From 762a241fa6b66540d2c196f64d6331cf471888ba Mon Sep 17 00:00:00 2001 From: samcake Date: Wed, 2 Dec 2015 18:03:58 -0800 Subject: [PATCH] Adding specific path for loading lightmaps --- .../src/model-networking/ModelCache.cpp | 3 +- .../src/model-networking/TextureCache.h | 2 +- libraries/model/src/model/TextureMap.cpp | 88 ++++++++++++++++++- libraries/model/src/model/TextureMap.h | 2 + 4 files changed, 91 insertions(+), 4 deletions(-) diff --git a/libraries/model-networking/src/model-networking/ModelCache.cpp b/libraries/model-networking/src/model-networking/ModelCache.cpp index c7d3523496..ddb6449dc7 100644 --- a/libraries/model-networking/src/model-networking/ModelCache.cpp +++ b/libraries/model-networking/src/model-networking/ModelCache.cpp @@ -308,10 +308,9 @@ static NetworkMaterial* buildNetworkMaterial(const FBXMaterial& material, const material._material->setTextureMap(model::MaterialKey::GLOSS_MAP, glossMap); } if (!material.emissiveTexture.filename.isEmpty()) { - networkMaterial->emissiveTexture = textureCache->getTexture(textureBaseUrl.resolved(QUrl(material.emissiveTexture.filename)), EMISSIVE_TEXTURE, material.emissiveTexture.content); + networkMaterial->emissiveTexture = textureCache->getTexture(textureBaseUrl.resolved(QUrl(material.emissiveTexture.filename)), LIGHTMAP_TEXTURE, material.emissiveTexture.content); networkMaterial->emissiveTextureName = material.emissiveTexture.name; - //checkForTexcoordLightmap = true; auto lightmapMap = model::TextureMapPointer(new model::TextureMap()); lightmapMap->setTextureSource(networkMaterial->emissiveTexture->_textureSource); diff --git a/libraries/model-networking/src/model-networking/TextureCache.h b/libraries/model-networking/src/model-networking/TextureCache.h index cc22509631..4171b6c1cb 100644 --- a/libraries/model-networking/src/model-networking/TextureCache.h +++ b/libraries/model-networking/src/model-networking/TextureCache.h @@ -29,7 +29,7 @@ class NetworkTexture; typedef QSharedPointer NetworkTexturePointer; -enum TextureType { DEFAULT_TEXTURE, NORMAL_TEXTURE, BUMP_TEXTURE, SPECULAR_TEXTURE, EMISSIVE_TEXTURE, CUBE_TEXTURE, CUSTOM_TEXTURE }; +enum TextureType { DEFAULT_TEXTURE, NORMAL_TEXTURE, BUMP_TEXTURE, SPECULAR_TEXTURE, EMISSIVE_TEXTURE, CUBE_TEXTURE, LIGHTMAP_TEXTURE, CUSTOM_TEXTURE }; /// Stores cached textures, including render-to-texture targets. class TextureCache : public ResourceCache, public Dependency { diff --git a/libraries/model/src/model/TextureMap.cpp b/libraries/model/src/model/TextureMap.cpp index d443522a6f..453bb17a4b 100755 --- a/libraries/model/src/model/TextureMap.cpp +++ b/libraries/model/src/model/TextureMap.cpp @@ -119,7 +119,7 @@ gpu::Texture* TextureUsage::create2DTextureFromImage(const QImage& srcImage, con if ((image.width() > 0) && (image.height() > 0)) { // bool isLinearRGB = true; //(_type == NORMAL_TEXTURE) || (_type == EMISSIVE_TEXTURE); - bool isLinearRGB = true; //(_type == NORMAL_TEXTURE) || (_type == EMISSIVE_TEXTURE); + bool isLinearRGB = false; //(_type == NORMAL_TEXTURE) || (_type == EMISSIVE_TEXTURE); gpu::Element formatGPU = gpu::Element(gpu::VEC3, gpu::UINT8, (isLinearRGB ? gpu::RGB : gpu::SRGB)); gpu::Element formatMip = gpu::Element(gpu::VEC3, gpu::UINT8, (isLinearRGB ? gpu::RGB : gpu::SRGB)); @@ -520,3 +520,89 @@ gpu::Texture* TextureUsage::createCubeTextureFromImage(const QImage& srcImage, c return theTexture; } + + +gpu::Texture* TextureUsage::createLightmapTextureFromImage(const QImage& srcImage, const std::string& srcImageName) { + QImage image = srcImage; + + int imageArea = image.width() * image.height(); + + int opaquePixels = 0; + int translucentPixels = 0; + //bool isTransparent = false; + int redTotal = 0, greenTotal = 0, blueTotal = 0, alphaTotal = 0; + const int EIGHT_BIT_MAXIMUM = 255; + QColor averageColor(EIGHT_BIT_MAXIMUM, EIGHT_BIT_MAXIMUM, EIGHT_BIT_MAXIMUM); + + if (!image.hasAlphaChannel()) { + if (image.format() != QImage::Format_RGB888) { + image = image.convertToFormat(QImage::Format_RGB888); + } + // int redTotal = 0, greenTotal = 0, blueTotal = 0; + for (int y = 0; y < image.height(); y++) { + for (int x = 0; x < image.width(); x++) { + QRgb rgb = image.pixel(x, y); + redTotal += qRed(rgb); + greenTotal += qGreen(rgb); + blueTotal += qBlue(rgb); + } + } + if (imageArea > 0) { + averageColor.setRgb(redTotal / imageArea, greenTotal / imageArea, blueTotal / imageArea); + } + } else { + if (image.format() != QImage::Format_ARGB32) { + image = image.convertToFormat(QImage::Format_ARGB32); + } + + // check for translucency/false transparency + // int opaquePixels = 0; + // int translucentPixels = 0; + // int redTotal = 0, greenTotal = 0, blueTotal = 0, alphaTotal = 0; + for (int y = 0; y < image.height(); y++) { + for (int x = 0; x < image.width(); x++) { + QRgb rgb = image.pixel(x, y); + redTotal += qRed(rgb); + greenTotal += qGreen(rgb); + blueTotal += qBlue(rgb); + int alpha = qAlpha(rgb); + alphaTotal += alpha; + if (alpha == EIGHT_BIT_MAXIMUM) { + opaquePixels++; + } else if (alpha != 0) { + translucentPixels++; + } + } + } + if (opaquePixels == imageArea) { + qCDebug(modelLog) << "Image with alpha channel is completely opaque:" << QString(srcImageName.c_str()); + image = image.convertToFormat(QImage::Format_RGB888); + } + + averageColor = QColor(redTotal / imageArea, + greenTotal / imageArea, blueTotal / imageArea, alphaTotal / imageArea); + + //isTransparent = (translucentPixels >= imageArea / 2); + } + + gpu::Texture* theTexture = nullptr; + if ((image.width() > 0) && (image.height() > 0)) { + + // bool isLinearRGB = true; //(_type == NORMAL_TEXTURE) || (_type == EMISSIVE_TEXTURE); + bool isLinearRGB = false; //(_type == NORMAL_TEXTURE) || (_type == EMISSIVE_TEXTURE); + + gpu::Element formatGPU = gpu::Element(gpu::VEC3, gpu::UINT8, (isLinearRGB ? gpu::RGB : gpu::SRGB)); + gpu::Element formatMip = gpu::Element(gpu::VEC3, gpu::UINT8, (isLinearRGB ? gpu::RGB : gpu::SRGB)); + if (image.hasAlphaChannel()) { + formatGPU = gpu::Element(gpu::VEC4, gpu::UINT8, (isLinearRGB ? gpu::RGBA : gpu::SRGBA)); + formatMip = gpu::Element(gpu::VEC4, gpu::UINT8, (isLinearRGB ? gpu::BGRA : gpu::SBGRA)); + } + + + theTexture = (gpu::Texture::create2D(formatGPU, image.width(), image.height(), gpu::Sampler(gpu::Sampler::FILTER_MIN_MAG_MIP_LINEAR))); + theTexture->assignStoredMip(0, formatMip, image.byteCount(), image.constBits()); + theTexture->autoGenerateMips(-1); + } + + return theTexture; +} diff --git a/libraries/model/src/model/TextureMap.h b/libraries/model/src/model/TextureMap.h index 107ca2e879..6bc5b8228c 100755 --- a/libraries/model/src/model/TextureMap.h +++ b/libraries/model/src/model/TextureMap.h @@ -35,6 +35,8 @@ public: static gpu::Texture* createNormalTextureFromNormalImage(const QImage& image, const std::string& srcImageName); static gpu::Texture* createNormalTextureFromBumpImage(const QImage& image, const std::string& srcImageName); static gpu::Texture* createCubeTextureFromImage(const QImage& image, const std::string& srcImageName); + static gpu::Texture* createLightmapTextureFromImage(const QImage& image, const std::string& srcImageName); + };