85aeccfb9d
Also make it support GrColorType Change-Id: I2aecb82dd1b8e3bc942549f2023ff5cae9deb4f3 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227403 Commit-Queue: Brian Salomon <bsalomon@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
78 lines
3.6 KiB
C++
78 lines
3.6 KiB
C++
/*
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* Copyright 2017 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 "include/core/SkBitmap.h"
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#include "src/gpu/GrDataUtils.h"
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#include "tests/Test.h"
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class GrSurfaceContext;
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class GrSurfaceProxy;
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typedef uint32_t GrColor;
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// Ensure that reading back from 'srcContext' as RGBA 8888 matches 'expectedPixelValues
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void test_read_pixels(skiatest::Reporter*, GrSurfaceContext* srcContext,
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uint32_t expectedPixelValues[], const char* testName);
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// See if trying to write RGBA 8888 pixels to 'dstContext' matches matches the
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// expectation ('expectedToWork')
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void test_write_pixels(skiatest::Reporter*, GrSurfaceContext* srcContext, bool expectedToWork,
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const char* testName);
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// Ensure that the pixels can be copied from 'proxy' viewed as colorType, to an RGBA 8888
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// destination (both texture-backed and rendertarget-backed).
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void test_copy_from_surface(skiatest::Reporter*, GrContext*, GrSurfaceProxy* proxy,
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GrColorType colorType, uint32_t expectedPixelValues[],
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const char* testName);
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// Fills data with a red-green gradient
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void fill_pixel_data(int width, int height, GrColor* data);
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// Create a solid colored backend texture
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bool create_backend_texture(GrContext*, GrBackendTexture* backendTex,
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const SkImageInfo& ii, GrMipMapped mipMapped, SkColor color,
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GrRenderable);
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void delete_backend_texture(GrContext*, const GrBackendTexture& backendTex);
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// Checks srcBuffer and dstBuffer contain the same colors
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bool does_full_buffer_contain_correct_color(const GrColor* srcBuffer, const GrColor* dstBuffer,
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int width, int height);
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// Encodes the bitmap into a data:/image/png;base64,... url suitable to view in a browser after
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// printing to a log. If false is returned, dst holds an error message instead of a URI.
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bool bitmap_to_base64_data_uri(const SkBitmap& bitmap, SkString* dst);
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/** Used by compare_pixels. */
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using ComparePixmapsErrorReporter = void(int x, int y, const float diffs[4]);
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/**
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* Compares pixels pointed to by 'a' with 'infoA' and rowBytesA to pixels pointed to by 'b' with
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* 'infoB' and 'rowBytesB'.
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*
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* If the infos have different dimensions error is called with negative coordinate values and
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* zero diffs and no comparisons are made.
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*
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* Before comparison pixels are converted to a common color type, alpha type, and color space.
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* The color type is always 32 bit float. The alpha type is premul if one of 'infoA' and 'infoB' is
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* premul and the other is unpremul. The color space is linear sRGB if 'infoA' and 'infoB' have
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* different colorspaces, otherwise their common color space is used.
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*
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* 'tolRGBA' expresses the allowed difference between pixels in the comparison space per channel. If
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* pixel components differ more than by 'tolRGBA' in absolute value in any channel then 'error' is
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* called with the coordinate and difference in the comparison space (B - A).
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*
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* The function quits after a single error is reported and returns false if 'error' was called and
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* true otherwise.
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*/
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bool compare_pixels(const GrPixelInfo& infoA, const char* a, size_t rowBytesA,
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const GrPixelInfo& infoB, const char* b, size_t rowBytesB,
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const float tolRGBA[4], std::function<ComparePixmapsErrorReporter>& error);
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/** Convenience version of above that takes SkPixmap inputs. */
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bool compare_pixels(const SkPixmap& a, const SkPixmap& b, const float tolRGBA[4],
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std::function<ComparePixmapsErrorReporter>& error);
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