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[DEV] add GPU size in images

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This commit is contained in:
Edouard DUPIN 2017-06-18 13:58:37 +02:00
parent b0eea46065
commit f345c9c664
2 changed files with 33 additions and 0 deletions
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32
egami/Image.cpp
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@ -204,6 +204,38 @@ const ivec2& egami::Image::getSize() const {
return m_data->getSize(); return m_data->getSize();
} }
/**
* @brief get the next power 2 if the input
* @param[in] value Value that we want the next power of 2
* @return result value
*/
static int32_t nextP2(int32_t _value) {
int32_t val=1;
for (int32_t iii=1; iii<31; iii++) {
if (_value <= val) {
return val;
}
val *=2;
}
EGAMI_CRITICAL("impossible CASE....");
return val;
}
ivec2 egami::Image::getGPUSize() const {
if (m_data == nullptr) {
EGAMI_DEBUG("No internal data for image (nullptr)");
static const ivec2 error(0,0);
return error;
}
#if defined(__TARGET_OS__Android) \
|| defined(__TARGET_OS__IOs)
return ivec2(nextP2(m_data->getSize().x()),
nextP2(m_data->getSize().y()));
#else
return m_data->getSize();
#endif
}
int32_t egami::Image::getWidth() const { int32_t egami::Image::getWidth() const {
if (m_data == nullptr) { if (m_data == nullptr) {
EGAMI_DEBUG("No internal data for image (nullptr)"); EGAMI_DEBUG("No internal data for image (nullptr)");

1
egami/Image.hpp
View File

@ -108,6 +108,7 @@ namespace egami {
const ivec2& getSize() const; const ivec2& getSize() const;
int32_t getWidth() const; int32_t getWidth() const;
int32_t getHeight() const; int32_t getHeight() const;
ivec2 getGPUSize() const;
void clear(const etk::Color<>& _color); void clear(const etk::Color<>& _color);
void clear(const etk::Color<float>& _color); void clear(const etk::Color<float>& _color);
void clear(const etk::Color<uint16_t, 1>& _color); void clear(const etk::Color<uint16_t, 1>& _color);