| // |
| // Copyright 2015 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. |
| // |
| |
| // WebGLCompatibilityTest.cpp : Tests of the GL_ANGLE_webgl_compatibility extension. |
| |
| #include "test_utils/ANGLETest.h" |
| |
| #include "test_utils/gl_raii.h" |
| |
| namespace angle |
| { |
| |
| class WebGLCompatibilityTest : public ANGLETest |
| { |
| protected: |
| WebGLCompatibilityTest() |
| { |
| setWindowWidth(128); |
| setWindowHeight(128); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| setWebGLCompatibilityEnabled(true); |
| } |
| |
| void SetUp() override |
| { |
| ANGLETest::SetUp(); |
| glEnableExtensionANGLE = reinterpret_cast<PFNGLENABLEEXTENSIONANGLEPROC>( |
| eglGetProcAddress("glEnableExtensionANGLE")); |
| } |
| |
| void TearDown() override { ANGLETest::TearDown(); } |
| |
| PFNGLENABLEEXTENSIONANGLEPROC glEnableExtensionANGLE = nullptr; |
| }; |
| |
| // Context creation would fail if EGL_ANGLE_create_context_webgl_compatibility was not available so |
| // the GL extension should always be present |
| TEST_P(WebGLCompatibilityTest, ExtensionStringExposed) |
| { |
| EXPECT_TRUE(extensionEnabled("GL_ANGLE_webgl_compatibility")); |
| } |
| |
| // Verify that all extension entry points are available |
| TEST_P(WebGLCompatibilityTest, EntryPoints) |
| { |
| if (extensionEnabled("GL_ANGLE_webgl_compatibility")) |
| { |
| EXPECT_NE(nullptr, eglGetProcAddress("glEnableExtensionANGLE")); |
| } |
| } |
| |
| // WebGL 1 allows GL_DEPTH_STENCIL_ATTACHMENT as a valid binding point. Make sure it is usable, |
| // even in ES2 contexts. |
| TEST_P(WebGLCompatibilityTest, DepthStencilBindingPoint) |
| { |
| GLRenderbuffer renderbuffer; |
| glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer.get()); |
| glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 32, 32); |
| |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer.get()); |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, |
| renderbuffer.get()); |
| |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Test that attempting to enable an extension that doesn't exist generates GL_INVALID_OPERATION |
| TEST_P(WebGLCompatibilityTest, EnableExtensionValidation) |
| { |
| EXPECT_EQ(GL_FALSE, glEnableExtensionANGLE("invalid_extension_string")); |
| EXPECT_GL_ERROR(GL_INVALID_OPERATION); |
| } |
| |
| // Test enabling the GL_OES_element_index_uint extension |
| TEST_P(WebGLCompatibilityTest, EnableExtensionUintIndices) |
| { |
| if (getClientMajorVersion() != 2) |
| { |
| // This test only works on ES2 where uint indices are not available by default |
| return; |
| } |
| |
| EXPECT_FALSE(extensionEnabled("GL_OES_element_index_uint")); |
| |
| GLBuffer indexBuffer; |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer.get()); |
| |
| GLuint data[] = {0, 1, 2, 1, 3, 2}; |
| glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(data), data, GL_STATIC_DRAW); |
| |
| ANGLE_GL_PROGRAM(program, "void main() { gl_Position = vec4(0, 0, 0, 1); }", |
| "void main() { gl_FragColor = vec4(0, 1, 0, 1); }") |
| glUseProgram(program.get()); |
| |
| glDrawElements(GL_TRIANGLES, 2, GL_UNSIGNED_INT, nullptr); |
| EXPECT_GL_ERROR(GL_INVALID_ENUM); |
| |
| if (glEnableExtensionANGLE("GL_OES_element_index_uint")) |
| { |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_TRUE(extensionEnabled("GL_OES_element_index_uint")); |
| |
| glDrawElements(GL_TRIANGLES, 2, GL_UNSIGNED_INT, nullptr); |
| EXPECT_GL_NO_ERROR(); |
| } |
| } |
| |
| // Use this to select which configurations (e.g. which renderer, which GLES major version) these |
| // tests should be run against. |
| ANGLE_INSTANTIATE_TEST(WebGLCompatibilityTest, |
| ES2_D3D9(), |
| ES2_D3D11(), |
| ES3_D3D11(), |
| ES2_D3D11_FL9_3(), |
| ES2_OPENGL(), |
| ES3_OPENGL(), |
| ES2_OPENGLES(), |
| ES3_OPENGLES()); |
| |
| } // namespace |