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Route RTT region readbacks through backend

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omigamedev
2026-06-04 21:01:13 +02:00
parent b9dbcd10d7
commit 15c58bfb21
8 changed files with 86 additions and 58 deletions
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8
src/canvas_layer.cpp
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@@ -561,14 +561,12 @@ LayerFrame::Snapshot LayerFrame::snapshot(std::array<glm::vec4, 6>* dirty_box /*
snap.image[i] = std::make_unique<uint8_t[]>(m_rtt[i].bytes());
m_rtt[i].bindFramebuffer();
glm::vec2 box_sz = zw(snap.m_dirty_box[i]) - xy(snap.m_dirty_box[i]);
glReadPixels(static_cast<int>(snap.m_dirty_box[i].x), static_cast<int>(snap.m_dirty_box[i].y),
m_rtt[i].readPixelsRgba8(
static_cast<int>(snap.m_dirty_box[i].x),
static_cast<int>(snap.m_dirty_box[i].y),
static_cast<int>(box_sz.x), static_cast<int>(box_sz.y),
pp::renderer::gl::rgba_pixel_format(),
pp::renderer::gl::unsigned_byte_component_type(),
snap.image[i].get());
m_rtt[i].unbindFramebuffer();
}
});
return snap;