32342f032e
Combine texture provider and resource provider Largely mechanical. Only three places that were calling createApprox via texture provider (ie without flags), so that was simple. BUG=skia: Change-Id: I876367bcdc6a8db736deedab1028de1972015509 Reviewed-on: https://skia-review.googlesource.com/9176 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com>
102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
/*
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* Copyright 2014 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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/*
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* This is a straightforward test of floating point textures, which are
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* supported on some platforms. As of right now, this test only supports
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* 32 bit floating point textures, and indeed floating point test values
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* have been selected to require 32 bits of precision and full IEEE conformance
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*/
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#include <float.h>
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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 "GrResourceProvider.h"
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#include "GrTexture.h"
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#include "SkHalf.h"
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static const int DEV_W = 100, DEV_H = 100;
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static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H);
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template <typename T>
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void runFPTest(skiatest::Reporter* reporter, GrContext* context,
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T min, T max, T epsilon, T maxInt, int arraySize, GrPixelConfig config) {
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if (0 != arraySize % 4) {
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REPORT_FAILURE(reporter, "(0 != arraySize % 4)",
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SkString("arraySize must be divisible by 4."));
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return;
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}
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SkTDArray<T> controlPixelData, readBuffer;
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controlPixelData.setCount(arraySize);
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readBuffer.setCount(arraySize);
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for (int i = 0; i < arraySize; i += 4) {
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controlPixelData[i + 0] = min;
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controlPixelData[i + 1] = max;
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controlPixelData[i + 2] = epsilon;
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controlPixelData[i + 3] = maxInt;
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}
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for (int origin = 0; origin < 2; ++origin) {
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GrSurfaceDesc desc;
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desc.fFlags = kRenderTarget_GrSurfaceFlag;
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desc.fWidth = DEV_W;
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desc.fHeight = DEV_H;
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desc.fConfig = config;
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desc.fOrigin = 0 == origin ? kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin;
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sk_sp<GrTexture> fpTexture(context->resourceProvider()->createTexture(
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desc, SkBudgeted::kNo, controlPixelData.begin(), 0));
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// Floating point textures are NOT supported everywhere
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if (nullptr == fpTexture) {
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continue;
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}
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REPORTER_ASSERT(reporter,
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fpTexture->readPixels(0, 0, DEV_W, DEV_H, desc.fConfig, readBuffer.begin(), 0));
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REPORTER_ASSERT(reporter,
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0 == memcmp(readBuffer.begin(), controlPixelData.begin(), readBuffer.bytes()));
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}
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}
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static const int RGBA32F_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 4;
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static const float kMaxIntegerRepresentableInSPFloatingPoint = 16777216; // 2 ^ 24
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(FloatingPointTextureTest, reporter, ctxInfo) {
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runFPTest<float>(reporter, ctxInfo.grContext(), FLT_MIN, FLT_MAX, FLT_EPSILON,
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kMaxIntegerRepresentableInSPFloatingPoint,
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RGBA32F_CONTROL_ARRAY_SIZE, kRGBA_float_GrPixelConfig);
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}
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static const int RG32F_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 2;
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(FloatingPointTextureTest_RG, reporter, ctxInfo) {
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runFPTest<float>(reporter, ctxInfo.grContext(), FLT_MIN, FLT_MAX, FLT_EPSILON,
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kMaxIntegerRepresentableInSPFloatingPoint,
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RG32F_CONTROL_ARRAY_SIZE, kRG_float_GrPixelConfig);
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}
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static const int HALF_ALPHA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 1 /*alpha-only*/;
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static const SkHalf kMaxIntegerRepresentableInHalfFloatingPoint = 0x6800; // 2 ^ 11
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(HalfFloatAlphaTextureTest, reporter, ctxInfo) {
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runFPTest<SkHalf>(reporter, ctxInfo.grContext(), SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
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kMaxIntegerRepresentableInHalfFloatingPoint,
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HALF_ALPHA_CONTROL_ARRAY_SIZE, kAlpha_half_GrPixelConfig);
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}
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static const int HALF_RGBA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 4 /*RGBA*/;
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(HalfFloatRGBATextureTest, reporter, ctxInfo) {
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runFPTest<SkHalf>(reporter, ctxInfo.grContext(), SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
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kMaxIntegerRepresentableInHalfFloatingPoint,
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HALF_RGBA_CONTROL_ARRAY_SIZE, kRGBA_half_GrPixelConfig);
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}
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#endif
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