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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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2
Source/Core/Common/Src/LinearDiskCache.h
View file

@ -24,7 +24,7 @@
// Increment this every time you change shader generation code.
enum
{
LINEAR_DISKCACHE_VER = 6970
LINEAR_DISKCACHE_VER = 6971
};
// On disk format:

5
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
View file

@ -560,6 +560,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
WRITE(p, "uniform float4 "I_KCOLORS"[4] : register(c%d);\n", C_KCOLORS);
WRITE(p, "uniform float4 "I_ALPHA"[1] : register(c%d);\n", C_ALPHA);
WRITE(p, "uniform float4 "I_TEXDIMS"[8] : register(c%d);\n", C_TEXDIMS);
WRITE(p, "uniform float4 "I_VTEXSCALE"[8] : register(c%d);\n", C_VTEXSCALE);
WRITE(p, "uniform float4 "I_ZBIAS"[2] : register(c%d);\n", C_ZBIAS);
WRITE(p, "uniform float4 "I_INDTEXSCALE"[2] : register(c%d);\n", C_INDTEXSCALE);
WRITE(p, "uniform float4 "I_INDTEXMTX"[6] : register(c%d);\n", C_INDTEXMTX);
@ -1102,9 +1103,9 @@ void SampleTexture(char *&p, const char *destination, const char *texcoords, con
WRITE(p, "%s=Tex%d.Sample(samp%d, %s.xy * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap,texmap, texcoords, texmap, texswap);
else if (ApiType & API_D3D9)
{
// D3D9 uses different pixel to texel mapping, so we need to offset our base address by half a pixel.
// D3D9 uses different pixel to texel mapping, so we need to offset our sampling address by half a pixel (assuming native and virtual texture dimensions match each other, otherwise some math is involved).
// Read the MSDN article "Directly Mapping Texels to Pixels (Direct3D 9)" for further info.
WRITE(p, "%s=tex2D(samp%d, (%s.xy + float2(0.5f,0.5f)) * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap, texcoords, texmap, texswap);
WRITE(p, "%s=tex2D(samp%d, (%s.xy + 0.5f*"I_VTEXSCALE"[%d].%s) * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap, texcoords, texmap/2, (texmap&1)?"zw":"xy", texmap, texswap);
}
else
WRITE(p, "%s=tex2D(samp%d, %s.xy * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap, texcoords, texmap, texswap);

19
Source/Core/VideoCommon/Src/PixelShaderGen.h
View file

@ -24,26 +24,27 @@
#define I_KCOLORS "k"
#define I_ALPHA "alphaRef"
#define I_TEXDIMS "texdim"
#define I_VTEXSCALE "vtexscale"
#define I_ZBIAS "czbias"
#define I_INDTEXSCALE "cindscale"
#define I_INDTEXMTX "cindmtx"
#define I_FOG "cfog"
#define I_PLIGHTS "cLights"
#define I_PMATERIALS "cmtrl"
#define I_PMATERIALS "cmtrl"
#define C_COLORMATRIX 0 // 0
#define C_COLORS 0 // 0
#define C_KCOLORS (C_COLORS + 4) // 4
#define C_ALPHA (C_KCOLORS + 4) // 8
#define C_TEXDIMS (C_ALPHA + 1) // 9
#define C_ZBIAS (C_TEXDIMS + 8) //17
#define C_INDTEXSCALE (C_ZBIAS + 2) //19
#define C_INDTEXMTX (C_INDTEXSCALE + 2) //21
#define C_FOG (C_INDTEXMTX + 6) //27
#define C_PLIGHTS (C_FOG + 3)
#define C_PMATERIALS (C_PLIGHTS + 40)
#define C_PENVCONST_END (C_PMATERIALS + 4)
#define C_VTEXSCALE (C_TEXDIMS + 8) //17 - virtual texture scaling factor (e.g. custom textures, scaled EFB copies)
#define C_ZBIAS (C_VTEXSCALE + 4) //21
#define C_INDTEXSCALE (C_ZBIAS + 2) //23
#define C_INDTEXMTX (C_INDTEXSCALE + 2) //25
#define C_FOG (C_INDTEXMTX + 6) //31
#define C_PLIGHTS (C_FOG + 3) //34
#define C_PMATERIALS (C_PLIGHTS + 40) //74
#define C_PENVCONST_END (C_PMATERIALS + 4) //78
#define PIXELSHADERUID_MAX_VALUES 70
#define PIXELSHADERUID_MAX_VALUES_SAFE 120

42
Source/Core/VideoCommon/Src/PixelShaderManager.cpp
View file

@ -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)

6
Source/Core/VideoCommon/Src/PixelShaderManager.h
View file

@ -26,18 +26,20 @@
class PixelShaderManager
{
static void SetPSTextureDims(int texid);
static void SetPSVirtualTexScalePair(int texpairid);
public:
static void Init();
static void Dirty();
static void Shutdown();
static void SetConstants(); // sets pixel shader constants
static void SetConstants(API_TYPE api_type); // sets pixel shader constants
// constant management, should be called after memory is committed
static void SetColorChanged(int type, int index, bool high);
static void SetAlpha(const AlphaFunc& alpha);
static void SetDestAlpha(const ConstantAlpha& alpha);
static void SetTexDims(int texmapid, u32 width, u32 height, u32 wraps, u32 wrapt);
static void SetTexDims(int texmapid, u32 width, u32 height, u32 virtual_width, u32 virtual_height, u32 wraps, u32 wrapt, API_TYPE api_type);
static void SetZTextureBias(u32 bias);
static void SetViewportChanged();
static void SetIndMatrixChanged(int matrixidx);

4
Source/Plugins/Plugin_VideoDX11/Src/VertexManager.cpp
View file

@ -234,7 +234,7 @@ void VertexManager::vFlush()
if (tentry)
{
// 0s are probably for no manual wrapping needed.
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, 0, 0);
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, tentry->virtual_width, tentry->virtual_height, 0, 0, API_D3D11);
}
else
ERROR_LOG(VIDEO, "error loading texture");
@ -243,7 +243,7 @@ void VertexManager::vFlush()
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
PixelShaderManager::SetConstants(API_D3D11);
bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate &&
bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;

4
Source/Plugins/Plugin_VideoDX9/Src/VertexManager.cpp
View file

@ -143,7 +143,7 @@ void VertexManager::vFlush()
if (tentry)
{
// 0s are probably for no manual wrapping needed.
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, 0, 0);
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, tentry->virtual_width, tentry->virtual_height, 0, 0, API_D3D9);
}
else
ERROR_LOG(VIDEO, "error loading texture");
@ -152,7 +152,7 @@ void VertexManager::vFlush()
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
PixelShaderManager::SetConstants(API_D3D9);
if (!PixelShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components))
{

4
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
View file

@ -161,7 +161,7 @@ void VertexManager::vFlush()
if (tentry)
{
// 0s are probably for no manual wrapping needed.
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, 0, 0);
PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, tentry->virtual_width, tentry->virtual_height, 0, 0, API_OPENGL);
if (g_ActiveConfig.iLog & CONF_SAVETEXTURES)
{
@ -179,7 +179,7 @@ void VertexManager::vFlush()
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
PixelShaderManager::SetConstants(API_OPENGL);
bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate
&& bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;