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add imageIndex/levelIndex to getHasAlpha #83

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add imageIndex/levelIndex to getHasAlpha #83

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8 changes: 4 additions & 4 deletions webgl/transcoder/basis_wrappers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -49,13 +49,13 @@ struct basis_file
m_file.clear();
}

uint32_t getHasAlpha() {
uint32_t getHasAlpha(uint32_t imageIndex, uint32_t levelIndex) {
assert(m_magic == MAGIC);
if (m_magic != MAGIC)
return 0;

basisu_image_level_info li;
if (!m_transcoder.get_image_level_info(m_file.data(), m_file.size(), li, 0, 0))
if (!m_transcoder.get_image_level_info(m_file.data(), m_file.size(), li, imageIndex, levelIndex))
return 0;

return li.m_alpha_flag;
Expand Down Expand Up @@ -236,8 +236,8 @@ EMSCRIPTEN_BINDINGS(basis_transcoder) {
.function("close", optional_override([](basis_file& self) {
return self.close();
}))
.function("getHasAlpha", optional_override([](basis_file& self) {
return self.getHasAlpha();
.function("getHasAlpha", optional_override([](basis_file& self, uint32_t imageIndex, uint32_t levelIndex) {
return self.getHasAlpha(imageIndex, levelIndex);
}))
.function("getNumImages", optional_override([](basis_file& self) {
return self.getNumImages();
Expand Down
Binary file modified webgl/transcoder/build/basis_transcoder.wasm
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