Added TextureWriteAndRead to testbed.

LukasBanana · Jun 21, 2023 · a62271d · a62271d
1 parent f5affb8
commit a62271d
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Showing 3 changed files with 179 additions and 3 deletions.
diff --git a/tests/Testbed/TestTextureTypes.cpp b/tests/Testbed/TestTextureTypes.cpp
@@ -10,7 +10,7 @@
 
 DEF_TEST( TextureTypes )
 {
-    auto CreateDummyTextureAndMeasureTiming = [this](const char* name, TextureType type, const Extent3D& extent, std::uint32_t mips, std::uint32_t layers, std::uint32_t samples)
+    auto CreateDummyTextureAndMeasureTiming = [this](const char* name, TextureType type, const Extent3D& extent, std::uint32_t mips, std::uint32_t layers, std::uint32_t samples) -> TestResult
     {
         const auto t0 = Timer::Tick();
 

diff --git a/tests/Testbed/TestTextureWriteAndRead.cpp b/tests/Testbed/TestTextureWriteAndRead.cpp
@@ -6,11 +6,187 @@
  */
 
 #include "Testbed.h"
+#include <stdlib.h>
 
 
+std::uint8_t RandomUint8()
+{
+    return static_cast<std::uint8_t>(::rand() % 0xFF);
+}
+
+static void GenerateRandomColors(ColorRGBAub* colors, std::size_t count)
+{
+    for (std::size_t i = 0; i < count; ++i)
+    {
+        colors[i].r = RandomUint8();
+        colors[i].g = RandomUint8();
+        colors[i].b = RandomUint8();
+        colors[i].a = RandomUint8();
+    }
+}
+
+struct RandomColorSet
+{
+    std::vector<ColorRGBAub> colors;
+
+    void Generate(std::size_t count)
+    {
+        if (colors.size() != count)
+        {
+            colors.resize(count);
+            GenerateRandomColors(colors.data(), colors.size());
+        }
+    }
+};
+
 DEF_TEST( TextureWriteAndRead )
 {
-    //todo
+    const ColorRGBAub colorsRgbaUb4[4] =
+    {
+        ColorRGBAub{ 0xC0, 0x01, 0x12, 0xFF },
+        ColorRGBAub{ 0x80, 0x12, 0x34, 0x90 },
+        ColorRGBAub{ 0x13, 0x23, 0x56, 0x80 },
+        ColorRGBAub{ 0x12, 0x34, 0x78, 0x70 },
+    };
+
+    static RandomColorSet colorsRgbaUb16;
+    colorsRgbaUb16.Generate(16);
+
+    auto PrintImageData = [](const void* data, std::size_t dataSize) -> std::string
+    {
+        std::string s;
+        s.reserve(dataSize * 3);
+
+        char formatted[3] = {};
+        const unsigned char* bytes = reinterpret_cast<const unsigned char*>(data);
+
+        for_range(i, dataSize)
+        {
+            if (!s.empty())
+                s += ' ';
+            ::snprintf(formatted, 3, "%02X", static_cast<unsigned>(bytes[i]));
+            s += formatted;
+        }
+
+        return s;
+    };
+
+    auto CreateTextureAndTestImageData = [this, &PrintImageData](const char* name, const TextureDescriptor& texDesc, const TextureRegion& region, const void* data, std::size_t dataSize) -> TestResult
+    {
+        // Create texture object
+        Texture* tex = nullptr;
+        TestResult result = CreateTexture(texDesc, name, &tex);
+        if (result != TestResult::Passed)
+            return result;
+
+        // Write texture data
+        SrcImageDescriptor srcImage;
+        {
+            srcImage.format     = ImageFormat::RGBA;
+            srcImage.dataType   = DataType::UInt8;
+            srcImage.data       = data;
+            srcImage.dataSize   = dataSize;
+        }
+        renderer->WriteTexture(*tex, region, srcImage);
+
+        // Read texture data
+        std::vector<char> outputData;
+        outputData.resize(dataSize);
+
+        DstImageDescriptor dstImage;
+        {
+            dstImage.format     = srcImage.format;
+            dstImage.dataType   = srcImage.dataType;
+            dstImage.data       = outputData.data();
+            dstImage.dataSize   = outputData.size();
+        }
+        renderer->ReadTexture(*tex, region, dstImage);
+
+        // Release temporary texture
+        renderer->Release(*tex);
+
+        // Match input with output texture data
+        if (::memcmp(data, outputData.data(), dataSize) != 0)
+        {
+            std::string inputDataStr = PrintImageData(data, dataSize);
+            std::string outputDataStr = PrintImageData(outputData.data(), dataSize);
+
+            Log::Errorf(
+                "Mismatch between data of texture %s and initial data:\n -> Expected: [%s]\n -> Actual:   [%s] \n",
+                name, inputDataStr.c_str(), outputDataStr.c_str()
+            );
+            return TestResult::FailedMismatch;
+        }
+
+        return TestResult::Passed;
+    };
+
+    ////////////// Texture2D //////////////
+
+    TextureDescriptor tex2DDesc;
+    {
+        tex2DDesc.type           = TextureType::Texture2D;
+        tex2DDesc.format         = Format::RGBA8UNorm;
+        tex2DDesc.extent.width   = 4;
+        tex2DDesc.extent.height  = 4;
+        tex2DDesc.mipLevels      = 0;
+    }
+
+    CreateTextureAndTestImageData(
+        "tex2D{2D,4wh}:{MIP0-full-access}",
+        tex2DDesc,
+        TextureRegion{ TextureSubresource{ 0, 0 }, Offset3D{ 0, 0, 0 }, Extent3D{ 4, 4, 1 } },
+        colorsRgbaUb16.colors.data(),
+        colorsRgbaUb16.colors.size() * sizeof(ColorRGBAub)
+    );
+
+    CreateTextureAndTestImageData(
+        "tex2D{2D,4wh}:{single-texel-access}",
+        tex2DDesc,
+        TextureRegion{ TextureSubresource{ 0, 1 }, Offset3D{ 1, 1, 0 }, Extent3D{ 1, 1, 1 } },
+        &(colorsRgbaUb4[0]),
+        sizeof(ColorRGBAub)
+    );
+
+    ////////////// Texture2DArray //////////////
+
+    if (caps.features.hasArrayTextures)
+    {
+        TextureDescriptor tex2DArrayDesc;
+        {
+            tex2DArrayDesc.type           = TextureType::Texture2DArray;
+            tex2DArrayDesc.format         = Format::RGBA8UNorm;
+            tex2DArrayDesc.extent.width   = 8;
+            tex2DArrayDesc.extent.height  = 4;
+            tex2DArrayDesc.arrayLayers    = 2;
+            tex2DArrayDesc.mipLevels      = 2;
+        }
+
+        CreateTextureAndTestImageData(
+            "tex2DArray{2D[2],8w,4h}:{MIP1-full-access}",
+            tex2DArrayDesc,
+            TextureRegion{ TextureSubresource{ 0, 2, 1, 1 }, Offset3D{ 0, 0, 0 }, Extent3D{ 4, 2, 1 } },
+            colorsRgbaUb16.colors.data(),
+            colorsRgbaUb16.colors.size() * sizeof(ColorRGBAub)
+        );
+
+        CreateTextureAndTestImageData(
+            "tex2DArray{2D[2],8w,4h}:{1-layer-access}",
+            tex2DArrayDesc,
+            TextureRegion{ TextureSubresource{ 1, 1 }, Offset3D{ 1, 0, 0 }, Extent3D{ 2, 2, 1 } },
+            colorsRgbaUb4,
+            sizeof(colorsRgbaUb4)
+        );
+
+        CreateTextureAndTestImageData(
+            "tex2DArray{2D[2],8w,4h}:{2-layer-access}",
+            tex2DArrayDesc,
+            TextureRegion{ TextureSubresource{ 0, 2, 1, 1 }, Offset3D{ 1, 0, 0 }, Extent3D{ 2, 1, 1 } },
+            colorsRgbaUb4,
+            sizeof(colorsRgbaUb4)
+        );
+    }
+
     return TestResult::Passed;
 }
 
diff --git a/tests/Testbed/TestbedContext.cpp b/tests/Testbed/TestbedContext.cpp
@@ -26,7 +26,7 @@ static bool HasArgument(int argc, char* argv[], const char* search)
 
 TestbedContext::TestbedContext(const char* moduleName, int argc, char* argv[]) :
     showTiming { HasArgument(argc, argv, "-t") || HasArgument(argc, argv, "--timing") },
-    fastTest   { HasArgument(argc, argv, "-fast")                                     }
+    fastTest   { HasArgument(argc, argv, "-f") || HasArgument(argc, argv, "--fast")   }
 {
     RenderSystemDescriptor rendererDesc;
     {