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|
//
// 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.mAllColorMask, 0xFu);
ASSERT_EQ(blendStateExt.mMaxEquationMask, 0xFFu);
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.mAllColorMask, is64Bit ? 0x0F0F0F0Fu : 0xFFFFu);
ASSERT_EQ(blendStateExt.mMaxEquationMask, 0xFFFFFFFFu);
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.mAllColorMask, is64Bit ? 0x0F0F0F0F0F0F0F0Fu : 0xFFFFFFFFu);
ASSERT_EQ(blendStateExt.mMaxEquationMask, 0xFFFFFFFFFFFFFFFFu);
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 that all-enabled color mask correctly compares with the current color mask
TEST(BlendStateExt, MaxColorMask)
{
gl::BlendStateExt blendStateExt = gl::BlendStateExt(4);
blendStateExt.setColorMaskIndexed(2, true, false, true, false);
const gl::DrawBufferMask diff = blendStateExt.compareColorMask(blendStateExt.mAllColorMask);
ASSERT_EQ(diff.to_ulong(), 4u);
}
// Test blend equations manipulations
TEST(BlendStateExt, BlendEquations)
{
gl::BlendStateExt blendStateExt = gl::BlendStateExt(7);
blendStateExt.setEquations(GL_MIN, GL_FUNC_SUBTRACT);
ASSERT_EQ(blendStateExt.mEquationColor, 0x01010101010101u);
ASSERT_EQ(blendStateExt.mEquationAlpha, 0x04040404040404u);
blendStateExt.setEquationsIndexed(3, GL_MAX, GL_FUNC_SUBTRACT);
blendStateExt.setEquationsIndexed(5, GL_MIN, GL_FUNC_ADD);
ASSERT_EQ(blendStateExt.mEquationColor, 0x01010102010101u);
ASSERT_EQ(blendStateExt.mEquationAlpha, 0x04000404040404u);
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, 0x01010101010101u);
ASSERT_EQ(otherEquationAlpha, 0x04040404040404u);
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
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