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Fix some smaller issues with texture/image handling

This commit is contained in:
sfan5 2024-11-08 13:15:20 +01:00
parent 4aae31ad5e
commit 58ccf0ba82
6 changed files with 44 additions and 28 deletions

View file

@ -145,21 +145,15 @@ void Sky::render()
float offset = (1.0 - fabs(sin((m_time_of_day - 0.5) * irr::core::PI))) * 511;
if (m_sun_tonemap) {
u8 * texels = (u8 *)m_sun_tonemap->lock();
video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4);
video::SColor texel_color (255, texel->getRed(),
texel->getGreen(), texel->getBlue());
m_sun_tonemap->unlock();
auto texel_color = m_sun_tonemap->getPixel(offset, 0);
texel_color.setAlpha(255);
// Only accessed by our code later, not used by a shader
m_materials[3].ColorParam = texel_color;
}
if (m_moon_tonemap) {
u8 * texels = (u8 *)m_moon_tonemap->lock();
video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4);
video::SColor texel_color (255, texel->getRed(),
texel->getGreen(), texel->getBlue());
m_moon_tonemap->unlock();
auto texel_color = m_moon_tonemap->getPixel(offset, 0);
texel_color.setAlpha(255);
// Only accessed by our code later, not used by a shader
m_materials[4].ColorParam = texel_color;
}
@ -711,14 +705,33 @@ void Sky::place_sky_body(
}
}
// FIXME: stupid helper that does a pointless texture upload/download
static void getTextureAsImage(video::IImage *&dst, const std::string &name, ITextureSource *tsrc)
{
if (dst) {
dst->drop();
dst = nullptr;
}
if (tsrc->isKnownSourceImage(name)) {
auto *texture = tsrc->getTexture(name);
assert(texture);
auto *driver = RenderingEngine::get_video_driver();
dst = driver->createImageFromData(
texture->getColorFormat(), texture->getSize(),
texture->lock(video::ETLM_READ_ONLY));
texture->unlock();
}
}
void Sky::setSunTexture(const std::string &sun_texture,
const std::string &sun_tonemap, ITextureSource *tsrc)
{
// Ignore matching textures (with modifiers) entirely,
// but lets at least update the tonemap before hand.
m_sun_params.tonemap = sun_tonemap;
m_sun_tonemap = tsrc->isKnownSourceImage(sun_tonemap) ?
tsrc->getTexture(sun_tonemap) : nullptr;
if (m_sun_params.tonemap != sun_tonemap) {
m_sun_params.tonemap = sun_tonemap;
getTextureAsImage(m_sun_tonemap, sun_tonemap, tsrc);
}
if (m_sun_params.texture == sun_texture && !m_first_update)
return;
@ -758,9 +771,10 @@ void Sky::setMoonTexture(const std::string &moon_texture,
{
// Ignore matching textures (with modifiers) entirely,
// but lets at least update the tonemap before hand.
m_moon_params.tonemap = moon_tonemap;
m_moon_tonemap = tsrc->isKnownSourceImage(moon_tonemap) ?
tsrc->getTexture(moon_tonemap) : nullptr;
if (m_moon_params.tonemap != moon_tonemap) {
m_moon_params.tonemap = moon_tonemap;
getTextureAsImage(m_moon_tonemap, moon_tonemap, tsrc);
}
if (m_moon_params.texture == moon_texture && !m_first_update)
return;