4493a9dc9d
The idea here is that the GrCoordTransform will actually hold a GrTextureProxy (rather than a GrTexture) and then, in GrGLSLPrimitiveProcessor::GetTransformMatrix, use the instantiated width & height (when uploading the transform matrix) Change-Id: Ibac3a540fcb1967ceef571157d41c1937acfadf8 Reviewed-on: https://skia-review.googlesource.com/6977 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
236 lines
9.7 KiB
C++
236 lines
9.7 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrRenderTargetContext.h"
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#include "GrTexture.h"
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#include "effects/GrSimpleTextureEffect.h"
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template <typename I>
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static SK_WHEN(std::is_integral<I>::value && 4 == sizeof(I), void)
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check_pixels(skiatest::Reporter* reporter, int w, int h, const I exepctedData[],
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const I actualData[], const char* testName) {
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for (int j = 0; j < h; ++j) {
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for (int i = 0; i < w; ++i) {
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I expected = exepctedData[j * w + i];
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I actual = actualData[j * w + i];
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if (expected != actual) {
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ERRORF(reporter, "[%s] Expected 0x08%x, got 0x%08x at %d, %d.", testName, expected,
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actual, i, j);
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return;
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}
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}
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}
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}
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(IntTexture, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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if (!context->caps()->isConfigTexturable(kRGBA_8888_sint_GrPixelConfig)) {
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return;
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}
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static const int kS = UINT8_MAX + 1;
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GrSurfaceDesc desc;
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desc.fConfig = kRGBA_8888_sint_GrPixelConfig;
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desc.fWidth = kS;
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desc.fHeight = kS;
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sk_sp<GrTexture> texture;
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std::unique_ptr<int32_t[]> testData(new int32_t[kS * kS]);
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for (int j = 0; j < kS; ++j) {
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for (int i = 0; i < kS; ++i) {
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uint32_t r = i - INT8_MIN;
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uint32_t g = j - INT8_MIN;
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uint32_t b = INT8_MAX - r;
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uint32_t a = INT8_MAX - g;
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testData.get()[j * kS + i] = (a << 24) | (b << 16) | (g << 8) | r;
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}
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}
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// Test that attempting to create a integer texture with multiple MIP level fails.
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GrMipLevel levels[2];
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levels[0].fPixels = testData.get();
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levels[0].fRowBytes = kS * sizeof(int32_t);
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levels[1].fPixels = testData.get();
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levels[1].fRowBytes = (kS / 2) * sizeof(int32_t);
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texture.reset(context->textureProvider()->createMipMappedTexture(desc, SkBudgeted::kYes, levels,
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2));
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REPORTER_ASSERT(reporter, !texture);
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// Test that we can create a integer texture.
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texture.reset(context->textureProvider()->createTexture(desc, SkBudgeted::kYes,
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levels[0].fPixels,
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levels[0].fRowBytes));
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REPORTER_ASSERT(reporter, texture);
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if (!texture) {
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return;
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}
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// Test that reading to a non-integer config fails.
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std::unique_ptr<int32_t[]> readData(new int32_t[kS * kS]);
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bool success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_GrPixelConfig, readData.get());
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REPORTER_ASSERT(reporter, !success);
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std::unique_ptr<uint16_t[]> halfData(new uint16_t[4 * kS * kS]);
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success = texture->readPixels(0, 0, kS, kS, kRGBA_half_GrPixelConfig, halfData.get());
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REPORTER_ASSERT(reporter, !success);
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// Can read back as ints. (ES only requires being able to read back into 32bit ints which
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// we don't support. Right now this test is counting on GR_RGBA_INTEGER/GL_BYTE being the
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// implementation-dependent second format).
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sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
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success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, readData.get());
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REPORTER_ASSERT(reporter, success);
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if (success) {
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check_pixels(reporter, kS, kS, testData.get(), readData.get(), "readPixels");
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}
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// readPixels should fail if we attempt to use the unpremul flag with an integer texture.
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success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, readData.get(), 0,
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GrContext::kUnpremul_PixelOpsFlag);
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REPORTER_ASSERT(reporter, !success);
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// Test that copying from one integer texture to another succeeds.
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{
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sk_sp<GrSurfaceProxy> copy(GrSurfaceProxy::TestCopy(context, desc,
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texture.get(), SkBudgeted::kYes));
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REPORTER_ASSERT(reporter, copy);
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if (!copy) {
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return;
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}
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GrSurface* copySurface = copy->instantiate(context->textureProvider());
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REPORTER_ASSERT(reporter, copySurface);
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if (!copySurface) {
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return;
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}
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sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
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success = copySurface->readPixels(0, 0, kS, kS,
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kRGBA_8888_sint_GrPixelConfig, readData.get());
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REPORTER_ASSERT(reporter, success);
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if (success) {
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check_pixels(reporter, kS, kS, testData.get(), readData.get(), "copyIntegerToInteger");
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}
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}
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// Test that copying to a non-integer (8888) texture fails.
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{
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GrSurfaceDesc nonIntDesc = desc;
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nonIntDesc.fConfig = kRGBA_8888_GrPixelConfig;
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sk_sp<GrSurfaceProxy> copy(GrSurfaceProxy::TestCopy(context, nonIntDesc,
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texture.get(), SkBudgeted::kYes));
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REPORTER_ASSERT(reporter, !copy);
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}
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// Test that copying to a non-integer (RGBA_half) texture fails.
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if (context->caps()->isConfigTexturable(kRGBA_half_GrPixelConfig)) {
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GrSurfaceDesc nonIntDesc = desc;
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nonIntDesc.fConfig = kRGBA_half_GrPixelConfig;
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sk_sp<GrSurfaceProxy> copy(GrSurfaceProxy::TestCopy(context, nonIntDesc,
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texture.get(), SkBudgeted::kYes));
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REPORTER_ASSERT(reporter, !copy);
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}
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// We overwrite the top left quarter of the texture with the bottom right quarter of the
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// original data.
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const void* bottomRightQuarter = testData.get() + kS / 2 * kS + kS / 2;
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size_t rowBytes = kS * sizeof(int32_t);
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// Can't write pixels from a non-int config.
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success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_GrPixelConfig, bottomRightQuarter,
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rowBytes);
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REPORTER_ASSERT(reporter, !success);
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// Can't use unpremul flag.
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success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_sint_GrPixelConfig,
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bottomRightQuarter, rowBytes,
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GrContext::kUnpremul_PixelOpsFlag);
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REPORTER_ASSERT(reporter, !success);
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success = texture->writePixels(0, 0, kS/2, kS/2, kRGBA_8888_sint_GrPixelConfig,
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bottomRightQuarter, rowBytes);
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REPORTER_ASSERT(reporter, success);
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if (!success) {
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return;
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}
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sk_bzero(readData.get(), sizeof(int32_t) * kS * kS);
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success = texture->readPixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, readData.get());
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REPORTER_ASSERT(reporter, success);
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if (!success) {
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return;
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}
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std::unique_ptr<int32_t[]> overwrittenTestData(new int32_t[kS * kS]);
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memcpy(overwrittenTestData.get(), testData.get(), sizeof(int32_t) * kS * kS);
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char* dst = (char*)overwrittenTestData.get();
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char* src = (char*)(testData.get() + kS/2 * kS + kS/2);
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for (int i = 0; i < kS/2; ++i) {
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memcpy(dst, src, sizeof(int32_t) * kS/2);
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dst += rowBytes;
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src += rowBytes;
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}
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check_pixels(reporter, kS, kS, overwrittenTestData.get(), readData.get(), "overwrite");
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// Test drawing from the integer texture to a fixed point texture. To avoid any premul issues
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// we init the int texture with 0s and 1s and make alpha always be 1. We expect that 1s turn
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// into 0xffs and zeros stay zero.
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std::unique_ptr<uint32_t[]> expectedData(new uint32_t[kS * kS]);
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std::unique_ptr<uint32_t[]> actualData(new uint32_t[kS * kS]);
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for (int i = 0; i < kS*kS; ++i) {
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int32_t a = 0x1;
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int32_t b = ((i & 0x1) ? 1 : 0);
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int32_t g = ((i & 0x1) ? 0 : 1);
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int32_t r = ((i & 0x2) ? 1 : 0);
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testData.get()[i] = (a << 24) | (b << 16) | (g << 8) | r;
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expectedData.get()[i] = ((0xFF * a) << 24) | ((0xFF * b) << 16) |
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((0xFF * g) << 8) | (0xFF * r);
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}
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texture->writePixels(0, 0, kS, kS, kRGBA_8888_sint_GrPixelConfig, testData.get());
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sk_sp<GrRenderTargetContext> rtContext = context->makeRenderTargetContext(
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SkBackingFit::kExact, kS, kS, kRGBA_8888_GrPixelConfig, nullptr);
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struct {
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GrSamplerParams::FilterMode fMode;
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const char* fName;
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} kNamedFilters[] ={
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{ GrSamplerParams::kNone_FilterMode, "filter-none" },
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{ GrSamplerParams::kBilerp_FilterMode, "filter-bilerp" },
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{ GrSamplerParams::kMipMap_FilterMode, "filter-mipmap" }
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};
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for (auto filter : kNamedFilters) {
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sk_sp<GrFragmentProcessor> fp(GrSimpleTextureEffect::Make(texture.get(), nullptr,
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SkMatrix::I(),
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filter.fMode));
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REPORTER_ASSERT(reporter, fp);
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if (!fp) {
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return;
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}
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rtContext->clear(nullptr, 0xDDAABBCC, true);
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GrPaint paint;
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paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
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paint.addColorFragmentProcessor(fp);
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rtContext->drawPaint(GrNoClip(), std::move(paint), SkMatrix::I());
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SkImageInfo readInfo = SkImageInfo::Make(kS, kS, kRGBA_8888_SkColorType,
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kPremul_SkAlphaType);
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rtContext->readPixels(readInfo, actualData.get(), 0, 0, 0);
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check_pixels(reporter, kS, kS, expectedData.get(), actualData.get(), filter.fName);
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}
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// No rendering to integer textures.
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GrSurfaceDesc intRTDesc = desc;
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intRTDesc.fFlags = kRenderTarget_GrSurfaceFlag;
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texture.reset(context->textureProvider()->createTexture(intRTDesc, SkBudgeted::kYes));
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REPORTER_ASSERT(reporter, !texture);
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}
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#endif
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