| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/tests/test_graphics_2d.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "ppapi/c/dev/ppb_testing_dev.h" |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/c/ppb_graphics_2d.h" |
| #include "ppapi/cpp/completion_callback.h" |
| #include "ppapi/cpp/graphics_2d.h" |
| #include "ppapi/cpp/image_data.h" |
| #include "ppapi/cpp/instance.h" |
| #include "ppapi/cpp/module.h" |
| #include "ppapi/cpp/rect.h" |
| #include "ppapi/tests/testing_instance.h" |
| |
| REGISTER_TEST_CASE(Graphics2D); |
| |
| namespace { |
| |
| // A NOP flush callback for use in various tests. |
| void FlushCallbackNOP(void* data, int32_t result) { |
| } |
| |
| void FlushCallbackQuitMessageLoop(void* data, int32_t result) { |
| reinterpret_cast<TestGraphics2D*>(data)->QuitMessageLoop(); |
| } |
| |
| } // namespace |
| |
| bool TestGraphics2D::Init() { |
| graphics_2d_interface_ = reinterpret_cast<PPB_Graphics2D const*>( |
| pp::Module::Get()->GetBrowserInterface(PPB_GRAPHICS_2D_INTERFACE)); |
| image_data_interface_ = reinterpret_cast<PPB_ImageData const*>( |
| pp::Module::Get()->GetBrowserInterface(PPB_IMAGEDATA_INTERFACE)); |
| return graphics_2d_interface_ && image_data_interface_ && |
| InitTestingInterface(); |
| } |
| |
| void TestGraphics2D::RunTest() { |
| RUN_TEST(InvalidResource); |
| RUN_TEST(InvalidSize); |
| RUN_TEST(Humongous); |
| RUN_TEST(InitToZero); |
| RUN_TEST(Describe); |
| RUN_TEST_FORCEASYNC_AND_NOT(Paint); |
| // RUN_TEST_FORCEASYNC_AND_NOT(Scroll); // TODO(brettw) implement. |
| RUN_TEST_FORCEASYNC_AND_NOT(Replace); |
| RUN_TEST_FORCEASYNC_AND_NOT(Flush); |
| } |
| |
| void TestGraphics2D::QuitMessageLoop() { |
| testing_interface_->QuitMessageLoop(instance_->pp_instance()); |
| } |
| |
| bool TestGraphics2D::ReadImageData(const pp::Graphics2D& dc, |
| pp::ImageData* image, |
| const pp::Point& top_left) const { |
| return PP_ToBool(testing_interface_->ReadImageData( |
| dc.pp_resource(), |
| image->pp_resource(), |
| &top_left.pp_point())); |
| } |
| |
| bool TestGraphics2D::IsDCUniformColor(const pp::Graphics2D& dc, |
| uint32_t color) const { |
| pp::ImageData readback(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| dc.size(), false); |
| if (readback.is_null()) |
| return false; |
| if (!ReadImageData(dc, &readback, pp::Point(0, 0))) |
| return false; |
| return IsSquareInImage(readback, 0, pp::Rect(dc.size()), color); |
| } |
| |
| bool TestGraphics2D::FlushAndWaitForDone(pp::Graphics2D* context) { |
| int32_t flags = (force_async_ ? 0 : PP_COMPLETIONCALLBACK_FLAG_OPTIONAL); |
| pp::CompletionCallback cc(&FlushCallbackQuitMessageLoop, this, flags); |
| int32_t rv = context->Flush(cc); |
| if (force_async_ && rv != PP_OK_COMPLETIONPENDING) |
| return false; |
| if (rv == PP_OK) |
| return true; |
| if (rv != PP_OK_COMPLETIONPENDING) |
| return false; |
| testing_interface_->RunMessageLoop(instance_->pp_instance()); |
| return true; |
| } |
| |
| void TestGraphics2D::FillRectInImage(pp::ImageData* image, |
| const pp::Rect& rect, |
| uint32_t color) const { |
| for (int y = rect.y(); y < rect.bottom(); y++) { |
| uint32_t* row = image->GetAddr32(pp::Point(rect.x(), y)); |
| for (int pixel = 0; pixel < rect.width(); pixel++) |
| row[pixel] = color; |
| } |
| } |
| |
| void TestGraphics2D::FillImageWithGradient(pp::ImageData* image) const { |
| for (int y = 0; y < image->size().height(); y++) { |
| uint32_t red = ((y * 256) / image->size().height()) & 0xFF; |
| for (int x = 0; x < image->size().width(); x++) { |
| uint32_t green = ((x * 256) / image->size().width()) & 0xFF; |
| uint32_t blue = ((red + green) / 2) & 0xFF; |
| uint32_t* pixel = image->GetAddr32(pp::Point(x, y)); |
| *pixel = (blue << 24) | (green << 16) | (red << 8); |
| } |
| } |
| } |
| |
| bool TestGraphics2D::CompareImages(const pp::ImageData& image1, |
| const pp::ImageData& image2) { |
| return CompareImageRect( |
| image1, pp::Rect(0, 0, image1.size().width(), image1.size().height()), |
| image2, pp::Rect(0, 0, image2.size().width(), image2.size().height())); |
| } |
| |
| bool TestGraphics2D::CompareImageRect(const pp::ImageData& image1, |
| const pp::Rect& rc1, |
| const pp::ImageData& image2, |
| const pp::Rect& rc2) const { |
| if (rc1.width() != rc2.width() || rc1.height() != rc2.height()) |
| return false; |
| |
| for (int y = 0; y < rc1.height(); y++) { |
| for (int x = 0; x < rc1.width(); x++) { |
| if (*(image1.GetAddr32(pp::Point(rc1.x() + x, rc1.y() + y))) != |
| *(image2.GetAddr32(pp::Point(rc2.x() + x, rc2.y() + y)))) |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool TestGraphics2D::IsSquareInImage(const pp::ImageData& image_data, |
| uint32_t background_color, |
| const pp::Rect& square, |
| uint32_t square_color) const { |
| for (int y = 0; y < image_data.size().height(); y++) { |
| for (int x = 0; x < image_data.size().width(); x++) { |
| uint32_t pixel = *image_data.GetAddr32(pp::Point(x, y)); |
| uint32_t desired_color; |
| if (square.Contains(x, y)) |
| desired_color = square_color; |
| else |
| desired_color = background_color; |
| if (pixel != desired_color) |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool TestGraphics2D::IsSquareInDC(const pp::Graphics2D& dc, |
| uint32_t background_color, |
| const pp::Rect& square, |
| uint32_t square_color) const { |
| pp::ImageData readback(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| dc.size(), false); |
| if (readback.is_null()) |
| return false; |
| if (!ReadImageData(dc, &readback, pp::Point(0, 0))) |
| return false; |
| return IsSquareInImage(readback, background_color, square, square_color); |
| } |
| |
| // Test all the functions with an invalid handle. Most of these just check for |
| // a crash since the browser don't return a value. |
| std::string TestGraphics2D::TestInvalidResource() { |
| pp::Graphics2D null_context; |
| pp::ImageData image(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(16, 16), true); |
| |
| // Describe. |
| PP_Size size; |
| PP_Bool opaque; |
| graphics_2d_interface_->Describe(image.pp_resource(), &size, &opaque); |
| graphics_2d_interface_->Describe(null_context.pp_resource(), |
| &size, &opaque); |
| |
| // PaintImageData. |
| PP_Point zero_zero; |
| zero_zero.x = 0; |
| zero_zero.y = 0; |
| graphics_2d_interface_->PaintImageData(image.pp_resource(), |
| image.pp_resource(), |
| &zero_zero, NULL); |
| graphics_2d_interface_->PaintImageData(null_context.pp_resource(), |
| image.pp_resource(), |
| &zero_zero, NULL); |
| |
| // Scroll. |
| PP_Point zero_ten; |
| zero_ten.x = 0; |
| zero_ten.y = 10; |
| graphics_2d_interface_->Scroll(image.pp_resource(), NULL, &zero_ten); |
| graphics_2d_interface_->Scroll(null_context.pp_resource(), |
| NULL, &zero_ten); |
| |
| // ReplaceContents. |
| graphics_2d_interface_->ReplaceContents(image.pp_resource(), |
| image.pp_resource()); |
| graphics_2d_interface_->ReplaceContents(null_context.pp_resource(), |
| image.pp_resource()); |
| |
| // Flush. |
| if (graphics_2d_interface_->Flush( |
| image.pp_resource(), |
| PP_MakeOptionalCompletionCallback(&FlushCallbackNOP, NULL)) == PP_OK) |
| return "Flush succeeded with a different resource"; |
| if (graphics_2d_interface_->Flush( |
| null_context.pp_resource(), |
| PP_MakeOptionalCompletionCallback(&FlushCallbackNOP, NULL)) == PP_OK) |
| return "Flush succeeded with a NULL resource"; |
| |
| // ReadImageData. |
| if (testing_interface_->ReadImageData(image.pp_resource(), |
| image.pp_resource(), |
| &zero_zero)) |
| return "ReadImageData succeeded with a different resource"; |
| if (testing_interface_->ReadImageData(null_context.pp_resource(), |
| image.pp_resource(), |
| &zero_zero)) |
| return "ReadImageData succeeded with a NULL resource"; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestInvalidSize() { |
| pp::Graphics2D a(instance_, pp::Size(16, 0), false); |
| if (!a.is_null()) |
| return "0 height accepted"; |
| |
| pp::Graphics2D b(instance_, pp::Size(0, 16), false); |
| if (!b.is_null()) |
| return "0 width accepted"; |
| |
| // Need to use the C API since pp::Size prevents negative sizes. |
| PP_Size size; |
| size.width = 16; |
| size.height = -16; |
| ASSERT_FALSE(!!graphics_2d_interface_->Create( |
| instance_->pp_instance(), &size, PP_FALSE)); |
| |
| size.width = -16; |
| size.height = 16; |
| ASSERT_FALSE(!!graphics_2d_interface_->Create( |
| instance_->pp_instance(), &size, PP_FALSE)); |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestHumongous() { |
| pp::Graphics2D a(instance_, pp::Size(100000, 100000), false); |
| if (!a.is_null()) |
| return "Humongous device created"; |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestInitToZero() { |
| const int w = 15, h = 17; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating a boring device"; |
| |
| // Make an image with nonzero data in it (so we can test that zeros were |
| // actually read versus ReadImageData being a NOP). |
| pp::ImageData image(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), true); |
| if (image.is_null()) |
| return "Failure to allocate an image"; |
| memset(image.data(), 0xFF, image.stride() * image.size().height() * 4); |
| |
| // Read out the initial data from the device & check. |
| if (!ReadImageData(dc, &image, pp::Point(0, 0))) |
| return "Couldn't read image data"; |
| if (!IsSquareInImage(image, 0, pp::Rect(0, 0, w, h), 0)) |
| return "Got a nonzero pixel"; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestDescribe() { |
| const int w = 15, h = 17; |
| const bool always_opaque = ::rand() % 2 ? true : false; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), always_opaque); |
| if (dc.is_null()) |
| return "Failure creating a boring device"; |
| |
| PP_Size size; |
| size.width = -1; |
| size.height = -1; |
| PP_Bool is_always_opaque = PP_FALSE; |
| if (!graphics_2d_interface_->Describe(dc.pp_resource(), &size, |
| &is_always_opaque)) |
| return "Describe failed"; |
| if (size.width != w || size.height != h || |
| is_always_opaque != PP_FromBool(always_opaque)) |
| return "Mismatch of data."; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestPaint() { |
| const int w = 15, h = 17; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating a boring device"; |
| |
| // Make sure the device background is 0. |
| if (!IsDCUniformColor(dc, 0)) |
| return "Bad initial color"; |
| |
| // Fill the backing store with white. |
| const uint32_t background_color = 0xFFFFFFFF; |
| pp::ImageData background(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), false); |
| FillRectInImage(&background, pp::Rect(0, 0, w, h), background_color); |
| dc.PaintImageData(background, pp::Point(0, 0)); |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush to fill backing store"; |
| |
| // Make an image to paint with that's opaque white and enqueue a paint. |
| const int fill_w = 2, fill_h = 3; |
| pp::ImageData fill(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(fill_w, fill_h), true); |
| if (fill.is_null()) |
| return "Failure to allocate fill image"; |
| FillRectInImage(&fill, pp::Rect(fill.size()), background_color); |
| const int paint_x = 4, paint_y = 5; |
| dc.PaintImageData(fill, pp::Point(paint_x, paint_y)); |
| |
| // Validate that nothing has been actually painted. |
| if (!IsDCUniformColor(dc, background_color)) |
| return "Image updated before flush (or failure in readback)."; |
| |
| // The paint hasn't been flushed so we can still change the bitmap. Fill with |
| // 50% blue. This will also verify that the backing store is replaced |
| // with the contents rather than blended. |
| const uint32_t fill_color = 0x80000080; |
| FillRectInImage(&fill, pp::Rect(fill.size()), fill_color); |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush 50% blue paint"; |
| |
| if (!IsSquareInDC(dc, background_color, |
| pp::Rect(paint_x, paint_y, fill_w, fill_h), |
| fill_color)) |
| return "Image not painted properly."; |
| |
| // Reset the DC to blank white & paint our image slightly off the buffer. |
| // This should succeed. We also try painting the same thing where the |
| // dirty rect falls outeside of the device, which should fail. |
| dc.PaintImageData(background, pp::Point(0, 0)); |
| const int second_paint_x = -1, second_paint_y = -2; |
| dc.PaintImageData(fill, pp::Point(second_paint_x, second_paint_y)); |
| dc.PaintImageData(fill, pp::Point(second_paint_x, second_paint_y), |
| pp::Rect(-second_paint_x, -second_paint_y, 1, 1)); |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush second paint"; |
| |
| // Now we should have a little bit of the image peeking out the top left. |
| if (!IsSquareInDC(dc, background_color, pp::Rect(0, 0, 1, 1), |
| fill_color)) |
| return "Partially offscreen paint failed."; |
| |
| // Now repaint that top left pixel by doing a subset of the source image. |
| pp::ImageData subset(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), false); |
| uint32_t subset_color = 0x80808080; |
| const int subset_x = 2, subset_y = 1; |
| *subset.GetAddr32(pp::Point(subset_x, subset_y)) = subset_color; |
| dc.PaintImageData(subset, pp::Point(-subset_x, -subset_y), |
| pp::Rect(subset_x, subset_y, 1, 1)); |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush repaint"; |
| if (!IsSquareInDC(dc, background_color, pp::Rect(0, 0, 1, 1), |
| subset_color)) |
| return "Subset paint failed."; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestScroll() { |
| const int w = 115, h = 117; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating a boring device."; |
| |
| // Make sure the device background is 0. |
| if (!IsDCUniformColor(dc, 0)) |
| return "Bad initial color."; |
| |
| const int image_w = 15, image_h = 23; |
| pp::ImageData test_image(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(image_w, image_h), false); |
| FillImageWithGradient(&test_image); |
| |
| int image_x = 51, image_y = 72; |
| dc.PaintImageData(test_image, pp::Point(image_x, image_y)); |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush to fill backing store."; |
| |
| // TC1, Scroll image to a free space. |
| int dx = -40, dy = -48; |
| pp::Rect clip = pp::Rect(image_x, image_y, test_image.size().width(), |
| test_image.size().height()); |
| dc.Scroll(clip, pp::Point(dx, dy)); |
| |
| if (!FlushAndWaitForDone(&dc)) |
| return "TC1, Couldn't flush to scroll."; |
| |
| image_x += dx; |
| image_y += dy; |
| |
| pp::ImageData readback(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(image_w, image_h), false); |
| if (!ReadImageData(dc, &readback, pp::Point(image_x, image_y))) |
| return "TC1, Couldn't read back image data."; |
| |
| if (!CompareImages(test_image, readback)) |
| return "TC1, Read back image is not the same as test image."; |
| |
| // TC2, Scroll image to an overlapping space. |
| dx = 6; |
| dy = 9; |
| clip = pp::Rect(image_x, image_y, test_image.size().width(), |
| test_image.size().height()); |
| dc.Scroll(clip, pp::Point(dx, dy)); |
| |
| if (!FlushAndWaitForDone(&dc)) |
| return "TC2, Couldn't flush to scroll."; |
| |
| image_x += dx; |
| image_y += dy; |
| |
| if (!ReadImageData(dc, &readback, pp::Point(image_x, image_y))) |
| return "TC2, Couldn't read back image data."; |
| |
| if (!CompareImages(test_image, readback)) |
| return "TC2, Read back image is not the same as test image."; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestReplace() { |
| const int w = 15, h = 17; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating a boring device"; |
| |
| // Replacing with a different size image should fail. |
| pp::ImageData weird_size(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w - 1, h), true); |
| if (weird_size.is_null()) |
| return "Failure allocating the weird sized image"; |
| dc.ReplaceContents(&weird_size); |
| |
| // Fill the background with blue but don't flush yet. |
| const int32_t background_color = 0xFF0000FF; |
| pp::ImageData background(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), true); |
| if (background.is_null()) |
| return "Failure to allocate background image"; |
| FillRectInImage(&background, pp::Rect(0, 0, w, h), background_color); |
| dc.PaintImageData(background, pp::Point(0, 0)); |
| |
| // Replace with a green background but don't flush yet. |
| const int32_t swapped_color = 0xFF0000FF; |
| pp::ImageData swapped(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), true); |
| if (swapped.is_null()) |
| return "Failure to allocate swapped image"; |
| FillRectInImage(&swapped, pp::Rect(0, 0, w, h), swapped_color); |
| dc.ReplaceContents(&swapped); |
| |
| // The background should be unchanged since we didn't flush yet. |
| if (!IsDCUniformColor(dc, 0)) |
| return "Image updated before flush (or failure in readback)."; |
| |
| // Test the C++ wrapper. The size of the swapped image should be reset. |
| if (swapped.pp_resource() || swapped.size().width() || |
| swapped.size().height() || swapped.data()) |
| return "Size of the swapped image should be reset."; |
| |
| // Painting with the swapped image should fail. |
| dc.PaintImageData(swapped, pp::Point(0, 0)); |
| |
| // Flush and make sure the result is correct. |
| if (!FlushAndWaitForDone(&dc)) |
| return "Couldn't flush"; |
| |
| // The background should be green from the swapped image. |
| if (!IsDCUniformColor(dc, swapped_color)) |
| return "Flushed color incorrect (or failure in readback)."; |
| |
| PASS(); |
| } |
| |
| std::string TestGraphics2D::TestFlush() { |
| // Tests that synchronous flushes (NULL callback) fail on the main thread |
| // (which is the current one). |
| const int w = 15, h = 17; |
| pp::Graphics2D dc(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating a boring device"; |
| |
| // Fill the background with blue but don't flush yet. |
| pp::ImageData background(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL, |
| pp::Size(w, h), true); |
| if (background.is_null()) |
| return "Failure to allocate background image"; |
| dc.PaintImageData(background, pp::Point(0, 0)); |
| |
| int32_t rv = dc.Flush(pp::BlockUntilComplete()); |
| if (rv == PP_OK || rv == PP_OK_COMPLETIONPENDING) |
| return "Flush succeeded from the main thread with no callback."; |
| |
| // Test flushing with no operations still issues a callback. |
| // (This may also hang if the browser never issues the callback). |
| pp::Graphics2D dc_nopaints(instance_, pp::Size(w, h), false); |
| if (dc.is_null()) |
| return "Failure creating the nopaint device"; |
| if (!FlushAndWaitForDone(&dc_nopaints)) |
| return "Couldn't flush the nopaint device"; |
| |
| int32_t flags = (force_async_ ? 0 : PP_COMPLETIONCALLBACK_FLAG_OPTIONAL); |
| |
| // Test that multiple flushes fail if we don't get a callback in between. |
| rv = dc_nopaints.Flush(pp::CompletionCallback(&FlushCallbackNOP, NULL, |
| flags)); |
| if (force_async_ && rv != PP_OK_COMPLETIONPENDING) |
| return "Flush must complete asynchronously."; |
| if (rv != PP_OK && rv != PP_OK_COMPLETIONPENDING) |
| return "Couldn't flush first time for multiple flush test."; |
| |
| if (rv == PP_OK_COMPLETIONPENDING) { |
| // If the first flush completes asynchronously, then a second should fail. |
| rv = dc_nopaints.Flush(pp::CompletionCallback(&FlushCallbackNOP, NULL, |
| flags)); |
| if (force_async_) { |
| if (rv != PP_OK_COMPLETIONPENDING) |
| return "Second flush must fail asynchronously."; |
| } else { |
| if (rv == PP_OK || rv == PP_OK_COMPLETIONPENDING) |
| return "Second flush succeeded before callback ran."; |
| } |
| } |
| |
| PASS(); |
| } |
