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Commit 75fb4752 by Nicolas Capens Committed by Shannon Woods
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Implement textureSize.

TRAC #23485 Signed-off-by: Jamie Madill Signed-off-by: Shannon Woods Author: Nicolas Capens
parent c98406ab
Showing with 121 additions and 38 deletions
src/compiler/Initialize.cpp
......@@ -22,6 +22,7 @@ void InsertBuiltInFunctions(ShShaderType type, ShShaderSpec spec, const ShBuiltI
TType *float3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3);
TType *float4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4);
TType *int1 = new TType(EbtInt, EbpUndefined, EvqGlobal, 1);
TType *int2 = new TType(EbtInt, EbpUndefined, EvqGlobal, 2);
TType *int3 = new TType(EbtInt, EbpUndefined, EvqGlobal, 3);
TType *int4 = new TType(EbtInt, EbpUndefined, EvqGlobal, 4);
......@@ -459,6 +460,19 @@ void InsertBuiltInFunctions(ShShaderType type, ShShaderSpec spec, const ShBuiltI
symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler3D, "sampler", float4, "coord", float1, "bias");
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", isampler2D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", usampler2D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler3D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", isampler3D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", usampler3D, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCube, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", isamplerCube, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", usamplerCube, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArray, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", isampler2DArray, "sampler", int1, "lod");
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", usampler2DArray, "sampler", int1, "lod");
if(type == SH_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdx", float1, "p");
......
src/compiler/OutputHLSL.cpp
......@@ -53,12 +53,13 @@ TString OutputHLSL::TextureFunction::name() const
name += "Proj";
}
switch(mipmap)
switch(method)
{
case IMPLICIT: break;
case BIAS: break;
case LOD: name += "Lod"; break;
case LOD0: name += "Lod0"; break;
case SIZE: name += "Size"; break;
default: UNREACHABLE();
}
......@@ -70,7 +71,7 @@ bool OutputHLSL::TextureFunction::operator<(const TextureFunction &rhs) const
if (sampler < rhs.sampler) return true;
if (coords < rhs.coords) return true;
if (!proj && rhs.proj) return true;
if (mipmap < rhs.mipmap) return true;
if (method < rhs.method) return true;
return false;
}
......@@ -883,21 +884,43 @@ void OutputHLSL::header()
for (TextureFunctionSet::const_iterator textureFunction = mUsesTexture.begin(); textureFunction != mUsesTexture.end(); textureFunction++)
{
// Return type
switch(textureFunction->sampler)
{
case EbtSampler2D: out << "float4 "; break;
case EbtSampler3D: out << "float4 "; break;
case EbtSamplerCube: out << "float4 "; break;
case EbtSampler2DArray: out << "float4 "; break;
case EbtISampler2D: out << "int4 "; break;
case EbtISampler3D: out << "int4 "; break;
case EbtISamplerCube: out << "int4 "; break;
case EbtISampler2DArray: out << "int4 "; break;
case EbtUSampler2D: out << "uint4 "; break;
case EbtUSampler3D: out << "uint4 "; break;
case EbtUSamplerCube: out << "uint4 "; break;
case EbtUSampler2DArray: out << "uint4 "; break;
default: UNREACHABLE();
if (textureFunction->method == TextureFunction::SIZE)
{
switch(textureFunction->sampler)
{
case EbtSampler2D: out << "int2 "; break;
case EbtSampler3D: out << "int3 "; break;
case EbtSamplerCube: out << "int2 "; break;
case EbtSampler2DArray: out << "int3 "; break;
case EbtISampler2D: out << "int2 "; break;
case EbtISampler3D: out << "int3 "; break;
case EbtISamplerCube: out << "int2 "; break;
case EbtISampler2DArray: out << "int3 "; break;
case EbtUSampler2D: out << "int2 "; break;
case EbtUSampler3D: out << "int3 "; break;
case EbtUSamplerCube: out << "int2 "; break;
case EbtUSampler2DArray: out << "int3 "; break;
default: UNREACHABLE();
}
}
else // Sampling function
{
switch(textureFunction->sampler)
{
case EbtSampler2D: out << "float4 "; break;
case EbtSampler3D: out << "float4 "; break;
case EbtSamplerCube: out << "float4 "; break;
case EbtSampler2DArray: out << "float4 "; break;
case EbtISampler2D: out << "int4 "; break;
case EbtISampler3D: out << "int4 "; break;
case EbtISamplerCube: out << "int4 "; break;
case EbtISampler2DArray: out << "int4 "; break;
case EbtUSampler2D: out << "uint4 "; break;
case EbtUSampler3D: out << "uint4 "; break;
case EbtUSamplerCube: out << "uint4 "; break;
case EbtUSampler2DArray: out << "uint4 "; break;
default: UNREACHABLE();
}
}
// Function name
......@@ -915,7 +938,7 @@ void OutputHLSL::header()
default: UNREACHABLE();
}
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::IMPLICIT: break;
case TextureFunction::BIAS: hlslCoords = 4; break;
......@@ -947,25 +970,66 @@ void OutputHLSL::header()
switch(textureFunction->coords)
{
case 1: out << ", int lod"; break;
case 2: out << ", float2 t"; break;
case 3: out << ", float3 t"; break;
case 4: out << ", float4 t"; break;
default: UNREACHABLE();
}
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::IMPLICIT: break;
case TextureFunction::BIAS: out << ", float bias"; break;
case TextureFunction::LOD: out << ", float lod"; break;
case TextureFunction::LOD0: break;
case TextureFunction::SIZE: break;
default: UNREACHABLE();
}
out << ")\n"
"{\n";
if (IsIntegerSampler(textureFunction->sampler) && IsSamplerCube(textureFunction->sampler))
if (textureFunction->method == TextureFunction::SIZE)
{
if (IsSampler2D(textureFunction->sampler) || IsSamplerCube(textureFunction->sampler))
{
if (IsSamplerArray(textureFunction->sampler))
{
out << " uint width; uint height; uint layers; uint numberOfLevels;\n"
" x.GetDimensions(lod, width, height, layers, numberOfLevels);\n";
}
else
{
out << " uint width; uint height; uint numberOfLevels;\n"
" x.GetDimensions(lod, width, height, numberOfLevels);\n";
}
}
else if (IsSampler3D(textureFunction->sampler))
{
out << " uint width; uint height; uint depth; uint numberOfLevels;\n"
" x.GetDimensions(lod, width, height, depth, numberOfLevels);\n";
}
else UNREACHABLE();
switch(textureFunction->sampler)
{
case EbtSampler2D: out << " return int2(width, height);"; break;
case EbtSampler3D: out << " return int3(width, height, depth);"; break;
case EbtSamplerCube: out << " return int2(width, height);"; break;
case EbtSampler2DArray: out << " return int3(width, height, layers);"; break;
case EbtISampler2D: out << " return int2(width, height);"; break;
case EbtISampler3D: out << " return int3(width, height, depth);"; break;
case EbtISamplerCube: out << " return int2(width, height);"; break;
case EbtISampler2DArray: out << " return int3(width, height, layers);"; break;
case EbtUSampler2D: out << " return int2(width, height);"; break;
case EbtUSampler3D: out << " return int3(width, height, depth);"; break;
case EbtUSamplerCube: out << " return int2(width, height);"; break;
case EbtUSampler2DArray: out << " return int3(width, height, layers);"; break;
default: UNREACHABLE();
}
}
else if (IsIntegerSampler(textureFunction->sampler) && IsSamplerCube(textureFunction->sampler))
{
// Currently unsupported because TextureCube does not support Load
// This will require emulation using a Texture2DArray with 6 faces
......@@ -1016,7 +1080,7 @@ void OutputHLSL::header()
default: UNREACHABLE();
}
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::IMPLICIT: out << "(s, "; break;
case TextureFunction::BIAS: out << "bias(s, "; break;
......@@ -1033,7 +1097,7 @@ void OutputHLSL::header()
}
else
{
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::IMPLICIT: out << "x.Sample(s, "; break;
case TextureFunction::BIAS: out << "x.SampleBias(s, "; break;
......@@ -1115,7 +1179,7 @@ void OutputHLSL::header()
if (hlslCoords == 4)
{
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::BIAS: out << ", bias"; break;
case TextureFunction::LOD: out << ", lod"; break;
......@@ -1135,7 +1199,7 @@ void OutputHLSL::header()
if (!IsIntegerSampler(textureFunction->sampler))
{
switch(textureFunction->mipmap)
switch(textureFunction->method)
{
case TextureFunction::IMPLICIT: out << "));"; break;
case TextureFunction::BIAS: out << "), bias);"; break;
......@@ -2264,39 +2328,43 @@ bool OutputHLSL::visitAggregate(Visit visit, TIntermAggregate *node)
TextureFunction textureFunction;
textureFunction.sampler = samplerType;
textureFunction.coords = arguments[1]->getAsTyped()->getNominalSize();
textureFunction.mipmap = TextureFunction::IMPLICIT;
textureFunction.method = TextureFunction::IMPLICIT;
textureFunction.proj = false;
if (name == "texture2D" || name == "textureCube" || name == "texture")
{
textureFunction.mipmap = TextureFunction::IMPLICIT;
textureFunction.proj = false;
textureFunction.method = TextureFunction::IMPLICIT;
}
else if (name == "texture2DProj" || name == "textureProj")
{
textureFunction.mipmap = TextureFunction::IMPLICIT;
textureFunction.method = TextureFunction::IMPLICIT;
textureFunction.proj = true;
}
else if (name == "texture2DLod" || name == "textureCubeLod" || name == "textureLod")
{
textureFunction.mipmap = TextureFunction::LOD;
textureFunction.proj = false;
textureFunction.method = TextureFunction::LOD;
}
else if (name == "texture2DProjLod" || name == "textureProjLod")
{
textureFunction.mipmap = TextureFunction::LOD;
textureFunction.method = TextureFunction::LOD;
textureFunction.proj = true;
}
else if (name == "textureSize")
{
textureFunction.method = TextureFunction::SIZE;
}
else UNREACHABLE();
if (textureFunction.mipmap != TextureFunction::LOD)
if (textureFunction.method != TextureFunction::LOD &&
textureFunction.method != TextureFunction::SIZE)
{
if (lod0 || mContext.shaderType == SH_VERTEX_SHADER)
{
textureFunction.mipmap = TextureFunction::LOD0;
textureFunction.method = TextureFunction::LOD0;
}
else if (arguments.size() == 3)
{
textureFunction.mipmap = TextureFunction::BIAS;
textureFunction.method = TextureFunction::BIAS;
}
}
......
src/compiler/OutputHLSL.h
......@@ -96,18 +96,19 @@ class OutputHLSL : public TIntermTraverser
struct TextureFunction
{
enum Mipmap
enum Method
{
IMPLICIT,
IMPLICIT, // Mipmap LOD determined implicitly (standard lookup)
BIAS,
LOD,
LOD0
LOD0,
SIZE // textureSize()
};
TBasicType sampler;
int coords;
bool proj;
Mipmap mipmap;
Method method;
TString name() const;
......
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