aiden/video-shader-toys
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Changed defaults

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Aiden
2026-05-21 15:08:36 +10:00
parent a9eeed30cf
commit 09efe2d6a0
6 changed files with 30 additions and 9 deletions
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20
src/render/runtime/RuntimeTextTextureCache.cpp
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@@ -102,11 +102,20 @@ void RuntimeTextTextureCache::UpdateArtifactState(const RuntimeShaderArtifact& a
mArtifact.parameterValues = artifact.parameterValues;
}
void RuntimeTextTextureCache::RefreshTextTextures()
void RuntimeTextTextureCache::RefreshTextTextures(RuntimeShaderArtifact* artifactState)
{
if (artifactState)
artifactState->textTextureWidthScales.clear();
for (TextTexture& textTexture : mTextTextures)
{
EnsureTextTexture(textTexture);
if (artifactState)
{
const float scale = textTexture.width == 0
? 1.0f
: static_cast<float>(textTexture.liveWidth) / static_cast<float>(textTexture.width);
artifactState->textTextureWidthScales[textTexture.parameterId] = scale;
}
}
}
@@ -326,7 +335,8 @@ bool RuntimeTextTextureCache::EnsureTextTexture(TextTexture& texture)
unsigned width = 0;
unsigned height = 0;
std::vector<unsigned char> pixels = ComposeTextMask(*atlas, texture, text, width, height);
unsigned liveWidth = 1;
std::vector<unsigned char> pixels = ComposeTextMask(*atlas, texture, text, width, height, liveWidth);
if (pixels.empty() || width == 0 || height == 0)
return false;
@@ -356,10 +366,11 @@ bool RuntimeTextTextureCache::EnsureTextTexture(TextTexture& texture)
texture.cachedText = text;
texture.width = width;
texture.height = height;
texture.liveWidth = liveWidth;
return texture.texture != 0;
}
std::vector<unsigned char> RuntimeTextTextureCache::ComposeTextMask(const Atlas& atlas, const TextTexture& texture, const std::string& text, unsigned& width, unsigned& height) const
std::vector<unsigned char> RuntimeTextTextureCache::ComposeTextMask(const Atlas& atlas, const TextTexture& texture, const std::string& text, unsigned& width, unsigned& height, unsigned& liveWidth) const
{
double advance = 0.0;
for (unsigned char character : text)
@@ -370,7 +381,8 @@ std::vector<unsigned char> RuntimeTextTextureCache::ComposeTextMask(const Atlas&
}
const unsigned fixedWidth = static_cast<unsigned>(std::ceil(static_cast<double>(texture.maxLength) * kFontPixelsPerEm * 0.9)) + kTextTexturePadding * 2u;
width = (std::max)(fixedWidth, static_cast<unsigned>(std::ceil(advance * kFontPixelsPerEm)) + kTextTexturePadding * 2u);
liveWidth = (std::max)(1u, static_cast<unsigned>(std::ceil(advance * kFontPixelsPerEm)) + kTextTexturePadding * 2u);
width = (std::max)(fixedWidth, liveWidth);
height = kTextTextureHeight;
std::vector<unsigned char> mask(static_cast<std::size_t>(width) * height, 0);