skia2/tests/IntTextureTest.cpp
Brian Osman 24429c68c5 Move GrTextureProvider to src
With this hidden, we can make further simplification. Just want to test
this change against our external clients first, to make sure we're okay
to proceed.

BUG=skia:

Change-Id: I47f8c8f2912201c2890bc2f9a9d68aa92649a2d4
Reviewed-on: https://skia-review.googlesource.com/9072
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-03-01 19:20:05 +00:00

266 lines
11 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrRenderTargetContext.h"
#include "GrTexture.h"
#include "GrTextureProvider.h"
#include "effects/GrSimpleTextureEffect.h"
template <typename I>
static SK_WHEN(std::is_integral<I>::value && 4 == sizeof(I), void)
check_pixels(skiatest::Reporter* reporter, int w, int h, const I exepctedData[],
const I actualData[], const char* testName) {
for (int j = 0; j < h; ++j) {
for (int i = 0; i < w; ++i) {
I expected = exepctedData[j * w + i];
I actual = actualData[j * w + i];
if (expected != actual) {
ERRORF(reporter, "[%s] Expected 0x08%x, got 0x%08x at %d, %d.", testName, expected,
actual, i, j);
return;
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(IntTexture, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
if (!context->caps()->isConfigTexturable(kRGBA_8888_sint_GrPixelConfig)) {
return;
}
static const int kS = UINT8_MAX + 1;
static const size_t kRowBytes = kS * sizeof(int32_t);
GrSurfaceDesc desc;
desc.fConfig = kRGBA_8888_sint_GrPixelConfig;
desc.fWidth = kS;
desc.fHeight = kS;
std::unique_ptr<int32_t[]> testData(new int32_t[kS * kS]);
for (int j = 0; j < kS; ++j) {
for (int i = 0; i < kS; ++i) {
uint32_t r = i - INT8_MIN;
uint32_t g = j - INT8_MIN;
uint32_t b = INT8_MAX - r;
uint32_t a = INT8_MAX - g;
testData.get()[j * kS + i] = (a << 24) | (b << 16) | (g << 8) | r;
}
}
// Test that attempting to create a integer texture with multiple MIP levels fails.
{
GrMipLevel levels[2];
levels[0].fPixels = testData.get();
levels[0].fRowBytes = kRowBytes;
levels[1].fPixels = testData.get();
levels[1].fRowBytes = (kS / 2) * sizeof(int32_t);
sk_sp<GrTexture> temp(context->textureProvider()->createMipMappedTexture(desc,
SkBudgeted::kYes,
levels, 2));
REPORTER_ASSERT(reporter, !temp);
}
// Test that we can create an integer texture.
sk_sp<GrSurfaceProxy> proxy = GrSurfaceProxy::MakeDeferred(*context->caps(),
context->textureProvider(),
desc, SkBudgeted::kYes,
testData.get(),
kRowBytes);
REPORTER_ASSERT(reporter, proxy);
if (!proxy || !proxy->asTextureProxy()) {
return;
}
GrTexture* texture = proxy->asTextureProxy()->instantiate(context->textureProvider());
REPORTER_ASSERT(reporter, texture);
if (!texture) {
return;
}
std::unique_ptr<int32_t[]> readData(new int32_t[kS * kS]);
// Test that reading to a non-integer config fails.
{
bool success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_GrPixelConfig, readData.get());
REPORTER_ASSERT(reporter, !success);
}
{
std::unique_ptr<uint16_t[]> halfData(new uint16_t[4 * kS * kS]);
bool success = texture->readPixels(0, 0, kS, kS, kRGBA_half_GrPixelConfig, halfData.get());
REPORTER_ASSERT(reporter, !success);
}
{
// Can read back as ints. (ES only requires being able to read back into 32bit ints which
// we don't support. Right now this test is counting on GR_RGBA_INTEGER/GL_BYTE being the
// implementation-dependent second format).
sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
bool success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig,
readData.get());
REPORTER_ASSERT(reporter, success);
if (success) {
check_pixels(reporter, kS, kS, testData.get(), readData.get(), "readPixels");
}
}
{
// readPixels should fail if we attempt to use the unpremul flag with an integer texture.
bool success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig,
readData.get(), 0, GrContext::kUnpremul_PixelOpsFlag);
REPORTER_ASSERT(reporter, !success);
}
// Test that copying from one integer texture to another succeeds.
{
sk_sp<GrSurfaceContext> dstContext(GrSurfaceProxy::TestCopy(context, desc,
proxy.get()));
REPORTER_ASSERT(reporter, dstContext);
if (!dstContext || !dstContext->asTextureProxy()) {
return;
}
GrSurface* copySurface = dstContext->asTextureProxy()->instantiate(
context->textureProvider());
REPORTER_ASSERT(reporter, copySurface);
if (!copySurface) {
return;
}
sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
bool success = copySurface->readPixels(0, 0, kS, kS,
kRGBA_8888_sint_GrPixelConfig, readData.get());
REPORTER_ASSERT(reporter, success);
if (success) {
check_pixels(reporter, kS, kS, testData.get(), readData.get(), "copyIntegerToInteger");
}
}
// Test that copying to a non-integer (8888) texture fails.
{
GrSurfaceDesc nonIntDesc = desc;
nonIntDesc.fConfig = kRGBA_8888_GrPixelConfig;
sk_sp<GrSurfaceContext> dstContext(GrSurfaceProxy::TestCopy(context, nonIntDesc,
proxy.get()));
REPORTER_ASSERT(reporter, !dstContext);
}
// Test that copying to a non-integer (RGBA_half) texture fails.
if (context->caps()->isConfigTexturable(kRGBA_half_GrPixelConfig)) {
GrSurfaceDesc nonIntDesc = desc;
nonIntDesc.fConfig = kRGBA_half_GrPixelConfig;
sk_sp<GrSurfaceContext> dstContext(GrSurfaceProxy::TestCopy(context, nonIntDesc,
proxy.get()));
REPORTER_ASSERT(reporter, !dstContext);
}
// We overwrite the top left quarter of the texture with the bottom right quarter of the
// original data.
const void* bottomRightQuarter = testData.get() + kS / 2 * kS + kS / 2;
{
// Can't write pixels from a non-int config.
bool success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_GrPixelConfig,
bottomRightQuarter, kRowBytes);
REPORTER_ASSERT(reporter, !success);
}
{
// Can't use unpremul flag.
bool success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_sint_GrPixelConfig,
bottomRightQuarter, kRowBytes,
GrContext::kUnpremul_PixelOpsFlag);
REPORTER_ASSERT(reporter, !success);
}
{
bool success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_sint_GrPixelConfig,
bottomRightQuarter, kRowBytes);
REPORTER_ASSERT(reporter, success);
if (!success) {
return;
}
sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, readData.get());
REPORTER_ASSERT(reporter, success);
if (!success) {
return;
}
std::unique_ptr<int32_t[]> overwrittenTestData(new int32_t[kS * kS]);
memcpy(overwrittenTestData.get(), testData.get(), sizeof(int32_t) * kS * kS);
char* dst = (char*)overwrittenTestData.get();
char* src = (char*)(testData.get() + kS/2 * kS + kS/2);
for (int i = 0; i < kS/2; ++i) {
memcpy(dst, src, sizeof(int32_t) * kS/2);
dst += kRowBytes;
src += kRowBytes;
}
check_pixels(reporter, kS, kS, overwrittenTestData.get(), readData.get(), "overwrite");
}
// Test drawing from the integer texture to a fixed point texture. To avoid any premul issues
// we init the int texture with 0s and 1s and make alpha always be 1. We expect that 1s turn
// into 0xffs and zeros stay zero.
std::unique_ptr<uint32_t[]> expectedData(new uint32_t[kS * kS]);
std::unique_ptr<uint32_t[]> actualData(new uint32_t[kS * kS]);
for (int i = 0; i < kS*kS; ++i) {
int32_t a = 0x1;
int32_t b = ((i & 0x1) ? 1 : 0);
int32_t g = ((i & 0x1) ? 0 : 1);
int32_t r = ((i & 0x2) ? 1 : 0);
testData.get()[i] = (a << 24) | (b << 16) | (g << 8) | r;
expectedData.get()[i] = ((0xFF * a) << 24) | ((0xFF * b) << 16) |
((0xFF * g) << 8) | (0xFF * r);
}
texture->writePixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, testData.get());
sk_sp<GrRenderTargetContext> rtContext = context->makeRenderTargetContext(
SkBackingFit::kExact, kS, kS, kRGBA_8888_GrPixelConfig, nullptr);
struct {
GrSamplerParams::FilterMode fMode;
const char* fName;
} kNamedFilters[] ={
{ GrSamplerParams::kNone_FilterMode, "filter-none" },
{ GrSamplerParams::kBilerp_FilterMode, "filter-bilerp" },
{ GrSamplerParams::kMipMap_FilterMode, "filter-mipmap" }
};
for (auto filter : kNamedFilters) {
sk_sp<GrFragmentProcessor> fp(GrSimpleTextureEffect::Make(texture, nullptr,
SkMatrix::I(),
filter.fMode));
REPORTER_ASSERT(reporter, fp);
if (!fp) {
return;
}
rtContext->clear(nullptr, 0xDDAABBCC, true);
GrPaint paint;
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
paint.addColorFragmentProcessor(fp);
rtContext->drawPaint(GrNoClip(), std::move(paint), SkMatrix::I());
SkImageInfo readInfo = SkImageInfo::Make(kS, kS, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
rtContext->readPixels(readInfo, actualData.get(), 0, 0, 0);
check_pixels(reporter, kS, kS, expectedData.get(), actualData.get(), filter.fName);
}
{
// No rendering to integer textures.
GrSurfaceDesc intRTDesc = desc;
intRTDesc.fFlags = kRenderTarget_GrSurfaceFlag;
sk_sp<GrTexture> temp(context->textureProvider()->createTexture(intRTDesc,
SkBudgeted::kYes));
REPORTER_ASSERT(reporter, !temp);
}
}
#endif