eggGraphicsFifo matching

1 files changed, 35 insertions, 0 deletions

diff --git a/src/egg/core/eggGraphicsFifo.cpp b/src/egg/core/eggGraphicsFifo.cpp
new file mode 100644
index 00000000..bb937d13
--- /dev/null
+++ b/src/egg/core/eggGraphicsFifo.cpp
@@ -0,0 +1,35 @@
+#include <rvl/GX.h>
+#include <egg/core/eggGraphicsFifo.h>
+#include <egg/core/eggHeap.h>
+
+
+extern "C" void *GXInit(void *buf, u32 bufSize);
+extern "C" void GXGetGPStatus(GXBool *overhi, GXBool *underlow, GXBool *readIdle, GXBool *cmdIdle, GXBool *brkpt);
+
+namespace EGG {
+
+
+GraphicsFifo *GraphicsFifo::sGraphicsFifo;
+u8 GraphicsFifo::sGpStatus[];
+
+void GraphicsFifo::create(u32 size, Heap *heap) {
+    if (heap == nullptr) {
+        heap = Heap::sCurrentHeap;
+    }
+    sGraphicsFifo = new(heap, 0x04) GraphicsFifo(size, heap);
+}
+
+GraphicsFifo::~GraphicsFifo() {
+    do {
+        GXGetGPStatus(&sGpStatus[0], &sGpStatus[1], &sGpStatus[2], &sGpStatus[3], &sGpStatus[4]);
+    } while (sGpStatus[2] == false);
+    Heap::free(mBuffBase, nullptr);
+}
+
+GraphicsFifo::GraphicsFifo(u32 size, Heap *heap) {
+    mBufSize = ROUND_UP(size, 0x20);
+    mBuffBase = Heap::alloc(mBufSize, 0x20, heap);
+    mGxInitData = GXInit(mBuffBase, mBufSize);
+}
+
+} // namespace EGG