modules/gles3/performance/es3pTextureFilteringTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * drawElements Quality Program OpenGL ES 3.0 Module
   3  * -------------------------------------------------
   4  *
   5  * Copyright 2014 The Android Open Source Project
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief Texture filtering performance tests.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "es3pTextureFilteringTests.hpp"
  25 #include "es3pTextureCases.hpp"
  26 #include "tcuMatrixUtil.hpp"
  27
  28 #include "glwEnums.hpp"
  29
  30 using std::string;
  31
  32 namespace deqp
  33 {
  34 namespace gles3
  35 {
  36 namespace Performance
  37 {
  38
  39 TextureFilteringTests::TextureFilteringTests (Context& context)
  40         : TestCaseGroup(context, "filter", "Texture Filtering Performance Tests")
  41 {
  42 }
  43
  44 TextureFilteringTests::~TextureFilteringTests (void)
  45 {
  46 }
  47
  48 void TextureFilteringTests::init (void)
  49 {
  50         static const struct
  51         {
  52                 const char*     name;
  53                 deUint32        internalFormat;
  54         } texFormats[] =
  55         {
  56                 { "rgb565",             GL_RGB565       },
  57                 { "rgba8",              GL_RGBA8        },
  58                 { "rg16f",              GL_RG16F        },
  59                 { "rgba16f",    GL_RGBA16F      }
  60         };
  61         static const struct
  62         {
  63                 const char*     name;
  64                 deUint32        filter;
  65                 bool            minify;
  66         } cases[] =
  67         {
  68                 { "nearest",                            GL_NEAREST,                                     true    },
  69                 { "nearest",                            GL_NEAREST,                                     false   },
  70                 { "linear",                                     GL_LINEAR,                                      true    },
  71                 { "linear",                                     GL_LINEAR,                                      false   },
  72                 { "nearest_mipmap_nearest",     GL_NEAREST_MIPMAP_NEAREST,      true    },
  73                 { "nearest_mipmap_linear",      GL_NEAREST_MIPMAP_LINEAR,       true    },
  74                 { "linear_mipmap_nearest",      GL_LINEAR_MIPMAP_NEAREST,       true    },
  75                 { "linear_mipmap_linear",       GL_LINEAR_MIPMAP_LINEAR,        true    }
  76         };
  77
  78         tcu::Mat3 minTransform  = tcu::translationMatrix(tcu::Vec2(-0.3f, -0.6f)) * tcu::Mat3(tcu::Vec3(1.7f, 2.3f, 1.0f));
  79         tcu::Mat3 magTransform  = tcu::translationMatrix(tcu::Vec2( 0.3f,  0.4f)) * tcu::Mat3(tcu::Vec3(0.3f, 0.2f, 1.0f));
  80
  81         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++)
  82         {
  83                 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(texFormats); formatNdx++)
  84                 {
  85                         deUint32        format          = texFormats[formatNdx].internalFormat;
  86                         deUint32        minFilter       = cases[caseNdx].filter;
  87                         deUint32        magFilter       = (minFilter == GL_NEAREST || minFilter == GL_LINEAR) ? minFilter : GL_LINEAR;
  88                         deUint32        wrapS           = GL_REPEAT;
  89                         deUint32        wrapT           = GL_REPEAT;
  90                         int                     numTextures     = 1;
  91                         bool            minify          = cases[caseNdx].minify;
  92                         string          name            = string(cases[caseNdx].name) + (minify ? "_minify_" : "_magnify_") + texFormats[formatNdx].name;
  93
  94                         addChild(new Texture2DRenderCase(m_context, name.c_str(), "", format, wrapS, wrapT, minFilter, magFilter, minify ? minTransform : magTransform, numTextures, true /* pot */));
  95                 }
  96         }
  97 }
  98
  99 } // Performance
 100 } // gles3
 101 } // deqp