Start StateEfb

src/egg/gfx/eggStateEfb.cpp

@@ -1,3 +1,45 @@
 #include "egg/gfx/eggStateEfb.h"
 
-namespace EGG {} // namespace EGG
+#include "common.h"
+#include "egg/gfx/eggTextureBuffer.h"
+
+namespace EGG {
+
+StateEfb::Buffer StateEfb::spBufferSet[BUFFER_MAX];
+f32 StateEfb::sWorkSpaceV[6];
+f32 StateEfb::sWorkSpaceHideV[6];
+f32 StateEfb::sUnkBuffer[6];
+
+u32 StateEfb::sFlag = 4;
+s32 StateEfb::sWorkBuffer = -1;
+
+s32 StateEfb::sPushCount;
+
+void StateEfb::Clean() {
+    sFlag &= ~(1 | 2);
+    sWorkBuffer = -1;
+    sPushCount = 0;
+    
+    for (u32 i = 0; i < ARRAY_LENGTH(spBufferSet); i++) {
+        spBufferSet[i].field_0x08 = 0;
+    }
+    
+    for (u32 i = 0; i < ARRAY_LENGTH(sWorkSpaceV); i++) {
+        sWorkSpaceV[i] = 0.0f;
+        sWorkSpaceHideV[i] = 0.0f;
+    }
+}
+
+bool StateEfb::releaseEfb(BufferType type, u32 userData) {
+    if (spBufferSet[type].buf != nullptr && spBufferSet[type].userData == userData) {
+        spBufferSet[type].buf->free();
+        spBufferSet[type].buf = nullptr;
+        spBufferSet[type].userData = 0;
+        spBufferSet[type].field_0x08 = 0;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+} // namespace EGG