| // |
| // Copyright 2017 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. |
| // |
| // RobustResourceInitTest: Tests for GL_ANGLE_robust_resource_initialization. |
| |
| #include "test_utils/ANGLETest.h" |
| |
| #include "test_utils/gl_raii.h" |
| #include "util/EGLWindow.h" |
| |
| namespace angle |
| { |
| constexpr char kSimpleTextureVertexShader[] = |
| "#version 300 es\n" |
| "in vec4 position;\n" |
| "out vec2 texcoord;\n" |
| "void main()\n" |
| "{\n" |
| " gl_Position = position;\n" |
| " texcoord = vec2(position.xy * 0.5 - 0.5);\n" |
| "}"; |
| |
| // TODO(jmadill): Would be useful in a shared place in a utils folder. |
| void UncompressDXTBlock(int destX, |
| int destY, |
| int destWidth, |
| const std::vector<uint8_t> &src, |
| int srcOffset, |
| GLenum format, |
| std::vector<GLColor> *colorsOut) |
| { |
| auto make565 = [src](int offset) { |
| return static_cast<int>(src[offset + 0]) + static_cast<int>(src[offset + 1]) * 256; |
| }; |
| auto make8888From565 = [](int c) { |
| return GLColor( |
| static_cast<GLubyte>(floor(static_cast<float>((c >> 11) & 0x1F) * (255.0f / 31.0f))), |
| static_cast<GLubyte>(floor(static_cast<float>((c >> 5) & 0x3F) * (255.0f / 63.0f))), |
| static_cast<GLubyte>(floor(static_cast<float>((c >> 0) & 0x1F) * (255.0f / 31.0f))), |
| 255); |
| }; |
| auto mix = [](int mult, GLColor c0, GLColor c1, float div) { |
| GLColor r = GLColor::transparentBlack; |
| for (int ii = 0; ii < 4; ++ii) |
| { |
| r[ii] = static_cast<GLubyte>(floor(static_cast<float>(c0[ii] * mult + c1[ii]) / div)); |
| } |
| return r; |
| }; |
| bool isDXT1 = |
| (format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT) || (format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT); |
| int colorOffset = srcOffset + (isDXT1 ? 0 : 8); |
| int color0 = make565(colorOffset + 0); |
| int color1 = make565(colorOffset + 2); |
| bool c0gtc1 = color0 > color1 || !isDXT1; |
| GLColor rgba0 = make8888From565(color0); |
| GLColor rgba1 = make8888From565(color1); |
| std::array<GLColor, 4> colors = {{rgba0, rgba1, |
| c0gtc1 ? mix(2, rgba0, rgba1, 3) : mix(1, rgba0, rgba1, 2), |
| c0gtc1 ? mix(2, rgba1, rgba0, 3) : GLColor::black}}; |
| |
| // Original comment preserved below for posterity: |
| // "yea I know there is a lot of math in this inner loop. so sue me." |
| for (int yy = 0; yy < 4; ++yy) |
| { |
| uint8_t pixels = src[colorOffset + 4 + yy]; |
| for (int xx = 0; xx < 4; ++xx) |
| { |
| uint8_t code = (pixels >> (xx * 2)) & 0x3; |
| GLColor srcColor = colors[code]; |
| uint8_t alpha = 0; |
| switch (format) |
| { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| alpha = 255; |
| break; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| alpha = (code == 3 && !c0gtc1) ? 0 : 255; |
| break; |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| { |
| uint8_t alpha0 = src[srcOffset + yy * 2 + (xx >> 1)]; |
| uint8_t alpha1 = (alpha0 >> ((xx % 2) * 4)) & 0xF; |
| alpha = alpha1 | (alpha1 << 4); |
| } |
| break; |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| { |
| uint8_t alpha0 = src[srcOffset + 0]; |
| uint8_t alpha1 = src[srcOffset + 1]; |
| int alphaOff = (yy >> 1) * 3 + 2; |
| uint32_t alphaBits = |
| static_cast<uint32_t>(src[srcOffset + alphaOff + 0]) + |
| static_cast<uint32_t>(src[srcOffset + alphaOff + 1]) * 256 + |
| static_cast<uint32_t>(src[srcOffset + alphaOff + 2]) * 65536; |
| int alphaShift = (yy % 2) * 12 + xx * 3; |
| uint8_t alphaCode = static_cast<uint8_t>((alphaBits >> alphaShift) & 0x7); |
| if (alpha0 > alpha1) |
| { |
| switch (alphaCode) |
| { |
| case 0: |
| alpha = alpha0; |
| break; |
| case 1: |
| alpha = alpha1; |
| break; |
| default: |
| // TODO(jmadill): fix rounding |
| alpha = ((8 - alphaCode) * alpha0 + (alphaCode - 1) * alpha1) / 7; |
| break; |
| } |
| } |
| else |
| { |
| switch (alphaCode) |
| { |
| case 0: |
| alpha = alpha0; |
| break; |
| case 1: |
| alpha = alpha1; |
| break; |
| case 6: |
| alpha = 0; |
| break; |
| case 7: |
| alpha = 255; |
| break; |
| default: |
| // TODO(jmadill): fix rounding |
| alpha = ((6 - alphaCode) * alpha0 + (alphaCode - 1) * alpha1) / 5; |
| break; |
| } |
| } |
| } |
| break; |
| default: |
| ASSERT_FALSE(true); |
| break; |
| } |
| int dstOff = ((destY + yy) * destWidth + destX + xx); |
| (*colorsOut)[dstOff] = GLColor(srcColor[0], srcColor[1], srcColor[2], alpha); |
| } |
| } |
| } |
| |
| int GetBlockSize(GLenum format) |
| { |
| bool isDXT1 = |
| format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; |
| return isDXT1 ? 8 : 16; |
| } |
| |
| std::vector<GLColor> UncompressDXTIntoSubRegion(int width, |
| int height, |
| int subX0, |
| int subY0, |
| int subWidth, |
| int subHeight, |
| const std::vector<uint8_t> &data, |
| GLenum format) |
| { |
| std::vector<GLColor> dest(width * height, GLColor::transparentBlack); |
| |
| if ((width % 4) != 0 || (height % 4) != 0 || (subX0 % 4) != 0 || (subY0 % 4) != 0 || |
| (subWidth % 4) != 0 || (subHeight % 4) != 0) |
| { |
| std::cout << "Implementation error in UncompressDXTIntoSubRegion."; |
| return dest; |
| } |
| |
| int blocksAcross = subWidth / 4; |
| int blocksDown = subHeight / 4; |
| int blockSize = GetBlockSize(format); |
| for (int yy = 0; yy < blocksDown; ++yy) |
| { |
| for (int xx = 0; xx < blocksAcross; ++xx) |
| { |
| UncompressDXTBlock(subX0 + xx * 4, subY0 + yy * 4, width, data, |
| (yy * blocksAcross + xx) * blockSize, format, &dest); |
| } |
| } |
| return dest; |
| } |
| |
| class RobustResourceInitTest : public ANGLETest |
| { |
| protected: |
| constexpr static int kWidth = 128; |
| constexpr static int kHeight = 128; |
| |
| RobustResourceInitTest() |
| { |
| setWindowWidth(kWidth); |
| setWindowHeight(kHeight); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| setConfigDepthBits(24); |
| setConfigStencilBits(8); |
| |
| setRobustResourceInit(true); |
| |
| // Test flakiness was noticed when reusing displays. |
| forceNewDisplay(); |
| } |
| |
| bool hasGLExtension() |
| { |
| return IsGLExtensionEnabled("GL_ANGLE_robust_resource_initialization"); |
| } |
| |
| bool hasEGLExtension() |
| { |
| return IsEGLDisplayExtensionEnabled(getEGLWindow()->getDisplay(), |
| "EGL_ANGLE_robust_resource_initialization"); |
| } |
| |
| bool hasRobustSurfaceInit() |
| { |
| if (!hasEGLExtension()) |
| { |
| return false; |
| } |
| |
| EGLint robustSurfaceInit = EGL_FALSE; |
| eglQuerySurface(getEGLWindow()->getDisplay(), getEGLWindow()->getSurface(), |
| EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, &robustSurfaceInit); |
| return robustSurfaceInit; |
| } |
| |
| void setupTexture(GLTexture *tex); |
| void setup3DTexture(GLTexture *tex); |
| |
| // Checks for uninitialized (non-zero pixels) in a Texture. |
| void checkNonZeroPixels(GLTexture *texture, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip); |
| void checkNonZeroPixels3D(GLTexture *texture, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| int textureLayer, |
| const GLColor &skip); |
| void checkFramebufferNonZeroPixels(int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip); |
| |
| void checkCustomFramebufferNonZeroPixels(int fboWidth, |
| int fboHeight, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip); |
| |
| static std::string GetSimpleTextureFragmentShader(const char *samplerType) |
| { |
| std::stringstream fragmentStream; |
| fragmentStream << "#version 300 es\n" |
| "precision mediump " |
| << samplerType |
| << "sampler2D;\n" |
| "precision mediump float;\n" |
| "out " |
| << samplerType |
| << "vec4 color;\n" |
| "in vec2 texcoord;\n" |
| "uniform " |
| << samplerType |
| << "sampler2D tex;\n" |
| "void main()\n" |
| "{\n" |
| " color = texture(tex, texcoord);\n" |
| "}"; |
| return fragmentStream.str(); |
| } |
| |
| template <typename ClearFunc> |
| void maskedDepthClear(ClearFunc clearFunc); |
| |
| template <typename ClearFunc> |
| void maskedStencilClear(ClearFunc clearFunc); |
| }; |
| |
| class RobustResourceInitTestES3 : public RobustResourceInitTest |
| { |
| protected: |
| template <typename PixelT> |
| void testIntegerTextureInit(const char *samplerType, |
| GLenum internalFormatRGBA, |
| GLenum internalFormatRGB, |
| GLenum type); |
| }; |
| |
| class RobustResourceInitTestES31 : public RobustResourceInitTest |
| {}; |
| |
| // Robust resource initialization is not based on hardware support or native extensions, check that |
| // it only works on the implemented renderers |
| TEST_P(RobustResourceInitTest, ExpectedRendererSupport) |
| { |
| bool shouldHaveSupport = |
| IsD3D11() || IsD3D11_FL93() || IsD3D9() || IsOpenGL() || IsOpenGLES() || IsVulkan(); |
| EXPECT_EQ(shouldHaveSupport, hasGLExtension()); |
| EXPECT_EQ(shouldHaveSupport, hasEGLExtension()); |
| EXPECT_EQ(shouldHaveSupport, hasRobustSurfaceInit()); |
| } |
| |
| // Tests of the GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE query. |
| TEST_P(RobustResourceInitTest, Queries) |
| { |
| // If context extension string exposed, check queries. |
| if (IsGLExtensionEnabled("GL_ANGLE_robust_resource_initialization")) |
| { |
| GLboolean enabled = 0; |
| glGetBooleanv(GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, &enabled); |
| EXPECT_GL_TRUE(enabled); |
| |
| EXPECT_GL_TRUE(glIsEnabled(GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE)); |
| EXPECT_GL_NO_ERROR(); |
| } |
| else |
| { |
| // Querying robust resource init should return INVALID_ENUM. |
| GLboolean enabled = 0; |
| glGetBooleanv(GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, &enabled); |
| EXPECT_GL_ERROR(GL_INVALID_ENUM); |
| } |
| } |
| |
| // Tests that buffers start zero-filled if the data pointer is null. |
| TEST_P(RobustResourceInitTest, BufferData) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLBuffer buffer; |
| glBindBuffer(GL_ARRAY_BUFFER, buffer); |
| glBufferData(GL_ARRAY_BUFFER, getWindowWidth() * getWindowHeight() * sizeof(GLfloat), nullptr, |
| GL_STATIC_DRAW); |
| |
| constexpr char kVS[] = |
| "attribute vec2 position;\n" |
| "attribute float testValue;\n" |
| "varying vec4 colorOut;\n" |
| "void main() {\n" |
| " gl_Position = vec4(position, 0, 1);\n" |
| " colorOut = testValue == 0.0 ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);\n" |
| "}"; |
| constexpr char kFS[] = |
| "varying mediump vec4 colorOut;\n" |
| "void main() {\n" |
| " gl_FragColor = colorOut;\n" |
| "}"; |
| |
| ANGLE_GL_PROGRAM(program, kVS, kFS); |
| |
| GLint testValueLoc = glGetAttribLocation(program.get(), "testValue"); |
| ASSERT_NE(-1, testValueLoc); |
| |
| glBindBuffer(GL_ARRAY_BUFFER, buffer); |
| glVertexAttribPointer(testValueLoc, 1, GL_FLOAT, GL_FALSE, 4, nullptr); |
| glEnableVertexAttribArray(testValueLoc); |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| |
| drawQuad(program.get(), "position", 0.5f); |
| |
| ASSERT_GL_NO_ERROR(); |
| |
| std::vector<GLColor> expected(getWindowWidth() * getWindowHeight(), GLColor::green); |
| std::vector<GLColor> actual(getWindowWidth() * getWindowHeight()); |
| glReadPixels(0, 0, getWindowWidth(), getWindowHeight(), GL_RGBA, GL_UNSIGNED_BYTE, |
| actual.data()); |
| EXPECT_EQ(expected, actual); |
| } |
| |
| // Regression test for passing a zero size init buffer with the extension. |
| TEST_P(RobustResourceInitTest, BufferDataZeroSize) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLBuffer buffer; |
| glBindBuffer(GL_ARRAY_BUFFER, buffer); |
| glBufferData(GL_ARRAY_BUFFER, 0, nullptr, GL_STATIC_DRAW); |
| } |
| |
| // The following test code translated from WebGL 1 test: |
| // https://www.khronos.org/registry/webgl/sdk/tests/conformance/misc/uninitialized-test.html |
| void RobustResourceInitTest::setupTexture(GLTexture *tex) |
| { |
| GLuint tempTexture; |
| glGenTextures(1, &tempTexture); |
| glBindTexture(GL_TEXTURE_2D, tempTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| // this can be quite undeterministic so to improve odds of seeing uninitialized data write bits |
| // into tex then delete texture then re-create one with same characteristics (driver will likely |
| // reuse mem) with this trick on r59046 WebKit/OSX I get FAIL 100% of the time instead of ~15% |
| // of the time. |
| |
| std::array<uint8_t, kWidth * kHeight * 4> badData; |
| for (size_t i = 0; i < badData.size(); ++i) |
| { |
| badData[i] = static_cast<uint8_t>(i % 255); |
| } |
| |
| glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kWidth, kHeight, GL_RGBA, GL_UNSIGNED_BYTE, |
| badData.data()); |
| glDeleteTextures(1, &tempTexture); |
| |
| // This will create the GLTexture. |
| glBindTexture(GL_TEXTURE_2D, *tex); |
| } |
| |
| void RobustResourceInitTest::setup3DTexture(GLTexture *tex) |
| { |
| GLuint tempTexture; |
| glGenTextures(1, &tempTexture); |
| glBindTexture(GL_TEXTURE_3D, tempTexture); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA, kWidth, kHeight, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| |
| // this can be quite undeterministic so to improve odds of seeing uninitialized data write bits |
| // into tex then delete texture then re-create one with same characteristics (driver will likely |
| // reuse mem) with this trick on r59046 WebKit/OSX I get FAIL 100% of the time instead of ~15% |
| // of the time. |
| |
| std::array<uint8_t, kWidth * kHeight * 2 * 4> badData; |
| for (size_t i = 0; i < badData.size(); ++i) |
| { |
| badData[i] = static_cast<uint8_t>(i % 255); |
| } |
| |
| glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0, kWidth, kHeight, 2, GL_RGBA, GL_UNSIGNED_BYTE, |
| badData.data()); |
| glDeleteTextures(1, &tempTexture); |
| |
| // This will create the GLTexture. |
| glBindTexture(GL_TEXTURE_3D, *tex); |
| } |
| |
| void RobustResourceInitTest::checkNonZeroPixels(GLTexture *texture, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip) |
| { |
| glBindTexture(GL_TEXTURE_2D, 0); |
| GLFramebuffer fb; |
| glBindFramebuffer(GL_FRAMEBUFFER, fb); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->get(), 0); |
| EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| checkFramebufferNonZeroPixels(skipX, skipY, skipWidth, skipHeight, skip); |
| } |
| |
| void RobustResourceInitTest::checkNonZeroPixels3D(GLTexture *texture, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| int textureLayer, |
| const GLColor &skip) |
| { |
| glBindTexture(GL_TEXTURE_3D, 0); |
| GLFramebuffer fb; |
| glBindFramebuffer(GL_FRAMEBUFFER, fb); |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture->get(), 0, |
| textureLayer); |
| EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| checkFramebufferNonZeroPixels(skipX, skipY, skipWidth, skipHeight, skip); |
| } |
| |
| void RobustResourceInitTest::checkFramebufferNonZeroPixels(int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip) |
| { |
| checkCustomFramebufferNonZeroPixels(kWidth, kHeight, skipX, skipY, skipWidth, skipHeight, skip); |
| } |
| |
| void RobustResourceInitTest::checkCustomFramebufferNonZeroPixels(int fboWidth, |
| int fboHeight, |
| int skipX, |
| int skipY, |
| int skipWidth, |
| int skipHeight, |
| const GLColor &skip) |
| { |
| std::vector<GLColor> data(fboWidth * fboHeight); |
| glReadPixels(0, 0, fboWidth, fboHeight, GL_RGBA, GL_UNSIGNED_BYTE, data.data()); |
| |
| int k = 0; |
| for (int y = 0; y < fboHeight; ++y) |
| { |
| for (int x = 0; x < fboWidth; ++x) |
| { |
| int index = (y * fboWidth + x); |
| if (x >= skipX && x < skipX + skipWidth && y >= skipY && y < skipY + skipHeight) |
| { |
| ASSERT_EQ(skip, data[index]) << " at pixel " << x << ", " << y; |
| } |
| else |
| { |
| k += (data[index] != GLColor::transparentBlack) ? 1 : 0; |
| } |
| } |
| } |
| |
| EXPECT_EQ(0, k); |
| } |
| |
| // Reading an uninitialized texture (texImage2D) should succeed with all bytes set to 0. |
| TEST_P(RobustResourceInitTest, ReadingUninitializedTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLTexture tex; |
| setupTexture(&tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| checkNonZeroPixels(&tex, 0, 0, 0, 0, GLColor::transparentBlack); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Test that calling glTexImage2D multiple times with the same size and no data resets all texture |
| // data |
| TEST_P(RobustResourceInitTest, ReuploadingClearsTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // crbug.com/826576 |
| ANGLE_SKIP_TEST_IF(IsOSX() && IsNVIDIA() && IsDesktopOpenGL()); |
| |
| // Put some data into the texture |
| std::array<GLColor, kWidth * kHeight> data; |
| data.fill(GLColor::white); |
| |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| data.data()); |
| |
| // Reset the texture |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| checkNonZeroPixels(&tex, 0, 0, 0, 0, GLColor::transparentBlack); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Cover the case where null pixel data is uploaded to a texture and then sub image is used to |
| // upload partial data |
| TEST_P(RobustResourceInitTest, TexImageThenSubImage) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2407, but only fails on Nexus devices |
| ANGLE_SKIP_TEST_IF((IsNexus5X() || IsNexus6P()) && IsOpenGLES()); |
| |
| // Put some data into the texture |
| |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| // Force the D3D texture to create a storage |
| checkNonZeroPixels(&tex, 0, 0, 0, 0, GLColor::transparentBlack); |
| |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| std::array<GLColor, kWidth * kHeight> data; |
| data.fill(GLColor::white); |
| |
| glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kWidth / 2, kHeight / 2, GL_RGBA, GL_UNSIGNED_BYTE, |
| data.data()); |
| checkNonZeroPixels(&tex, 0, 0, kWidth / 2, kHeight / 2, GLColor::white); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Reading an uninitialized texture (texImage3D) should succeed with all bytes set to 0. |
| TEST_P(RobustResourceInitTestES3, ReadingUninitialized3DTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLTexture tex; |
| setup3DTexture(&tex); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA, kWidth, kHeight, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| checkNonZeroPixels3D(&tex, 0, 0, 0, 0, 0, GLColor::transparentBlack); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Copy of the copytexsubimage3d_texture_wrongly_initialized test that is part of the WebGL2 |
| // conformance suite: copy-texture-image-webgl-specific.html |
| TEST_P(RobustResourceInitTestES3, CopyTexSubImage3DTextureWronglyInitialized) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr GLint kTextureLayer = 0; |
| constexpr GLint kTextureWidth = 2; |
| constexpr GLint kTextureHeight = 2; |
| constexpr GLint kTextureDepth = 2; |
| constexpr size_t kTextureDataSize = kTextureWidth * kTextureHeight * 4; |
| |
| GLTexture texture2D; |
| glBindTexture(GL_TEXTURE_2D, texture2D); |
| constexpr std::array<uint8_t, kTextureDataSize> data = {{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, |
| 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, |
| 0x0D, 0x0E, 0x0F, 0x10}}; |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kTextureWidth, kTextureHeight, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, data.data()); |
| |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture2D, 0); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| GLTexture texture3D; |
| glBindTexture(GL_TEXTURE_3D, texture3D); |
| glTexStorage3D(GL_TEXTURE_3D, 1, GL_RGBA8, kTextureWidth, kTextureHeight, kTextureDepth); |
| glCopyTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, kTextureLayer, 0, 0, kTextureWidth, kTextureHeight); |
| |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture3D, 0, kTextureLayer); |
| std::array<uint8_t, kTextureDataSize> pixels; |
| glReadPixels(0, 0, kTextureWidth, kTextureHeight, GL_RGBA, GL_UNSIGNED_BYTE, pixels.data()); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_EQ(data, pixels); |
| } |
| |
| // Test that binding an EGL surface to a texture does not cause it to be cleared. |
| TEST_P(RobustResourceInitTestES3, BindTexImage) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| EGLWindow *window = getEGLWindow(); |
| EGLSurface surface = window->getSurface(); |
| EGLDisplay display = window->getDisplay(); |
| EGLConfig config = window->getConfig(); |
| EGLContext context = window->getContext(); |
| |
| EGLint surfaceType = 0; |
| eglGetConfigAttrib(display, config, EGL_SURFACE_TYPE, &surfaceType); |
| // Test skipped because EGL config cannot be used to create pbuffers. |
| ANGLE_SKIP_TEST_IF((surfaceType & EGL_PBUFFER_BIT) == 0); |
| |
| EGLint bindToSurfaceRGBA = 0; |
| eglGetConfigAttrib(display, config, EGL_BIND_TO_TEXTURE_RGBA, &bindToSurfaceRGBA); |
| // Test skipped because EGL config cannot be used to create pbuffers. |
| ANGLE_SKIP_TEST_IF(bindToSurfaceRGBA == EGL_FALSE); |
| |
| EGLint attribs[] = { |
| EGL_WIDTH, 32, |
| EGL_HEIGHT, 32, |
| EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA, |
| EGL_TEXTURE_TARGET, EGL_TEXTURE_2D, |
| EGL_NONE, |
| }; |
| |
| EGLSurface pbuffer = eglCreatePbufferSurface(display, config, attribs); |
| ASSERT_NE(EGL_NO_SURFACE, pbuffer); |
| |
| // Clear the pbuffer |
| eglMakeCurrent(display, pbuffer, pbuffer, context); |
| GLColor clearColor = GLColor::magenta; |
| glClearColor(clearColor.R, clearColor.G, clearColor.B, clearColor.A); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, clearColor); |
| |
| // Bind the pbuffer to a texture and read its color |
| eglMakeCurrent(display, surface, surface, context); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| eglBindTexImage(display, pbuffer, EGL_BACK_BUFFER); |
| |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); |
| if (glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE) |
| { |
| EXPECT_PIXEL_COLOR_EQ(0, 0, clearColor); |
| } |
| else |
| { |
| std::cout << "Read pixels check skipped because framebuffer was not complete." << std::endl; |
| } |
| |
| eglDestroySurface(display, pbuffer); |
| } |
| |
| // Tests that drawing with an uninitialized Texture works as expected. |
| TEST_P(RobustResourceInitTest, DrawWithTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| constexpr char kVS[] = |
| "attribute vec2 position;\n" |
| "varying vec2 texCoord;\n" |
| "void main() {\n" |
| " gl_Position = vec4(position, 0, 1);\n" |
| " texCoord = (position * 0.5) + 0.5;\n" |
| "}"; |
| constexpr char kFS[] = |
| "precision mediump float;\n" |
| "varying vec2 texCoord;\n" |
| "uniform sampler2D tex;\n" |
| "void main() {\n" |
| " gl_FragColor = texture2D(tex, texCoord);\n" |
| "}"; |
| |
| ANGLE_GL_PROGRAM(program, kVS, kFS); |
| drawQuad(program, "position", 0.5f); |
| |
| checkFramebufferNonZeroPixels(0, 0, 0, 0, GLColor::black); |
| } |
| |
| // Reading a partially initialized texture (texImage2D) should succeed with all uninitialized bytes |
| // set to 0 and initialized bytes untouched. |
| TEST_P(RobustResourceInitTest, ReadingPartiallyInitializedTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2407, but only fails on Nexus devices |
| ANGLE_SKIP_TEST_IF((IsNexus5X() || IsNexus6P()) && IsOpenGLES()); |
| |
| GLTexture tex; |
| setupTexture(&tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| GLColor data(108, 72, 36, 9); |
| glTexSubImage2D(GL_TEXTURE_2D, 0, kWidth / 2, kHeight / 2, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, |
| &data.R); |
| checkNonZeroPixels(&tex, kWidth / 2, kHeight / 2, 1, 1, data); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Uninitialized parts of textures initialized via copyTexImage2D should have all bytes set to 0. |
| TEST_P(RobustResourceInitTest, UninitializedPartsOfCopied2DTexturesAreBlack) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLTexture tex; |
| setupTexture(&tex); |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| GLRenderbuffer rbo; |
| glBindRenderbuffer(GL_RENDERBUFFER, rbo); |
| constexpr int fboWidth = 16; |
| constexpr int fboHeight = 16; |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, fboWidth, fboHeight); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rbo); |
| EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| glClearColor(1.0, 0.0, 0.0, 1.0); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_GL_NO_ERROR(); |
| glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 0, 0, kWidth, kHeight, 0); |
| checkNonZeroPixels(&tex, 0, 0, fboWidth, fboHeight, GLColor::red); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Reading an uninitialized portion of a texture (copyTexImage2D with negative x and y) should |
| // succeed with all bytes set to 0. Regression test for a bug where the zeroing out of the |
| // texture was done via the same code path as glTexImage2D, causing the PIXEL_UNPACK_BUFFER |
| // to be used. |
| TEST_P(RobustResourceInitTestES3, ReadingOutOfBoundsCopiedTextureWithUnpackBuffer) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| // TODO(geofflang@chromium.org): CopyTexImage from GL_RGBA4444 to GL_ALPHA fails when looking |
| // up which resulting format the texture should have. |
| ANGLE_SKIP_TEST_IF(IsOpenGL()); |
| |
| // GL_ALPHA texture can't be read with glReadPixels, for convenience this test uses |
| // glCopyTextureCHROMIUM to copy GL_ALPHA into GL_RGBA |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_CHROMIUM_copy_texture")); |
| |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| GLRenderbuffer rbo; |
| glBindRenderbuffer(GL_RENDERBUFFER, rbo); |
| constexpr int fboWidth = 16; |
| constexpr int fboHeight = 16; |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, fboWidth, fboHeight); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rbo); |
| EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| glClearColor(1.0, 0.0, 0.0, 1.0); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_GL_NO_ERROR(); |
| constexpr int x = -8; |
| constexpr int y = -8; |
| |
| GLBuffer buffer; |
| glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); |
| std::vector<GLColor> bunchOfGreen(fboWidth * fboHeight, GLColor::green); |
| glBufferData(GL_PIXEL_UNPACK_BUFFER, sizeof(bunchOfGreen), bunchOfGreen.data(), GL_STATIC_DRAW); |
| EXPECT_GL_NO_ERROR(); |
| |
| // Use non-multiple-of-4 dimensions to make sure unpack alignment is set in the backends |
| // (http://crbug.com/836131) |
| constexpr int kTextureWidth = 127; |
| constexpr int kTextureHeight = 127; |
| |
| // Use GL_ALPHA to force a CPU readback in the D3D11 backend |
| GLTexture texAlpha; |
| glBindTexture(GL_TEXTURE_2D, texAlpha); |
| glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, x, y, kTextureWidth, kTextureHeight, 0); |
| EXPECT_GL_NO_ERROR(); |
| |
| // GL_ALPHA cannot be glReadPixels, so copy into a GL_RGBA texture |
| GLTexture texRGBA; |
| glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); |
| setupTexture(&texRGBA); |
| glCopyTextureCHROMIUM(texAlpha, 0, GL_TEXTURE_2D, texRGBA, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| GL_FALSE, GL_FALSE, GL_FALSE); |
| EXPECT_GL_NO_ERROR(); |
| |
| checkNonZeroPixels(&texRGBA, -x, -y, fboWidth, fboHeight, GLColor(0, 0, 0, 255)); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Reading an uninitialized portion of a texture (copyTexImage2D with negative x and y) should |
| // succeed with all bytes set to 0. |
| TEST_P(RobustResourceInitTest, ReadingOutOfBoundsCopiedTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // Flaky failure on Linux / NV / Vulkan when run in a sequence. http://anglebug.com/3416 |
| ANGLE_SKIP_TEST_IF(IsVulkan() && IsNVIDIA() && IsLinux()); |
| // http://anglebug.com/4092 |
| ANGLE_SKIP_TEST_IF(IsWindows() && IsVulkan()); |
| |
| GLTexture tex; |
| setupTexture(&tex); |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| GLRenderbuffer rbo; |
| glBindRenderbuffer(GL_RENDERBUFFER, rbo); |
| constexpr int fboWidth = 16; |
| constexpr int fboHeight = 16; |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, fboWidth, fboHeight); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rbo); |
| EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| glClearColor(1.0, 0.0, 0.0, 1.0); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_GL_NO_ERROR(); |
| constexpr int x = -8; |
| constexpr int y = -8; |
| glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, x, y, kWidth, kHeight, 0); |
| checkNonZeroPixels(&tex, -x, -y, fboWidth, fboHeight, GLColor::red); |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Tests resources are initialized properly with multisample resolve. |
| TEST_P(RobustResourceInitTestES3, MultisampledDepthInitializedCorrectly) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2407 |
| ANGLE_SKIP_TEST_IF(IsAndroid() && IsOpenGLES()); |
| |
| ANGLE_GL_PROGRAM(program, essl1_shaders::vs::Simple(), essl1_shaders::fs::Red()); |
| |
| // Make the destination non-multisampled depth FBO. |
| GLTexture color; |
| glBindTexture(GL_TEXTURE_2D, color); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| GLRenderbuffer depth; |
| glBindRenderbuffer(GL_RENDERBUFFER, depth); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, kWidth, kHeight); |
| |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color, 0); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| glClearColor(0, 1, 0, 1); |
| glClearDepthf(0); |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::green); |
| |
| // Make the multisampled depth FBO. |
| GLRenderbuffer msDepth; |
| glBindRenderbuffer(GL_RENDERBUFFER, msDepth); |
| glRenderbufferStorageMultisample(GL_RENDERBUFFER, 4, GL_DEPTH_COMPONENT16, kWidth, kHeight); |
| |
| GLFramebuffer msFBO; |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, msFBO); |
| glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, msDepth); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_READ_FRAMEBUFFER)); |
| |
| // Multisample resolve. |
| glBlitFramebuffer(0, 0, kWidth, kHeight, 0, 0, kWidth, kHeight, GL_DEPTH_BUFFER_BIT, |
| GL_NEAREST); |
| ASSERT_GL_NO_ERROR(); |
| |
| // Test drawing with the resolved depth buffer. |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| glDepthMask(GL_FALSE); |
| glEnable(GL_DEPTH_TEST); |
| glDepthFunc(GL_EQUAL); |
| drawQuad(program, essl1_shaders::PositionAttrib(), 1.0f); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red); |
| } |
| |
| // Basic test that textures are initialized correctly. |
| TEST_P(RobustResourceInitTest, Texture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); |
| checkFramebufferNonZeroPixels(0, 0, 0, 0, GLColor::black); |
| } |
| |
| // Test that uploading texture data with an unpack state set correctly initializes the texture and |
| // the data is uploaded correctly. |
| TEST_P(RobustResourceInitTest, TextureWithUnpackState) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // GL_UNPACK_ROW_LENGTH requires ES 3.0 or GL_EXT_unpack_subimage |
| ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 && |
| !EnsureGLExtensionEnabled("GL_EXT_unpack_subimage")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| // Upload a 2x2 rect using GL_UNPACK_ROW_LENGTH=4 |
| GLColor colorData[8] = { |
| GLColor::green, GLColor::green, GLColor::red, GLColor::red, |
| GLColor::green, GLColor::green, GLColor::red, GLColor::red, |
| }; |
| glPixelStorei(GL_UNPACK_ROW_LENGTH, 4); |
| glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 2, 2, GL_RGBA, GL_UNSIGNED_BYTE, colorData); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); |
| |
| checkFramebufferNonZeroPixels(0, 0, 2, 2, GLColor::green); |
| } |
| |
| template <typename PixelT> |
| void RobustResourceInitTestES3::testIntegerTextureInit(const char *samplerType, |
| GLenum internalFormatRGBA, |
| GLenum internalFormatRGB, |
| GLenum type) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| std::string fs = GetSimpleTextureFragmentShader(samplerType); |
| |
| ANGLE_GL_PROGRAM(program, kSimpleTextureVertexShader, fs.c_str()); |
| |
| // Make an RGBA framebuffer. |
| GLTexture framebufferTexture; |
| glBindTexture(GL_TEXTURE_2D, framebufferTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, internalFormatRGBA, kWidth, kHeight, 0, GL_RGBA_INTEGER, type, |
| nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, framebufferTexture, |
| 0); |
| |
| // Make an RGB texture. |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexImage2D(GL_TEXTURE_2D, 0, internalFormatRGB, kWidth, kHeight, 0, GL_RGB_INTEGER, type, |
| nullptr); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| ASSERT_GL_NO_ERROR(); |
| |
| // Blit from the texture to the framebuffer. |
| drawQuad(program, "position", 0.5f); |
| |
| std::array<PixelT, kWidth * kHeight * 4> data; |
| glReadPixels(0, 0, kWidth, kHeight, GL_RGBA_INTEGER, type, data.data()); |
| |
| // Check the color channels are zero and the alpha channel is 1. |
| int incorrectPixels = 0; |
| for (int y = 0; y < kHeight; ++y) |
| { |
| for (int x = 0; x < kWidth; ++x) |
| { |
| int index = (y * kWidth + x) * 4; |
| bool correct = (data[index] == 0 && data[index + 1] == 0 && data[index + 2] == 0 && |
| data[index + 3] == 1); |
| incorrectPixels += (!correct ? 1 : 0); |
| } |
| } |
| |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_EQ(0, incorrectPixels); |
| } |
| |
| // Simple tests for integer formats that ANGLE must emulate on D3D11. |
| TEST_P(RobustResourceInitTestES3, TextureInit_UIntRGB8) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| testIntegerTextureInit<uint8_t>("u", GL_RGBA8UI, GL_RGB8UI, GL_UNSIGNED_BYTE); |
| } |
| |
| TEST_P(RobustResourceInitTestES3, TextureInit_UIntRGB32) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| testIntegerTextureInit<uint32_t>("u", GL_RGBA32UI, GL_RGB32UI, GL_UNSIGNED_INT); |
| } |
| |
| TEST_P(RobustResourceInitTestES3, TextureInit_IntRGB8) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| testIntegerTextureInit<int8_t>("i", GL_RGBA8I, GL_RGB8I, GL_BYTE); |
| } |
| |
| TEST_P(RobustResourceInitTestES3, TextureInit_IntRGB32) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| testIntegerTextureInit<int32_t>("i", GL_RGBA32I, GL_RGB32I, GL_INT); |
| } |
| |
| // Test that uninitialized image texture works well. |
| TEST_P(RobustResourceInitTestES31, ImageTextureInit_R32UI) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| constexpr char kCS[] = |
| R"(#version 310 es |
| layout(local_size_x=1, local_size_y=1, local_size_z=1) in; |
| layout(r32ui, binding = 1) writeonly uniform highp uimage2D writeImage; |
| void main() |
| { |
| imageStore(writeImage, ivec2(gl_LocalInvocationID.xy), uvec4(200u)); |
| })"; |
| |
| GLTexture texture; |
| // Don't upload data to texture. |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, 1, 1); |
| EXPECT_GL_NO_ERROR(); |
| |
| ANGLE_GL_COMPUTE_PROGRAM(program, kCS); |
| glUseProgram(program.get()); |
| |
| glBindImageTexture(1, texture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI); |
| |
| glDispatchCompute(1, 1, 1); |
| EXPECT_GL_NO_ERROR(); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); |
| |
| GLuint outputValue; |
| glReadPixels(0, 0, 1, 1, GL_RED_INTEGER, GL_UNSIGNED_INT, &outputValue); |
| EXPECT_GL_NO_ERROR(); |
| |
| EXPECT_EQ(200u, outputValue); |
| |
| outputValue = 0u; |
| // Write to another uninitialized texture. |
| GLTexture texture2; |
| glBindTexture(GL_TEXTURE_2D, texture2); |
| glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, 1, 1); |
| EXPECT_GL_NO_ERROR(); |
| glBindImageTexture(1, texture2, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI); |
| glDispatchCompute(1, 1, 1); |
| glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture2, 0); |
| glReadPixels(0, 0, 1, 1, GL_RED_INTEGER, GL_UNSIGNED_INT, &outputValue); |
| EXPECT_EQ(200u, outputValue); |
| } |
| |
| // Basic test that renderbuffers are initialized correctly. |
| TEST_P(RobustResourceInitTest, Renderbuffer) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| GLRenderbuffer renderbuffer; |
| glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, kWidth, kHeight); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, renderbuffer); |
| |
| checkFramebufferNonZeroPixels(0, 0, 0, 0, GLColor::black); |
| } |
| |
| // Tests creating mipmaps with robust resource init. |
| TEST_P(RobustResourceInitTestES3, GenerateMipmap) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr GLint kTextureSize = 16; |
| |
| // Initialize a 16x16 RGBA8 texture with no data. |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kTextureSize, kTextureSize, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, nullptr); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| std::string shader = GetSimpleTextureFragmentShader(""); |
| ANGLE_GL_PROGRAM(program, kSimpleTextureVertexShader, shader.c_str()); |
| |
| // Generate mipmaps and verify all the mips. |
| glGenerateMipmap(GL_TEXTURE_2D); |
| ASSERT_GL_NO_ERROR(); |
| |
| // Validate a small texture. |
| glClearColor(1, 0, 0, 1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red); |
| |
| // Set viewport to resize the texture and draw. |
| glViewport(0, 0, 2, 2); |
| drawQuad(program, "position", 0.5f); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::transparentBlack); |
| } |
| |
| // Tests creating mipmaps for cube maps with robust resource init. |
| TEST_P(RobustResourceInitTestES3, GenerateMipmapCubeMap) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr GLint kTextureSize = 16; |
| constexpr GLint kTextureLevels = 5; |
| |
| // Initialize a 16x16 RGBA8 texture with no data. |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_CUBE_MAP, tex); |
| for (GLenum target = GL_TEXTURE_CUBE_MAP_POSITIVE_X; target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; |
| ++target) |
| { |
| glTexImage2D(target, 0, GL_RGBA, kTextureSize, kTextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| } |
| glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST); |
| glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| // Generate mipmaps and verify all the mips. |
| glGenerateMipmap(GL_TEXTURE_CUBE_MAP); |
| ASSERT_GL_NO_ERROR(); |
| |
| GLFramebuffer fbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, fbo); |
| for (GLenum target = GL_TEXTURE_CUBE_MAP_POSITIVE_X; target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; |
| ++target) |
| { |
| for (GLint level = 0; level < kTextureLevels; ++level) |
| { |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target, tex, level); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::transparentBlack); |
| } |
| } |
| } |
| |
| // Test blitting a framebuffer out-of-bounds. Multiple iterations. |
| TEST_P(RobustResourceInitTestES3, BlitFramebufferOutOfBounds) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2408 |
| ANGLE_SKIP_TEST_IF(IsOSX() && IsAMD()); |
| |
| // Initiate data to read framebuffer |
| constexpr int size = 8; |
| constexpr GLenum readbufferFormat = GL_RGBA8; |
| constexpr GLenum drawbufferFormat = GL_RGBA8; |
| constexpr GLenum filter = GL_NEAREST; |
| |
| std::vector<GLColor> readColors(size * size, GLColor::yellow); |
| |
| // Create read framebuffer and feed data to read buffer |
| // Read buffer may have srgb image |
| GLTexture tex_read; |
| glBindTexture(GL_TEXTURE_2D, tex_read); |
| glTexImage2D(GL_TEXTURE_2D, 0, readbufferFormat, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| readColors.data()); |
| |
| GLFramebuffer fbo_read; |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_read); |
| glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex_read, 0); |
| |
| // Create draw framebuffer. Color in draw buffer is initialized to 0. |
| // Draw buffer may have srgb image |
| GLTexture tex_draw; |
| glBindTexture(GL_TEXTURE_2D, tex_draw); |
| glTexImage2D(GL_TEXTURE_2D, 0, drawbufferFormat, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| |
| GLFramebuffer fbo_draw; |
| glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_draw); |
| glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex_draw, 0); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_READ_FRAMEBUFFER)); |
| |
| using Region = std::array<int, 4>; |
| |
| struct Test |
| { |
| constexpr Test(const Region &read, const Region &draw, const Region &real) |
| : readRegion(read), drawRegion(draw), realRegion(real) |
| {} |
| |
| Region readRegion; |
| Region drawRegion; |
| Region realRegion; |
| }; |
| |
| constexpr std::array<Test, 2> tests = {{ |
| // only src region is out-of-bounds, dst region has different width/height as src region. |
| {{{-2, -2, 4, 4}}, {{1, 1, 4, 4}}, {{2, 2, 4, 4}}}, |
| // only src region is out-of-bounds, dst region has the same width/height as src region. |
| {{{-2, -2, 4, 4}}, {{1, 1, 7, 7}}, {{3, 3, 7, 7}}}, |
| }}; |
| |
| // Blit read framebuffer to the image in draw framebuffer. |
| for (const auto &test : tests) |
| { |
| // both the read framebuffer and draw framebuffer bounds are [0, 0, 8, 8] |
| // blitting from src region to dst region |
| glBindTexture(GL_TEXTURE_2D, tex_draw); |
| glTexImage2D(GL_TEXTURE_2D, 0, drawbufferFormat, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| |
| const auto &read = test.readRegion; |
| const auto &draw = test.drawRegion; |
| const auto &real = test.realRegion; |
| |
| glBlitFramebuffer(read[0], read[1], read[2], read[3], draw[0], draw[1], draw[2], draw[3], |
| GL_COLOR_BUFFER_BIT, filter); |
| |
| // Read pixels and check the correctness. |
| std::vector<GLColor> pixels(size * size); |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_draw); |
| glPixelStorei(GL_PACK_ROW_LENGTH, 0); |
| glReadPixels(0, 0, size, size, GL_RGBA, GL_UNSIGNED_BYTE, pixels.data()); |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_read); |
| ASSERT_GL_NO_ERROR(); |
| |
| for (int ii = 0; ii < size; ++ii) |
| { |
| for (int jj = 0; jj < size; ++jj) |
| { |
| GLColor expectedColor = GLColor::transparentBlack; |
| if (ii >= real[0] && ii < real[2] && jj >= real[1] && jj < real[3]) |
| { |
| expectedColor = GLColor::yellow; |
| } |
| |
| int loc = ii * size + jj; |
| EXPECT_EQ(expectedColor, pixels[loc]) << " at [" << jj << ", " << ii << "]"; |
| } |
| } |
| } |
| } |
| |
| template <typename ClearFunc> |
| void RobustResourceInitTest::maskedDepthClear(ClearFunc clearFunc) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr int kSize = 16; |
| |
| // Initialize a FBO with depth and simple color. |
| GLRenderbuffer depthbuffer; |
| glBindRenderbuffer(GL_RENDERBUFFER, depthbuffer); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, kSize, kSize); |
| |
| GLTexture colorbuffer; |
| glBindTexture(GL_TEXTURE_2D, colorbuffer); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kSize, kSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorbuffer, 0); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthbuffer); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Disable depth writes and trigger a clear. |
| glDepthMask(GL_FALSE); |
| |
| clearFunc(0.5f); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::black); |
| |
| // Draw red with a depth function that checks for the clear value. |
| glEnable(GL_DEPTH_TEST); |
| glDepthFunc(GL_EQUAL); |
| |
| ANGLE_GL_PROGRAM(program, essl1_shaders::vs::Simple(), essl1_shaders::fs::Red()); |
| |
| drawQuad(program, essl1_shaders::PositionAttrib(), 0.5f); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::black) << "depth should not be 0.5f"; |
| |
| drawQuad(program, essl1_shaders::PositionAttrib(), 1.0f); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red) << "depth should be initialized to 1.0f"; |
| } |
| |
| // Test that clearing a masked depth buffer doesn't mark it clean. |
| TEST_P(RobustResourceInitTest, MaskedDepthClear) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2407 |
| ANGLE_SKIP_TEST_IF(IsAndroid() && IsOpenGLES()); |
| |
| auto clearFunc = [](float depth) { |
| glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| glClearDepthf(depth); |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| }; |
| |
| maskedDepthClear(clearFunc); |
| } |
| |
| // Tests the same as MaskedDepthClear, but using ClearBuffer calls. |
| TEST_P(RobustResourceInitTestES3, MaskedDepthClearBuffer) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2407 |
| ANGLE_SKIP_TEST_IF(IsAndroid() && IsOpenGLES()); |
| |
| auto clearFunc = [](float depth) { |
| glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glClearBufferfv(GL_DEPTH, 0, &depth); |
| }; |
| |
| maskedDepthClear(clearFunc); |
| } |
| |
| template <typename ClearFunc> |
| void RobustResourceInitTest::maskedStencilClear(ClearFunc clearFunc) |
| { |
| constexpr int kSize = 16; |
| |
| // Initialize a FBO with stencil and simple color. |
| GLRenderbuffer stencilbuffer; |
| glBindRenderbuffer(GL_RENDERBUFFER, stencilbuffer); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, kSize, kSize); |
| |
| GLTexture colorbuffer; |
| glBindTexture(GL_TEXTURE_2D, colorbuffer); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kSize, kSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorbuffer, 0); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, |
| stencilbuffer); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Disable stencil writes and trigger a clear. Use a tricky mask that does not overlap the |
| // clear. |
| glStencilMask(0xF0); |
| clearFunc(0x0F); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::black); |
| |
| // Draw red with a stencil function that checks for stencil == 0 |
| glEnable(GL_STENCIL_TEST); |
| glStencilFunc(GL_EQUAL, 0x00, 0xFF); |
| glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); |
| |
| ANGLE_GL_PROGRAM(program, essl1_shaders::vs::Simple(), essl1_shaders::fs::Red()); |
| |
| drawQuad(program, essl1_shaders::PositionAttrib(), 0.5f); |
| ASSERT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red) << "stencil should be equal to zero"; |
| } |
| |
| // Test that clearing a masked stencil buffer doesn't mark it clean. |
| TEST_P(RobustResourceInitTest, MaskedStencilClear) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| ANGLE_SKIP_TEST_IF(IsD3D11_FL93()); |
| |
| // http://anglebug.com/2407, but only fails on Nexus devices |
| ANGLE_SKIP_TEST_IF((IsNexus5X() || IsNexus6P()) && IsOpenGLES()); |
| |
| auto clearFunc = [](GLint clearValue) { |
| glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| glClearStencil(clearValue); |
| glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); |
| }; |
| |
| maskedStencilClear(clearFunc); |
| } |
| |
| // Test that clearing a masked stencil buffer doesn't mark it clean, with ClearBufferi. |
| TEST_P(RobustResourceInitTestES3, MaskedStencilClearBuffer) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| // http://anglebug.com/2408 |
| ANGLE_SKIP_TEST_IF(IsOSX() && IsOpenGL() && (IsIntel() || IsNVIDIA())); |
| |
| ANGLE_SKIP_TEST_IF(IsLinux() && IsOpenGL()); |
| |
| // http://anglebug.com/2407, but only fails on Nexus devices |
| ANGLE_SKIP_TEST_IF((IsNexus5X() || IsNexus6P()) && IsOpenGLES()); |
| |
| auto clearFunc = [](GLint clearValue) { |
| glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glClearBufferiv(GL_STENCIL, 0, &clearValue); |
| }; |
| |
| maskedStencilClear(clearFunc); |
| } |
| |
| template <int Size, typename InitializedTest> |
| void VerifyRGBA8PixelRect(InitializedTest inInitialized) |
| { |
| std::array<std::array<GLColor, Size>, Size> actualPixels; |
| glReadPixels(0, 0, Size, Size, GL_RGBA, GL_UNSIGNED_BYTE, actualPixels.data()); |
| ASSERT_GL_NO_ERROR(); |
| |
| for (int y = 0; y < Size; ++y) |
| { |
| for (int x = 0; x < Size; ++x) |
| { |
| if (inInitialized(x, y)) |
| { |
| EXPECT_EQ(actualPixels[y][x], GLColor::red) << " at " << x << ", " << y; |
| } |
| else |
| { |
| EXPECT_EQ(actualPixels[y][x], GLColor::transparentBlack) |
| << " at " << x << ", " << y; |
| } |
| } |
| } |
| } |
| |
| // Tests that calling CopyTexSubImage2D will initialize the source & destination. |
| TEST_P(RobustResourceInitTest, CopyTexSubImage2D) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| ANGLE_SKIP_TEST_IF(IsD3D11_FL93()); |
| |
| static constexpr int kDestSize = 4; |
| constexpr int kSrcSize = kDestSize / 2; |
| static constexpr int kOffset = kSrcSize / 2; |
| |
| std::vector<GLColor> redColors(kDestSize * kDestSize, GLColor::red); |
| |
| // Initialize source texture with red. |
| GLTexture srcTexture; |
| glBindTexture(GL_TEXTURE_2D, srcTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kSrcSize, kSrcSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| redColors.data()); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, srcTexture, 0); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Create uninitialized destination texture. |
| GLTexture destTexture; |
| glBindTexture(GL_TEXTURE_2D, destTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kDestSize, kDestSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| |
| // Trigger the copy from initialized source into uninitialized dest. |
| glCopyTexSubImage2D(GL_TEXTURE_2D, 0, kOffset, kOffset, 0, 0, kSrcSize, kSrcSize); |
| |
| // Verify the pixel rectangle. |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, destTexture, 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| auto srcInitTest = [](int x, int y) { |
| return (x >= kOffset) && x < (kDestSize - kOffset) && (y >= kOffset) && |
| y < (kDestSize - kOffset); |
| }; |
| |
| VerifyRGBA8PixelRect<kDestSize>(srcInitTest); |
| |
| // Make source texture uninitialized. Force a release by redefining a new size. |
| glBindTexture(GL_TEXTURE_2D, srcTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kSrcSize, kSrcSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, |
| nullptr); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, srcTexture, 0); |
| |
| // Fill destination texture with red. |
| glBindTexture(GL_TEXTURE_2D, destTexture); |
| glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kDestSize, kDestSize, GL_RGBA, GL_UNSIGNED_BYTE, |
| redColors.data()); |
| |
| // Trigger a copy from uninitialized source into initialized dest. |
| glCopyTexSubImage2D(GL_TEXTURE_2D, 0, kOffset, kOffset, 0, 0, kSrcSize, kSrcSize); |
| |
| // Verify the pixel rectangle. |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, destTexture, 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| auto destInitTest = [srcInitTest](int x, int y) { return !srcInitTest(x, y); }; |
| |
| VerifyRGBA8PixelRect<kDestSize>(destInitTest); |
| } |
| |
| // Tests that calling CopyTexSubImage3D will initialize the source & destination. |
| TEST_P(RobustResourceInitTestES3, CopyTexSubImage3D) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| static constexpr int kDestSize = 4; |
| constexpr int kSrcSize = kDestSize / 2; |
| static constexpr int kOffset = kSrcSize / 2; |
| |
| std::vector<GLColor> redColors(kDestSize * kDestSize * kDestSize, GLColor::red); |
| |
| GLTexture srcTexture; |
| GLFramebuffer framebuffer; |
| GLTexture destTexture; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| |
| // Initialize source texture with red. |
| glBindTexture(GL_TEXTURE_3D, srcTexture); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kSrcSize, kSrcSize, kSrcSize, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, redColors.data()); |
| |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, srcTexture, 0, 0); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Create uninitialized destination texture. |
| glBindTexture(GL_TEXTURE_3D, destTexture); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kDestSize, kDestSize, kDestSize, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, nullptr); |
| |
| // Trigger the copy from initialized source into uninitialized dest. |
| glCopyTexSubImage3D(GL_TEXTURE_3D, 0, kOffset, kOffset, 0, 0, 0, kSrcSize, kSrcSize); |
| |
| // Verify the pixel rectangle. |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, destTexture, 0, 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| auto srcInitTest = [](int x, int y) { |
| return (x >= kOffset) && x < (kDestSize - kOffset) && (y >= kOffset) && |
| y < (kDestSize - kOffset); |
| }; |
| |
| VerifyRGBA8PixelRect<kDestSize>(srcInitTest); |
| |
| // Make source texture uninitialized. |
| glBindTexture(GL_TEXTURE_3D, srcTexture); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kSrcSize, kSrcSize, kSrcSize, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, nullptr); |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, srcTexture, 0, 0); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Fill destination texture with red. |
| glBindTexture(GL_TEXTURE_3D, destTexture); |
| glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kDestSize, kDestSize, kDestSize, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, redColors.data()); |
| |
| // Trigger a copy from uninitialized source into initialized dest. |
| glCopyTexSubImage3D(GL_TEXTURE_3D, 0, kOffset, kOffset, 0, 0, 0, kSrcSize, kSrcSize); |
| |
| // Verify the pixel rectangle. |
| glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, destTexture, 0, 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| auto destInitTest = [srcInitTest](int x, int y) { return !srcInitTest(x, y); }; |
| |
| VerifyRGBA8PixelRect<kDestSize>(destInitTest); |
| } |
| |
| // Test basic robustness with 2D array textures. |
| TEST_P(RobustResourceInitTestES3, Texture2DArray) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr int kSize = 1024; |
| constexpr int kLayers = 8; |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_ARRAY, texture); |
| glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA8, kSize, kSize, kLayers, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, nullptr); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| |
| for (int layer = 0; layer < kLayers; ++layer) |
| { |
| checkNonZeroPixels3D(&texture, 0, 0, 0, 0, layer, GLColor::transparentBlack); |
| } |
| } |
| |
| // Test that using TexStorage2D followed by CompressedSubImage works with robust init. |
| // Taken from WebGL test conformance/extensions/webgl-compressed-texture-s3tc. |
| TEST_P(RobustResourceInitTestES3, CompressedSubImage) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| // http://anglebug.com/4092 |
| ANGLE_SKIP_TEST_IF(IsVulkan()); |
| |
| constexpr int width = 8; |
| constexpr int height = 8; |
| constexpr int subX0 = 0; |
| constexpr int subY0 = 0; |
| constexpr int subWidth = 4; |
| constexpr int subHeight = 4; |
| constexpr GLenum format = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; |
| |
| static constexpr uint8_t img_8x8_rgb_dxt1[] = { |
| 0xe0, 0x07, 0x00, 0xf8, 0x11, 0x10, 0x15, 0x00, 0x1f, 0x00, 0xe0, |
| 0xff, 0x11, 0x10, 0x15, 0x00, 0xe0, 0x07, 0x1f, 0xf8, 0x44, 0x45, |
| 0x40, 0x55, 0x1f, 0x00, 0xff, 0x07, 0x44, 0x45, 0x40, 0x55, |
| }; |
| |
| static constexpr uint8_t img_4x4_rgb_dxt1[] = { |
| 0xe0, 0x07, 0x00, 0xf8, 0x11, 0x10, 0x15, 0x00, |
| }; |
| |
| std::vector<uint8_t> data(img_8x8_rgb_dxt1, img_8x8_rgb_dxt1 + ArraySize(img_8x8_rgb_dxt1)); |
| std::vector<uint8_t> subData(img_4x4_rgb_dxt1, img_4x4_rgb_dxt1 + ArraySize(img_4x4_rgb_dxt1)); |
| |
| GLTexture colorbuffer; |
| glBindTexture(GL_TEXTURE_2D, colorbuffer); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorbuffer, 0); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| glViewport(0, 0, width, height); |
| |
| // testing format width-x-height via texStorage2D |
| const auto &expectedData = UncompressDXTIntoSubRegion(width, height, subX0, subY0, subWidth, |
| subHeight, subData, format); |
| |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| glTexStorage2D(GL_TEXTURE_2D, 1, format, width, height); |
| ASSERT_GL_NO_ERROR(); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, subX0, subY0, subWidth, subHeight, format, |
| static_cast<GLsizei>(subData.size()), subData.data()); |
| ASSERT_GL_NO_ERROR(); |
| |
| draw2DTexturedQuad(0.5f, 1.0f, true); |
| ASSERT_GL_NO_ERROR(); |
| |
| std::vector<GLColor> actualData(width * height); |
| glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, actualData.data()); |
| ASSERT_GL_NO_ERROR(); |
| |
| for (int y = 0; y < height; ++y) |
| { |
| for (int x = 0; x < width; ++x) |
| { |
| int offset = x + y * width; |
| const GLColor expectedColor = expectedData[offset]; |
| const GLColor actualColor = actualData[offset]; |
| |
| // Allow for some minor variation because the format is compressed. |
| EXPECT_NEAR(expectedColor.R, actualColor.R, 1) << " at (" << x << ", " << y << ")"; |
| EXPECT_NEAR(expectedColor.G, actualColor.G, 1) << " at (" << x << ", " << y << ")"; |
| EXPECT_NEAR(expectedColor.B, actualColor.B, 1) << " at (" << x << ", " << y << ")"; |
| } |
| } |
| } |
| |
| // Tests that a partial scissor still initializes contents as expected. |
| TEST_P(RobustResourceInitTest, ClearWithScissor) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| constexpr int kSize = 16; |
| |
| GLRenderbuffer colorbuffer; |
| glBindRenderbuffer(GL_RENDERBUFFER, colorbuffer); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, kSize, kSize); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, colorbuffer); |
| |
| ASSERT_GL_NO_ERROR(); |
| ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| // Scissor to half the width. |
| glEnable(GL_SCISSOR_TEST); |
| glScissor(0, 0, kSize / 2, kSize); |
| |
| // Clear. Half the texture should be black, and half red. |
| glClearColor(1.0f, 0.0f, 0.0f, 1.0f); |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red); |
| EXPECT_PIXEL_COLOR_EQ(kSize - 1, 0, GLColor::transparentBlack); |
| } |
| |
| // Tests that surfaces are initialized when they are created |
| TEST_P(RobustResourceInitTest, SurfaceInitialized) |
| { |
| ANGLE_SKIP_TEST_IF(!hasRobustSurfaceInit()); |
| |
| checkFramebufferNonZeroPixels(0, 0, 0, 0, GLColor::black); |
| } |
| |
| // Tests that surfaces are initialized after swapping if they are not preserved |
| TEST_P(RobustResourceInitTest, SurfaceInitializedAfterSwap) |
| { |
| ANGLE_SKIP_TEST_IF(!hasRobustSurfaceInit()); |
| |
| EGLint swapBehaviour = 0; |
| ASSERT_TRUE(eglQuerySurface(getEGLWindow()->getDisplay(), getEGLWindow()->getSurface(), |
| EGL_SWAP_BEHAVIOR, &swapBehaviour)); |
| |
| const std::array<GLColor, 4> clearColors = {{ |
| GLColor::blue, |
| GLColor::cyan, |
| GLColor::red, |
| GLColor::yellow, |
| }}; |
| for (size_t i = 0; i < clearColors.size(); i++) |
| { |
| if (swapBehaviour == EGL_BUFFER_PRESERVED && i > 0) |
| { |
| EXPECT_PIXEL_COLOR_EQ(0, 0, clearColors[i - 1]); |
| } |
| else |
| { |
| checkFramebufferNonZeroPixels(0, 0, 0, 0, GLColor::black); |
| } |
| |
| angle::Vector4 clearColor = clearColors[i].toNormalizedVector(); |
| glClearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_GL_NO_ERROR(); |
| |
| swapBuffers(); |
| } |
| } |
| |
| // Test that multisampled 2D textures are initialized. |
| TEST_P(RobustResourceInitTestES31, Multisample2DTexture) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| // http://anglebug.com/4092 |
| ANGLE_SKIP_TEST_IF(IsVulkan()); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, texture); |
| glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 2, GL_RGBA8, kWidth, kHeight, false); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer); |
| glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, |
| texture, 0); |
| |
| GLTexture resolveTexture; |
| glBindTexture(GL_TEXTURE_2D, resolveTexture); |
| glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, kWidth, kHeight); |
| |
| GLFramebuffer resolveFramebuffer; |
| glBindFramebuffer(GL_DRAW_FRAMEBUFFER, resolveFramebuffer); |
| glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, resolveTexture, |
| 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| glBlitFramebuffer(0, 0, kWidth, kHeight, 0, 0, kWidth, kHeight, GL_COLOR_BUFFER_BIT, |
| GL_NEAREST); |
| ASSERT_GL_NO_ERROR(); |
| |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, resolveFramebuffer); |
| EXPECT_PIXEL_RECT_EQ(0, 0, kWidth, kHeight, GLColor::transparentBlack); |
| } |
| |
| // Test that multisampled 2D texture arrays from OES_texture_storage_multisample_2d_array are |
| // initialized. |
| TEST_P(RobustResourceInitTestES31, Multisample2DTextureArray) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| |
| if (IsGLExtensionRequestable("GL_OES_texture_storage_multisample_2d_array")) |
| { |
| glRequestExtensionANGLE("GL_OES_texture_storage_multisample_2d_array"); |
| } |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_OES_texture_storage_multisample_2d_array")); |
| |
| const GLsizei kLayers = 4; |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_MULTISAMPLE_ARRAY_OES, texture); |
| glTexStorage3DMultisampleOES(GL_TEXTURE_2D_MULTISAMPLE_ARRAY_OES, 2, GL_RGBA8, kWidth, kHeight, |
| kLayers, false); |
| |
| GLTexture resolveTexture; |
| glBindTexture(GL_TEXTURE_2D, resolveTexture); |
| glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, kWidth, kHeight); |
| |
| GLFramebuffer resolveFramebuffer; |
| glBindFramebuffer(GL_DRAW_FRAMEBUFFER, resolveFramebuffer); |
| glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, resolveTexture, |
| 0); |
| ASSERT_GL_NO_ERROR(); |
| |
| for (GLsizei layerIndex = 0; layerIndex < kLayers; ++layerIndex) |
| { |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer); |
| glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture, 0, |
| layerIndex); |
| |
| glBlitFramebuffer(0, 0, kWidth, kHeight, 0, 0, kWidth, kHeight, GL_COLOR_BUFFER_BIT, |
| GL_NEAREST); |
| ASSERT_GL_NO_ERROR(); |
| |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, resolveFramebuffer); |
| EXPECT_PIXEL_RECT_EQ(0, 0, kWidth, kHeight, GLColor::transparentBlack); |
| } |
| } |
| |
| // Tests that using an out of bounds draw offset with a dynamic array succeeds. |
| TEST_P(RobustResourceInitTest, DynamicVertexArrayOffsetOutOfBounds) |
| { |
| // Not implemented on Vulkan. http://anglebug.com/3350 |
| ANGLE_SKIP_TEST_IF(IsVulkan()); |
| |
| ANGLE_GL_PROGRAM(program, essl1_shaders::vs::Simple(), essl1_shaders::fs::Red()); |
| glUseProgram(program); |
| |
| GLint posLoc = glGetAttribLocation(program, essl1_shaders::PositionAttrib()); |
| ASSERT_NE(-1, posLoc); |
| |
| glEnableVertexAttribArray(posLoc); |
| GLBuffer buf; |
| glBindBuffer(GL_ARRAY_BUFFER, buf); |
| glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, reinterpret_cast<const void *>(500)); |
| glBufferData(GL_ARRAY_BUFFER, 100, nullptr, GL_DYNAMIC_DRAW); |
| glDrawArrays(GL_TRIANGLES, 0, 3); |
| |
| // Either no error or invalid operation is okay. |
| } |
| |
| // Test to cover a bug that the multisampled depth attachment of a framebuffer are not successfully |
| // initialized before it is used as the read framebuffer in blitFramebuffer. |
| // Referenced from the following WebGL CTS: |
| // conformance2/renderbuffers/multisampled-depth-renderbuffer-initialization.html |
| TEST_P(RobustResourceInitTestES3, InitializeMultisampledDepthRenderbufferAfterCopyTextureCHROMIUM) |
| { |
| ANGLE_SKIP_TEST_IF(!hasGLExtension()); |
| ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_CHROMIUM_copy_texture")); |
| |
| // Call glCopyTextureCHROMIUM to set destTexture as the color attachment of the internal |
| // framebuffer mScratchFBO. |
| GLTexture sourceTexture; |
| glBindTexture(GL_TEXTURE_2D, sourceTexture); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| GLTexture destTexture; |
| glBindTexture(GL_TEXTURE_2D, destTexture); |
| glCopyTextureCHROMIUM(sourceTexture, 0, GL_TEXTURE_2D, destTexture, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, GL_FALSE, GL_FALSE, GL_FALSE); |
| ASSERT_GL_NO_ERROR(); |
| |
| GLFramebuffer drawFbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, drawFbo); |
| |
| GLTexture colorTex; |
| glBindTexture(GL_TEXTURE_2D, colorTex); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorTex, 0); |
| GLRenderbuffer drawDepthRbo; |
| glBindRenderbuffer(GL_RENDERBUFFER, drawDepthRbo); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, kWidth, kHeight); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, drawDepthRbo); |
| |
| // Clear drawDepthRbo to 0.0f |
| glClearColor(1.0f, 0.0f, 0.0f, 1.0f); |
| glClearDepthf(0.0f); |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| |
| constexpr uint32_t kReadDepthRboSampleCount = 4; |
| GLFramebuffer readFbo; |
| glBindFramebuffer(GL_FRAMEBUFFER, readFbo); |
| GLRenderbuffer readDepthRbo; |
| glBindRenderbuffer(GL_RENDERBUFFER, readDepthRbo); |
| glRenderbufferStorageMultisample(GL_RENDERBUFFER, kReadDepthRboSampleCount, |
| GL_DEPTH_COMPONENT16, kWidth, kHeight); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, readDepthRbo); |
| |
| glBindFramebuffer(GL_READ_FRAMEBUFFER, readFbo); |
| glBindFramebuffer(GL_DRAW_FRAMEBUFFER, drawFbo); |
| |
| // Blit from readDepthRbo to drawDepthRbo. When robust resource init is enabled, readDepthRbo |
| // should be initialized to 1.0f by default, so the data in drawDepthRbo should also be 1.0f. |
| glBlitFramebuffer(0, 0, kWidth, kHeight, 0, 0, kWidth, kHeight, GL_DEPTH_BUFFER_BIT, |
| GL_NEAREST); |
| ASSERT_GL_NO_ERROR(); |
| |
| glDepthFunc(GL_LESS); |
| glEnable(GL_DEPTH_TEST); |
| |
| glBindFramebuffer(GL_FRAMEBUFFER, drawFbo); |
| ANGLE_GL_PROGRAM(program, essl1_shaders::vs::Simple(), essl1_shaders::fs::Green()); |
| |
| // If drawDepthRbo is correctly set to 1.0f, the depth test can always pass, so the result |
| // should be green. |
| drawQuad(program, essl1_shaders::PositionAttrib(), 0.5f, 1.0f, true); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::green); |
| } |
| |
| ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(RobustResourceInitTest); |
| |
| ANGLE_INSTANTIATE_TEST_ES3(RobustResourceInitTestES3); |
| |
| ANGLE_INSTANTIATE_TEST_ES31(RobustResourceInitTestES31); |
| |
| } // namespace angle |
