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skia2/tests/BackendAllocationTest.cpp
Robert Phillips 9a30ee09b0 Add BGR_10A2 support to Ganesh (take 2) 
This is no different from the first try but a Chrome-side bug fix has landed:

https://chromium-review.googlesource.com/c/chromium/src/+/2173388 (Map RGBA/BGRA_1010102 to their correct SkColorType equivalents)

TBR=bsalomon@google.com
Bug: 1068416
Change-Id: Ic6ee758b0f0537d83262b0d708f9b7b15a4cb1c7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/286036
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2020-04-30 15:25:20 +00:00

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/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkCanvas.h"
#include "include/core/SkSurface.h"
#include "include/core/SkSurfaceCharacterization.h"
#include "include/gpu/GrContext.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/gpu/GrContextPriv.h"
#include "src/image/SkImage_Base.h"
#include "tests/Test.h"
#include "tests/TestUtils.h"
#include "tools/ToolUtils.h"
#ifdef SK_GL
#include "src/gpu/gl/GrGLCaps.h"
#include "src/gpu/gl/GrGLDefines.h"
#include "src/gpu/gl/GrGLGpu.h"
#include "src/gpu/gl/GrGLUtil.h"
#endif
#ifdef SK_METAL
#include "include/gpu/mtl/GrMtlTypes.h"
#include "src/gpu/mtl/GrMtlCppUtil.h"
#endif
// Test wrapping of GrBackendObjects in SkSurfaces and SkImages (non-static since used in Mtl test)
void test_wrapping(GrContext* context, skiatest::Reporter* reporter,
std::function<GrBackendTexture (GrContext*,
GrMipMapped,
GrRenderable)> create,
GrColorType grColorType, GrMipMapped mipMapped, GrRenderable renderable) {
GrResourceCache* cache = context->priv().getResourceCache();
const int initialCount = cache->getResourceCount();
GrBackendTexture backendTex = create(context, mipMapped, renderable);
if (!backendTex.isValid()) {
ERRORF(reporter, "Couldn't create backendTexture for grColorType %d renderable %s\n",
grColorType,
GrRenderable::kYes == renderable ? "yes" : "no");
return;
}
// Skia proper should know nothing about the new backend object
REPORTER_ASSERT(reporter, initialCount == cache->getResourceCount());
SkColorType skColorType = GrColorTypeToSkColorType(grColorType);
// Wrapping a backendTexture in an image requires an SkColorType
if (kUnknown_SkColorType == skColorType) {
context->deleteBackendTexture(backendTex);
return;
}
if (GrRenderable::kYes == renderable && context->colorTypeSupportedAsSurface(skColorType)) {
sk_sp<SkSurface> surf = SkSurface::MakeFromBackendTexture(context,
backendTex,
kTopLeft_GrSurfaceOrigin,
0,
skColorType,
nullptr, nullptr);
if (!surf) {
ERRORF(reporter, "Couldn't make surface from backendTexture for %s\n",
ToolUtils::colortype_name(skColorType));
} else {
REPORTER_ASSERT(reporter, initialCount+1 == cache->getResourceCount());
}
}
{
sk_sp<SkImage> img = SkImage::MakeFromTexture(context,
backendTex,
kTopLeft_GrSurfaceOrigin,
skColorType,
kPremul_SkAlphaType,
nullptr);
if (!img) {
ERRORF(reporter, "Couldn't make image from backendTexture for %s\n",
ToolUtils::colortype_name(skColorType));
} else {
SkImage_Base* ib = as_IB(img);
GrTextureProxy* proxy = ib->peekProxy();
REPORTER_ASSERT(reporter, proxy);
REPORTER_ASSERT(reporter, mipMapped == proxy->proxyMipMapped());
REPORTER_ASSERT(reporter, proxy->isInstantiated());
REPORTER_ASSERT(reporter, mipMapped == proxy->mipMapped());
REPORTER_ASSERT(reporter, initialCount+1 == cache->getResourceCount());
}
}
REPORTER_ASSERT(reporter, initialCount == cache->getResourceCount());
context->deleteBackendTexture(backendTex);
}
static bool isBGRA8(const GrBackendFormat& format) {
switch (format.backend()) {
case GrBackendApi::kOpenGL:
#ifdef SK_GL
return format.asGLFormat() == GrGLFormat::kBGRA8;
#else
return false;
#endif
case GrBackendApi::kVulkan: {
#ifdef SK_VULKAN
VkFormat vkFormat;
format.asVkFormat(&vkFormat);
return vkFormat == VK_FORMAT_B8G8R8A8_UNORM;
#else
return false;
#endif
}
case GrBackendApi::kMetal:
#ifdef SK_METAL
return GrMtlFormatIsBGRA8(format.asMtlFormat());
#else
return false;
#endif
case GrBackendApi::kDirect3D:
#ifdef SK_DIRECT3D
return false; // TODO
#else
return false;
#endif
case GrBackendApi::kDawn:
return false;
case GrBackendApi::kMock: {
SkImage::CompressionType compression = format.asMockCompressionType();
if (compression != SkImage::CompressionType::kNone) {
return false; // No compressed formats are BGRA
}
return format.asMockColorType() == GrColorType::kBGRA_8888;
}
}
SkUNREACHABLE;
}
static bool isRGB(const GrBackendFormat& format) {
switch (format.backend()) {
case GrBackendApi::kOpenGL:
#ifdef SK_GL
return format.asGLFormat() == GrGLFormat::kRGB8;
#else
return false;
#endif
case GrBackendApi::kVulkan: {
#ifdef SK_VULKAN
VkFormat vkFormat;
format.asVkFormat(&vkFormat);
return vkFormat == VK_FORMAT_R8G8B8_UNORM;
#else
return false;
#endif
}
case GrBackendApi::kMetal:
return false; // Metal doesn't even pretend to support this
case GrBackendApi::kDirect3D:
return false; // Not supported in Direct3D 12
case GrBackendApi::kDawn:
return false;
case GrBackendApi::kMock:
return false; // No GrColorType::kRGB_888
}
SkUNREACHABLE;
}
static void check_solid_pixmap(skiatest::Reporter* reporter,
const SkColor4f& expected, const SkPixmap& actual,
SkColorType ct, const char* label1, const char* label2) {
// we need 0.001f across the board just for noise
// we need 0.01f across the board for 1010102
const float tols[4] = { 0.01f, 0.01f, 0.01f, 0.01f };
auto error = std::function<ComparePixmapsErrorReporter>(
[reporter, ct, label1, label2](int x, int y, const float diffs[4]) {
SkASSERT(x >= 0 && y >= 0);
ERRORF(reporter, "%s %s %s - mismatch at %d, %d (%f, %f, %f %f)",
ToolUtils::colortype_name(ct), label1, label2, x, y,
diffs[0], diffs[1], diffs[2], diffs[3]);
});
CheckSolidPixels(expected, actual, tols, error);
}
// What would raster do?
static SkColor4f get_expected_color(SkColor4f orig, SkColorType ct) {
SkAlphaType at = SkColorTypeIsAlwaysOpaque(ct) ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
SkImageInfo ii = SkImageInfo::Make(2, 2, ct, at);
SkAutoPixmapStorage pm;
pm.alloc(ii);
pm.erase(orig);
SkColor tmp = pm.getColor(0, 0);
return SkColor4f::FromColor(tmp);
}
static void check_mipmaps(GrContext* context, const GrBackendTexture& backendTex,
SkColorType skColorType, const SkColor4f expectedColors[6],
skiatest::Reporter* reporter, const char* label);
static void check_base_readbacks(GrContext* context, const GrBackendTexture& backendTex,
SkColorType skColorType, GrRenderable renderable,
const SkColor4f& color, skiatest::Reporter* reporter,
const char* label) {
if (isRGB(backendTex.getBackendFormat())) {
// readPixels is busted for the RGB backend format (skbug.com/8862)
// TODO: add a GrColorType::kRGB_888 to fix the situation
return;
}
SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
SkColor4f expectedColor = get_expected_color(color, skColorType);
SkAutoPixmapStorage actual;
{
SkImageInfo readBackII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType,
kUnpremul_SkAlphaType);
SkAssertResult(actual.tryAlloc(readBackII));
}
{
sk_sp<SkImage> img = SkImage::MakeFromTexture(context,
backendTex,
kTopLeft_GrSurfaceOrigin,
skColorType,
at,
nullptr);
if (img) {
actual.erase(SkColors::kTransparent);
bool result = img->readPixels(actual, 0, 0);
if (!result) {
// TODO: we need a better way to tell a priori if readPixels will work for an
// arbitrary colorType
#if 0
ERRORF(reporter, "Couldn't readback from SkImage for colorType: %d\n", colorType);
#endif
} else {
check_solid_pixmap(reporter, expectedColor, actual, skColorType,
label, "SkImage::readPixels");
}
}
}
// This will mark any mipmaps as dirty (bc that is what we do when we wrap a renderable
// backend texture) so it must be done last!
if (GrRenderable::kYes == renderable && context->colorTypeSupportedAsSurface(skColorType)) {
sk_sp<SkSurface> surf = SkSurface::MakeFromBackendTexture(context,
backendTex,
kTopLeft_GrSurfaceOrigin,
0,
skColorType,
nullptr, nullptr);
if (surf) {
actual.erase(SkColors::kTransparent);
bool result = surf->readPixels(actual, 0, 0);
REPORTER_ASSERT(reporter, result);
check_solid_pixmap(reporter, expectedColor, actual, skColorType,
label, "SkSurface::readPixels");
}
}
}
// Test initialization of GrBackendObjects to a specific color (non-static since used in Mtl test)
void test_color_init(GrContext* context, skiatest::Reporter* reporter,
std::function<GrBackendTexture (GrContext*,
const SkColor4f&,
GrMipMapped,
GrRenderable)> create,
GrColorType grColorType, const SkColor4f& color,
GrMipMapped mipMapped, GrRenderable renderable) {
GrBackendTexture backendTex = create(context, color, mipMapped, renderable);
if (!backendTex.isValid()) {
// errors here should be reported by the test_wrapping test
return;
}
SkColorType skColorType = GrColorTypeToSkColorType(grColorType);
// Can't wrap backend textures in images and surfaces w/o an SkColorType
if (kUnknown_SkColorType == skColorType) {
// TODO: burrow in and scrappily check that data was uploaded!
context->deleteBackendTexture(backendTex);
return;
}
if (mipMapped == GrMipMapped::kYes) {
SkColor4f expectedColor = get_expected_color(color, skColorType);
SkColor4f expectedColors[6] = { expectedColor, expectedColor, expectedColor,
expectedColor, expectedColor, expectedColor };
check_mipmaps(context, backendTex, skColorType, expectedColors, reporter, "colorinit");
}
// The last step in this test will dirty the mipmaps so do it last
check_base_readbacks(context, backendTex, skColorType, renderable, color,
reporter, "colorinit");
context->deleteBackendTexture(backendTex);
}
// Draw the backend texture (wrapped in an SkImage) into an RGBA surface, attempting to access
// all the mipMap levels.
static void check_mipmaps(GrContext* context, const GrBackendTexture& backendTex,
SkColorType skColorType, const SkColor4f expectedColors[6],
skiatest::Reporter* reporter, const char* label) {
#ifdef SK_GL
// skbug.com/9141 (RGBA_F32 mipmaps appear to be broken on some Mali devices)
if (GrBackendApi::kOpenGL == context->backend()) {
GrGLGpu* glGPU = static_cast<GrGLGpu*>(context->priv().getGpu());
if (kRGBA_F32_SkColorType == skColorType &&
kGLES_GrGLStandard == glGPU->ctxInfo().standard()) {
return;
}
}
#endif
if (isRGB(backendTex.getBackendFormat())) {
// readPixels is busted for the RGB backend format (skbug.com/8862)
// TODO: add a GrColorType::kRGB_888 to fix the situation
return;
}
SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
sk_sp<SkImage> img = SkImage::MakeFromTexture(context,
backendTex,
kTopLeft_GrSurfaceOrigin,
skColorType,
at,
nullptr);
if (!img) {
return;
}
SkImageInfo readbackSurfaceII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(context,
SkBudgeted::kNo,
readbackSurfaceII, 1,
kTopLeft_GrSurfaceOrigin,
nullptr);
if (!surf) {
return;
}
SkCanvas* canvas = surf->getCanvas();
SkPaint p;
p.setFilterQuality(kHigh_SkFilterQuality);
int numMipLevels = 6;
for (int i = 0, rectSize = 32; i < numMipLevels; ++i, rectSize /= 2) {
SkASSERT(rectSize >= 1);
SkRect r = SkRect::MakeWH(rectSize, rectSize);
canvas->clear(SK_ColorTRANSPARENT);
canvas->drawImageRect(img, r, &p);
SkImageInfo readbackII = SkImageInfo::Make(rectSize, rectSize,
kRGBA_8888_SkColorType,
kUnpremul_SkAlphaType);
SkAutoPixmapStorage actual2;
SkAssertResult(actual2.tryAlloc(readbackII));
actual2.erase(SkColors::kTransparent);
bool result = surf->readPixels(actual2, 0, 0);
REPORTER_ASSERT(reporter, result);
SkString str;
str.appendf("mip-level %d", i);
check_solid_pixmap(reporter, expectedColors[i], actual2, skColorType,
label, str.c_str());
}
}
static int make_pixmaps(SkColorType skColorType, GrMipMapped mipMapped,
const SkColor4f colors[6], SkAutoPixmapStorage pixmaps[6]) {
int levelSize = 32;
int numMipLevels = mipMapped == GrMipMapped::kYes ? 6 : 1;
SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
for (int level = 0; level < numMipLevels; ++level) {
SkImageInfo ii = SkImageInfo::Make(levelSize, levelSize, skColorType, at);
pixmaps[level].alloc(ii);
pixmaps[level].erase(colors[level]);
levelSize /= 2;
}
return numMipLevels;
}
// Test initialization of GrBackendObjects using SkPixmaps
static void test_pixmap_init(GrContext* context, skiatest::Reporter* reporter,
std::function<GrBackendTexture (GrContext*,
const SkPixmap srcData[],
int numLevels,
GrRenderable)> create,
SkColorType skColorType, GrMipMapped mipMapped,
GrRenderable renderable) {
SkAutoPixmapStorage pixmapMem[6];
SkColor4f colors[6] = {
{ 1.0f, 0.0f, 0.0f, 1.0f }, // R
{ 0.0f, 1.0f, 0.0f, 0.9f }, // G
{ 0.0f, 0.0f, 1.0f, 0.7f }, // B
{ 0.0f, 1.0f, 1.0f, 0.5f }, // C
{ 1.0f, 0.0f, 1.0f, 0.3f }, // M
{ 1.0f, 1.0f, 0.0f, 0.2f }, // Y
};
int numMipLevels = make_pixmaps(skColorType, mipMapped, colors, pixmapMem);
SkASSERT(numMipLevels);
// TODO: this is tedious. Should we pass in an array of SkBitmaps instead?
SkPixmap pixmaps[6];
for (int i = 0; i < numMipLevels; ++i) {
pixmaps[i].reset(pixmapMem[i].info(), pixmapMem[i].addr(), pixmapMem[i].rowBytes());
}
GrBackendTexture backendTex = create(context, pixmaps, numMipLevels, renderable);
if (!backendTex.isValid()) {
// errors here should be reported by the test_wrapping test
return;
}
if (skColorType == kBGRA_8888_SkColorType && !isBGRA8(backendTex.getBackendFormat())) {
// When kBGRA is backed by an RGBA something goes wrong in the swizzling
return;
}
if (mipMapped == GrMipMapped::kYes) {
SkColor4f expectedColors[6] = {
get_expected_color(colors[0], skColorType),
get_expected_color(colors[1], skColorType),
get_expected_color(colors[2], skColorType),
get_expected_color(colors[3], skColorType),
get_expected_color(colors[4], skColorType),
get_expected_color(colors[5], skColorType),
};
check_mipmaps(context, backendTex, skColorType, expectedColors, reporter, "pixmap");
}
// The last step in this test will dirty the mipmaps so do it last
check_base_readbacks(context, backendTex, skColorType, renderable, colors[0],
reporter, "pixmap");
context->deleteBackendTexture(backendTex);
}
enum class VkLayout {
kUndefined,
kReadOnlyOptimal,
kColorAttachmentOptimal
};
void check_vk_layout(const GrBackendTexture& backendTex, VkLayout layout) {
#if defined(SK_VULKAN) && defined(SK_DEBUG)
VkImageLayout expected;
switch (layout) {
case VkLayout::kUndefined:
expected = VK_IMAGE_LAYOUT_UNDEFINED;
break;
case VkLayout::kReadOnlyOptimal:
expected = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
break;
case VkLayout::kColorAttachmentOptimal:
expected = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
break;
default:
SkUNREACHABLE;
}
GrVkImageInfo vkII;
if (backendTex.getVkImageInfo(&vkII)) {
SkASSERT(expected == vkII.fImageLayout);
SkASSERT(VK_IMAGE_TILING_OPTIMAL == vkII.fImageTiling);
}
#endif
}
///////////////////////////////////////////////////////////////////////////////
// This test is a bit different from the others in this file. It is mainly checking that, for any
// SkSurface we can create in Ganesh, we can also create a backend texture that is compatible with
// its characterization and then create a new surface that wraps that backend texture.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CharacterizationBackendAllocationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
for (int ct = 0; ct <= kLastEnum_SkColorType; ++ct) {
SkColorType colorType = static_cast<SkColorType>(ct);
SkImageInfo ii = SkImageInfo::Make(32, 32, colorType, kPremul_SkAlphaType);
for (auto origin : { kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin } ) {
for (bool mipMaps : { true, false } ) {
for (int sampleCount : {1, 2}) {
SkSurfaceCharacterization c;
// Get a characterization, if possible
{
sk_sp<SkSurface> s = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo,
ii, sampleCount,
origin, nullptr, mipMaps);
if (!s) {
continue;
}
if (!s->characterize(&c)) {
continue;
}
REPORTER_ASSERT(reporter, s->isCompatible(c));
}
// Test out uninitialized path
{
GrBackendTexture backendTex = context->createBackendTexture(c);
check_vk_layout(backendTex, VkLayout::kUndefined);
REPORTER_ASSERT(reporter, backendTex.isValid());
REPORTER_ASSERT(reporter, c.isCompatible(backendTex));
{
GrBackendFormat format = context->defaultBackendFormat(
c.imageInfo().colorType(),
GrRenderable::kYes);
REPORTER_ASSERT(reporter, format == backendTex.getBackendFormat());
}
sk_sp<SkSurface> s2 = SkSurface::MakeFromBackendTexture(context, c,
backendTex);
REPORTER_ASSERT(reporter, s2);
REPORTER_ASSERT(reporter, s2->isCompatible(c));
s2 = nullptr;
context->deleteBackendTexture(backendTex);
}
// Test out color-initialized path
{
GrBackendTexture backendTex = context->createBackendTexture(c,
SkColors::kRed);
check_vk_layout(backendTex, VkLayout::kColorAttachmentOptimal);
REPORTER_ASSERT(reporter, backendTex.isValid());
REPORTER_ASSERT(reporter, c.isCompatible(backendTex));
{
GrBackendFormat format = context->defaultBackendFormat(
c.imageInfo().colorType(),
GrRenderable::kYes);
REPORTER_ASSERT(reporter, format == backendTex.getBackendFormat());
}
sk_sp<SkSurface> s2 = SkSurface::MakeFromBackendTexture(context, c,
backendTex);
REPORTER_ASSERT(reporter, s2);
REPORTER_ASSERT(reporter, s2->isCompatible(c));
s2 = nullptr;
context->deleteBackendTexture(backendTex);
}
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ColorTypeBackendAllocationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
const GrCaps* caps = context->priv().caps();
constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f };
constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f };
struct {
SkColorType fColorType;
SkColor4f fColor;
} combinations[] = {
{ kAlpha_8_SkColorType, kTransCol },
{ kRGB_565_SkColorType, SkColors::kRed },
{ kARGB_4444_SkColorType, SkColors::kGreen },
{ kRGBA_8888_SkColorType, SkColors::kBlue },
{ kRGB_888x_SkColorType, SkColors::kCyan },
// TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul)
{ kBGRA_8888_SkColorType, { 1, 0, 0, 1.0f } },
// TODO: readback is busted for *10A2 when alpha = 0.5f (perhaps premul vs. unpremul)
{ kRGBA_1010102_SkColorType, { 0.25f, 0.5f, 0.75f, 1.0f }},
{ kBGRA_1010102_SkColorType, { 0.25f, 0.5f, 0.75f, 1.0f }},
// RGB/BGR 101010x have no Ganesh correlate
{ kRGB_101010x_SkColorType, { 0, 0.5f, 0, 0.5f } },
{ kBGR_101010x_SkColorType, { 0, 0.5f, 0, 0.5f } },
{ kGray_8_SkColorType, kGrayCol },
{ kRGBA_F16Norm_SkColorType, SkColors::kLtGray },
{ kRGBA_F16_SkColorType, SkColors::kYellow },
{ kRGBA_F32_SkColorType, SkColors::kGray },
{ kR8G8_unorm_SkColorType, { .25f, .75f, 0, 1 } },
{ kR16G16_unorm_SkColorType, SkColors::kGreen },
{ kA16_unorm_SkColorType, kTransCol },
{ kA16_float_SkColorType, kTransCol },
{ kR16G16_float_SkColorType, { .25f, .75f, 0, 1 } },
{ kR16G16B16A16_unorm_SkColorType,{ .25f, .5f, .75f, 1 } },
};
static_assert(kLastEnum_SkColorType == SK_ARRAY_COUNT(combinations));
for (auto combo : combinations) {
SkColorType colorType = combo.fColorType;
if (GrBackendApi::kMetal == context->backend()) {
// skbug.com/9086 (Metal caps may not be handling RGBA32 correctly)
if (kRGBA_F32_SkColorType == combo.fColorType) {
continue;
}
}
for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) {
if (GrMipMapped::kYes == mipMapped && !caps->mipMapSupport()) {
continue;
}
for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) {
if (!caps->getDefaultBackendFormat(SkColorTypeToGrColorType(colorType),
renderable).isValid()) {
continue;
}
if (GrRenderable::kYes == renderable) {
if (kRGB_888x_SkColorType == combo.fColorType) {
// Ganesh can't perform the blends correctly when rendering this format
continue;
}
}
{
auto uninitCreateMtd = [colorType](GrContext* context,
GrMipMapped mipMapped,
GrRenderable renderable) {
auto result = context->createBackendTexture(32, 32, colorType,
mipMapped, renderable,
GrProtected::kNo);
check_vk_layout(result, VkLayout::kUndefined);
#ifdef SK_DEBUG
{
GrBackendFormat format = context->defaultBackendFormat(colorType,
renderable);
SkASSERT(format == result.getBackendFormat());
}
#endif
return result;
};
test_wrapping(context, reporter, uninitCreateMtd,
SkColorTypeToGrColorType(colorType), mipMapped, renderable);
}
{
auto createWithColorMtd = [colorType](GrContext* context,
const SkColor4f& color,
GrMipMapped mipMapped,
GrRenderable renderable) {
auto result = context->createBackendTexture(32, 32, colorType, color,
mipMapped, renderable,
GrProtected::kNo);
check_vk_layout(result, GrRenderable::kYes == renderable
? VkLayout::kColorAttachmentOptimal
: VkLayout::kReadOnlyOptimal);
#ifdef SK_DEBUG
{
GrBackendFormat format = context->defaultBackendFormat(colorType,
renderable);
SkASSERT(format == result.getBackendFormat());
}
#endif
return result;
};
// We make our comparison color using SkPixmap::erase(color) on a pixmap of
// combo.fColorType and then calling SkPixmap::readPixels(). erase() will premul
// the color passed to it. However, createBackendTexture() that takes a
// SkColor4f is color type / alpha type unaware and will simply compute
// luminance from the r, g, b, channels.
SkColor4f color = combo.fColor;
if (colorType == kGray_8_SkColorType) {
color = {color.fR * color.fA,
color.fG * color.fA,
color.fB * color.fA,
1.f};
}
test_color_init(context, reporter, createWithColorMtd,
SkColorTypeToGrColorType(colorType), color, mipMapped,
renderable);
}
{
auto createWithSrcDataMtd = [](GrContext* context,
const SkPixmap srcData[],
int numLevels,
GrRenderable renderable) {
SkASSERT(srcData && numLevels);
auto result = context->createBackendTexture(srcData, numLevels, renderable,
GrProtected::kNo);
check_vk_layout(result, VkLayout::kReadOnlyOptimal);
#ifdef SK_DEBUG
{
auto format = context->defaultBackendFormat(srcData[0].colorType(),
renderable);
SkASSERT(format == result.getBackendFormat());
}
#endif
return result;
};
test_pixmap_init(context, reporter, createWithSrcDataMtd, colorType, mipMapped,
renderable);
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
#ifdef SK_GL
DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(GLBackendAllocationTest, reporter, ctxInfo) {
sk_gpu_test::GLTestContext* glCtx = ctxInfo.glContext();
GrGLStandard standard = glCtx->gl()->fStandard;
GrContext* context = ctxInfo.grContext();
const GrGLCaps* glCaps = static_cast<const GrGLCaps*>(context->priv().caps());
constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f };
constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f };
struct {
GrColorType fColorType;
GrGLenum fFormat;
SkColor4f fColor;
} combinations[] = {
{ GrColorType::kRGBA_8888, GR_GL_RGBA8, SkColors::kRed },
{ GrColorType::kRGBA_8888_SRGB, GR_GL_SRGB8_ALPHA8, SkColors::kRed },
{ GrColorType::kRGB_888x, GR_GL_RGBA8, SkColors::kYellow },
{ GrColorType::kRGB_888x, GR_GL_RGB8, SkColors::kCyan },
{ GrColorType::kBGRA_8888, GR_GL_RGBA8, SkColors::kBlue },
{ GrColorType::kBGRA_8888, GR_GL_BGRA8, SkColors::kBlue },
// TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul)
{ GrColorType::kRGBA_1010102, GR_GL_RGB10_A2, { 0.25f, 0.5f, 0.75f, 1.f }},
{ GrColorType::kBGRA_1010102, GR_GL_RGB10_A2, { 0.25f, 0.5f, 0.75f, 1.f }},
{ GrColorType::kBGR_565, GR_GL_RGB565, SkColors::kRed },
{ GrColorType::kABGR_4444, GR_GL_RGBA4, SkColors::kGreen },
{ GrColorType::kAlpha_8, GR_GL_ALPHA8, kTransCol },
{ GrColorType::kAlpha_8, GR_GL_R8, kTransCol },
{ GrColorType::kGray_8, GR_GL_LUMINANCE8, kGrayCol },
{ GrColorType::kGray_8, GR_GL_R8, kGrayCol },
{ GrColorType::kRGBA_F32, GR_GL_RGBA32F, SkColors::kRed },
{ GrColorType::kRGBA_F16_Clamped, GR_GL_RGBA16F, SkColors::kLtGray },
{ GrColorType::kRGBA_F16, GR_GL_RGBA16F, SkColors::kYellow },
{ GrColorType::kRG_88, GR_GL_RG8, { 1, 0.5f, 0, 1 } },
{ GrColorType::kAlpha_F16, GR_GL_R16F, { 1.0f, 0, 0, 0.5f } },
{ GrColorType::kAlpha_F16, GR_GL_LUMINANCE16F, kGrayCol },
{ GrColorType::kAlpha_16, GR_GL_R16, kTransCol },
{ GrColorType::kRG_1616, GR_GL_RG16, SkColors::kYellow },
{ GrColorType::kRGBA_16161616, GR_GL_RGBA16, SkColors::kLtGray },
{ GrColorType::kRG_F16, GR_GL_RG16F, SkColors::kYellow },
};
for (auto combo : combinations) {
GrBackendFormat format = GrBackendFormat::MakeGL(combo.fFormat, GR_GL_TEXTURE_2D);
if (!glCaps->isFormatTexturable(format)) {
continue;
}
if (GrColorType::kBGRA_8888 == combo.fColorType ||
GrColorType::kBGRA_1010102 == combo.fColorType) {
// We allow using a GL_RGBA8 or GR_GL_RGB10_A2 texture as BGRA on desktop GL but not ES
if (kGL_GrGLStandard != standard &&
(GR_GL_RGBA8 == combo.fFormat || GR_GL_RGB10_A2 == combo.fFormat)) {
continue;
}
}
for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) {
if (GrMipMapped::kYes == mipMapped && !glCaps->mipMapSupport()) {
continue;
}
for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) {
if (GrRenderable::kYes == renderable) {
if (!glCaps->isFormatAsColorTypeRenderable(combo.fColorType, format)) {
continue;
}
}
{
auto uninitCreateMtd = [format](GrContext* context,
GrMipMapped mipMapped,
GrRenderable renderable) {
return context->createBackendTexture(32, 32, format,
mipMapped, renderable,
GrProtected::kNo);
};
test_wrapping(context, reporter, uninitCreateMtd,
combo.fColorType, mipMapped, renderable);
}
{
// We're creating backend textures without specifying a color type "view" of
// them at the public API level. Therefore, Ganesh will not apply any swizzles
// before writing the color to the texture. However, our validation code does
// rely on interpreting the texture contents via a SkColorType and therefore
// swizzles may be applied during the read step.
// Ideally we'd update our validation code to use a "raw" read that doesn't
// impose a color type but for now we just munge the data we upload to match the
// expectation.
GrSwizzle swizzle;
switch (combo.fColorType) {
case GrColorType::kAlpha_8:
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_16:
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_F16:
swizzle = GrSwizzle("aaaa");
break;
default:
break;
}
auto createWithColorMtd = [format, swizzle](GrContext* context,
const SkColor4f& color,
GrMipMapped mipMapped,
GrRenderable renderable) {
auto swizzledColor = swizzle.applyTo(color);
return context->createBackendTexture(32, 32, format, swizzledColor,
mipMapped, renderable,
GrProtected::kNo);
};
// We make our comparison color using SkPixmap::erase(color) on a pixmap of
// combo.fColorType and then calling SkPixmap::readPixels(). erase() will premul
// the color passed to it. However, createBackendTexture() that takes a
// SkColor4f is color type/alpha type unaware and will simply compute luminance
//from the r, g, b, channels.
SkColor4f color = combo.fColor;
if (combo.fColorType == GrColorType::kGray_8) {
color = {color.fR * color.fA,
color.fG * color.fA,
color.fB * color.fA,
1.f};
}
test_color_init(context, reporter, createWithColorMtd, combo.fColorType, color,
mipMapped, renderable);
}
}
}
}
}
#endif
///////////////////////////////////////////////////////////////////////////////
#ifdef SK_VULKAN
#include "src/gpu/vk/GrVkCaps.h"
DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkBackendAllocationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
const GrVkCaps* vkCaps = static_cast<const GrVkCaps*>(context->priv().caps());
constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f };
constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 1 };
struct {
GrColorType fColorType;
VkFormat fFormat;
SkColor4f fColor;
} combinations[] = {
{ GrColorType::kRGBA_8888, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kRed },
{ GrColorType::kRGBA_8888_SRGB, VK_FORMAT_R8G8B8A8_SRGB, SkColors::kRed },
// In this configuration (i.e., an RGB_888x colortype with an RGBA8 backing format),
// there is nothing to tell Skia to make the provided color opaque. Clients will need
// to provide an opaque initialization color in this case.
{ GrColorType::kRGB_888x, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kYellow },
{ GrColorType::kRGB_888x, VK_FORMAT_R8G8B8_UNORM, SkColors::kCyan },
{ GrColorType::kBGRA_8888, VK_FORMAT_B8G8R8A8_UNORM, SkColors::kBlue },
{ GrColorType::kRGBA_1010102, VK_FORMAT_A2B10G10R10_UNORM_PACK32,
{ 0.25f, 0.5f, 0.75f, 1.0f }},
{ GrColorType::kBGRA_1010102, VK_FORMAT_A2R10G10B10_UNORM_PACK32,
{ 0.25f, 0.5f, 0.75f, 1.0f }},
{ GrColorType::kBGR_565, VK_FORMAT_R5G6B5_UNORM_PACK16, SkColors::kRed },
{ GrColorType::kABGR_4444, VK_FORMAT_R4G4B4A4_UNORM_PACK16, SkColors::kCyan },
{ GrColorType::kABGR_4444, VK_FORMAT_B4G4R4A4_UNORM_PACK16, SkColors::kYellow },
{ GrColorType::kAlpha_8, VK_FORMAT_R8_UNORM, kTransCol },
// In this config (i.e., a Gray8 color type with an R8 backing format), there is nothing
// to tell Skia this isn't an Alpha8 color type (so it will initialize the texture with
// the alpha channel of the color). Clients should, in general, fill all the channels
// of the provided color with the same value in such cases.
{ GrColorType::kGray_8, VK_FORMAT_R8_UNORM, kGrayCol },
{ GrColorType::kRGBA_F16_Clamped, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kLtGray },
{ GrColorType::kRGBA_F16, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kYellow },
{ GrColorType::kRG_88, VK_FORMAT_R8G8_UNORM, { 1, 0.5f, 0, 1 } },
{ GrColorType::kAlpha_F16, VK_FORMAT_R16_SFLOAT, { 1.0f, 0, 0, 0.5f }},
{ GrColorType::kAlpha_16, VK_FORMAT_R16_UNORM, kTransCol },
{ GrColorType::kRG_1616, VK_FORMAT_R16G16_UNORM, SkColors::kYellow },
{ GrColorType::kRGBA_16161616, VK_FORMAT_R16G16B16A16_UNORM, SkColors::kLtGray },
{ GrColorType::kRG_F16, VK_FORMAT_R16G16_SFLOAT, SkColors::kYellow },
};
for (auto combo : combinations) {
if (!vkCaps->isVkFormatTexturable(combo.fFormat)) {
continue;
}
GrBackendFormat format = GrBackendFormat::MakeVk(combo.fFormat);
for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) {
if (GrMipMapped::kYes == mipMapped && !vkCaps->mipMapSupport()) {
continue;
}
for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) {
if (GrRenderable::kYes == renderable) {
// We must also check whether we allow rendering to the format using the
// color type.
if (!vkCaps->isFormatAsColorTypeRenderable(
combo.fColorType, GrBackendFormat::MakeVk(combo.fFormat), 1)) {
continue;
}
}
{
auto uninitCreateMtd = [format](GrContext* context,
GrMipMapped mipMapped,
GrRenderable renderable) {
GrBackendTexture beTex = context->createBackendTexture(32, 32, format,
mipMapped,
renderable,
GrProtected::kNo);
check_vk_layout(beTex, VkLayout::kUndefined);
return beTex;
};
test_wrapping(context, reporter, uninitCreateMtd,
combo.fColorType, mipMapped, renderable);
}
{
// We're creating backend textures without specifying a color type "view" of
// them at the public API level. Therefore, Ganesh will not apply any swizzles
// before writing the color to the texture. However, our validation code does
// rely on interpreting the texture contents via a SkColorType and therefore
// swizzles may be applied during the read step.
// Ideally we'd update our validation code to use a "raw" read that doesn't
// impose a color type but for now we just munge the data we upload to match the
// expectation.
GrSwizzle swizzle;
switch (combo.fColorType) {
case GrColorType::kAlpha_8:
SkASSERT(combo.fFormat == VK_FORMAT_R8_UNORM);
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_16:
SkASSERT(combo.fFormat == VK_FORMAT_R16_UNORM);
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_F16:
SkASSERT(combo.fFormat == VK_FORMAT_R16_SFLOAT);
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kABGR_4444:
if (combo.fFormat == VK_FORMAT_B4G4R4A4_UNORM_PACK16) {
swizzle = GrSwizzle("bgra");
}
break;
default:
swizzle = GrSwizzle("rgba");
break;
}
auto createWithColorMtd = [format, swizzle](GrContext* context,
const SkColor4f& color,
GrMipMapped mipMapped,
GrRenderable renderable) {
auto swizzledColor = swizzle.applyTo(color);
GrBackendTexture beTex = context->createBackendTexture(32, 32, format,
swizzledColor,
mipMapped,
renderable,
GrProtected::kNo);
check_vk_layout(beTex, GrRenderable::kYes == renderable
? VkLayout::kColorAttachmentOptimal
: VkLayout::kReadOnlyOptimal);
return beTex;
};
test_color_init(context, reporter, createWithColorMtd,
combo.fColorType, combo.fColor, mipMapped, renderable);
}
}
}
}
}
#endif
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