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@ -342,6 +342,7 @@ void framebuffer_auto_adjust_buffers() {
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void framebuffer_free_current_buffer() {
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void framebuffer_free_current_buffer() {
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vbuffer_t *buffer = framebuffer_get_buffer(framebuffer->head);
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vbuffer_t *buffer = framebuffer_get_buffer(framebuffer->head);
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#ifdef __DCACHE_PRESENT
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#ifdef __DCACHE_PRESENT
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// Make sure all cached CPU writes are discarded before returning the buffer.
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// Make sure all cached CPU writes are discarded before returning the buffer.
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SCB_InvalidateDCache_by_Addr(buffer->data, framebuffer_get_buffer_size());
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SCB_InvalidateDCache_by_Addr(buffer->data, framebuffer_get_buffer_size());
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@ -400,7 +401,14 @@ vbuffer_t *framebuffer_get_head(framebuffer_flags_t flags) {
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framebuffer->head = new_head;
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framebuffer->head = new_head;
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}
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}
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return framebuffer_get_buffer(new_head);
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vbuffer_t *buffer = framebuffer_get_buffer(new_head);
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#ifdef __DCACHE_PRESENT
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// Make sure any cached CPU reads are dropped before returning the buffer.
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SCB_InvalidateDCache_by_Addr(buffer->data, framebuffer_get_buffer_size());
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#endif
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return buffer;
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}
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}
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vbuffer_t *framebuffer_get_tail(framebuffer_flags_t flags) {
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vbuffer_t *framebuffer_get_tail(framebuffer_flags_t flags) {
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