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Commit c8b97857 by Alexis Hetu Committed by Alexis Hétu
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2D array filtering crash fix

2D array textures aren't supposed to filter between layers and the computation used in the filtering code is meant to work with 3D textures, not 2D array textures. The 2D array textures now use the 2D texture path instead of the 3D texture path to solve this issue. Change-Id: Iea8fcfe67cce7ae70e39081af07e67fa59b268ff Reviewed-on: https://swiftshader-review.googlesource.com/4690Tested-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarNicolas Capens <capn@google.com>
parent 35b16cf2
Showing with 35 additions and 17 deletions
src/Shader/SamplerCore.cpp
......@@ -744,9 +744,9 @@ namespace sw
void SamplerCore::sampleQuad(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD)
{
if(state.textureType != TEXTURE_3D && state.textureType != TEXTURE_2D_ARRAY)
if(state.textureType != TEXTURE_3D)
{
sampleQuad2D(texture, c, u, v, lod, face, secondLOD);
sampleQuad2D(texture, c, u, v, w, lod, face, secondLOD);
}
else
{
......@@ -754,7 +754,7 @@ namespace sw
}
}
void SamplerCore::sampleQuad2D(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float &lod, Int face[4], bool secondLOD)
void SamplerCore::sampleQuad2D(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD)
{
int componentCount = textureComponentCount();
bool gather = state.textureFilter == FILTER_GATHER;
......@@ -766,13 +766,22 @@ namespace sw
Short4 uuuu;
Short4 vvvv;
Short4 wwww;
address(uuuu, u, state.addressingModeU);
address(vvvv, v, state.addressingModeV);
if(state.textureType == TEXTURE_2D_ARRAY)
{
addressW(wwww, w, mipmap);
}
else
{
wwww = vvvv;
}
if(state.textureFilter == FILTER_POINT || state.textureFilter == FILTER_MIN_POINT_MAG_LINEAR)
{
sampleTexel(c, uuuu, vvvv, vvvv, mipmap, buffer);
sampleTexel(c, uuuu, vvvv, wwww, mipmap, buffer);
}
else
{
......@@ -786,10 +795,10 @@ namespace sw
Short4 uuuu1 = offsetSample(uuuu, mipmap, OFFSET(Mipmap,uHalf), state.addressingModeU == ADDRESSING_WRAP, gather ? 2 : +1);
Short4 vvvv1 = offsetSample(vvvv, mipmap, OFFSET(Mipmap,vHalf), state.addressingModeV == ADDRESSING_WRAP, gather ? 2 : +1);
sampleTexel(c0, uuuu0, vvvv0, vvvv0, mipmap, buffer);
sampleTexel(c1, uuuu1, vvvv0, vvvv0, mipmap, buffer);
sampleTexel(c2, uuuu0, vvvv1, vvvv1, mipmap, buffer);
sampleTexel(c3, uuuu1, vvvv1, vvvv1, mipmap, buffer);
sampleTexel(c0, uuuu0, vvvv0, wwww, mipmap, buffer);
sampleTexel(c1, uuuu1, vvvv0, wwww, mipmap, buffer);
sampleTexel(c2, uuuu0, vvvv1, wwww, mipmap, buffer);
sampleTexel(c3, uuuu1, vvvv1, wwww, mipmap, buffer);
if(!gather) // Blend
{
......@@ -1229,7 +1238,7 @@ namespace sw
void SamplerCore::sampleFloat(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD)
{
if(state.textureType != TEXTURE_3D && state.textureType != TEXTURE_2D_ARRAY)
if(state.textureType != TEXTURE_3D)
{
sampleFloat2D(texture, c, u, v, w, lod, face, secondLOD);
}
......@@ -1239,7 +1248,7 @@ namespace sw
}
}
void SamplerCore::sampleFloat2D(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &z, Float &lod, Int face[4], bool secondLOD)
void SamplerCore::sampleFloat2D(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD)
{
int componentCount = textureComponentCount();
bool gather = state.textureFilter == FILTER_GATHER;
......@@ -1251,13 +1260,22 @@ namespace sw
Short4 uuuu;
Short4 vvvv;
Short4 wwww;
address(uuuu, u, state.addressingModeU);
address(vvvv, v, state.addressingModeV);
if(state.textureType == TEXTURE_2D_ARRAY)
{
addressW(wwww, w, mipmap);
}
else
{
wwww = vvvv;
}
if(state.textureFilter == FILTER_POINT || state.textureFilter == FILTER_MIN_POINT_MAG_LINEAR)
{
sampleTexel(c, uuuu, vvvv, vvvv, z, mipmap, buffer);
sampleTexel(c, uuuu, vvvv, wwww, w, mipmap, buffer);
}
else
{
......@@ -1271,10 +1289,10 @@ namespace sw
Short4 uuuu1 = offsetSample(uuuu, mipmap, OFFSET(Mipmap,uHalf), state.addressingModeU == ADDRESSING_WRAP, gather ? 2 : +1);
Short4 vvvv1 = offsetSample(vvvv, mipmap, OFFSET(Mipmap,vHalf), state.addressingModeV == ADDRESSING_WRAP, gather ? 2 : +1);
sampleTexel(c0, uuuu0, vvvv0, vvvv0, z, mipmap, buffer);
sampleTexel(c1, uuuu1, vvvv0, vvvv0, z, mipmap, buffer);
sampleTexel(c2, uuuu0, vvvv1, vvvv1, z, mipmap, buffer);
sampleTexel(c3, uuuu1, vvvv1, vvvv1, z, mipmap, buffer);
sampleTexel(c0, uuuu0, vvvv0, wwww, w, mipmap, buffer);
sampleTexel(c1, uuuu1, vvvv0, wwww, w, mipmap, buffer);
sampleTexel(c2, uuuu0, vvvv1, wwww, w, mipmap, buffer);
sampleTexel(c3, uuuu1, vvvv1, wwww, w, mipmap, buffer);
if(!gather) // Blend
{
......
src/Shader/SamplerCore.hpp
......@@ -32,12 +32,12 @@ namespace sw
void sampleFilter(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Float &anisotropy, Float4 &uDelta, Float4 &vDelta, Int face[4], bool lodProvided);
void sampleAniso(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Float &anisotropy, Float4 &uDelta, Float4 &vDelta, Int face[4], bool secondLOD, bool lodProvided);
void sampleQuad(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD);
void sampleQuad2D(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float &lod, Int face[4], bool secondLOD);
void sampleQuad2D(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD);
void sample3D(Pointer<Byte> &texture, Vector4s &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, bool secondLOD);
void sampleFloatFilter(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Float &anisotropy, Float4 &uDelta, Float4 &vDelta, Int face[4], bool lodProvided);
void sampleFloatAniso(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Float &anisotropy, Float4 &uDelta, Float4 &vDelta, Int face[4], bool secondLOD, bool lodProvided);
void sampleFloat(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD);
void sampleFloat2D(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &z, Float &lod, Int face[4], bool secondLOD);
void sampleFloat2D(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, Int face[4], bool secondLOD);
void sampleFloat3D(Pointer<Byte> &texture, Vector4f &c, Float4 &u, Float4 &v, Float4 &w, Float &lod, bool secondLOD);
void computeLod(Pointer<Byte> &texture, Float &lod, Float &anisotropy, Float4 &uDelta, Float4 &vDelta, Float4 &u, Float4 &v, const Float &lodBias, Vector4f &dsx, Vector4f &dsy, bool bias, bool gradients, bool lodProvided);
void computeLod3D(Pointer<Byte> &texture, Float &lod, Float4 &u, Float4 &v, Float4 &w, const Float &lodBias, Vector4f &dsx, Vector4f &dsy, bool bias, bool gradients, bool lodProvided);
......
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