| // |
| // Copyright 2020 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // angletypes_unittest.cpp: Unit tests of the BlendStateExt class. |
| |
| #include <gtest/gtest.h> |
| |
| #include "libANGLE/angletypes.h" |
| |
| namespace angle |
| { |
| |
| #if defined(ANGLE_IS_64_BIT_CPU) |
| constexpr bool is64Bit = true; |
| #else |
| constexpr bool is64Bit = false; |
| #endif |
| |
| void checkInitState(const gl::BlendStateExt &blendStateExt) |
| { |
| for (size_t i = 0; i < blendStateExt.mMaxDrawBuffers; ++i) |
| { |
| ASSERT_FALSE(blendStateExt.mEnabledMask.test(i)); |
| |
| bool r, g, b, a; |
| blendStateExt.getColorMaskIndexed(i, &r, &g, &b, &a); |
| ASSERT_TRUE(r); |
| ASSERT_TRUE(g); |
| ASSERT_TRUE(b); |
| ASSERT_TRUE(a); |
| |
| ASSERT_EQ(blendStateExt.getEquationColorIndexed(i), static_cast<GLenum>(GL_FUNC_ADD)); |
| ASSERT_EQ(blendStateExt.getEquationAlphaIndexed(i), static_cast<GLenum>(GL_FUNC_ADD)); |
| |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(i), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(i), static_cast<GLenum>(GL_ZERO)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(i), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(i), static_cast<GLenum>(GL_ZERO)); |
| } |
| } |
| |
| // Test the initial state of BlendStateExt |
| TEST(BlendStateExt, Init) |
| { |
| { |
| const gl::BlendStateExt blendStateExt = gl::BlendStateExt(1); |
| ASSERT_EQ(blendStateExt.mMaxDrawBuffers, 1u); |
| ASSERT_EQ(blendStateExt.mMaxEnabledMask.to_ulong(), 1u); |
| ASSERT_EQ(blendStateExt.mMaxColorMask, is64Bit ? 0xFFu : 0xFu); |
| ASSERT_EQ(blendStateExt.mMaxEquationMask, is64Bit ? 0xFFu : 0xFu); |
| ASSERT_EQ(blendStateExt.mMaxFactorMask, 0xFFu); |
| checkInitState(blendStateExt); |
| } |
| |
| { |
| const gl::BlendStateExt blendStateExt = gl::BlendStateExt(4); |
| ASSERT_EQ(blendStateExt.mMaxDrawBuffers, 4u); |
| ASSERT_EQ(blendStateExt.mMaxEnabledMask.to_ulong(), 0xFu); |
| ASSERT_EQ(blendStateExt.mMaxColorMask, is64Bit ? 0xFFFFFFFFu : 0xFFFFu); |
| ASSERT_EQ(blendStateExt.mMaxEquationMask, is64Bit ? 0xFFFFFFFFu : 0xFFFFu); |
| ASSERT_EQ(blendStateExt.mMaxFactorMask, 0xFFFFFFFFu); |
| checkInitState(blendStateExt); |
| } |
| |
| { |
| const gl::BlendStateExt blendStateExt = gl::BlendStateExt(8); |
| ASSERT_EQ(blendStateExt.mMaxDrawBuffers, 8u); |
| ASSERT_EQ(blendStateExt.mMaxEnabledMask.to_ulong(), 0xFFu); |
| ASSERT_EQ(blendStateExt.mMaxColorMask, is64Bit ? 0xFFFFFFFFFFFFFFFFu : 0xFFFFFFFFu); |
| ASSERT_EQ(blendStateExt.mMaxEquationMask, is64Bit ? 0xFFFFFFFFFFFFFFFFu : 0xFFFFFFFFu); |
| ASSERT_EQ(blendStateExt.mMaxFactorMask, 0xFFFFFFFFFFFFFFFFu); |
| checkInitState(blendStateExt); |
| } |
| } |
| |
| // Test blend enabled flags |
| TEST(BlendStateExt, BlendEnabled) |
| { |
| gl::BlendStateExt blendStateExt = gl::BlendStateExt(3); |
| |
| blendStateExt.setEnabled(true); |
| ASSERT_EQ(blendStateExt.mEnabledMask.to_ulong(), 7u); |
| |
| blendStateExt.setEnabledIndexed(1, false); |
| ASSERT_EQ(blendStateExt.mEnabledMask.to_ulong(), 5u); |
| } |
| |
| // Test color write mask manipulations |
| TEST(BlendStateExt, ColorMask) |
| { |
| gl::BlendStateExt blendStateExt = gl::BlendStateExt(5); |
| |
| blendStateExt.setColorMask(true, false, true, false); |
| ASSERT_EQ(blendStateExt.mColorMask, is64Bit ? 0x0505050505u : 0x55555u); |
| |
| blendStateExt.setColorMaskIndexed(3, false, true, false, true); |
| ASSERT_EQ(blendStateExt.mColorMask, is64Bit ? 0x050A050505u : 0x5A555u); |
| |
| blendStateExt.setColorMaskIndexed(3, 0xF); |
| ASSERT_EQ(blendStateExt.getColorMaskIndexed(3), 0xF); |
| |
| blendStateExt.setColorMaskIndexed(3, 0xA); |
| ASSERT_EQ(blendStateExt.getColorMaskIndexed(3), 0xA); |
| |
| bool r, g, b, a; |
| blendStateExt.getColorMaskIndexed(3, &r, &g, &b, &a); |
| ASSERT_FALSE(r); |
| ASSERT_TRUE(g); |
| ASSERT_FALSE(b); |
| ASSERT_TRUE(a); |
| |
| gl::BlendStateExt::ColorMaskStorage::Type otherColorMask = |
| blendStateExt.expandColorMaskIndexed(3); |
| ASSERT_EQ(otherColorMask, is64Bit ? 0x0A0A0A0A0Au : 0xAAAAAu); |
| |
| const gl::DrawBufferMask diff = blendStateExt.compareColorMask(otherColorMask); |
| ASSERT_EQ(diff.to_ulong(), 23u); |
| } |
| |
| // Test blend equations manipulations |
| TEST(BlendStateExt, BlendEquations) |
| { |
| gl::BlendStateExt blendStateExt = gl::BlendStateExt(7); |
| |
| blendStateExt.setEquations(GL_MIN, GL_FUNC_SUBTRACT); |
| ASSERT_EQ(blendStateExt.mEquationColor, is64Bit ? 0x01010101010101u : 0x1111111u); |
| ASSERT_EQ(blendStateExt.mEquationAlpha, is64Bit ? 0x04040404040404u : 0x4444444u); |
| |
| blendStateExt.setEquationsIndexed(3, GL_MAX, GL_FUNC_SUBTRACT); |
| blendStateExt.setEquationsIndexed(5, GL_MIN, GL_FUNC_ADD); |
| ASSERT_EQ(blendStateExt.mEquationColor, is64Bit ? 0x01010102010101u : 0x1112111u); |
| ASSERT_EQ(blendStateExt.mEquationAlpha, is64Bit ? 0x04000404040404u : 0x4044444u); |
| ASSERT_EQ(blendStateExt.getEquationColorIndexed(3), static_cast<GLenum>(GL_MAX)); |
| ASSERT_EQ(blendStateExt.getEquationAlphaIndexed(5), static_cast<GLenum>(GL_FUNC_ADD)); |
| |
| gl::BlendStateExt::EquationStorage::Type otherEquationColor = |
| blendStateExt.expandEquationColorIndexed(0); |
| gl::BlendStateExt::EquationStorage::Type otherEquationAlpha = |
| blendStateExt.expandEquationAlphaIndexed(0); |
| |
| ASSERT_EQ(otherEquationColor, is64Bit ? 0x01010101010101u : 0x1111111u); |
| ASSERT_EQ(otherEquationAlpha, is64Bit ? 0x04040404040404u : 0x4444444u); |
| |
| const gl::DrawBufferMask diff = |
| blendStateExt.compareEquations(otherEquationColor, otherEquationAlpha); |
| ASSERT_EQ(diff.to_ulong(), 40u); |
| |
| // Copy buffer 3 to buffer 0 |
| blendStateExt.setEquationsIndexed(0, 3, blendStateExt); |
| ASSERT_EQ(blendStateExt.getEquationColorIndexed(0), static_cast<GLenum>(GL_MAX)); |
| ASSERT_EQ(blendStateExt.getEquationAlphaIndexed(0), static_cast<GLenum>(GL_FUNC_SUBTRACT)); |
| |
| // Copy buffer 5 to buffer 0 |
| blendStateExt.setEquationsIndexed(0, 5, blendStateExt); |
| ASSERT_EQ(blendStateExt.getEquationColorIndexed(0), static_cast<GLenum>(GL_MIN)); |
| ASSERT_EQ(blendStateExt.getEquationAlphaIndexed(0), static_cast<GLenum>(GL_FUNC_ADD)); |
| } |
| |
| // Test blend factors manipulations |
| TEST(BlendStateExt, BlendFactors) |
| { |
| gl::BlendStateExt blendStateExt = gl::BlendStateExt(8); |
| |
| blendStateExt.setFactors(GL_SRC_COLOR, GL_DST_COLOR, GL_SRC_ALPHA, GL_DST_ALPHA); |
| ASSERT_EQ(blendStateExt.mSrcColor, 0x0202020202020202u); |
| ASSERT_EQ(blendStateExt.mDstColor, 0x0808080808080808u); |
| ASSERT_EQ(blendStateExt.mSrcAlpha, 0x0404040404040404u); |
| ASSERT_EQ(blendStateExt.mDstAlpha, 0x0606060606060606u); |
| |
| blendStateExt.setFactorsIndexed(0, GL_ONE, GL_DST_COLOR, GL_SRC_ALPHA, GL_DST_ALPHA); |
| blendStateExt.setFactorsIndexed(3, GL_SRC_COLOR, GL_ONE, GL_SRC_ALPHA, GL_DST_ALPHA); |
| blendStateExt.setFactorsIndexed(5, GL_SRC_COLOR, GL_DST_COLOR, GL_ONE, GL_DST_ALPHA); |
| blendStateExt.setFactorsIndexed(7, GL_SRC_COLOR, GL_DST_COLOR, GL_SRC_ALPHA, GL_ONE); |
| ASSERT_EQ(blendStateExt.mSrcColor, 0x0202020202020201u); |
| ASSERT_EQ(blendStateExt.mDstColor, 0x0808080801080808u); |
| ASSERT_EQ(blendStateExt.mSrcAlpha, 0x0404010404040404u); |
| ASSERT_EQ(blendStateExt.mDstAlpha, 0x0106060606060606u); |
| |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(0), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(3), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(5), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(7), static_cast<GLenum>(GL_ONE)); |
| |
| gl::BlendStateExt::FactorStorage::Type otherSrcColor = blendStateExt.expandSrcColorIndexed(1); |
| gl::BlendStateExt::FactorStorage::Type otherDstColor = blendStateExt.expandDstColorIndexed(1); |
| gl::BlendStateExt::FactorStorage::Type otherSrcAlpha = blendStateExt.expandSrcAlphaIndexed(1); |
| gl::BlendStateExt::FactorStorage::Type otherDstAlpha = blendStateExt.expandDstAlphaIndexed(1); |
| |
| ASSERT_EQ(otherSrcColor, 0x0202020202020202u); |
| ASSERT_EQ(otherDstColor, 0x0808080808080808u); |
| ASSERT_EQ(otherSrcAlpha, 0x0404040404040404u); |
| ASSERT_EQ(otherDstAlpha, 0x0606060606060606u); |
| |
| const gl::DrawBufferMask diff = |
| blendStateExt.compareFactors(otherSrcColor, otherDstColor, otherSrcAlpha, otherDstAlpha); |
| ASSERT_EQ(diff.to_ulong(), 169u); |
| |
| // Copy buffer 0 to buffer 1 |
| blendStateExt.setFactorsIndexed(1, 0, blendStateExt); |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(1), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(1), static_cast<GLenum>(GL_DST_COLOR)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(1), static_cast<GLenum>(GL_SRC_ALPHA)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(1), static_cast<GLenum>(GL_DST_ALPHA)); |
| |
| // Copy buffer 3 to buffer 1 |
| blendStateExt.setFactorsIndexed(1, 3, blendStateExt); |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(1), static_cast<GLenum>(GL_SRC_COLOR)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(1), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(1), static_cast<GLenum>(GL_SRC_ALPHA)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(1), static_cast<GLenum>(GL_DST_ALPHA)); |
| |
| // Copy buffer 5 to buffer 1 |
| blendStateExt.setFactorsIndexed(1, 5, blendStateExt); |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(1), static_cast<GLenum>(GL_SRC_COLOR)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(1), static_cast<GLenum>(GL_DST_COLOR)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(1), static_cast<GLenum>(GL_ONE)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(1), static_cast<GLenum>(GL_DST_ALPHA)); |
| |
| // Copy buffer 7 to buffer 1 |
| blendStateExt.setFactorsIndexed(1, 7, blendStateExt); |
| ASSERT_EQ(blendStateExt.getSrcColorIndexed(1), static_cast<GLenum>(GL_SRC_COLOR)); |
| ASSERT_EQ(blendStateExt.getDstColorIndexed(1), static_cast<GLenum>(GL_DST_COLOR)); |
| ASSERT_EQ(blendStateExt.getSrcAlphaIndexed(1), static_cast<GLenum>(GL_SRC_ALPHA)); |
| ASSERT_EQ(blendStateExt.getDstAlphaIndexed(1), static_cast<GLenum>(GL_ONE)); |
| } |
| |
| // Test clip rectangle |
| TEST(Rectangle, Clip) |
| { |
| const gl::Rectangle source(0, 0, 100, 200); |
| const gl::Rectangle clip1(0, 0, 50, 100); |
| gl::Rectangle result; |
| |
| ASSERT_TRUE(gl::ClipRectangle(source, clip1, &result)); |
| ASSERT_EQ(result.x, 0); |
| ASSERT_EQ(result.y, 0); |
| ASSERT_EQ(result.width, 50); |
| ASSERT_EQ(result.height, 100); |
| |
| gl::Rectangle clip2(10, 20, 30, 40); |
| |
| ASSERT_TRUE(gl::ClipRectangle(source, clip2, &result)); |
| ASSERT_EQ(result.x, 10); |
| ASSERT_EQ(result.y, 20); |
| ASSERT_EQ(result.width, 30); |
| ASSERT_EQ(result.height, 40); |
| |
| gl::Rectangle clip3(-20, -30, 10000, 400000); |
| |
| ASSERT_TRUE(gl::ClipRectangle(source, clip3, &result)); |
| ASSERT_EQ(result.x, 0); |
| ASSERT_EQ(result.y, 0); |
| ASSERT_EQ(result.width, 100); |
| ASSERT_EQ(result.height, 200); |
| |
| gl::Rectangle clip4(50, 100, -20, -30); |
| |
| ASSERT_TRUE(gl::ClipRectangle(source, clip4, &result)); |
| ASSERT_EQ(result.x, 30); |
| ASSERT_EQ(result.y, 70); |
| ASSERT_EQ(result.width, 20); |
| ASSERT_EQ(result.height, 30); |
| |
| // Non-overlapping rectangles |
| gl::Rectangle clip5(-100, 0, 99, 200); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip5, nullptr)); |
| |
| gl::Rectangle clip6(0, -100, 100, 99); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip6, nullptr)); |
| |
| gl::Rectangle clip7(101, 0, 99, 200); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip7, nullptr)); |
| |
| gl::Rectangle clip8(0, 201, 100, 99); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip8, nullptr)); |
| |
| // Zero-width/height rectangles |
| gl::Rectangle clip9(50, 0, 0, 200); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip9, nullptr)); |
| ASSERT_FALSE(gl::ClipRectangle(clip9, source, nullptr)); |
| |
| gl::Rectangle clip10(0, 100, 100, 0); |
| ASSERT_FALSE(gl::ClipRectangle(source, clip10, nullptr)); |
| ASSERT_FALSE(gl::ClipRectangle(clip10, source, nullptr)); |
| } |
| |
| // Test combine rectangles |
| TEST(Rectangle, Combine) |
| { |
| const gl::Rectangle rect1(0, 0, 100, 200); |
| const gl::Rectangle rect2(0, 0, 50, 100); |
| gl::Rectangle result; |
| |
| gl::GetEnclosingRectangle(rect1, rect2, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| const gl::Rectangle rect3(50, 100, 100, 200); |
| |
| gl::GetEnclosingRectangle(rect1, rect3, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 150); |
| ASSERT_EQ(result.y1(), 300); |
| |
| const gl::Rectangle rect4(-20, -30, 100, 200); |
| |
| gl::GetEnclosingRectangle(rect1, rect4, &result); |
| ASSERT_EQ(result.x0(), -20); |
| ASSERT_EQ(result.y0(), -30); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| const gl::Rectangle rect5(10, -30, 100, 200); |
| |
| gl::GetEnclosingRectangle(rect1, rect5, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), -30); |
| ASSERT_EQ(result.x1(), 110); |
| ASSERT_EQ(result.y1(), 200); |
| } |
| |
| // Test extend rectangles |
| TEST(Rectangle, Extend) |
| { |
| const gl::Rectangle source(0, 0, 100, 200); |
| const gl::Rectangle extend1(0, 0, 50, 100); |
| gl::Rectangle result; |
| |
| // +------+ +------+ |
| // | | | | | |
| // +---+ | --> | | |
| // | | | | |
| // +------+ +------+ |
| // |
| gl::ExtendRectangle(source, extend1, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| // +------+ +------+ |
| // |S | | | |
| // | +--+---+ --> | | |
| // | | | | | | |
| // +---+--+ + +------+ |
| // | | |
| // +------+ |
| // |
| const gl::Rectangle extend2(50, 100, 100, 200); |
| |
| gl::ExtendRectangle(source, extend2, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| // +------+ +------+ |
| // |S | | | |
| // +-+------+---+ --> | | |
| // | | | | | | |
| // | +------+ + | | |
| // | | | | |
| // +------------+ +------+ |
| // |
| const gl::Rectangle extend3(-10, 100, 200, 200); |
| |
| gl::ExtendRectangle(source, extend3, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 300); |
| |
| // +------+ +------+ |
| // |S | | | |
| // | | --> | | |
| // | | | | |
| // +-+------+---+ | | |
| // | | | | |
| // +------------+ +------+ |
| // |
| for (int offsetLeft = 10; offsetLeft >= 0; offsetLeft -= 10) |
| { |
| for (int offsetRight = 10; offsetRight >= 0; offsetRight -= 10) |
| { |
| const gl::Rectangle extend4(-offsetLeft, 200, 100 + offsetLeft + offsetRight, 100); |
| |
| gl::ExtendRectangle(source, extend4, &result); |
| ASSERT_EQ(result.x0(), 0) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.y0(), 0) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.x1(), 100) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.y1(), 300) << offsetLeft << " " << offsetRight; |
| } |
| } |
| |
| // Similar to extend4, but with the second rectangle on the top, left and right. |
| for (int offsetLeft = 10; offsetLeft >= 0; offsetLeft -= 10) |
| { |
| for (int offsetRight = 10; offsetRight >= 0; offsetRight -= 10) |
| { |
| const gl::Rectangle extend4(-offsetLeft, -100, 100 + offsetLeft + offsetRight, 100); |
| |
| gl::ExtendRectangle(source, extend4, &result); |
| ASSERT_EQ(result.x0(), 0) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.y0(), -100) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.x1(), 100) << offsetLeft << " " << offsetRight; |
| ASSERT_EQ(result.y1(), 200) << offsetLeft << " " << offsetRight; |
| } |
| } |
| for (int offsetTop = 10; offsetTop >= 0; offsetTop -= 10) |
| { |
| for (int offsetBottom = 10; offsetBottom >= 0; offsetBottom -= 10) |
| { |
| const gl::Rectangle extend4(-50, -offsetTop, 50, 200 + offsetTop + offsetBottom); |
| |
| gl::ExtendRectangle(source, extend4, &result); |
| ASSERT_EQ(result.x0(), -50) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.y0(), 0) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.x1(), 100) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.y1(), 200) << offsetTop << " " << offsetBottom; |
| } |
| } |
| for (int offsetTop = 10; offsetTop >= 0; offsetTop -= 10) |
| { |
| for (int offsetBottom = 10; offsetBottom >= 0; offsetBottom -= 10) |
| { |
| const gl::Rectangle extend4(100, -offsetTop, 50, 200 + offsetTop + offsetBottom); |
| |
| gl::ExtendRectangle(source, extend4, &result); |
| ASSERT_EQ(result.x0(), 0) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.y0(), 0) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.x1(), 150) << offsetTop << " " << offsetBottom; |
| ASSERT_EQ(result.y1(), 200) << offsetTop << " " << offsetBottom; |
| } |
| } |
| |
| // +------+ +------+ |
| // |S | | | |
| // | | --> | | |
| // | | | | |
| // +------+ +------+ |
| // +------------+ |
| // | | |
| // +------------+ |
| // |
| const gl::Rectangle extend5(-10, 201, 120, 100); |
| |
| gl::ExtendRectangle(source, extend5, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| // Similar to extend5, but with the second rectangle on the top, left and right. |
| const gl::Rectangle extend6(-10, -101, 120, 100); |
| |
| gl::ExtendRectangle(source, extend6, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| const gl::Rectangle extend7(-101, -10, 100, 220); |
| |
| gl::ExtendRectangle(source, extend7, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| const gl::Rectangle extend8(101, -10, 100, 220); |
| |
| gl::ExtendRectangle(source, extend8, &result); |
| ASSERT_EQ(result.x0(), 0); |
| ASSERT_EQ(result.y0(), 0); |
| ASSERT_EQ(result.x1(), 100); |
| ASSERT_EQ(result.y1(), 200); |
| |
| // +-------------+ +-------------+ |
| // | +------+ | | | |
| // | |S | | | | |
| // | | | | --> | | |
| // | | | | | | |
| // | +------+ | | | |
| // +-------------+ +-------------+ |
| // |
| const gl::Rectangle extend9(-100, -100, 300, 400); |
| |
| gl::ExtendRectangle(source, extend9, &result); |
| ASSERT_EQ(result.x0(), -100); |
| ASSERT_EQ(result.y0(), -100); |
| ASSERT_EQ(result.x1(), 200); |
| ASSERT_EQ(result.y1(), 300); |
| } |
| |
| } // namespace angle |
