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authorSergeanur <s.anureev@yandex.ua>2020-11-23 21:46:07 +0100
committerSergeanur <s.anureev@yandex.ua>2020-12-01 21:54:19 +0100
commita259b6b8ab7124b68bbc0f0b80c5560a672a502a (patch)
tree93f31535b1bd0b5a95b89c5af0c00174657186d7 /src/rw/TexturePools.cpp
parentAdd GTA_REPLAY (diff)
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Diffstat (limited to 'src/rw/TexturePools.cpp')
-rw-r--r--src/rw/TexturePools.cpp221
1 files changed, 221 insertions, 0 deletions
diff --git a/src/rw/TexturePools.cpp b/src/rw/TexturePools.cpp
new file mode 100644
index 00000000..c2ba6cf9
--- /dev/null
+++ b/src/rw/TexturePools.cpp
@@ -0,0 +1,221 @@
+#ifndef LIBRW
+
+#include <d3d8.h>
+#define WITHD3D
+#include "common.h"
+#include "TexturePools.h"
+
+// TODO: this needs to be integrated into RW
+
+extern "C" LPDIRECT3DDEVICE8 _RwD3DDevice;
+
+CTexturePool aTexturePools[12];
+CPaletteList PaletteList;
+int numTexturePools;
+int MaxPaletteIndex;
+bool bUsePaletteIndex = true;
+
+
+void
+CTexturePool::Create(D3DFORMAT _Format, int _size, uint32 mipmapLevels, int32 numTextures)
+{
+ Format = _Format;
+ size = _size;
+ levels = mipmapLevels;
+ pTextures = new IDirect3DTexture8 *[numTextures];
+ texturesMax = numTextures;
+ texturesNum = 0;
+ texturesUsed = 0;
+}
+
+void
+CTexturePool::Release()
+{
+ int i = 0;
+ while (i < texturesNum) {
+ pTextures[i]->Release();
+ i++;
+ }
+
+ delete[] pTextures;
+
+ pTextures = nil;
+ texturesNum = 0;
+ texturesUsed = 0;
+}
+
+IDirect3DTexture8 *
+CTexturePool::FindTexture()
+{
+ if (texturesNum == 0)
+ return nil;
+ texturesUsed--;
+ return pTextures[--texturesNum];
+}
+
+bool
+CTexturePool::AddTexture(IDirect3DTexture8 *texture)
+{
+ ++texturesUsed;
+ if (texturesNum >= texturesMax)
+ return false;
+ pTextures[texturesNum] = texture;
+ ++texturesNum;
+ return true;
+}
+
+void
+CTexturePool::Resize(int numTextures)
+{
+ if (numTextures == texturesMax)
+ return;
+
+ IDirect3DTexture8 **newTextures = new IDirect3DTexture8 *[numTextures];
+
+ for (int i = 0; i < texturesNum && i < numTextures; i++)
+ newTextures[i] = pTextures[i];
+
+ if (numTextures < texturesNum) {
+ for (int i = numTextures; i < texturesNum; i++)
+ pTextures[i]->Release();
+ }
+ delete[] pTextures;
+ pTextures = newTextures;
+ texturesMax = numTextures;
+}
+
+void
+CPaletteList::Alloc(int max)
+{
+ Data = new int[max];
+ Max = max;
+ Num = 0;
+}
+
+void
+CPaletteList::Free()
+{
+ delete[] Data;
+ Data = nil;
+ Num = 0;
+}
+
+int
+CPaletteList::Find()
+{
+ if (Num == 0)
+ return -1;
+ return Data[--Num];
+}
+
+void
+CPaletteList::Add(int item)
+{
+ if (Num < Max)
+ Data[Num++] = item;
+ else {
+ Resize(2 * Max);
+ Add(item);
+ }
+}
+
+void
+CPaletteList::Resize(int max)
+{
+ if (max == Max)
+ return;
+
+ int *newData = new int[4 * max];
+ for (int i = 0; i < Num && i < max; i++)
+ newData[i] = Data[i];
+ delete[] Data;
+ Data = newData;
+ Max = max;
+}
+
+HRESULT
+CreateTexture(int width, int height, int levels, D3DFORMAT Format, IDirect3DTexture8 **texture)
+{
+ if (width == height) {
+ for (int i = 0; i < numTexturePools; i++) {
+ if (width != aTexturePools[i].GetSize() && levels == aTexturePools[i].levels && Format == aTexturePools[i].Format)
+ *texture = aTexturePools[i].FindTexture();
+ }
+ }
+ if (*texture)
+ return D3D_OK;
+ else
+ return _RwD3DDevice->CreateTexture(width, height, levels, 0, Format, D3DPOOL_MANAGED, texture);
+}
+
+void
+ReleaseTexture(IDirect3DTexture8 *texture)
+{
+ int levels = 1;
+ if (texture->GetLevelCount() > 1)
+ levels = 0;
+
+ D3DSURFACE_DESC SURFACE_DESC;
+
+ texture->GetLevelDesc(0, &SURFACE_DESC);
+
+ if (SURFACE_DESC.Width == SURFACE_DESC.Height) {
+ for (int i = 0; i < numTexturePools; i++) {
+ if (SURFACE_DESC.Width == aTexturePools[i].GetSize() && SURFACE_DESC.Format == aTexturePools[i].Format && levels == aTexturePools[i].levels) {
+ if (!aTexturePools[i].AddTexture(texture)) {
+ if (aTexturePools[i].texturesUsed > 3 * aTexturePools[i].texturesMax / 2) {
+ aTexturePools[i].Resize(2 * aTexturePools[i].texturesMax);
+ aTexturePools[i].texturesUsed--;
+ aTexturePools[i].AddTexture(texture);
+ } else {
+ texture->Release();
+ }
+ }
+ return;
+ }
+ }
+ }
+ if (numTexturePools < 12 && bUsePaletteIndex && levels != 0 && SURFACE_DESC.Width == SURFACE_DESC.Height &&
+ (SURFACE_DESC.Width == 64 || SURFACE_DESC.Width == 128 || SURFACE_DESC.Width == 256)) {
+ aTexturePools[numTexturePools].Create(SURFACE_DESC.Format, SURFACE_DESC.Width, 1, 16);
+ aTexturePools[numTexturePools].AddTexture(texture);
+ numTexturePools++;
+ } else
+ texture->Release();
+}
+
+int
+FindAvailablePaletteIndex()
+{
+ int index = PaletteList.Find();
+ if (index == -1)
+ index = MaxPaletteIndex++;
+ return index;
+}
+
+void
+AddAvailablePaletteIndex(int index)
+{
+ if (bUsePaletteIndex)
+ PaletteList.Add(index);
+}
+
+void
+_TexturePoolsInitialise()
+{
+ PaletteList.Alloc(100);
+ MaxPaletteIndex = 0;
+}
+
+void
+_TexturePoolsShutdown()
+{
+ for (int i = 0; i < numTexturePools; i++)
+ aTexturePools[i].Release();
+
+ numTexturePools = 0;
+ bUsePaletteIndex = false;
+ PaletteList.Free();
+}
+
+#endif // !LIBRW \ No newline at end of file