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make swap_buffers parameter take effect for subsequent frame, instead of previous frame, contrary to intuition and good sense. fixes some dual screen games which have been w/z broken for ages

This commit is contained in:
zeromus 2010-03-31 06:58:14 +00:00
parent ccff2d3149
commit 08714ea7f2
2 changed files with 17 additions and 2 deletions
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15
desmume/src/gfx3d.cpp
View File

@ -25,6 +25,12 @@
//#define FLUSHMODE_HACK
//---------------
//TODO TODO TODO TODO
//make up mind once and for all whether fog, toon, etc. should reside in memory buffers (for easier handling in MMU)
//if they do, then we need to copy them out in doFlush!!!
//---------------
#include <algorithm>
#include <assert.h>
#include <math.h>
@ -1944,8 +1950,7 @@ void gfx3d_execute3D()
void gfx3d_glFlush(u32 v)
{
//printf("-------------FLUSH------------- (vcount=%d\n",nds.VCount);
gfx3d.state.sortmode = BIT0(v);
gfx3d.state.wbuffer = BIT1(v);
gfx3d.state.pendingFlushCommand = v;
#if 0
if (isSwapBuffers)
{
@ -2007,9 +2012,13 @@ static void gfx3d_doFlush()
gfx3d.state.enableFog = BIT7(control);
gfx3d.state.enableClearImage = BIT14(control);
gfx3d.state.fogShift = (control>>8)&0xF;
gfx3d.state.sortmode = BIT0(gfx3d.state.activeFlushCommand);
gfx3d.state.wbuffer = BIT1(gfx3d.state.activeFlushCommand);
gfx3d.renderState = gfx3d.state;
gfx3d.state.activeFlushCommand = gfx3d.state.pendingFlushCommand;
int polycount = polylist->count;
//find the min and max y values for each poly.
@ -2308,6 +2317,8 @@ SFORMAT SF_GFX3D[]={
{ "GST3", 4, 32, gfx3d.state.rgbToonTable},
{ "GSST", 4, 128, &gfx3d.state.shininessTable[0]},
{ "GSSI", 4, 1, &shininessInd},
{ "GSAF", 4, 1, &gfx3d.state.activeFlushCommand},
{ "GSPF", 4, 1, &gfx3d.state.pendingFlushCommand},
//------------------------
{ "GTST", 4, 1, &triStripToggle},
{ "GTVC", 4, 1, &tempVertInfo.count},

4
desmume/src/gfx3d.h
View File

@ -311,6 +311,8 @@ struct GFX3D_State
, fogOffset(0)
, fogShift(0)
, invalidateToon(true)
, activeFlushCommand(0)
, pendingFlushCommand(0)
{
for(u32 i=0;i<ARRAY_SIZE(shininessTable);i++)
shininessTable[i] = 0;
@ -328,6 +330,8 @@ struct GFX3D_State
BOOL wbuffer, sortmode;
u8 alphaTestRef;
u32 activeFlushCommand;
u32 pendingFlushCommand;
u32 clearDepth;
u32 clearColor;