| #include "ANGLETest.h" |
| |
| #include <cstdint> |
| |
| class BufferDataTest : public ANGLETest |
| { |
| protected: |
| BufferDataTest() |
| : mBuffer(0), |
| mProgram(0), |
| mAttribLocation(-1) |
| { |
| setWindowWidth(16); |
| setWindowHeight(16); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| setConfigDepthBits(24); |
| } |
| |
| virtual void SetUp() |
| { |
| ANGLETest::SetUp(); |
| |
| const char * vsSource = SHADER_SOURCE |
| ( |
| attribute vec4 position; |
| attribute float in_attrib; |
| varying float v_attrib; |
| void main() |
| { |
| v_attrib = in_attrib; |
| gl_Position = position; |
| } |
| ); |
| |
| const char * fsSource = SHADER_SOURCE |
| ( |
| precision mediump float; |
| varying float v_attrib; |
| void main() |
| { |
| gl_FragColor = vec4(v_attrib, 0, 0, 1); |
| } |
| ); |
| |
| glGenBuffers(1, &mBuffer); |
| ASSERT_NE(mBuffer, 0U); |
| |
| mProgram = CompileProgram(vsSource, fsSource); |
| ASSERT_NE(mProgram, 0U); |
| |
| mAttribLocation = glGetAttribLocation(mProgram, "in_attrib"); |
| ASSERT_NE(mAttribLocation, -1); |
| |
| glClearColor(0, 0, 0, 0); |
| glClearDepthf(0.0); |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| |
| glDisable(GL_DEPTH_TEST); |
| |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| virtual void TearDown() |
| { |
| glDeleteBuffers(1, &mBuffer); |
| glDeleteProgram(mProgram); |
| |
| ANGLETest::TearDown(); |
| } |
| |
| GLuint mBuffer; |
| GLuint mProgram; |
| GLint mAttribLocation; |
| }; |
| |
| TEST_F(BufferDataTest, NULLData) |
| { |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| EXPECT_GL_NO_ERROR(); |
| |
| const int numIterations = 128; |
| for (int i = 0; i < numIterations; ++i) |
| { |
| GLsizei bufferSize = sizeof(GLfloat) * (i + 1); |
| glBufferData(GL_ARRAY_BUFFER, bufferSize, NULL, GL_STATIC_DRAW); |
| EXPECT_GL_NO_ERROR(); |
| |
| for (int j = 0; j < bufferSize; j++) |
| { |
| for (int k = 0; k < bufferSize - j; k++) |
| { |
| glBufferSubData(GL_ARRAY_BUFFER, k, j, NULL); |
| EXPECT_GL_NO_ERROR(); |
| } |
| } |
| } |
| } |
| |
| TEST_F(BufferDataTest, ZeroNonNULLData) |
| { |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| EXPECT_GL_NO_ERROR(); |
| |
| char *zeroData = new char[0]; |
| glBufferData(GL_ARRAY_BUFFER, 0, zeroData, GL_STATIC_DRAW); |
| EXPECT_GL_NO_ERROR(); |
| |
| glBufferSubData(GL_ARRAY_BUFFER, 0, 0, zeroData); |
| EXPECT_GL_NO_ERROR(); |
| |
| delete [] zeroData; |
| } |
| |
| TEST_F(BufferDataTest, NULLResolvedData) |
| { |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_DYNAMIC_DRAW); |
| |
| glUseProgram(mProgram); |
| glVertexAttribPointer(mAttribLocation, 1, GL_FLOAT, GL_FALSE, 4, NULL); |
| glEnableVertexAttribArray(mAttribLocation); |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| |
| drawQuad(mProgram, "position", 0.5f); |
| } |
| |
| TEST_F(BufferDataTest, HugeSetDataShouldNotCrash) |
| { |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| EXPECT_GL_NO_ERROR(); |
| |
| GLsizei allocSize = std::numeric_limits<GLsizei>::max() >> 2; |
| |
| uint8_t *data = NULL; |
| while (data == NULL && allocSize >= 4) |
| { |
| data = new (std::nothrow) uint8_t[allocSize]; |
| |
| if (data == NULL) |
| { |
| allocSize >>= 1; |
| } |
| } |
| |
| ASSERT_NE(static_cast<uint8_t*>(NULL), data); |
| memset(data, 0, allocSize); |
| |
| float * fValue = reinterpret_cast<float*>(data); |
| for (unsigned int f = 0; f < 6; f++) |
| { |
| fValue[f] = 1.0f; |
| } |
| |
| glBufferData(GL_ARRAY_BUFFER, allocSize, data, GL_STATIC_DRAW); |
| |
| GLenum error = glGetError(); |
| if (error == GL_NO_ERROR) |
| { |
| // If we didn't fail because of an out of memory error, try drawing a quad |
| // using the large buffer |
| |
| // DISABLED because it takes a long time, but left for posterity |
| |
| //glUseProgram(mProgram); |
| //glVertexAttribPointer(mAttribLocation, 1, GL_FLOAT, GL_FALSE, 4, NULL); |
| //glEnableVertexAttribArray(mAttribLocation); |
| //glBindBuffer(GL_ARRAY_BUFFER, 0); |
| //drawQuad(mProgram, "position", 0.5f); |
| //swapBuffers(); |
| |
| //// Draw operations can also generate out-of-memory, which is in-spec |
| //error = glGetError(); |
| //if (error == GL_NO_ERROR) |
| //{ |
| // GLint viewportSize[4]; |
| // glGetIntegerv(GL_VIEWPORT, viewportSize); |
| |
| // GLint midPixelX = (viewportSize[0] + viewportSize[2]) / 2; |
| // GLint midPixelY = (viewportSize[1] + viewportSize[3]) / 2; |
| |
| // EXPECT_PIXEL_EQ(midPixelX, midPixelY, 255, 0, 0, 255); |
| //} |
| //else |
| //{ |
| // EXPECT_EQ(GL_OUT_OF_MEMORY, error); |
| //} |
| } |
| else |
| { |
| EXPECT_EQ(GL_OUT_OF_MEMORY, error); |
| } |
| |
| delete[] data; |
| } |
| |
| class IndexedBufferCopyTest : public ANGLETest |
| { |
| protected: |
| IndexedBufferCopyTest() |
| { |
| setWindowWidth(16); |
| setWindowHeight(16); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| setConfigDepthBits(24); |
| setClientVersion(3); |
| } |
| |
| virtual void SetUp() |
| { |
| ANGLETest::SetUp(); |
| |
| const char * vsSource = SHADER_SOURCE |
| ( |
| attribute vec3 in_attrib; |
| varying vec3 v_attrib; |
| void main() |
| { |
| v_attrib = in_attrib; |
| gl_Position = vec4(0.0, 0.0, 0.5, 1.0); |
| gl_PointSize = 100.0; |
| } |
| ); |
| |
| const char * fsSource = SHADER_SOURCE |
| ( |
| precision mediump float; |
| varying vec3 v_attrib; |
| void main() |
| { |
| gl_FragColor = vec4(v_attrib, 1); |
| } |
| ); |
| |
| glGenBuffers(2, mBuffers); |
| ASSERT_NE(mBuffers[0], 0U); |
| ASSERT_NE(mBuffers[1], 0U); |
| |
| glGenBuffers(1, &mElementBuffer); |
| ASSERT_NE(mElementBuffer, 0U); |
| |
| mProgram = CompileProgram(vsSource, fsSource); |
| ASSERT_NE(mProgram, 0U); |
| |
| mAttribLocation = glGetAttribLocation(mProgram, "in_attrib"); |
| ASSERT_NE(mAttribLocation, -1); |
| |
| glClearColor(0, 0, 0, 0); |
| glDisable(GL_DEPTH_TEST); |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| virtual void TearDown() |
| { |
| glDeleteBuffers(2, mBuffers); |
| glDeleteBuffers(1, &mElementBuffer); |
| glDeleteProgram(mProgram); |
| |
| ANGLETest::TearDown(); |
| } |
| |
| GLuint mBuffers[2]; |
| GLuint mElementBuffer; |
| GLuint mProgram; |
| GLint mAttribLocation; |
| }; |
| |
| // The following test covers an ANGLE bug where our index ranges |
| // weren't updated from CopyBufferSubData calls |
| // https://code.google.com/p/angleproject/issues/detail?id=709 |
| TEST_F(IndexedBufferCopyTest, IndexRangeBug) |
| { |
| unsigned char vertexData[] = { 255, 0, 0, 0, 0, 0 }; |
| unsigned int indexData[] = { 0, 1 }; |
| |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffers[0]); |
| glBufferData(GL_ARRAY_BUFFER, sizeof(char) * 6, vertexData, GL_STATIC_DRAW); |
| |
| glUseProgram(mProgram); |
| glVertexAttribPointer(mAttribLocation, 3, GL_UNSIGNED_BYTE, GL_TRUE, 3, NULL); |
| glEnableVertexAttribArray(mAttribLocation); |
| |
| ASSERT_GL_NO_ERROR(); |
| |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mElementBuffer); |
| glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(int) * 1, indexData, GL_STATIC_DRAW); |
| |
| glUseProgram(mProgram); |
| |
| ASSERT_GL_NO_ERROR(); |
| |
| glDrawElements(GL_POINTS, 1, GL_UNSIGNED_INT, NULL); |
| |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_PIXEL_EQ(0, 0, 255, 0, 0, 255); |
| |
| glBindBuffer(GL_COPY_READ_BUFFER, mBuffers[1]); |
| glBufferData(GL_COPY_READ_BUFFER, 4, &indexData[1], GL_STATIC_DRAW); |
| |
| glBindBuffer(GL_COPY_WRITE_BUFFER, mElementBuffer); |
| |
| glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, sizeof(int)); |
| |
| ASSERT_GL_NO_ERROR(); |
| |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_PIXEL_EQ(0, 0, 0, 0, 0, 0); |
| |
| unsigned char newData[] = { 0, 255, 0 }; |
| glBufferSubData(GL_ARRAY_BUFFER, 3, 3, newData); |
| |
| glDrawElements(GL_POINTS, 1, GL_UNSIGNED_INT, NULL); |
| |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_PIXEL_EQ(0, 0, 0, 255, 0, 255); |
| } |