Catcrafts/Crafter.Graphics
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selective clearing

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This commit is contained in:
Jorijn van der Graaf 2025-11-26 18:48:58 +01:00
commit 9bb36c990d
7 changed files with 98 additions and 30 deletions
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27
implementations/Crafter.Graphics-Window_wayland.cpp
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@ -192,7 +192,6 @@ void WindowWayland::RenderElement(Transform* transform) {
// Bounds check for source buffer
if (src_x >= 0 && src_x < static_cast<std::int_fast32_t>(src_width) && src_y >= 0 && src_y < static_cast<std::int_fast32_t>(src_height)) {
// Direct copy for opaque elements (skip blending)
framebuffer[y * width + x] = src_buffer[src_y * src_width + src_x];
}
@ -232,15 +231,27 @@ void WindowWayland::Render() {
elements.erase(std::remove(elements.begin(), elements.end(), static_cast<Transform*>(nullptr)), elements.end());
std::sort(elements.begin(), elements.end(), [](Transform* a, Transform* b){ return a->z < b->z; });
// Clear screen efficiently using memset
memset(framebuffer, 0, width * height * sizeof(Pixel_BU8_GU8_RU8_AU8));
for(Transform* child : elements) {
RenderElement(child);
if (!dirtyRects.empty()) {
for (const ScaleData& rect : dirtyRects) {
for (std::int_fast32_t y = rect.y; y < rect.y + rect.height && y < height; y++) {
for (std::int_fast32_t x = rect.x; x < rect.x + rect.width && x < width; x++) {
framebuffer[y * width + x] = {0, 0, 0, 0};
}
}
}
for(Transform* child : elements) {
RenderElement(child);
}
for (const ScaleData& rect : dirtyRects) {
wl_surface_damage(surface, rect.x, rect.y, rect.width, rect.height);
}
dirtyRects.clear();
}
wl_surface_attach(surface, buffer, 0, 0);
wl_surface_damage(surface, 0, 0, width, height);
wl_surface_commit(surface);
}
@ -267,7 +278,7 @@ void WindowWayland::Write(Pixel_BU8_GU8_RU8_AU8* pixels) {
}
void WindowWayland::Write(std::uint_fast32_t x, std::uint_fast32_t y, Pixel_BU8_GU8_RU8_AU8 pixel) {
framebuffer[y * width + x] = pixel;
framebuffer[y * width + x] = pixel;
}
Pixel_BU8_GU8_RU8_AU8 WindowWayland::Read(std::uint_fast32_t x, std::uint_fast32_t y) const{