From 2c1c5595efec1db63c142accda59e83079af217e Mon Sep 17 00:00:00 2001 From: "milo24x7@gmail.com" Date: Sun, 7 Jul 2013 21:26:31 +0000 Subject: Updated open source license declaration and fixed some formatting issues. --- nGenEx/TexDX9.cpp | 860 ++++++++++++++++++++++++++++-------------------------- 1 file changed, 442 insertions(+), 418 deletions(-) (limited to 'nGenEx/TexDX9.cpp') diff --git a/nGenEx/TexDX9.cpp b/nGenEx/TexDX9.cpp index 6e0cf44..5c03c07 100644 --- a/nGenEx/TexDX9.cpp +++ b/nGenEx/TexDX9.cpp @@ -1,418 +1,442 @@ -/* Project nGenEx - Destroyer Studios LLC - Copyright © 1997-2004. All Rights Reserved. - - SUBSYSTEM: nGenEx.lib - FILE: TexDX9.cpp - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - Direct3D Texture Cache -*/ - -#include "MemDebug.h" -#include "TexDX9.h" -#include "VideoDX9.h" -#include "Bitmap.h" -#include "Color.h" - -// +--------------------------------------------------------------------+ - -void Print(const char* fmt, ...); -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(__FILE__,__LINE__) 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(); -} +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: TexDX9.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Direct3D Texture Cache +*/ + +#include "MemDebug.h" +#include "TexDX9.h" +#include "VideoDX9.h" +#include "Bitmap.h" +#include "Color.h" + +// +--------------------------------------------------------------------+ + +void Print(const char* fmt, ...); +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(__FILE__,__LINE__) 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(); +} -- cgit v1.1