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Try to do Z textures better. Z texturing does not work if early z or no z update. Corrected the Z texture bias used on 8 and 16 bit textures.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4596 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania
2009-11-21 02:49:46 +00:00
parent c9f5521d26
commit 6e7395cef1
3 changed files with 27 additions and 22 deletions
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10
Source/Core/VideoCommon/Src/PixelShaderManager.cpp
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@ -106,22 +106,20 @@ void PixelShaderManager::SetConstants()
if (s_bZTextureTypeChanged)
{
static float ffrac = 255.0f/256.0f;
float ftemp[4];
switch (bpmem.ztex2.type)
{
case 0:
// 8 bits
ftemp[0] = ffrac; ftemp[1] = 0; ftemp[2] = 0; ftemp[3] = 0;
ftemp[0] = 0; ftemp[1] = 0; ftemp[2] = 0; ftemp[3] = 255.0f/16777215.0f;
break;
case 1:
// 16 bits
ftemp[0] = ffrac/256.0f; ftemp[1] = 0; ftemp[2] = 0; ftemp[3] = ffrac;
ftemp[0] = 255.0f/16777215.0f; ftemp[1] = 0; ftemp[2] = 0; ftemp[3] = 65280.0f/16777215.0f;
break;
case 2:
// 24 bits
//ftemp[0] = ffrac/65536.0f; ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac; ftemp[3] = 0;
ftemp[0] = ffrac; ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac/65536.0f; ftemp[3] = 0;
ftemp[0] = 16711680.0f/16777215.0f; ftemp[1] = 65280.0f/16777215.0f; ftemp[2] = 255.0f/16777215.0f; ftemp[3] = 0;
break;
}
SetPSConstant4fv(C_ZBIAS, ftemp);
@ -131,7 +129,7 @@ void PixelShaderManager::SetConstants()
if (s_bZBiasChanged || s_bDepthRangeChanged)
{
//ERROR_LOG("pixel=%x,%x, bias=%x\n", bpmem.zcontrol.pixel_format, bpmem.ztex2.type, lastZBias);
SetPSConstant4f(C_ZBIAS+1, lastDepthRange[0] / 16777216.0f, lastDepthRange[1] / 16777216.0f, 0, (float)( (((int)lastZBias<<8)>>8))/16777216.0f);
SetPSConstant4f(C_ZBIAS+1, lastDepthRange[0] / 16777216.0f, lastDepthRange[1] / 16777216.0f, 0, (float)(lastZBias)/16777215.0f);
s_bZBiasChanged = s_bDepthRangeChanged = false;
}