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Use fill shader.

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Thomas Harte
2026-02-05 10:33:04 -05:00
parent 5b97de8cb0
commit 1332aba17e
2 changed files with 12 additions and 1 deletions
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11
Outputs/OpenGL/ScanTarget.cpp
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@@ -448,6 +448,17 @@ void ScanTarget::update(const int output_width, const int output_height) {
test_gl([&]{ glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, GLsizei(num_dirty_zones)); });
}
// Now retroactively clear the composition buffer; doing this post hoc avoids uncertainty about the
// exact timing of a new line being drawn to, as well as fitting more neatly into when dirty zones
// are bound.
composition_buffer_.bind_framebuffer();
if(is_composite(existing_modals_->display_type)) {
fill_shader_.bind(0.0, 0.0, 0.0, 0.0);
} else {
fill_shader_.bind(0.0, 0.5, 0.5, 1.0);
}
test_gl([&]{ glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, GLsizei(num_dirty_zones)); });
// Submit new lines.
lines_.bind_all();
size_t buffer_destination = 0;