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don't render text parts if alpha == 0

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SamGondelman 2019-01-28 23:32:16 -08:00
parent 9aae9d13f6
commit 7fa676a846
1 changed files with 14 additions and 11 deletions
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25
libraries/entities-renderer/src/RenderableTextEntityItem.cpp
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@ -194,19 +194,22 @@ void TextEntityRenderer::doRender(RenderArgs* args) {
transformToTopLeft.postTranslate(dimensions * glm::vec3(-0.5f, 0.5f, 0.0f)); // Go to the top left
transformToTopLeft.setScale(1.0f); // Use a scale of one so that the text is not deformed
batch.setModelTransform(transformToTopLeft);
auto geometryCache = DependencyManager::get<GeometryCache>();
geometryCache->bindSimpleProgram(batch, false, backgroundColor.a < 1.0f, false, false, false);
geometryCache->renderQuad(batch, minCorner, maxCorner, backgroundColor, _geometryID);
if (backgroundColor.a > 0.0f) {
batch.setModelTransform(transformToTopLeft);
auto geometryCache = DependencyManager::get<GeometryCache>();
geometryCache->bindSimpleProgram(batch, false, backgroundColor.a < 1.0f, false, false, false);
geometryCache->renderQuad(batch, minCorner, maxCorner, backgroundColor, _geometryID);
}
// FIXME: Factor out textRenderer so that text parts can be grouped by pipeline for a gpu performance increase.
float scale = _lineHeight / _textRenderer->getFontSize();
transformToTopLeft.setScale(scale); // Scale to have the correct line height
batch.setModelTransform(transformToTopLeft);
if (textColor.a > 0.0f) {
// FIXME: Factor out textRenderer so that text parts can be grouped by pipeline for a gpu performance increase.
float scale = _lineHeight / _textRenderer->getFontSize();
transformToTopLeft.setScale(scale); // Scale to have the correct line height
batch.setModelTransform(transformToTopLeft);
glm::vec2 bounds = glm::vec2(dimensions.x - (_leftMargin + _rightMargin),
dimensions.y - (_topMargin + _bottomMargin));
_textRenderer->draw(batch, _leftMargin / scale, -_topMargin / scale, _text, textColor, bounds / scale);
glm::vec2 bounds = glm::vec2(dimensions.x - (_leftMargin + _rightMargin), dimensions.y - (_topMargin + _bottomMargin));
_textRenderer->draw(batch, _leftMargin / scale, -_topMargin / scale, _text, textColor, bounds / scale);
}
}
QSizeF TextEntityRenderer::textSize(const QString& text) const {