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Load texture palettes on demand, so we're not limited to 256. (That could

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conceivably be a problem if a person has many songs with paletted
banners, for example.)
This commit is contained in:
Glenn Maynard
2003-05-24 02:03:17 +00:00
parent 85868bdd6b
commit 7396287b1c
1 changed files with 50 additions and 34 deletions
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stepmania/src/RageDisplay_D3D.cpp
+50 -34
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@@ -38,6 +38,7 @@
#pragma comment(lib, "D3dx8.lib")
#include <math.h>
#include <list>
RageDisplay* DISPLAY = NULL;
@@ -60,29 +61,60 @@ int g_CurrentHeight, g_CurrentWidth, g_CurrentBPP;
* Instead, we load a palette into a slot. We need to keep track
* of which texture's palette is stored in what slot. */
map<unsigned,int> g_TexResourceToPaletteIndex;
list<int> g_PaletteIndex;
struct TexturePalette { PALETTEENTRY p[256]; };
map<unsigned,TexturePalette> g_TexResourceToTexturePalette;
int GetUnusedPaletteIndex()
/* Load the palette, if any, for the given texture into a palette slot, and make
* it current. */
static void SetPalette( unsigned TexResource )
{
for( int i=0; i<256; i++ )
/* If the texture isn't paletted, we have nothing to do. */
if( g_TexResourceToTexturePalette.find(TexResource) == g_TexResourceToTexturePalette.end() )
return;
/* Is the palette already loaded? */
if( g_TexResourceToPaletteIndex.find(TexResource) == g_TexResourceToPaletteIndex.end() )
{
bool bFreeToUse = true;
for( map<unsigned,int>::const_iterator iter=g_TexResourceToPaletteIndex.begin();
iter!=g_TexResourceToPaletteIndex.end();
++iter )
/* It's not. Grab the least recently used slot. */
int iPalIndex = g_PaletteIndex.front();
/* If any other texture is currently using this slot, mark that palette unloaded. */
for( map<unsigned,int>::iterator i = g_TexResourceToPaletteIndex.begin(); i != g_TexResourceToPaletteIndex.end(); ++i )
{
if( iter->second == i )
{
bFreeToUse = false;
break;
}
if( i->second != iPalIndex )
continue;
g_TexResourceToPaletteIndex.erase(i);
break;
}
if( bFreeToUse )
return i;
/* Load it. */
#ifndef _XBOX
g_pd3dDevice->SetPaletteEntries( iPalIndex, g_TexResourceToTexturePalette[TexResource].p );
#else
ASSERT(0);
#endif
g_TexResourceToPaletteIndex[TexResource] = iPalIndex;
}
ASSERT( 0 ); // couldn't find a free palette index. Resource leak?
return 0;
const int iPalIndex = g_TexResourceToPaletteIndex[TexResource];
/* Find this palette index in the least-recently-used queue and move it to the end. */
for(list<int>::iterator i = g_PaletteIndex.begin(); i != g_PaletteIndex.end(); ++i)
{
if( *i != iPalIndex )
continue;
g_PaletteIndex.erase(i);
g_PaletteIndex.push_back(iPalIndex);
break;
}
#ifndef _XBOX
g_pd3dDevice->SetCurrentTexturePalette( iPalIndex );
#else
ASSERT(0);
#endif
}
#define D3DFVF_RAGEVERTEX (D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_DIFFUSE|D3DFVF_TEX1) // D3D FVF flags which describe our vertex structure
@@ -151,6 +183,8 @@ RageDisplay::RageDisplay( bool windowed, int width, int height, int bpp, int rat
g_Windowed = false;
for( int i = 0; i < 256; ++i )
g_PaletteIndex.push_back(i);
typedef IDirect3D8 * (WINAPI * Direct3DCreate8_t) (UINT SDKVersion);
Direct3DCreate8_t pDirect3DCreate8;
@@ -590,15 +624,7 @@ void RageDisplay::SetTexture( RageTexture* pTexture )
g_pd3dDevice->SetTexture( 0, pTex );
// Set palette (if any)
if( g_TexResourceToPaletteIndex.find(uTexHandle) != g_TexResourceToPaletteIndex.end() )
{
int iPaletteIndex = g_TexResourceToPaletteIndex.find(uTexHandle)->second;
#ifndef _XBOX
g_pd3dDevice->SetCurrentTexturePalette( iPaletteIndex );
#else
ASSERT(0);
#endif
}
SetPalette(uTexHandle);
}
void RageDisplay::SetTextureModeModulate()
{
@@ -754,8 +780,6 @@ unsigned RageDisplay::CreateTexture(
if( pixfmt == FMT_PAL )
{
int iPalIndex = GetUnusedPaletteIndex();
// Save palette
TexturePalette pal;
memset( pal.p, 0, sizeof(pal.p) );
@@ -768,17 +792,9 @@ unsigned RageDisplay::CreateTexture(
bool bIsColorKey = img->flags & SDL_SRCCOLORKEY && (unsigned)i == img->format->colorkey;
pal.p[i].peFlags = bIsColorKey ? 0x00 : 0xFF;
}
#ifndef _XBOX
g_pd3dDevice->SetPaletteEntries( iPalIndex, pal.p );
#else
ASSERT(0);
#endif
ASSERT( g_TexResourceToTexturePalette.find(uTexHandle) == g_TexResourceToTexturePalette.end() );
g_TexResourceToTexturePalette[uTexHandle] = pal;
ASSERT( g_TexResourceToPaletteIndex.find(uTexHandle) == g_TexResourceToPaletteIndex.end() );
g_TexResourceToPaletteIndex[uTexHandle] = iPalIndex;
}
UpdateTexture( uTexHandle, pixfmt, img, 0, 0, img->w, img->h );