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add setImage method to set texture image directly from buffer

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This commit is contained in:
Nick Fisher
2025-03-04 18:15:54 +08:00
parent f7fa02180a
commit 9abb192148
3 changed files with 77 additions and 4 deletions
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49
thermion_dart/native/src/c_api/TTexture.cpp
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@@ -105,6 +105,55 @@ namespace thermion
return true;
}
EMSCRIPTEN_KEEPALIVE bool Texture_setImage(
TEngine *tEngine,
TTexture *tTexture,
uint32_t level,
uint8_t *data,
size_t size,
uint32_t width,
uint32_t height,
uint32_t channels,
uint32_t tBufferFormat,
uint32_t tPixelDataType
) {
auto engine = reinterpret_cast<filament::Engine *>(tEngine);
auto texture = reinterpret_cast<filament::Texture *>(tTexture);
auto bufferFormat = static_cast<PixelBufferDescriptor::PixelDataFormat>(tBufferFormat);
auto pixelDataType = static_cast<PixelBufferDescriptor::PixelDataType>(tPixelDataType);
switch (bufferFormat)
{
case PixelBufferDescriptor::PixelDataFormat::RGB:
case PixelBufferDescriptor::PixelDataFormat::RGBA:
if(size != width * height * channels * sizeof(float)) {
Log("Size mismatch");
return false;
}
break;
case PixelBufferDescriptor::PixelDataFormat::RGB_INTEGER:
case PixelBufferDescriptor::PixelDataFormat::RGBA_INTEGER:
if(size != width * height * channels * sizeof(uint8_t)) {
Log("Size mismatch");
// return false;
}
break;
default:
Log("Unsupported buffer format type : %d", bufferFormat);
return false;
}
filament::Texture::PixelBufferDescriptor buffer(
data,
size,
bufferFormat,
pixelDataType);
texture->setImage(*engine, level, std::move(buffer));
return true;
}
EMSCRIPTEN_KEEPALIVE TLinearImage *Image_createEmpty(uint32_t width,uint32_t height,uint32_t channel) {
auto *image = new ::image::LinearImage(width, height, channel);