| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES 2.0 Module |
| * ------------------------------------------------- |
| * |
| * Copyright 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| *//*! |
| * \file |
| * \brief Read pixels tests |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "es2fReadPixelsTests.hpp" |
| |
| #include "tcuTexture.hpp" |
| #include "tcuTextureUtil.hpp" |
| #include "tcuImageCompare.hpp" |
| #include "tcuTestLog.hpp" |
| #include "tcuRenderTarget.hpp" |
| |
| #include "deRandom.hpp" |
| #include "deMath.h" |
| #include "deString.h" |
| #include "deStringUtil.hpp" |
| |
| #include "gluDefs.hpp" |
| #include "gluShaderProgram.hpp" |
| #include "gluStrUtil.hpp" |
| #include "gluTextureUtil.hpp" |
| |
| #include "glw.h" |
| |
| #include <cstring> |
| |
| namespace deqp |
| { |
| namespace gles2 |
| { |
| namespace Functional |
| { |
| |
| class ReadPixelsTest : public TestCase |
| { |
| public: |
| ReadPixelsTest (Context& context, const char* name, const char* description, bool chooseFormat, int alignment); |
| |
| IterateResult iterate (void); |
| void render (tcu::Texture2D& reference); |
| |
| private: |
| bool m_chooseFormat; |
| int m_alignment; |
| int m_seed; |
| |
| void getFormatInfo (tcu::TextureFormat& format, GLint& glFormat, GLint& glType, int& pixelSize); |
| }; |
| |
| ReadPixelsTest::ReadPixelsTest (Context& context, const char* name, const char* description, bool chooseFormat, int alignment) |
| : TestCase (context, name, description) |
| , m_chooseFormat (chooseFormat) |
| , m_alignment (alignment) |
| , m_seed (deStringHash(name)) |
| { |
| } |
| |
| void ReadPixelsTest::render (tcu::Texture2D& reference) |
| { |
| // Create program |
| const char* vertexSource = |
| "attribute mediump vec2 a_coord;\n" |
| "void main (void)\n" |
| "{\n" |
| "\tgl_Position = vec4(a_coord, 0.0, 1.0);\n" |
| "}\n"; |
| |
| const char* fragmentSource = |
| "void main (void)\n" |
| "{\n" |
| "\tgl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);\n" |
| "}\n"; |
| |
| glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexSource, fragmentSource)); |
| |
| m_testCtx.getLog() << program; |
| TCU_CHECK(program.isOk()); |
| GLU_CHECK_CALL(glUseProgram(program.getProgram())); |
| |
| // Render |
| { |
| const float coords[] = |
| { |
| -0.5f, -0.5f, |
| 0.5f, -0.5f, |
| 0.5f, 0.5f, |
| |
| 0.5f, 0.5f, |
| -0.5f, 0.5f, |
| -0.5f, -0.5f |
| }; |
| GLuint coordLoc; |
| |
| coordLoc = glGetAttribLocation(program.getProgram(), "a_coord"); |
| GLU_CHECK_MSG("glGetAttribLocation()"); |
| |
| GLU_CHECK_CALL(glEnableVertexAttribArray(coordLoc)); |
| |
| GLU_CHECK_CALL(glVertexAttribPointer(coordLoc, 2, GL_FLOAT, GL_FALSE, 0, coords)); |
| |
| GLU_CHECK_CALL(glDrawArrays(GL_TRIANGLES, 0, 6)); |
| GLU_CHECK_CALL(glDisableVertexAttribArray(coordLoc)); |
| } |
| |
| // Render reference |
| |
| const int coordX1 = (int)((-0.5f * reference.getWidth() / 2.0f) + reference.getWidth() / 2.0f); |
| const int coordY1 = (int)((-0.5f * reference.getHeight() / 2.0f) + reference.getHeight() / 2.0f); |
| const int coordX2 = (int)(( 0.5f * reference.getWidth() / 2.0f) + reference.getWidth() / 2.0f); |
| const int coordY2 = (int)(( 0.5f * reference.getHeight() / 2.0f) + reference.getHeight() / 2.0f); |
| |
| for (int x = 0; x < reference.getWidth(); x++) |
| { |
| if (x < coordX1 || x > coordX2) |
| continue; |
| |
| for (int y = 0; y < reference.getHeight(); y++) |
| { |
| if (y >= coordY1 && y <= coordY2) |
| reference.getLevel(0).setPixel(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), x, y); |
| } |
| } |
| } |
| |
| void ReadPixelsTest::getFormatInfo (tcu::TextureFormat& format, GLint& glFormat, GLint& glType, int& pixelSize) |
| { |
| if (m_chooseFormat) |
| { |
| GLU_CHECK_CALL(glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &glFormat)); |
| GLU_CHECK_CALL(glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &glType)); |
| |
| if (glFormat != GL_RGBA && glFormat != GL_BGRA && glFormat != GL_RGB) |
| TCU_THROW(NotSupportedError, ("Unsupported IMPLEMENTATION_COLOR_READ_FORMAT: " + de::toString(glu::getPixelFormatStr(glFormat))).c_str()); |
| if (glu::getTypeName(glType) == DE_NULL) |
| TCU_THROW(NotSupportedError, ("Unsupported GL_IMPLEMENTATION_COLOR_READ_TYPE: " + de::toString(tcu::Format::Hex<4>(glType))).c_str()); |
| |
| format = glu::mapGLTransferFormat(glFormat, glType); |
| pixelSize = format.getPixelSize(); |
| } |
| else |
| { |
| format = tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8); |
| pixelSize = 1 * 4; |
| glFormat = GL_RGBA; |
| glType = GL_UNSIGNED_BYTE; |
| } |
| } |
| |
| TestCase::IterateResult ReadPixelsTest::iterate (void) |
| { |
| // Create reference |
| const int width = 13; |
| const int height = 13; |
| |
| de::Random rnd(m_seed); |
| |
| tcu::TextureFormat format(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8); |
| int pixelSize; |
| GLint glFormat; |
| GLint glType; |
| |
| getFormatInfo(format, glFormat, glType, pixelSize); |
| m_testCtx.getLog() << tcu::TestLog::Message << "Format: " << glu::getPixelFormatStr(glFormat) << ", Type: " << glu::getTypeStr(glType) << tcu::TestLog::EndMessage; |
| |
| tcu::Texture2D reference(format, width, height); |
| reference.allocLevel(0); |
| |
| GLU_CHECK_CALL(glViewport(0, 0, width, height)); |
| |
| // Clear color |
| { |
| const float red = rnd.getFloat(); |
| const float green = rnd.getFloat(); |
| const float blue = rnd.getFloat(); |
| const float alpha = 1.0f; |
| |
| m_testCtx.getLog() << tcu::TestLog::Message << "Clear color: (" << red << ", " << green << ", " << blue << ", " << alpha << ")" << tcu::TestLog::EndMessage; |
| |
| // Clear target |
| GLU_CHECK_CALL(glClearColor(red, green, blue, alpha)); |
| GLU_CHECK_CALL(glClear(GL_COLOR_BUFFER_BIT)); |
| |
| tcu::clear(reference.getLevel(0), tcu::Vec4(red, green, blue, alpha)); |
| } |
| |
| render(reference); |
| |
| std::vector<deUint8> pixelData; |
| const int rowPitch = m_alignment * deCeilFloatToInt32(pixelSize * width / (float)m_alignment); |
| |
| pixelData.resize(rowPitch * height, 0); |
| |
| GLU_CHECK_CALL(glPixelStorei(GL_PACK_ALIGNMENT, m_alignment)); |
| GLU_CHECK_CALL(glReadPixels(0, 0, width, height, glFormat, glType, &(pixelData[0]))); |
| |
| if (m_context.getRenderTarget().getNumSamples() > 1) |
| { |
| const tcu::IVec4 formatBitDepths = tcu::getTextureFormatBitDepth(format); |
| const deUint8 redThreshold = (deUint8)deCeilFloatToInt32(256.0f * (2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().redBits, formatBitDepths.x())))); |
| const deUint8 greenThreshold = (deUint8)deCeilFloatToInt32(256.0f * (2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().greenBits, formatBitDepths.y())))); |
| const deUint8 blueThreshold = (deUint8)deCeilFloatToInt32(256.0f * (2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().blueBits, formatBitDepths.z())))); |
| const deUint8 alphaThreshold = (deUint8)deCeilFloatToInt32(256.0f * (2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().alphaBits, formatBitDepths.w())))); |
| |
| // bilinearCompare only accepts RGBA, UINT8 |
| tcu::Texture2D referenceRGBA8 (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), width, height); |
| tcu::Texture2D resultRGBA8 (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), width, height); |
| |
| referenceRGBA8.allocLevel(0); |
| resultRGBA8.allocLevel(0); |
| |
| tcu::copy(referenceRGBA8.getLevel(0), reference.getLevel(0)); |
| tcu::copy(resultRGBA8.getLevel(0), tcu::PixelBufferAccess(format, width, height, 1, rowPitch, 0, &(pixelData[0]))); |
| |
| if (tcu::bilinearCompare(m_testCtx.getLog(), "Result", "Result", referenceRGBA8.getLevel(0), resultRGBA8.getLevel(0), tcu::RGBA(redThreshold, greenThreshold, blueThreshold, alphaThreshold), tcu::COMPARE_LOG_RESULT)) |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); |
| else |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); |
| } |
| else |
| { |
| const tcu::IVec4 formatBitDepths = tcu::getTextureFormatBitDepth(format); |
| const float redThreshold = 2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().redBits, formatBitDepths.x())); |
| const float greenThreshold = 2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().greenBits, formatBitDepths.y())); |
| const float blueThreshold = 2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().blueBits, formatBitDepths.z())); |
| const float alphaThreshold = 2.0f / (1 << deMin32(m_context.getRenderTarget().getPixelFormat().alphaBits, formatBitDepths.w())); |
| |
| // Compare |
| if (tcu::floatThresholdCompare(m_testCtx.getLog(), "Result", "Result", reference.getLevel(0), tcu::PixelBufferAccess(format, width, height, 1, rowPitch, 0, &(pixelData[0])), tcu::Vec4(redThreshold, greenThreshold, blueThreshold, alphaThreshold), tcu::COMPARE_LOG_RESULT)) |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); |
| else |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); |
| } |
| |
| return STOP; |
| } |
| |
| ReadPixelsTests::ReadPixelsTests (Context& context) |
| : TestCaseGroup(context, "read_pixels", "ReadPixel tests") |
| { |
| } |
| |
| void ReadPixelsTests::init (void) |
| { |
| addChild(new ReadPixelsTest(m_context, "rgba_ubyte_align_1", "", false, 1)); |
| addChild(new ReadPixelsTest(m_context, "rgba_ubyte_align_2", "", false, 2)); |
| addChild(new ReadPixelsTest(m_context, "rgba_ubyte_align_4", "", false, 4)); |
| addChild(new ReadPixelsTest(m_context, "rgba_ubyte_align_8", "", false, 8)); |
| |
| addChild(new ReadPixelsTest(m_context, "choose_align_1", "", true, 1)); |
| addChild(new ReadPixelsTest(m_context, "choose_align_2", "", true, 2)); |
| addChild(new ReadPixelsTest(m_context, "choose_align_4", "", true, 4)); |
| addChild(new ReadPixelsTest(m_context, "choose_align_8", "", true, 8)); |
| } |
| |
| } // Functional |
| } // gles2 |
| } // deqp |