tweak(shadow): Double 3D shadow buffers in W3DBufferManager (#1691)

Author: xezon

Generals/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DBufferManager.h

@@ -36,16 +36,25 @@
 #include "dx8vertexbuffer.h"
 #include "dx8indexbuffer.h"
 
-#define MAX_VB_SIZES 128	//number of different sized VB slots allowed.
-#define MIN_SLOT_SIZE	32	//minimum number of vertices allocated per slot (power of 2). See also MIN_SLOT_SIZE_SHIFT.
-#define	MIN_SLOT_SIZE_SHIFT	5 //used for division by MIN_SLOT_SIZE
-#define MAX_VERTEX_BUFFERS_CREATED	32	//maximum number of D3D vertex buffers allowed to create per vertex type.
-#define DEFAULT_VERTEX_BUFFER_SIZE	8192	//this size ends up generating VB's of about 256Kbytes
-#define MAX_NUMBER_SLOTS	4096			//maximum number of slots that can be allocated.
-
+// TheSuperHackers @info The max sizes correspond to a number of vertices and indices of a mesh casting shadows
+// in the scene. The more vertices the meshes are supposed to have, the higher these limits need to be.
+// Multiplying these numbers by MIN_SLOT_SIZE gives the max supported amount of vertices and indices.
+#define MAX_VB_SIZES 128 //number of different sized VB slots allowed.
 #define MAX_IB_SIZES 128 //number of different sized IB slots allowed (goes all the way up to 65536)
-#define MAX_INDEX_BUFFERS_CREATED	32
-#define DEFAULT_INDEX_BUFFER_SIZE	32768
+
+#define MIN_SLOT_SIZE_SHIFT 5 //used for division by MIN_SLOT_SIZE
+#define MIN_SLOT_SIZE (1 << MIN_SLOT_SIZE_SHIFT) //minimum number of vertices allocated per slot (power of 2).
+
+// TheSuperHackers @info The number of slots corresponds to number of meshes casting shadows in the scene.
+// The more meshes there are, the larger the slots needs to be.
+// TheSuperHackers @tweak Double the original sizes to allow for twice as many shadows to be created in the scene.
+#define SLOTS_MULTIPLIER 2
+#define MAX_NUMBER_SLOTS (4096 * SLOTS_MULTIPLIER) //maximum number of slots that can be allocated.
+#define MAX_VERTEX_BUFFERS_CREATED (32 * SLOTS_MULTIPLIER) //maximum number of D3D vertex buffers allowed to create per vertex type.
+#define MAX_INDEX_BUFFERS_CREATED (32 * SLOTS_MULTIPLIER)
+
+#define DEFAULT_VERTEX_BUFFER_SIZE 8192 //this size ends up generating VB's of about 256Kbytes
+#define DEFAULT_INDEX_BUFFER_SIZE 32768
 
 class W3DBufferManager
 {

GeneralsMD/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DBufferManager.h

@@ -36,16 +36,25 @@
 #include "dx8vertexbuffer.h"
 #include "dx8indexbuffer.h"
 
-#define MAX_VB_SIZES 128	//number of different sized VB slots allowed.
-#define MIN_SLOT_SIZE	32	//minimum number of vertices allocated per slot (power of 2). See also MIN_SLOT_SIZE_SHIFT.
-#define	MIN_SLOT_SIZE_SHIFT	5 //used for division by MIN_SLOT_SIZE
-#define MAX_VERTEX_BUFFERS_CREATED	32	//maximum number of D3D vertex buffers allowed to create per vertex type.
-#define DEFAULT_VERTEX_BUFFER_SIZE	8192	//this size ends up generating VB's of about 256Kbytes
-#define MAX_NUMBER_SLOTS	4096			//maximum number of slots that can be allocated.
-
+// TheSuperHackers @info The max sizes correspond to a number of vertices and indices of a mesh casting shadows
+// in the scene. The more vertices the meshes are supposed to have, the higher these limits need to be.
+// Multiplying these numbers by MIN_SLOT_SIZE gives the max supported amount of vertices and indices.
+#define MAX_VB_SIZES 128 //number of different sized VB slots allowed.
 #define MAX_IB_SIZES 128 //number of different sized IB slots allowed (goes all the way up to 65536)
-#define MAX_INDEX_BUFFERS_CREATED	32
-#define DEFAULT_INDEX_BUFFER_SIZE	32768
+
+#define MIN_SLOT_SIZE_SHIFT 5 //used for division by MIN_SLOT_SIZE
+#define MIN_SLOT_SIZE (1 << MIN_SLOT_SIZE_SHIFT) //minimum number of vertices allocated per slot (power of 2).
+
+// TheSuperHackers @info The number of slots corresponds to number of meshes casting shadows in the scene.
+// The more meshes there are, the larger the slots needs to be.
+// TheSuperHackers @tweak Double the original sizes to allow for twice as many shadows to be created in the scene.
+#define SLOTS_MULTIPLIER 2
+#define MAX_NUMBER_SLOTS (4096 * SLOTS_MULTIPLIER) //maximum number of slots that can be allocated.
+#define MAX_VERTEX_BUFFERS_CREATED (32 * SLOTS_MULTIPLIER) //maximum number of D3D vertex buffers allowed to create per vertex type.
+#define MAX_INDEX_BUFFERS_CREATED (32 * SLOTS_MULTIPLIER)
+
+#define DEFAULT_VERTEX_BUFFER_SIZE 8192 //this size ends up generating VB's of about 256Kbytes
+#define DEFAULT_INDEX_BUFFER_SIZE 32768
 
 class W3DBufferManager
 {