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PixelShaderGen: For custom textures and scaled EFB copies, use correct texel to pixel mapping when sampling textures

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(D3D9 only)

This is basically the same as revision e58692653a, just for scaled textures and with a LOT more work...
This commit is contained in:
NeoBrainX
2012-02-20 17:55:18 +01:00
parent d068686a7f
commit 9adc119e3c
8 changed files with 61 additions and 25 deletions
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42
Source/Core/VideoCommon/Src/PixelShaderManager.cpp
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@ -36,9 +36,11 @@ static bool s_bFogRangeAdjustChanged;
static int nLightsChanged[2]; // min,max
static float lastRGBAfull[2][4][4];
static u8 s_nTexDimsChanged;
static u8 s_nVirtualTexScalesChanged;
static u8 s_nIndTexScaleChanged;
static u32 lastAlpha;
static u32 lastTexDims[8]; // width | height << 16 | wrap_s << 28 | wrap_t << 30
static float lastVirtualTexScales[16]; // even fields: width ratio; odd fields: height ratio
static u32 lastZBias;
static int nMaterialsChanged;
@ -61,6 +63,7 @@ void PixelShaderManager::Init()
{
lastAlpha = 0;
memset(lastTexDims, 0, sizeof(lastTexDims));
memset(lastVirtualTexScales, 0, sizeof(lastVirtualTexScales));
lastZBias = 0;
memset(lastRGBAfull, 0, sizeof(lastRGBAfull));
Dirty();
@ -70,6 +73,7 @@ void PixelShaderManager::Dirty()
{
s_nColorsChanged[0] = s_nColorsChanged[1] = 15;
s_nTexDimsChanged = 0xFF;
s_nVirtualTexScalesChanged = 0xFF;
s_nIndTexScaleChanged = 0xFF;
s_nIndTexMtxChanged = 15;
s_bAlphaChanged = s_bZBiasChanged = s_bZTextureTypeChanged = s_bDepthRangeChanged = true;
@ -83,7 +87,7 @@ void PixelShaderManager::Shutdown()
}
void PixelShaderManager::SetConstants()
void PixelShaderManager::SetConstants(API_TYPE api_type)
{
for (int i = 0; i < 2; ++i)
{
@ -109,6 +113,16 @@ void PixelShaderManager::SetConstants()
s_nTexDimsChanged = 0;
}
if ((api_type & API_D3D9) && s_nVirtualTexScalesChanged)
{
for (int i = 0; i < 8; i += 2)
{
if (s_nVirtualTexScalesChanged & (3<<i))
SetPSVirtualTexScalePair(i/2);
}
s_nVirtualTexScalesChanged = 0;
}
if (s_bAlphaChanged)
{
SetPSConstant4f(C_ALPHA, (lastAlpha&0xff)/255.0f, ((lastAlpha>>8)&0xff)/255.0f, 0, ((lastAlpha>>16)&0xff)/255.0f);
@ -338,6 +352,13 @@ void PixelShaderManager::SetPSTextureDims(int texid)
SetPSConstant4fv(C_TEXDIMS + texid, fdims);
}
void PixelShaderManager::SetPSVirtualTexScalePair(int texpairid)
{
PRIM_LOG("vtexscale%d: %f %f %f %f\n", texpairid, lastVirtualTexScales[texpairid*4], lastVirtualTexScales[texpairid*4+1],
lastVirtualTexScales[texpairid*4+2], lastVirtualTexScales[texpairid*4+3]);
SetPSConstant4fv(C_VTEXSCALE + texpairid, &lastVirtualTexScales[texpairid*4]);
}
// This one is high in profiles (0.5%). TODO: Move conversion out, only store the raw color value
// and update it when the shader constant is set, only.
void PixelShaderManager::SetColorChanged(int type, int num, bool high)
@ -376,14 +397,25 @@ void PixelShaderManager::SetDestAlpha(const ConstantAlpha& alpha)
}
}
void PixelShaderManager::SetTexDims(int texmapid, u32 width, u32 height, u32 wraps, u32 wrapt)
void PixelShaderManager::SetTexDims(int texmapid, u32 width, u32 height, u32 virtual_width, u32 virtual_height, u32 wraps, u32 wrapt, API_TYPE api_type)
{
u32 wh = width | (height << 16) | (wraps << 28) | (wrapt << 30);
if (lastTexDims[texmapid] != wh)
bool refresh = lastTexDims[texmapid] != wh;
if (api_type & API_D3D9)
{
lastTexDims[texmapid] = wh;
refresh |= (lastVirtualTexScales[texmapid*2] != (float)width / (float)virtual_width);
refresh |= (lastVirtualTexScales[texmapid*2+1] != (float)height / (float)virtual_height);
}
if (refresh)
{
lastTexDims[texmapid] = wh;
lastVirtualTexScales[texmapid*2] = (float)width / (float)virtual_width;
lastVirtualTexScales[texmapid*2+1] = (float)height / (float)virtual_height;
s_nTexDimsChanged |= 1 << texmapid;
}
s_nVirtualTexScalesChanged |= 1 << texmapid;
}
}
void PixelShaderManager::SetZTextureBias(u32 bias)