Catcrafts/Crafter.Graphics
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

optimization

Browse source
This commit is contained in:
Jorijn van der Graaf 2025-11-25 02:31:24 +01:00
commit 39f151e865
2 changed files with 8 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

15
implementations/Crafter.Graphics-Window_wayland.cpp
View file

@ -160,24 +160,23 @@ void WindowWayland::StartSync() {
void RenderElement(UiElementBufferBuffer* element, WindowWayland* window) {
std::vector<Pixel_BU8_GU8_RU8_AU8> scaled(element->transform.scaled.width*element->transform.scaled.height);
element->CopyNearestNeighbour(scaled.data(), element->transform.scaled.width, element->transform.scaled.height);
for (std::int_fast32_t x = element->transform.scaled.x; x - element->transform.scaled.x < element->transform.scaled.width; x++) {
for (std::int_fast32_t y = element->transform.scaled.y; y - element->transform.scaled.y < element->transform.scaled.height; y++) {
if (x >= 0 && x < window->width && y >= 0 && y < window->height) {
Pixel_BU8_GU8_RU8_AU8& dst = window->framebuffer[y * window->width + x];
const Pixel_BU8_GU8_RU8_AU8& src = scaled[(y - element->transform.scaled.y) * element->transform.scaled.width + (x - element->transform.scaled.x)];
const Pixel_BU8_GU8_RU8_AU8& src = element->scaled[(y - element->transform.scaled.y) * element->transform.scaled.width + (x - element->transform.scaled.x)];
float srcA = src.a / 255.0f;
float dstA = dst.a / 255.0f;
float outA = srcA + dstA * (1.0f - srcA);
if (outA > 0.0f) {
dst.r = static_cast<uint8_t>((src.r * srcA + dst.r * dstA * (1.0f - srcA)) / outA);
dst.g = static_cast<uint8_t>((src.g * srcA + dst.g * dstA * (1.0f - srcA)) / outA);
dst.b = static_cast<uint8_t>((src.b * srcA + dst.b * dstA * (1.0f - srcA)) / outA);
dst.a = static_cast<uint8_t>(outA * 255);
dst = {
static_cast<uint8_t>((src.b * srcA + dst.b * dstA * (1.0f - srcA)) / outA),
static_cast<uint8_t>((src.g * srcA + dst.g * dstA * (1.0f - srcA)) / outA),
static_cast<uint8_t>((src.r * srcA + dst.r * dstA * (1.0f - srcA)) / outA),
static_cast<uint8_t>(outA * 255)
};
}
}
}