSpace, void* buffer, size_t rowBytes,
uint32_t flags) {
SkASSERT(!(flags & kDontFlush_PixelOpsFlag));
if (flags & kDontFlush_PixelOpsFlag){
return false;
}
ASSERT_SINGLE_OWNER_PRIV
RETURN_FALSE_IF_ABANDONED_PRIV
SkASSERT(src);
SkASSERT(buffer);
ASSERT_OWNED_PROXY_PRIV(src->asSurfaceProxy());
GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "readSurfacePixels2", fContext);
// MDB TODO: delay this instantiation until later in the method
if (!src->asSurfaceProxy()->instantiate(this->resourceProvider())) {
return false;
}
GrSurfaceProxy* srcProxy = src->asSurfaceProxy();
GrSurface* srcSurface = srcProxy->priv().peekSurface();
if (!GrSurfacePriv::AdjustReadPixelParams(srcSurface->width(), srcSurface->height(),
GrColorTypeBytesPerPixel(dstColorType), &left, &top,
&width, &height, &buffer, &rowBytes)) {
return false;
}
// TODO: Make GrSurfaceContext know its alpha type and pass dst buffer's alpha type.
bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags);
bool convert = unpremul;
if (!valid_pixel_conversion(dstColorType, srcProxy->config(), unpremul)) {
return false;
}
if (!fContext->caps()->surfaceSupportsReadPixels(srcSurface)) {
GrSurfaceDesc desc;
desc.fConfig = srcProxy->config();
desc.fWidth = width;
desc.fHeight = height;
desc.fSampleCnt = 1;
auto tempProxy = this->proxyProvider()->createProxy(
desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kApprox, SkBudgeted::kYes);
if (!tempProxy) {
return false;
}
auto tempCtx = this->drawingManager()->makeTextureContext(
tempProxy, src->colorSpaceInfo().refColorSpace());
if (!tempCtx) {
return false;
}
if (!tempCtx->copy(srcProxy, {left, top, width, height}, {0, 0})) {
return false;
}
return this->readSurfacePixels2(tempCtx.get(), 0, 0, width, height, dstColorType,
dstColorSpace, buffer, rowBytes, flags);
}
bool flip = srcProxy->origin() == kBottomLeft_GrSurfaceOrigin;
if (flip) {
top = srcSurface->height() - top - height;
}
GrColorType allowedColorType =
fContext->caps()->supportedReadPixelsColorType(srcProxy->config(), dstColorType);
convert = convert || (dstColorType != allowedColorType);
if (!src->colorSpaceInfo().colorSpace()) {
// "Legacy" mode - no color space conversions.
dstColorSpace = nullptr;
}
convert = convert || !SkColorSpace::Equals(dstColorSpace, src->colorSpaceInfo().colorSpace());
SkAutoPixmapStorage tempPixmap;
SkPixmap finalPixmap;
if (convert) {
SkColorType srcSkColorType = GrColorTypeToSkColorType(allowedColorType);
SkColorType dstSkColorType = GrColorTypeToSkColorType(dstColorType);
if (kUnknown_SkColorType == srcSkColorType || kUnknown_SkColorType == dstSkColorType) {
return false;
}
auto tempAT = SkColorTypeIsAlwaysOpaque(srcSkColorType) ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
auto tempII = SkImageInfo::Make(width, height, srcSkColorType, tempAT,
src->colorSpaceInfo().refColorSpace());
SkASSERT(!unpremul || !SkColorTypeIsAlwaysOpaque(dstSkColorType));
auto finalAT = SkColorTypeIsAlwaysOpaque(srcSkColorType)
? kOpaque_SkAlphaType
: unpremul ? kUnpremul_SkAlphaType : kPremul_SkAlphaType;
auto finalII =
SkImageInfo::Make(width, height, dstSkColorType, finalAT, sk_ref_sp(dstColorSpace));
if (!SkImageInfoValidConversion(finalII, tempII)) {
return false;
}
tempPixmap.alloc(tempII);
finalPixmap.reset(finalII, buffer, rowBytes);
buffer = tempPixmap.writable_addr();
rowBytes = tempPixmap.rowBytes();
}
if (srcSurface->surfacePriv().hasPendingWrite()) {
this->flush(nullptr); // MDB TODO: tighten this
}
if (!fContext->fGpu->readPixels(srcSurface, left, top, width, height, allowedColorType, buffer,
rowBytes)) {
return false;
}
if (flip) {
size_t trimRowBytes = GrColorTypeBytesPerPixel(allowedColorType) * width;
std::unique_ptr<char[]> row(new char[trimRowBytes]);
char* upper = reinterpret_cast<char*>(buffer);
char* lower = reinterpret_cast<char*>(buffer) + (height - 1) * rowBytes;
for (int y = 0; y < height / 2; ++y, upper += rowBytes, lower -= rowBytes) {
memcpy(row.get(), upper, trimRowBytes);
memcpy(upper, lower, trimRowBytes);
memcpy(lower, row.get(), trimRowBytes);
}
}
if (convert) {
if (!tempPixmap.readPixels(finalPixmap)) {
return false;
}
}
return true;
}
void GrContextPriv::prepareSurfaceForExternalIO(GrSurfaceProxy* proxy) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV

View File

@ -128,13 +128,16 @@ public:
};
/**
* Reads a rectangle of pixels from a surface.
* Reads a rectangle of pixels from a surface. There are currently two versions of this.
* readSurfacePixels() is the older version which will be replaced by the more robust and
* maintainable (but perhaps slower) readSurfacePixels2().
*
* @param src the surface context to read from.
* @param left left edge of the rectangle to read (inclusive)
* @param top top edge of the rectangle to read (inclusive)
* @param width width of rectangle to read in pixels.
* @param height height of rectangle to read in pixels.
* @param dstConfig the pixel config of the destination buffer
* @param dstColorType the color type of the destination buffer
* @param dstColorSpace color space of the destination buffer
* @param buffer memory to read the rectangle into.
* @param rowBytes number of bytes bewtween consecutive rows. Zero means rows are tightly
@ -147,6 +150,9 @@ public:
bool readSurfacePixels(GrSurfaceContext* src, int left, int top, int width, int height,
GrColorType dstColorType, SkColorSpace* dstColorSpace, void* buffer,
size_t rowBytes = 0, uint32_t pixelOpsFlags = 0);
bool readSurfacePixels2(GrSurfaceContext* src, int left, int top, int width, int height,
GrColorType dstColorType, SkColorSpace* dstColorSpace, void* buffer,
size_t rowBytes = 0, uint32_t pixelOpsFlags = 0);
/**
* Writes a rectangle of pixels to a surface. There are currently two versions of this.

View File

@ -272,6 +272,15 @@ public:
*/
bool readPixels(GrSurface* surface, GrSurfaceOrigin, int left, int top, int width, int height,
GrColorType dstColorType, void* buffer, size_t rowBytes);
/**
* This version of readPixels doesn't take an origin. TODO: Remove origin handling from
* GrGpu::readPixels entirely.
*/
bool readPixels(GrSurface* surface, int left, int top, int width, int height,
GrColorType dstColorType, void* buffer, size_t rowBytes) {
return this->readPixels(surface, kTopLeft_GrSurfaceOrigin, left, top, width, height,
dstColorType, buffer, rowBytes);
}
/**
* Updates the pixels in a rectangle of a surface. No sRGB/linear conversions are performed.

View File

@ -890,11 +890,6 @@ bool GrGLCaps::readPixelsSupported(GrPixelConfig surfaceConfig,
return true;
}
break;
case kInteger_FormatType:
if (GR_GL_RGBA_INTEGER == readFormat && GR_GL_INT == readType) {
return true;
}
break;
case kFloat_FormatType:
if (GR_GL_RGBA == readFormat && GR_GL_FLOAT == readType) {
return true;
@ -1226,7 +1221,8 @@ bool GrGLCaps::getExternalFormat(GrPixelConfig surfaceConfig, GrPixelConfig memo
bool memoryIsAlphaOnly = GrPixelConfigIsAlphaOnly(memoryConfig);
// We don't currently support moving RGBA data into and out of ALPHA surfaces. It could be
// made to work in many cases using glPixelStore and what not but is not needed currently.
// made to work. However, this is complicated by the use of GL_RED for alpha-only textures but
// is not needed currently.
if (surfaceIsAlphaOnly && !memoryIsAlphaOnly) {
return false;
}
@ -2449,8 +2445,7 @@ bool GrGLCaps::surfaceSupportsWritePixels(const GrSurface* surface) const {
return false;
}
}
}
if (auto rt = surface->asRenderTarget()) {
} if (auto rt = surface->asRenderTarget()) {
if (fUseDrawInsteadOfAllRenderTargetWrites) {
return false;
}
@ -2462,6 +2457,44 @@ bool GrGLCaps::surfaceSupportsWritePixels(const GrSurface* surface) const {
return true;
}
bool GrGLCaps::surfaceSupportsReadPixels(const GrSurface* surface) const {
if (auto tex = static_cast<const GrGLTexture*>(surface->asTexture())) {
// We don't support reading pixels directly from EXTERNAL textures as it would require
// binding the texture to a FBO.
if (tex->target() == GR_GL_TEXTURE_EXTERNAL) {
return false;
}
}
return true;
}
GrColorType GrGLCaps::supportedReadPixelsColorType(GrPixelConfig config,
GrColorType dstColorType) const {
// For now, we mostly report the read back format that is required by the ES spec without
// checking for implementation allowed formats or consider laxer rules in non-ES GL. TODO: Relax
// this as makes sense to increase performance and correctness.
switch (fConfigTable[config].fFormatType) {
case kNormalizedFixedPoint_FormatType:
return GrColorType::kRGBA_8888;
case kFloat_FormatType:
// We cheat a little here and allow F16 read back if the src and dst match.
if (kRGBA_half_GrPixelConfig == config && GrColorType::kRGBA_F16 == dstColorType) {
return GrColorType::kRGBA_F16;
}
if ((kAlpha_half_GrPixelConfig == config ||
kAlpha_half_as_Red_GrPixelConfig == config) &&
GrColorType::kAlpha_F16 == dstColorType) {
return GrColorType::kAlpha_F16;
}
// And similar for full float RG.
if (kRG_float_GrPixelConfig == config && GrColorType::kRG_F32 == dstColorType) {
return GrColorType::kRG_F32;
}
return GrColorType::kRGBA_F32;
}
return GrColorType::kUnknown;
}
bool GrGLCaps::onIsWindowRectanglesSupportedForRT(const GrBackendRenderTarget& backendRT) const {
const GrGLFramebufferInfo* fbInfo = backendRT.getGLFramebufferInfo();
SkASSERT(fbInfo);

View File

@ -316,7 +316,9 @@ public:
/// Use indices or vertices in CPU arrays rather than VBOs for dynamic content.
bool useNonVBOVertexAndIndexDynamicData() const { return fUseNonVBOVertexAndIndexDynamicData; }
bool surfaceSupportsWritePixels(const GrSurface* surface) const override;
bool surfaceSupportsWritePixels(const GrSurface*) const override;
bool surfaceSupportsReadPixels(const GrSurface*) const override;
GrColorType supportedReadPixelsColorType(GrPixelConfig, GrColorType) const override;
/// Does ReadPixels support reading readConfig pixels from a FBO that is surfaceConfig?
bool readPixelsSupported(GrPixelConfig surfaceConfig,
@ -503,7 +505,6 @@ private:
enum FormatType {
kNormalizedFixedPoint_FormatType,
kFloat_FormatType,
kInteger_FormatType,
};
struct ReadPixelsFormat {

View File

@ -67,7 +67,8 @@ public:
return 0;
}
bool surfaceSupportsWritePixels(const GrSurface* surface) const override { return true; }
bool surfaceSupportsWritePixels(const GrSurface*) const override { return true; }
bool surfaceSupportsReadPixels(const GrSurface*) const override { return true; }
bool initDescForDstCopy(const GrRenderTargetProxy* src, GrSurfaceDesc* desc, GrSurfaceOrigin*,
bool* rectsMustMatch, bool* disallowSubrect) const override {

View File

@ -31,7 +31,8 @@ public:
int getRenderTargetSampleCount(int requestedCount, GrPixelConfig) const override;
int maxRenderTargetSampleCount(GrPixelConfig) const override;
bool surfaceSupportsWritePixels(const GrSurface* surface) const override { return true; }
bool surfaceSupportsWritePixels(const GrSurface*) const override { return true; }
bool surfaceSupportsReadPixels(const GrSurface*) const override { return true; }
bool isConfigCopyable(GrPixelConfig config) const override {
return true;

View File

@ -40,7 +40,8 @@ public:
int getRenderTargetSampleCount(int requestedCount, GrPixelConfig config) const override;
int maxRenderTargetSampleCount(GrPixelConfig config) const override;
bool surfaceSupportsWritePixels(const GrSurface* surface) const override;
bool surfaceSupportsWritePixels(const GrSurface*) const override;
bool surfaceSupportsReadPixels(const GrSurface*) const override { return true; }
bool isConfigTexturableLinearly(GrPixelConfig config) const {
return SkToBool(ConfigInfo::kTextureable_Flag & fConfigTable[config].fLinearFlags);

View File

@ -97,7 +97,7 @@ static void check_565(skiatest::Reporter* reporter,
}
static void run_test(skiatest::Reporter* reporter, GrContext* context, int arraySize,
GrColorType colorType) {
SkColorType colorType) {
SkTDArray<uint16_t> controlPixelData;
// We will read back into an 8888 buffer since 565/4444 read backs aren't supported
SkTDArray<GrColor> readBuffer;
@ -113,19 +113,24 @@ static void run_test(skiatest::Reporter* reporter, GrContext* context, int array
kRGBA_8888_SkColorType, kOpaque_SkAlphaType);
for (auto origin : { kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin }) {
auto proxy = sk_gpu_test::MakeTextureProxyFromData(context, false, DEV_W, DEV_H, colorType,
auto proxy = sk_gpu_test::MakeTextureProxyFromData(context, false, DEV_W, DEV_H,
SkColorTypeToGrColorType(colorType),
origin, controlPixelData.begin(), 0);
SkASSERT(proxy);
sk_sp<GrSurfaceContext> sContext = context->contextPriv().makeWrappedSurfaceContext(
std::move(proxy));
SkAssertResult(sContext->readPixels(dstInfo, readBuffer.begin(), 0, 0, 0));
if (!sContext->readPixels(dstInfo, readBuffer.begin(), 0, 0, 0)) {
// We only require this to succeed if the format is renderable.
REPORTER_ASSERT(reporter, !context->colorTypeSupportedAsSurface(colorType));
return;
}
if (GrColorType::kABGR_4444 == colorType) {
if (kARGB_4444_SkColorType == colorType) {
check_4444(reporter, controlPixelData, readBuffer);
} else {
SkASSERT(GrColorType::kRGB_565 == colorType);
SkASSERT(kRGB_565_SkColorType == colorType);
check_565(reporter, controlPixelData, readBuffer);
}
}
@ -134,11 +139,11 @@ static void run_test(skiatest::Reporter* reporter, GrContext* context, int array
static const int CONTROL_ARRAY_SIZE = DEV_W * DEV_H;
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RGBA4444TextureTest, reporter, ctxInfo) {
run_test(reporter, ctxInfo.grContext(), CONTROL_ARRAY_SIZE, GrColorType::kABGR_4444);
run_test(reporter, ctxInfo.grContext(), CONTROL_ARRAY_SIZE, kARGB_4444_SkColorType);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RGB565TextureTest, reporter, ctxInfo) {
run_test(reporter, ctxInfo.grContext(), CONTROL_ARRAY_SIZE, GrColorType::kRGB_565);
run_test(reporter, ctxInfo.grContext(), CONTROL_ARRAY_SIZE, kRGB_565_SkColorType);
}
#endif

View File

@ -99,6 +99,11 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadWriteAlpha, reporter, ctxInfo) {
// read the texture back
result = sContext->readPixels(ii, readback.get(), rowBytes, 0, 0);
// We don't require reading from kAlpha_8 to be supported. TODO: At least make this work
// when kAlpha_8 is renderable.
if (!result) {
continue;
}
REPORTER_ASSERT(reporter, result, "Initial A8 readPixels failed");
// make sure the original & read back versions match

View File

@ -139,8 +139,8 @@ void read_and_check_pixels(skiatest::Reporter* reporter, GrSurfaceContext* conte
uint32_t read = readData[j * w + i];
if (!checker(orig, read, error)) {
ERRORF(reporter, "Expected 0x%08x, read back as 0x%08x in %s at %d, %d).",
orig, read, subtestName, i, j);
ERRORF(reporter, "Original 0x%08x, read back as 0x%08x in %s at %d, %d).", orig,
read, subtestName, i, j);
return;
}
}
@ -272,13 +272,20 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SRGBReadWritePixels, reporter, ctxInfo) {
///////////////////////////////////////////////////////////////////////////////////////////////
// Write sRGB data to a sRGB context - no conversion on the write.
// back to sRGB no conversion
// back to sRGB - no conversion.
test_write_read(Encoding::kSRGB, Encoding::kSRGB, Encoding::kSRGB, smallError,
check_no_conversion, context, reporter);
#ifdef SK_LEGACY_GPU_PIXEL_OPS
// Untagged read from sRGB is treated as a conversion back to linear. TODO: Fail or don't
// convert?
test_write_read(Encoding::kSRGB, Encoding::kSRGB, Encoding::kUntagged, error,
check_srgb_to_linear_conversion, context, reporter);
#else
// Reading back to untagged should be a pass through with no conversion.
test_write_read(Encoding::kSRGB, Encoding::kSRGB, Encoding::kUntagged, error,
check_no_conversion, context, reporter);
#endif
// Converts back to linear
test_write_read(Encoding::kSRGB, Encoding::kSRGB, Encoding::kLinear, error,
check_srgb_to_linear_conversion, context, reporter);
@ -307,9 +314,15 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SRGBReadWritePixels, reporter, ctxInfo) {
// are all the same as the above cases where the original data was untagged.
test_write_read(Encoding::kSRGB, Encoding::kLinear, Encoding::kSRGB, error,
check_linear_to_srgb_conversion, context, reporter);
#ifdef SK_LEGACY_GPU_PIXEL_OPS
// TODO: Fail or don't convert?
test_write_read(Encoding::kSRGB, Encoding::kLinear, Encoding::kUntagged, error,
check_linear_to_srgb_to_linear_conversion, context, reporter);
#else
// When the dst buffer is untagged there should be no conversion on the read.
test_write_read(Encoding::kSRGB, Encoding::kLinear, Encoding::kUntagged, error,
check_linear_to_srgb_conversion, context, reporter);
#endif
test_write_read(Encoding::kSRGB, Encoding::kLinear, Encoding::kLinear, error,
check_linear_to_srgb_to_linear_conversion, context, reporter);
@ -317,13 +330,13 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SRGBReadWritePixels, reporter, ctxInfo) {
// Write data to an untagged context. The write does no conversion no matter what encoding the
// src data has.
for (auto writeEncoding : {Encoding::kSRGB, Encoding::kUntagged, Encoding::kLinear}) {
// The read from untagged to sRGB also does no conversion. TODO: Should it just fail?
// The read from untagged to sRGB also does no conversion.
test_write_read(Encoding::kUntagged, writeEncoding, Encoding::kSRGB, error,
check_no_conversion, context, reporter);
// Reading untagged back as untagged should do no conversion.
test_write_read(Encoding::kUntagged, writeEncoding, Encoding::kUntagged, error,
check_no_conversion, context, reporter);
// Reading untagged back as linear does no conversion. TODO: Should it just fail?
// Reading untagged back as linear does no conversion.
test_write_read(Encoding::kUntagged, writeEncoding, Encoding::kLinear, error,
check_no_conversion, context, reporter);
}
@ -334,18 +347,18 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SRGBReadWritePixels, reporter, ctxInfo) {
// converts back to sRGB on read.
test_write_read(Encoding::kLinear, Encoding::kSRGB, Encoding::kSRGB, error,
check_srgb_to_linear_to_srgb_conversion, context, reporter);
// Reading untagged data from linear currently does no conversion. TODO: Should it fail?
// Reading untagged data from linear currently does no conversion.
test_write_read(Encoding::kLinear, Encoding::kSRGB, Encoding::kUntagged, error,
check_srgb_to_linear_conversion, context, reporter);
// Stays linear when read.
test_write_read(Encoding::kLinear, Encoding::kSRGB, Encoding::kLinear, error,
check_srgb_to_linear_conversion, context, reporter);
#ifdef SK_LEGACY_GPU_PIXEL_OPS
///////////////////////////////////////////////////////////////////////////////////////////////
// Write untagged data to a linear context. Currently does no conversion. TODO: Should this
// fail?
#ifdef SK_LEGACY_GPU_PIXEL_OPS
// Reading to sRGB does a conversion.
test_write_read(Encoding::kLinear, Encoding::kUntagged, Encoding::kSRGB, error,
check_linear_to_srgb_conversion, context, reporter);
@ -366,7 +379,7 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SRGBReadWritePixels, reporter, ctxInfo) {
// Reading to sRGB does a conversion.
test_write_read(Encoding::kLinear, Encoding::kLinear, Encoding::kSRGB, error,
check_linear_to_srgb_conversion, context, reporter);
// Reading to untagged does no conversion. TODO: Should it fail?
// Reading to untagged does no conversion.
test_write_read(Encoding::kLinear, Encoding::kLinear, Encoding::kUntagged, error,
check_no_conversion, context, reporter);
// Stays linear when read.