Avoid classic texture uploads during modern view changes

Author: elyosh

src/xvt/render/render_quad.c

@@ -1,5 +1,9 @@
 #include "xvt/render/render_quad.h"
 
+#ifdef XVT_MODERN
+#include "aeron/compat/host.h"
+#endif
+
 #include "xvt/assets/object_type.h"
 #include "xvt/flight/flight.h"
 #include "xvt/flight/flight_view.h"
@@ -119,6 +123,12 @@ void RenderQuad_DrawRotatedSprite(int angle, int screenX, int screenY, uint16_t
 	int rleFormat;
 	Std3DTexCacheNode* texture;
 
+#ifdef XVT_MODERN
+	/* Suppress before texture lookup so hidden classic draws do not refill the cache. */
+	if (AeronDx5_IsClassicFlightRenderingSuppressed())
+		return;
+#endif
+
 	textureBytes = (const uint8_t*)textureLevel;
 	imageHeader = (const TexLevelImageHeader*)textureLevel;
 	screenY = g_flightVpHeight - screenY;

src/xvt/render/render_scene.c

@@ -1,5 +1,6 @@
 #include "xvt/render/render_scene.h"
 #ifdef XVT_MODERN
+#include "aeron/compat/host.h"
 #include "xvt_runtime/assets/opt_native.h"
 #endif
 
@@ -491,6 +492,12 @@ void RenderScene_DrawMeshFaces(const SceneMesh* mesh) {
 		COLOR_KEY_TRIANGLE_FLAGS = STD3D_RS_ALPHA_BLEND
 	};
 
+#ifdef XVT_MODERN
+	/* Suppress before texture lookup so hidden classic draws do not refill the cache. */
+	if (AeronDx5_IsClassicFlightRenderingSuppressed())
+		return;
+#endif
+
 	vertexIndex = mesh->vertBaseIndex;
 	previousTexels = NULL;
 	vertices = (RenderClipVertex*)&g_projVertList[vertexIndex];