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Buffer Pooling Optimization
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bbabb9aae8
commit
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@ -103,30 +103,29 @@ void destroy_buffer(struct pool_buffer *buffer) {
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}
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struct pool_buffer *get_next_buffer(struct wl_shm *shm,
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struct pool_buffer pool[static 2], uint32_t width, uint32_t height) {
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struct pool_buffer *buffer = NULL;
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struct pool_buffer pool[static 2],
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uint32_t width, uint32_t height) {
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for (size_t i = 0; i < 2; ++i) {
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if (!pool[i].busy &&
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(pool[i].width == width && pool[i].height == height)) {
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pool[i].busy = true;
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return &pool[i];
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}
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}
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for (size_t i = 0; i < 2; ++i) {
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if (pool[i].busy) {
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continue;
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}
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buffer = &pool[i];
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}
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for (size_t i = 0; i < 2; ++i) {
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if (!pool[i].busy) {
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if (pool[i].width != width || pool[i].height != height) {
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destroy_buffer(&pool[i]);
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}
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if (create_buffer(shm, &pool[i], width, height, WL_SHM_FORMAT_ARGB8888)) {
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pool[i].busy = true;
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return &pool[i];
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} else {
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break; // Unable to create buffer
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}
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}
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}
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if (!buffer) {
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return NULL;
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}
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if (buffer->width != width || buffer->height != height) {
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destroy_buffer(buffer);
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}
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if (!buffer->buffer) {
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if (!create_buffer(shm, buffer, width, height,
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WL_SHM_FORMAT_ARGB8888)) {
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return NULL;
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}
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}
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buffer->busy = true;
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return buffer;
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return NULL; // No available buffer found
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}
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