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authorAki <please@ignore.pl>2022-04-01 21:23:39 +0200
committerAki <please@ignore.pl>2022-04-01 21:23:39 +0200
commit3c487c5cd69c53d6fea948643c0a76df03516605 (patch)
tree72730c7b8b26a5ef8fc9a987ec4c16129efd5aac /Stars45/TexDX9.cpp
parent8f353abd0bfe18baddd8a8250ab7c4f2d1c83a6e (diff)
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Moved Stars45 to StarsEx
Diffstat (limited to 'Stars45/TexDX9.cpp')
-rw-r--r--Stars45/TexDX9.cpp416
1 files changed, 0 insertions, 416 deletions
diff --git a/Stars45/TexDX9.cpp b/Stars45/TexDX9.cpp
deleted file mode 100644
index b2c5b2b..0000000
--- a/Stars45/TexDX9.cpp
+++ /dev/null
@@ -1,416 +0,0 @@
-/* Starshatter: The Open Source Project
- Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
- Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
- Copyright (c) 1997-2006, Destroyer Studios LLC.
-
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- Direct3D Texture Cache
-*/
-
-#include "TexDX9.h"
-#include "VideoDX9.h"
-#include "Bitmap.h"
-#include "Color.h"
-#include "Utils.h"
-
-// +--------------------------------------------------------------------+
-
-void VideoDX9Error(const char* msg, HRESULT err);
-
-#define TEXDX9_VERBOSE 0
-#define DX9_TEXTURE_CACHE_SIZE 256
-
-#ifndef RELEASE
-#define RELEASE(x) if (x) { x->Release(); x=NULL; }
-#endif
-
-// +--------------------------------------------------------------------+
-
-void
-TexCacheDX9Entry::Release()
-{
- RELEASE(texture);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-TexCacheDX9Entry::Unload()
-{
- RELEASE(texture);
- bitmap_id = 0;
- used_last = 0;
- last_modified = 0;
-}
-
-// +--------------------------------------------------------------------+
-
-TexCacheDX9::TexCacheDX9(VideoDX9* v)
-: video(v), count(0), mru(0)
-{
- d3d = video->Direct3D();
- d3ddevice = video->D3DDevice();
-
- // clear the texture cache
- cache = new TexCacheDX9Entry[DX9_TEXTURE_CACHE_SIZE];
- vidmem = video->VidMemFree();
-}
-
-TexCacheDX9::~TexCacheDX9()
-{
- int used = 0;
-
- if (cache) {
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
- if (cache[i].bitmap_id)
- used++;
- cache[i].Unload();
- }
-
- delete [] cache;
- cache = 0;
- }
-
- Print("TexCacheDX9: final used count = %d\n", used);
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-TexCacheDX9::LoadTexture(Bitmap* bmp, TexCacheDX9Entry* entry)
-{
- if (!d3ddevice) return false;
-
- HRESULT hr = D3D_OK;
-
- // create the texture, if necessary
- if (!entry->texture || entry->bitmap_id != bmp->Handle()) {
- hr = d3ddevice->CreateTexture(bmp->Width(),
- bmp->Height(),
- 1, // one mip level
- 0, // no specific usage
- D3DFMT_A8R8G8B8, // format matching Color::rgba
- D3DPOOL_MANAGED,
- &entry->texture,
- 0);
-
- if (FAILED(hr) || !entry->texture) {
- VideoDX9Error("LoadTexture - could not create texture", hr);
- return false;
- }
- }
-
- // lock the surface for writing
- D3DLOCKED_RECT locked_rect;
- hr = entry->texture->LockRect(0, &locked_rect, 0, 0);
-
- if (FAILED(hr)) {
- VideoDX9Error("LoadTexture - could not lock texture surface", hr);
- entry->Unload();
- return false;
- }
-
- // load the bitmap into the texture surface
- for (int i = 0; i < bmp->Height(); i++) {
- BYTE* src = (BYTE*) (bmp->HiPixels() + i * bmp->Width());
- BYTE* dst = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
-
- CopyMemory(dst, src, bmp->Width() * sizeof(Color));
- }
-
- // unlock the surface
- entry->texture->UnlockRect(0);
-
- entry->last_modified = bmp->LastModified();
- vidmem = video->VidMemFree();
- return true;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-TexCacheDX9::CreateNormalMap(int index, float amp)
-{
- if (d3ddevice && cache[index].texture && !cache[index].normal) {
- HRESULT hr = D3D_OK;
- TexCacheDX9Entry* entry = &cache[index];
- Bitmap* bmp = Bitmap::GetBitmapByID(entry->bitmap_id);
-
- IDirect3DTexture9* normal_map = 0;
-
- // create the normal map texture
- hr = d3ddevice->CreateTexture(bmp->Width(),
- bmp->Height(),
- 1, // one mip levels
- 0, // no specific usage
- D3DFMT_A8R8G8B8, // format matching Color::rgba
- D3DPOOL_MANAGED,
- &normal_map,
- 0);
-
- if (FAILED(hr) || !normal_map) {
- VideoDX9Error("CreateNormalMap - could not create texture", hr);
- return;
- }
-
- D3DXComputeNormalMap(normal_map, entry->texture ,NULL, 0, D3DX_CHANNEL_RED, amp);
-
- entry->texture->Release();
- entry->texture = normal_map;
- entry->normal = true;
-
- // The D3DX function destroys the alpha channel data
- // when it builds the normal map. We want the original
- // height data stored in the alpha channel, so we need
- // to add it back in now.
-
- // lock the surface for writing
- D3DLOCKED_RECT locked_rect;
- hr = normal_map->LockRect(0, &locked_rect, 0, 0);
-
- if (FAILED(hr)) {
- VideoDX9Error("CreateNormalMap - could not insert height channel", hr);
- return;
- }
-
- // load the bitmap into the texture surface
- for (int i = 0; i < bmp->Height(); i++) {
- BYTE* src = (BYTE*) (bmp->HiPixels() + i * bmp->Width());
- BYTE* dst = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
-
- src += 2; // red channel
- dst += 3; // alpha channel
-
- for (int n = 0; n < bmp->Width(); n++) {
- *dst = *src;
-
- dst += 4;
- src += 4;
- }
- }
-
- // unlock the surface
- normal_map->UnlockRect(0);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-IDirect3DTexture9*
-TexCacheDX9::FindTexture(Bitmap* bmp)
-{
- int avail = -1;
-
- if (!bmp)
- return 0;
-
- // check most recently used:
- if (cache[mru].bitmap_id == bmp->Handle()) {
- cache[mru].used_last = frame_number;
-
- // need to refresh?
- if (cache[mru].last_modified < bmp->LastModified()) {
- LoadTexture(bmp, &cache[mru]);
- cache[mru].normal = false;
- }
-
- return cache[mru].texture;
- }
-
- // find cache entry, or first free:
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++)
- if (cache[i].bitmap_id == bmp->Handle()) {
- cache[i].used_last = frame_number;
- mru = i;
-
- // need to refresh?
- if (cache[mru].last_modified < bmp->LastModified()) {
- LoadTexture(bmp, &cache[mru]);
- cache[mru].normal = false;
- }
-
- return cache[i].texture;
- }
- else if (avail < 0 && cache[i].bitmap_id == 0)
- avail = i;
-
- // no free space
- if (avail < 0)
- if (FreeUpCache())
- return FindTexture(bmp);
- else
- return 0;
-
- TexCacheDX9Entry* entry = &cache[avail];
- entry->bitmap_id = bmp->Handle();
- entry->used_last = frame_number;
-
- if (LoadTexture(bmp, entry)) {
-#if TEXDX9_VERBOSE
- Print(" Tex %3d: id=%2d, size=%3d, type=%d, hTex=%3d, frame=%6d vmf=%8d\n",
- avail, bmp->Handle(), bmp->Width(), bmp->Type(),
- cache[avail].texture, cache[avail].used_last, vidmem);
-#endif
- mru = avail;
- cache[mru].normal = false;
- return entry->texture;
- }
- else {
- // failed to load texture,
- // erase cache entry:
- entry->Unload();
- }
-
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-IDirect3DTexture9*
-TexCacheDX9::FindNormalMap(Bitmap* bmp, float amp)
-{
- int avail = -1;
-
- if (!bmp)
- return 0;
-
- // check most recently used:
- if (cache[mru].bitmap_id == bmp->Handle()) {
- cache[mru].used_last = frame_number;
-
- // need to refresh?
- if (cache[mru].last_modified < bmp->LastModified()) {
- LoadTexture(bmp, &cache[mru]);
- cache[mru].normal = false;
- }
-
- if (!cache[mru].normal)
- CreateNormalMap(mru, amp);
-
- return cache[mru].texture;
- }
-
- // find cache entry, or first free:
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++)
- if (cache[i].bitmap_id == bmp->Handle()) {
- cache[i].used_last = frame_number;
- mru = i;
-
- // need to refresh?
- if (cache[i].last_modified < bmp->LastModified()) {
- LoadTexture(bmp, &cache[mru]);
- cache[i].normal = false;
- }
-
- if (!cache[i].normal)
- CreateNormalMap(i, amp);
-
- return cache[i].texture;
- }
- else if (avail < 0 && cache[i].bitmap_id == 0)
- avail = i;
-
- // no free space
- if (avail < 0)
- if (FreeUpCache())
- return FindTexture(bmp);
- else
- return 0;
-
- TexCacheDX9Entry* entry = &cache[avail];
- entry->bitmap_id = bmp->Handle();
- entry->used_last = frame_number;
-
- if (LoadTexture(bmp, entry)) {
-#if TEXDX9_VERBOSE
- Print(" Tex %3d: id=%2d, size=%3d, type=%d, hTex=%3d, frame=%6d vmf=%8d\n",
- avail, bmp->Handle(), bmp->Width(), bmp->Type(),
- cache[avail].texture, cache[avail].used_last, vidmem);
-#endif
- mru = avail;
- CreateNormalMap(mru, amp);
- return entry->texture;
- }
- else {
- // failed to load texture,
- // erase cache entry:
- entry->Unload();
- }
-
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-int
-TexCacheDX9::FreeLRU(int tries)
-{
- int unloaded = 0;
-
- while (tries--) {
- int oldest = -1;
- DWORD old = frame_number;
-
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
- DWORD ul = cache[i].used_last;
-
- if (ul && ul < old && ul != frame_number) {
- old = ul;
- oldest = i;
- }
- }
-
- if (oldest >= 0) {
- cache[oldest].Unload();
- unloaded++;
- }
- else
- break;
- }
-
- vidmem = video->VidMemFree();
-
-#if TEXDX9_VERBOSE
- Print(" FreeLRU() frame=%6d unloaded=%2d vmf=%8d\n", frame_number, unloaded, vidmem);
-#endif
-
- return unloaded;
-}
-
-// +--------------------------------------------------------------------+
-
-int
-TexCacheDX9::FreeUpCache()
-{
- int unloaded = 0;
-
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
- if (cache[i].used_last && cache[i].used_last < frame_number) {
- cache[i].Unload();
- unloaded++;
- }
- }
-
- vidmem = video->VidMemFree();
-
- Print(" FreeUpCache() frame=%6d unloaded=%2d vmf=%8d\n", frame_number, unloaded, vidmem);
-
- return unloaded;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-TexCacheDX9::InvalidateCache()
-{
- for (int i = 0; i < DX9_TEXTURE_CACHE_SIZE; i++) {
- cache[i].Unload();
- cache[i].normal = false;
- }
-
- vidmem = video->VidMemFree();
-}