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optimization

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This commit is contained in:
Jorijn van der Graaf 2025-11-26 00:00:50 +01:00
commit bf6793e41d
5 changed files with 51 additions and 43 deletions
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41
implementations/Crafter.Graphics-Window_wayland.cpp
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@ -178,22 +178,37 @@ void WindowWayland::RenderElement(Transform* transform) {
std::uint_fast32_t src_width = element->scaled.width;
std::uint_fast32_t src_height = element->scaled.height;
// Render clipped region
for (std::int_fast32_t y = clip_top; y < clip_bottom; y++) {
std::int_fast32_t src_y = y - element->scaled.y;
for (std::int_fast32_t x = clip_left; x < clip_right; x++) {
std::int_fast32_t src_x = x - element->scaled.x;
// If element is opaque, we can simply copy pixels without blending
if (element->opaque) {
// Render clipped region
for (std::int_fast32_t y = clip_top; y < clip_bottom; y++) {
std::int_fast32_t src_y = y - element->scaled.y;
// 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)) {
for (std::int_fast32_t x = clip_left; x < clip_right; x++) {
std::int_fast32_t src_x = x - element->scaled.x;
// Get pixel indices
std::uint_fast32_t dst_idx = y * width + x;
std::uint_fast32_t src_idx = src_y * src_width + src_x;
// 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];
}
}
}
} else {
// Render clipped region with blending for non-opaque elements
for (std::int_fast32_t y = clip_top; y < clip_bottom; y++) {
std::int_fast32_t src_y = y - element->scaled.y;
for (std::int_fast32_t x = clip_left; x < clip_right; x++) {
std::int_fast32_t src_x = x - element->scaled.x;
// Blend pixels
blend_pixel_optimized(framebuffer[dst_idx], src_buffer[src_idx]);
// 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)) {
// Blend pixels
blend_pixel_optimized(framebuffer[y * width + x], src_buffer[src_y * src_width + src_x]);
}
}
}
}