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755 lines
23 KiB
755 lines
23 KiB
/*-------------------------------------------------------------------------
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* drawElements Quality Program OpenGL ES 2.0 Module
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* -------------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Mipmapping accuracy tests.
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*//*--------------------------------------------------------------------*/
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#include "es2aTextureMipmapTests.hpp"
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#include "glsTextureTestUtil.hpp"
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#include "gluTexture.hpp"
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#include "gluStrUtil.hpp"
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#include "gluTextureUtil.hpp"
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#include "gluPixelTransfer.hpp"
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#include "tcuTestLog.hpp"
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#include "tcuTextureUtil.hpp"
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#include "tcuTexVerifierUtil.hpp"
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#include "tcuVector.hpp"
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#include "tcuMatrix.hpp"
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#include "tcuMatrixUtil.hpp"
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#include "deStringUtil.hpp"
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#include "deRandom.hpp"
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#include "glwEnums.hpp"
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#include "glwFunctions.hpp"
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namespace deqp
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{
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namespace gles2
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{
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namespace Accuracy
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{
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using tcu::TestLog;
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using std::vector;
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using std::string;
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using tcu::Sampler;
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using tcu::Vec2;
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using tcu::Mat2;
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using tcu::Vec4;
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using tcu::IVec2;
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using tcu::IVec4;
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using namespace glu;
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using namespace gls::TextureTestUtil;
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using namespace glu::TextureTestUtil;
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enum CoordType
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{
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COORDTYPE_BASIC, //!< texCoord = translateScale(position).
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COORDTYPE_BASIC_BIAS, //!< Like basic, but with bias values.
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COORDTYPE_AFFINE, //!< texCoord = translateScaleRotateShear(position).
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COORDTYPE_PROJECTED, //!< Projected coordinates, w != 1
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COORDTYPE_LAST
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};
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// Texture2DMipmapCase
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class Texture2DMipmapCase : public tcu::TestCase
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{
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public:
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Texture2DMipmapCase (tcu::TestContext& testCtx,
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glu::RenderContext& renderCtx,
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const glu::ContextInfo& renderCtxInfo,
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const char* name,
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const char* desc,
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CoordType coordType,
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deUint32 minFilter,
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deUint32 wrapS,
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deUint32 wrapT,
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deUint32 format,
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deUint32 dataType,
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int width,
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int height);
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~Texture2DMipmapCase (void);
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void init (void);
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void deinit (void);
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IterateResult iterate (void);
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private:
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Texture2DMipmapCase (const Texture2DMipmapCase& other);
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Texture2DMipmapCase& operator= (const Texture2DMipmapCase& other);
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glu::RenderContext& m_renderCtx;
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const glu::ContextInfo& m_renderCtxInfo;
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CoordType m_coordType;
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deUint32 m_minFilter;
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deUint32 m_wrapS;
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deUint32 m_wrapT;
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deUint32 m_format;
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deUint32 m_dataType;
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int m_width;
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int m_height;
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glu::Texture2D* m_texture;
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TextureRenderer m_renderer;
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};
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Texture2DMipmapCase::Texture2DMipmapCase (tcu::TestContext& testCtx,
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glu::RenderContext& renderCtx,
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const glu::ContextInfo& renderCtxInfo,
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const char* name,
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const char* desc,
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CoordType coordType,
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deUint32 minFilter,
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deUint32 wrapS,
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deUint32 wrapT,
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deUint32 format,
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deUint32 dataType,
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int width,
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int height)
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: TestCase (testCtx, tcu::NODETYPE_ACCURACY, name, desc)
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, m_renderCtx (renderCtx)
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, m_renderCtxInfo (renderCtxInfo)
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, m_coordType (coordType)
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, m_minFilter (minFilter)
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, m_wrapS (wrapS)
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, m_wrapT (wrapT)
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, m_format (format)
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, m_dataType (dataType)
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, m_width (width)
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, m_height (height)
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, m_texture (DE_NULL)
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, m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_100_ES,
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renderCtxInfo.isFragmentHighPrecisionSupported() ? glu::PRECISION_HIGHP // Use highp if available.
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: glu::PRECISION_MEDIUMP)
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{
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}
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Texture2DMipmapCase::~Texture2DMipmapCase (void)
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{
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deinit();
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}
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void Texture2DMipmapCase::init (void)
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{
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if (!m_renderCtxInfo.isFragmentHighPrecisionSupported())
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m_testCtx.getLog() << TestLog::Message << "Warning: High precision not supported in fragment shaders." << TestLog::EndMessage;
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m_texture = new Texture2D(m_renderCtx, m_format, m_dataType, m_width, m_height);
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int numLevels = deLog2Floor32(de::max(m_width, m_height))+1;
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// Fill texture with colored grid.
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for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
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{
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deUint32 step = 0xff / (numLevels-1);
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deUint32 inc = deClamp32(step*levelNdx, 0x00, 0xff);
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deUint32 dec = 0xff - inc;
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deUint32 rgb = (inc << 16) | (dec << 8) | 0xff;
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deUint32 color = 0xff000000 | rgb;
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m_texture->getRefTexture().allocLevel(levelNdx);
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tcu::clear(m_texture->getRefTexture().getLevel(levelNdx), tcu::RGBA(color).toVec());
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}
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}
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void Texture2DMipmapCase::deinit (void)
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{
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delete m_texture;
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m_texture = DE_NULL;
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m_renderer.clear();
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}
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static void getBasicTexCoord2D (std::vector<float>& dst, int cellNdx)
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{
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static const struct
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{
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Vec2 bottomLeft;
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Vec2 topRight;
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} s_basicCoords[] =
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{
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{ Vec2(-0.1f, 0.1f), Vec2( 0.8f, 1.0f) },
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{ Vec2(-0.3f, -0.6f), Vec2( 0.7f, 0.4f) },
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{ Vec2(-0.3f, 0.6f), Vec2( 0.7f, -0.9f) },
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{ Vec2(-0.8f, 0.6f), Vec2( 0.7f, -0.9f) },
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{ Vec2(-0.5f, -0.5f), Vec2( 1.5f, 1.5f) },
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{ Vec2( 1.0f, -1.0f), Vec2(-1.3f, 1.0f) },
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{ Vec2( 1.2f, -1.0f), Vec2(-1.3f, 1.6f) },
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{ Vec2( 2.2f, -1.1f), Vec2(-1.3f, 0.8f) },
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{ Vec2(-1.5f, 1.6f), Vec2( 1.7f, -1.4f) },
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{ Vec2( 2.0f, 1.6f), Vec2( 2.3f, -1.4f) },
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{ Vec2( 1.3f, -2.6f), Vec2(-2.7f, 2.9f) },
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{ Vec2(-0.8f, -6.6f), Vec2( 6.0f, -0.9f) },
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{ Vec2( -8.0f, 9.0f), Vec2( 8.3f, -7.0f) },
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{ Vec2(-16.0f, 10.0f), Vec2( 18.3f, 24.0f) },
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{ Vec2( 30.2f, 55.0f), Vec2(-24.3f, -1.6f) },
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{ Vec2(-33.2f, 64.1f), Vec2( 32.1f, -64.1f) },
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};
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DE_ASSERT(de::inBounds(cellNdx, 0, DE_LENGTH_OF_ARRAY(s_basicCoords)));
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const Vec2& bottomLeft = s_basicCoords[cellNdx].bottomLeft;
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const Vec2& topRight = s_basicCoords[cellNdx].topRight;
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computeQuadTexCoord2D(dst, bottomLeft, topRight);
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}
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static void getAffineTexCoord2D (std::vector<float>& dst, int cellNdx)
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{
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// Use basic coords as base.
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getBasicTexCoord2D(dst, cellNdx);
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// Rotate based on cell index.
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float angle = 2.0f*DE_PI * ((float)cellNdx / 16.0f);
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tcu::Mat2 rotMatrix = tcu::rotationMatrix(angle);
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// Second and third row are sheared.
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float shearX = de::inRange(cellNdx, 4, 11) ? (float)(15-cellNdx) / 16.0f : 0.0f;
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tcu::Mat2 shearMatrix = tcu::shearMatrix(tcu::Vec2(shearX, 0.0f));
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tcu::Mat2 transform = rotMatrix * shearMatrix;
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Vec2 p0 = transform * Vec2(dst[0], dst[1]);
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Vec2 p1 = transform * Vec2(dst[2], dst[3]);
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Vec2 p2 = transform * Vec2(dst[4], dst[5]);
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Vec2 p3 = transform * Vec2(dst[6], dst[7]);
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dst[0] = p0.x(); dst[1] = p0.y();
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dst[2] = p1.x(); dst[3] = p1.y();
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dst[4] = p2.x(); dst[5] = p2.y();
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dst[6] = p3.x(); dst[7] = p3.y();
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}
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Texture2DMipmapCase::IterateResult Texture2DMipmapCase::iterate (void)
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{
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// Constants.
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const deUint32 magFilter = GL_NEAREST;
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const glw::Functions& gl = m_renderCtx.getFunctions();
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TestLog& log = m_testCtx.getLog();
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const tcu::Texture2D& refTexture = m_texture->getRefTexture();
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const tcu::TextureFormat& texFmt = refTexture.getFormat();
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tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
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int texWidth = refTexture.getWidth();
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int texHeight = refTexture.getHeight();
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int defViewportWidth = texWidth*4;
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int defViewportHeight = texHeight*4;
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RandomViewport viewport (m_renderCtx.getRenderTarget(), defViewportWidth, defViewportHeight, deStringHash(getName()));
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ReferenceParams sampleParams (TEXTURETYPE_2D);
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vector<float> texCoord;
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bool isProjected = m_coordType == COORDTYPE_PROJECTED;
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bool useLodBias = m_coordType == COORDTYPE_BASIC_BIAS;
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tcu::Surface renderedFrame (viewport.width, viewport.height);
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// Accuracy cases test against ideal lod computation.
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tcu::Surface idealFrame (viewport.width, viewport.height);
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// Viewport is divided into 4x4 grid.
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int gridWidth = 4;
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int gridHeight = 4;
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int cellWidth = viewport.width / gridWidth;
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int cellHeight = viewport.height / gridHeight;
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// Accuracy measurements are off unless we get the expected viewport size.
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if (viewport.width < defViewportWidth || viewport.height < defViewportHeight)
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throw tcu::NotSupportedError("Too small viewport", "", __FILE__, __LINE__);
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// Sampling parameters.
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sampleParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_minFilter, magFilter);
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sampleParams.samplerType = glu::TextureTestUtil::getSamplerType(m_texture->getRefTexture().getFormat());
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sampleParams.colorBias = fmtInfo.lookupBias;
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sampleParams.colorScale = fmtInfo.lookupScale;
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sampleParams.flags = (isProjected ? ReferenceParams::PROJECTED : 0) | (useLodBias ? ReferenceParams::USE_BIAS : 0);
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// Upload texture data.
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m_texture->upload();
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// Use unit 0.
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gl.activeTexture(GL_TEXTURE0);
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// Bind gradient texture and setup sampler parameters.
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gl.bindTexture(GL_TEXTURE_2D, m_texture->getGLTexture());
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gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_wrapS);
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gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_wrapT);
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gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_minFilter);
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gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
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GLU_EXPECT_NO_ERROR(gl.getError(), "After texture setup");
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// Bias values.
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static const float s_bias[] = { 1.0f, -2.0f, 0.8f, -0.5f, 1.5f, 0.9f, 2.0f, 4.0f };
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// Projection values.
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static const Vec4 s_projections[] =
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{
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Vec4(1.2f, 1.0f, 0.7f, 1.0f),
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Vec4(1.3f, 0.8f, 0.6f, 2.0f),
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Vec4(0.8f, 1.0f, 1.7f, 0.6f),
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Vec4(1.2f, 1.0f, 1.7f, 1.5f)
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};
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// Render cells.
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for (int gridY = 0; gridY < gridHeight; gridY++)
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{
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for (int gridX = 0; gridX < gridWidth; gridX++)
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{
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int curX = cellWidth*gridX;
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int curY = cellHeight*gridY;
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int curW = gridX+1 == gridWidth ? (viewport.width-curX) : cellWidth;
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int curH = gridY+1 == gridHeight ? (viewport.height-curY) : cellHeight;
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int cellNdx = gridY*gridWidth + gridX;
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// Compute texcoord.
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switch (m_coordType)
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{
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case COORDTYPE_BASIC_BIAS: // Fall-through.
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case COORDTYPE_PROJECTED:
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case COORDTYPE_BASIC: getBasicTexCoord2D (texCoord, cellNdx); break;
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case COORDTYPE_AFFINE: getAffineTexCoord2D (texCoord, cellNdx); break;
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default: DE_ASSERT(DE_FALSE);
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}
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if (isProjected)
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sampleParams.w = s_projections[cellNdx % DE_LENGTH_OF_ARRAY(s_projections)];
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if (useLodBias)
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sampleParams.bias = s_bias[cellNdx % DE_LENGTH_OF_ARRAY(s_bias)];
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// Render with GL.
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gl.viewport(viewport.x+curX, viewport.y+curY, curW, curH);
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m_renderer.renderQuad(0, &texCoord[0], sampleParams);
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// Render reference(s).
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{
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tcu::SurfaceAccess idealDst(idealFrame, m_renderCtx.getRenderTarget().getPixelFormat(), curX, curY, curW, curH);
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sampleParams.lodMode = LODMODE_EXACT;
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sampleTexture(idealDst, m_texture->getRefTexture(), &texCoord[0], sampleParams);
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}
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}
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}
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// Read result.
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glu::readPixels(m_renderCtx, viewport.x, viewport.y, renderedFrame.getAccess());
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// Compare and log.
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{
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const int bestScoreDiff = (texWidth/16)*(texHeight/16);
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const int worstScoreDiff = texWidth*texHeight;
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int score = measureAccuracy(log, idealFrame, renderedFrame, bestScoreDiff, worstScoreDiff);
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m_testCtx.setTestResult(QP_TEST_RESULT_PASS, de::toString(score).c_str());
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}
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return STOP;
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}
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// TextureCubeMipmapCase
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class TextureCubeMipmapCase : public tcu::TestCase
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{
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public:
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TextureCubeMipmapCase (tcu::TestContext& testCtx,
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glu::RenderContext& renderCtx,
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const glu::ContextInfo& renderCtxInfo,
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const char* name,
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const char* desc,
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CoordType coordType,
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deUint32 minFilter,
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deUint32 wrapS,
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deUint32 wrapT,
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deUint32 format,
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deUint32 dataType,
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int size);
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~TextureCubeMipmapCase (void);
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void init (void);
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void deinit (void);
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IterateResult iterate (void);
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private:
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TextureCubeMipmapCase (const TextureCubeMipmapCase& other);
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TextureCubeMipmapCase& operator= (const TextureCubeMipmapCase& other);
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glu::RenderContext& m_renderCtx;
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const glu::ContextInfo& m_renderCtxInfo;
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CoordType m_coordType;
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deUint32 m_minFilter;
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deUint32 m_wrapS;
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deUint32 m_wrapT;
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deUint32 m_format;
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deUint32 m_dataType;
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int m_size;
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glu::TextureCube* m_texture;
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TextureRenderer m_renderer;
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};
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TextureCubeMipmapCase::TextureCubeMipmapCase (tcu::TestContext& testCtx,
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glu::RenderContext& renderCtx,
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const glu::ContextInfo& renderCtxInfo,
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const char* name,
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const char* desc,
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CoordType coordType,
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deUint32 minFilter,
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deUint32 wrapS,
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deUint32 wrapT,
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deUint32 format,
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deUint32 dataType,
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int size)
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: TestCase (testCtx, tcu::NODETYPE_ACCURACY, name, desc)
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, m_renderCtx (renderCtx)
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, m_renderCtxInfo (renderCtxInfo)
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, m_coordType (coordType)
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, m_minFilter (minFilter)
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, m_wrapS (wrapS)
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, m_wrapT (wrapT)
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, m_format (format)
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, m_dataType (dataType)
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, m_size (size)
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, m_texture (DE_NULL)
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, m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_100_ES,
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renderCtxInfo.isFragmentHighPrecisionSupported() ? glu::PRECISION_HIGHP // Use highp if available.
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: glu::PRECISION_MEDIUMP)
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{
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}
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TextureCubeMipmapCase::~TextureCubeMipmapCase (void)
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{
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deinit();
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}
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void TextureCubeMipmapCase::init (void)
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{
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if (!m_renderCtxInfo.isFragmentHighPrecisionSupported())
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m_testCtx.getLog() << TestLog::Message << "Warning: High precision not supported in fragment shaders." << TestLog::EndMessage;
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m_texture = new TextureCube(m_renderCtx, m_format, m_dataType, m_size);
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int numLevels = deLog2Floor32(m_size)+1;
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// Fill texture with colored grid.
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for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++)
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{
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for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
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{
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deUint32 step = 0xff / (numLevels-1);
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deUint32 inc = deClamp32(step*levelNdx, 0x00, 0xff);
|
|
deUint32 dec = 0xff - inc;
|
|
deUint32 rgb = 0;
|
|
|
|
switch (faceNdx)
|
|
{
|
|
case 0: rgb = (inc << 16) | (dec << 8) | 255; break;
|
|
case 1: rgb = (255 << 16) | (inc << 8) | dec; break;
|
|
case 2: rgb = (dec << 16) | (255 << 8) | inc; break;
|
|
case 3: rgb = (dec << 16) | (inc << 8) | 255; break;
|
|
case 4: rgb = (255 << 16) | (dec << 8) | inc; break;
|
|
case 5: rgb = (inc << 16) | (255 << 8) | dec; break;
|
|
}
|
|
|
|
deUint32 color = 0xff000000 | rgb;
|
|
|
|
m_texture->getRefTexture().allocLevel((tcu::CubeFace)faceNdx, levelNdx);
|
|
tcu::clear(m_texture->getRefTexture().getLevelFace(levelNdx, (tcu::CubeFace)faceNdx), tcu::RGBA(color).toVec());
|
|
}
|
|
}
|
|
}
|
|
|
|
void TextureCubeMipmapCase::deinit (void)
|
|
{
|
|
delete m_texture;
|
|
m_texture = DE_NULL;
|
|
|
|
m_renderer.clear();
|
|
}
|
|
|
|
static void randomPartition (vector<IVec4>& dst, de::Random& rnd, int x, int y, int width, int height)
|
|
{
|
|
const int minWidth = 8;
|
|
const int minHeight = 8;
|
|
|
|
bool partition = rnd.getFloat() > 0.4f;
|
|
bool partitionX = partition && width > minWidth && rnd.getBool();
|
|
bool partitionY = partition && height > minHeight && !partitionX;
|
|
|
|
if (partitionX)
|
|
{
|
|
int split = width/2 + rnd.getInt(-width/4, +width/4);
|
|
randomPartition(dst, rnd, x, y, split, height);
|
|
randomPartition(dst, rnd, x+split, y, width-split, height);
|
|
}
|
|
else if (partitionY)
|
|
{
|
|
int split = height/2 + rnd.getInt(-height/4, +height/4);
|
|
randomPartition(dst, rnd, x, y, width, split);
|
|
randomPartition(dst, rnd, x, y+split, width, height-split);
|
|
}
|
|
else
|
|
dst.push_back(IVec4(x, y, width, height));
|
|
}
|
|
|
|
static void computeGridLayout (vector<IVec4>& dst, int width, int height)
|
|
{
|
|
de::Random rnd(7);
|
|
randomPartition(dst, rnd, 0, 0, width, height);
|
|
}
|
|
|
|
TextureCubeMipmapCase::IterateResult TextureCubeMipmapCase::iterate (void)
|
|
{
|
|
// Constants.
|
|
const deUint32 magFilter = GL_NEAREST;
|
|
|
|
int texWidth = m_texture->getRefTexture().getSize();
|
|
int texHeight = m_texture->getRefTexture().getSize();
|
|
|
|
int defViewportWidth = texWidth*2;
|
|
int defViewportHeight = texHeight*2;
|
|
|
|
const glw::Functions& gl = m_renderCtx.getFunctions();
|
|
TestLog& log = m_testCtx.getLog();
|
|
RandomViewport viewport (m_renderCtx.getRenderTarget(), defViewportWidth, defViewportHeight, deStringHash(getName()));
|
|
tcu::Sampler sampler = mapGLSampler(m_wrapS, m_wrapT, m_minFilter, magFilter);
|
|
|
|
vector<float> texCoord;
|
|
|
|
bool isProjected = m_coordType == COORDTYPE_PROJECTED;
|
|
bool useLodBias = m_coordType == COORDTYPE_BASIC_BIAS;
|
|
|
|
tcu::Surface renderedFrame (viewport.width, viewport.height);
|
|
|
|
// Accuracy cases test against ideal lod computation.
|
|
tcu::Surface idealFrame (viewport.width, viewport.height);
|
|
|
|
// Accuracy measurements are off unless we get the expected viewport size.
|
|
if (viewport.width < defViewportWidth || viewport.height < defViewportHeight)
|
|
throw tcu::NotSupportedError("Too small viewport", "", __FILE__, __LINE__);
|
|
|
|
// Upload texture data.
|
|
m_texture->upload();
|
|
|
|
// Use unit 0.
|
|
gl.activeTexture(GL_TEXTURE0);
|
|
|
|
// Bind gradient texture and setup sampler parameters.
|
|
gl.bindTexture(GL_TEXTURE_CUBE_MAP, m_texture->getGLTexture());
|
|
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, m_wrapS);
|
|
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, m_wrapT);
|
|
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, m_minFilter);
|
|
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, magFilter);
|
|
|
|
GLU_EXPECT_NO_ERROR(gl.getError(), "After texture setup");
|
|
|
|
// Compute grid.
|
|
vector<IVec4> gridLayout;
|
|
computeGridLayout(gridLayout, viewport.width, viewport.height);
|
|
|
|
// Bias values.
|
|
static const float s_bias[] = { 1.0f, -2.0f, 0.8f, -0.5f, 1.5f, 0.9f, 2.0f, 4.0f };
|
|
|
|
// Projection values \note Less agressive than in 2D case due to smaller quads.
|
|
static const Vec4 s_projections[] =
|
|
{
|
|
Vec4(1.2f, 1.0f, 0.7f, 1.0f),
|
|
Vec4(1.3f, 0.8f, 0.6f, 1.1f),
|
|
Vec4(0.8f, 1.0f, 1.2f, 0.8f),
|
|
Vec4(1.2f, 1.0f, 1.3f, 0.9f)
|
|
};
|
|
|
|
for (int cellNdx = 0; cellNdx < (int)gridLayout.size(); cellNdx++)
|
|
{
|
|
int curX = gridLayout[cellNdx].x();
|
|
int curY = gridLayout[cellNdx].y();
|
|
int curW = gridLayout[cellNdx].z();
|
|
int curH = gridLayout[cellNdx].w();
|
|
tcu::CubeFace cubeFace = (tcu::CubeFace)(cellNdx % tcu::CUBEFACE_LAST);
|
|
ReferenceParams params (TEXTURETYPE_CUBE);
|
|
|
|
params.sampler = sampler;
|
|
|
|
DE_ASSERT(m_coordType != COORDTYPE_AFFINE); // Not supported.
|
|
computeQuadTexCoordCube(texCoord, cubeFace);
|
|
|
|
if (isProjected)
|
|
{
|
|
params.flags |= ReferenceParams::PROJECTED;
|
|
params.w = s_projections[cellNdx % DE_LENGTH_OF_ARRAY(s_projections)];
|
|
}
|
|
|
|
if (useLodBias)
|
|
{
|
|
params.flags |= ReferenceParams::USE_BIAS;
|
|
params.bias = s_bias[cellNdx % DE_LENGTH_OF_ARRAY(s_bias)];
|
|
}
|
|
|
|
// Render with GL.
|
|
gl.viewport(viewport.x+curX, viewport.y+curY, curW, curH);
|
|
m_renderer.renderQuad(0, &texCoord[0], params);
|
|
|
|
// Render reference(s).
|
|
{
|
|
tcu::SurfaceAccess idealDst(idealFrame, m_renderCtx.getRenderTarget().getPixelFormat(), curX, curY, curW, curH);
|
|
params.lodMode = LODMODE_EXACT;
|
|
sampleTexture(idealDst, m_texture->getRefTexture(), &texCoord[0], params);
|
|
}
|
|
}
|
|
|
|
// Read result.
|
|
glu::readPixels(m_renderCtx, viewport.x, viewport.y, renderedFrame.getAccess());
|
|
|
|
// Compare and log.
|
|
{
|
|
const int bestScoreDiff = (texWidth/16)*(texHeight/16);
|
|
const int worstScoreDiff = texWidth*texHeight;
|
|
|
|
int score = measureAccuracy(log, idealFrame, renderedFrame, bestScoreDiff, worstScoreDiff);
|
|
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, de::toString(score).c_str());
|
|
}
|
|
|
|
return STOP;
|
|
}
|
|
|
|
TextureMipmapTests::TextureMipmapTests (Context& context)
|
|
: TestCaseGroup(context, "mipmap", "Mipmapping accuracy tests")
|
|
{
|
|
}
|
|
|
|
TextureMipmapTests::~TextureMipmapTests (void)
|
|
{
|
|
}
|
|
|
|
void TextureMipmapTests::init (void)
|
|
{
|
|
tcu::TestCaseGroup* group2D = new tcu::TestCaseGroup(m_testCtx, "2d", "2D Texture Mipmapping");
|
|
tcu::TestCaseGroup* groupCube = new tcu::TestCaseGroup(m_testCtx, "cube", "Cube Map Filtering");
|
|
addChild(group2D);
|
|
addChild(groupCube);
|
|
|
|
static const struct
|
|
{
|
|
const char* name;
|
|
deUint32 mode;
|
|
} wrapModes[] =
|
|
{
|
|
{ "clamp", GL_CLAMP_TO_EDGE },
|
|
{ "repeat", GL_REPEAT },
|
|
{ "mirror", GL_MIRRORED_REPEAT }
|
|
};
|
|
|
|
static const struct
|
|
{
|
|
const char* name;
|
|
deUint32 mode;
|
|
} minFilterModes[] =
|
|
{
|
|
{ "nearest_nearest", GL_NEAREST_MIPMAP_NEAREST },
|
|
{ "linear_nearest", GL_LINEAR_MIPMAP_NEAREST },
|
|
{ "nearest_linear", GL_NEAREST_MIPMAP_LINEAR },
|
|
{ "linear_linear", GL_LINEAR_MIPMAP_LINEAR }
|
|
};
|
|
|
|
static const struct
|
|
{
|
|
CoordType type;
|
|
const char* name;
|
|
const char* desc;
|
|
} coordTypes[] =
|
|
{
|
|
{ COORDTYPE_BASIC, "basic", "Mipmapping with translated and scaled coordinates" },
|
|
{ COORDTYPE_AFFINE, "affine", "Mipmapping with affine coordinate transform" },
|
|
{ COORDTYPE_PROJECTED, "projected", "Mipmapping with perspective projection" }
|
|
};
|
|
|
|
const int tex2DWidth = 64;
|
|
const int tex2DHeight = 64;
|
|
|
|
// 2D cases.
|
|
for (int coordType = 0; coordType < DE_LENGTH_OF_ARRAY(coordTypes); coordType++)
|
|
{
|
|
tcu::TestCaseGroup* coordTypeGroup = new tcu::TestCaseGroup(m_testCtx, coordTypes[coordType].name, coordTypes[coordType].desc);
|
|
group2D->addChild(coordTypeGroup);
|
|
|
|
for (int minFilter = 0; minFilter < DE_LENGTH_OF_ARRAY(minFilterModes); minFilter++)
|
|
{
|
|
for (int wrapMode = 0; wrapMode < DE_LENGTH_OF_ARRAY(wrapModes); wrapMode++)
|
|
{
|
|
std::ostringstream name;
|
|
name << minFilterModes[minFilter].name
|
|
<< "_" << wrapModes[wrapMode].name;
|
|
|
|
coordTypeGroup->addChild(new Texture2DMipmapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
|
|
name.str().c_str(), "",
|
|
coordTypes[coordType].type,
|
|
minFilterModes[minFilter].mode,
|
|
wrapModes[wrapMode].mode,
|
|
wrapModes[wrapMode].mode,
|
|
GL_RGBA, GL_UNSIGNED_BYTE,
|
|
tex2DWidth, tex2DHeight));
|
|
}
|
|
}
|
|
}
|
|
|
|
const int cubeMapSize = 64;
|
|
|
|
static const struct
|
|
{
|
|
CoordType type;
|
|
const char* name;
|
|
const char* desc;
|
|
} cubeCoordTypes[] =
|
|
{
|
|
{ COORDTYPE_BASIC, "basic", "Mipmapping with translated and scaled coordinates" },
|
|
{ COORDTYPE_PROJECTED, "projected", "Mipmapping with perspective projection" }
|
|
};
|
|
|
|
// Cubemap cases.
|
|
for (int coordType = 0; coordType < DE_LENGTH_OF_ARRAY(cubeCoordTypes); coordType++)
|
|
{
|
|
tcu::TestCaseGroup* coordTypeGroup = new tcu::TestCaseGroup(m_testCtx, cubeCoordTypes[coordType].name, cubeCoordTypes[coordType].desc);
|
|
groupCube->addChild(coordTypeGroup);
|
|
|
|
for (int minFilter = 0; minFilter < DE_LENGTH_OF_ARRAY(minFilterModes); minFilter++)
|
|
{
|
|
coordTypeGroup->addChild(new TextureCubeMipmapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
|
|
minFilterModes[minFilter].name, "",
|
|
cubeCoordTypes[coordType].type,
|
|
minFilterModes[minFilter].mode,
|
|
GL_CLAMP_TO_EDGE,
|
|
GL_CLAMP_TO_EDGE,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, cubeMapSize));
|
|
}
|
|
}
|
|
}
|
|
|
|
} // Accuracy
|
|
} // gles2
|
|
} // deqp
|