Add ktx

2026-06-14 19:09:18 +01:00
parent 14bd1a9271
commit 13fa90a0e9
3958 changed files with 999286 additions and 4 deletions
@@ -0,0 +1,109 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab: */
+
+/*
+ * Copyright 2018-2020 Mark Callow.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file    ES1LoadTests.cpp
+ * @brief  List of tests of the KTX loader for OpenGL ES 1.1.
+ *
+ * The loader is tested by loading and drawing KTX textures in various formats
+ * using the DrawTexture and TexturedCube samples.
+ */
+
+#include <sstream>
+#include <ktx.h>
+
+#include "GLLoadTests.h"
+#include "DrawTexture.h"
+#include "TexturedCube.h"
+
+LoadTestSample*
+GLLoadTests::showFile(const std::string& filename)
+{
+    KTX_error_code ktxresult;
+    ktxTexture* kTexture;
+    ktxresult = ktxTexture_CreateFromNamedFile(filename.c_str(),
+                                        KTX_TEXTURE_CREATE_NO_FLAGS,
+                                        &kTexture);
+    if (KTX_SUCCESS != ktxresult) {
+        std::stringstream message;
+
+        message << "Creation of ktxTexture from \"" << getAssetPath()
+                << filename << "\" failed: " << ktxErrorString(ktxresult);
+        throw std::runtime_error(message.str());
+    }
+
+    LoadTestSample::PFN_create createViewer;
+    LoadTestSample* pViewer;
+    createViewer = DrawTexture::create;
+    ktxTexture_Destroy(kTexture);
+    pViewer = createViewer(w_width, w_height, filename.c_str(), "");
+    return pViewer;
+}
+
+const GLLoadTests::sampleInvocation siSamples[] = {
+    { DrawTexture::create,
+      "--npot hi_mark.ktx",
+      "RGB8 NPOT HI Logo"
+    },
+    { DrawTexture::create,
+      "--npot luminance-reference-metadata.ktx",
+      "LUMINANCE8 NPOT"
+    },
+    { DrawTexture::create,
+      "orient-up-metadata.ktx",
+      "RGB8 + KTXOrientation up"
+    },
+    { DrawTexture::create,
+      "orient-down-metadata.ktx",
+      "RGB8 + KTXOrientation down"
+    },
+    { DrawTexture::create,
+      "etc1.ktx",
+      "ETC1 RGB8"
+    },
+    { DrawTexture::create,
+      "etc2-rgb.ktx",
+      "ETC2 RGB8"
+    },
+    { DrawTexture::create,
+      "etc2-rgba1.ktx",
+      "ETC2 RGB8A1"
+    },
+    { DrawTexture::create,
+      "etc2-rgba8.ktx",
+      "ETC2 RGB8A8"
+    },
+    { DrawTexture::create,
+      "rgba-reference.ktx",
+      "RGBA8"
+    },
+    { TexturedCube::create,
+      "rgb-reference.ktx",
+      "RGB8"
+    },
+    { TexturedCube::create,
+      "rgb-amg-reference.ktx",
+      "RGB8 + Auto Mipmap"
+    },
+    { TexturedCube::create,
+      "rgb-mipmap-reference.ktx",
+      "RGB8 Color/level mipmap"
+    },
+    { TexturedCube::create,
+      "--npot hi_mark_sq.ktx",
+      "RGB8 NPOT HI Logo"
+    },
+};
+
+const int iNumSamples = sizeof(siSamples) / sizeof(GLLoadTests::sampleInvocation);
+
+AppBaseSDL* theApp = new GLLoadTests(siSamples, iNumSamples,
+                                         "KTX Loader Tests for OpenGL ES 1",
+                                         SDL_GL_CONTEXT_PROFILE_ES, 1, 1);
+
+