| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "PixelProgram.hpp" |
| |
| #include "SamplerCore.hpp" |
| #include "Renderer/Primitive.hpp" |
| #include "Renderer/Renderer.hpp" |
| |
| namespace sw |
| { |
| extern bool postBlendSRGB; |
| extern bool booleanFaceRegister; |
| extern bool halfIntegerCoordinates; // Pixel centers are not at integer coordinates |
| extern bool fullPixelPositionRegister; |
| |
| void PixelProgram::setBuiltins(Int &x, Int &y, Float4(&z)[4], Float4 &w) |
| { |
| if(shader->getShaderModel() >= 0x0300) |
| { |
| if(shader->isVPosDeclared()) |
| { |
| if(!halfIntegerCoordinates) |
| { |
| vPos.x = Float4(Float(x)) + Float4(0, 1, 0, 1); |
| vPos.y = Float4(Float(y)) + Float4(0, 0, 1, 1); |
| } |
| else |
| { |
| vPos.x = Float4(Float(x)) + Float4(0.5f, 1.5f, 0.5f, 1.5f); |
| vPos.y = Float4(Float(y)) + Float4(0.5f, 0.5f, 1.5f, 1.5f); |
| } |
| |
| if(fullPixelPositionRegister) |
| { |
| vPos.z = z[0]; // FIXME: Centroid? |
| vPos.w = w; // FIXME: Centroid? |
| } |
| } |
| |
| if(shader->isVFaceDeclared()) |
| { |
| Float4 face = *Pointer<Float>(primitive + OFFSET(Primitive, area)); |
| |
| if(booleanFaceRegister) |
| { |
| face = As<Float4>(state.frontFaceCCW ? CmpNLT(face, Float4(0.0f)) : CmpLT(face, Float4(0.0f))); |
| } |
| |
| vFace.x = face; |
| vFace.y = face; |
| vFace.z = face; |
| vFace.w = face; |
| } |
| } |
| } |
| |
| void PixelProgram::applyShader(Int cMask[4]) |
| { |
| enableIndex = 0; |
| stackIndex = 0; |
| |
| if(shader->containsLeaveInstruction()) |
| { |
| enableLeave = Int4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); |
| } |
| |
| for(int i = 0; i < RENDERTARGETS; i++) |
| { |
| if(state.targetFormat[i] != FORMAT_NULL) |
| { |
| oC[i] = Vector4f(0.0f, 0.0f, 0.0f, 0.0f); |
| } |
| } |
| |
| // Create all call site return blocks up front |
| for(size_t i = 0; i < shader->getLength(); i++) |
| { |
| const Shader::Instruction *instruction = shader->getInstruction(i); |
| Shader::Opcode opcode = instruction->opcode; |
| |
| if(opcode == Shader::OPCODE_CALL || opcode == Shader::OPCODE_CALLNZ) |
| { |
| const Dst &dst = instruction->dst; |
| |
| ASSERT(callRetBlock[dst.label].size() == dst.callSite); |
| callRetBlock[dst.label].push_back(Nucleus::createBasicBlock()); |
| } |
| } |
| |
| bool broadcastColor0 = true; |
| |
| for(size_t i = 0; i < shader->getLength(); i++) |
| { |
| const Shader::Instruction *instruction = shader->getInstruction(i); |
| Shader::Opcode opcode = instruction->opcode; |
| |
| if(opcode == Shader::OPCODE_DCL || opcode == Shader::OPCODE_DEF || opcode == Shader::OPCODE_DEFI || opcode == Shader::OPCODE_DEFB) |
| { |
| continue; |
| } |
| |
| const Dst &dst = instruction->dst; |
| const Src &src0 = instruction->src[0]; |
| const Src &src1 = instruction->src[1]; |
| const Src &src2 = instruction->src[2]; |
| const Src &src3 = instruction->src[3]; |
| const Src &src4 = instruction->src[4]; |
| |
| bool predicate = instruction->predicate; |
| Control control = instruction->control; |
| bool pp = dst.partialPrecision; |
| bool project = instruction->project; |
| bool bias = instruction->bias; |
| |
| Vector4f d; |
| Vector4f s0; |
| Vector4f s1; |
| Vector4f s2; |
| Vector4f s3; |
| Vector4f s4; |
| |
| if(opcode == Shader::OPCODE_TEXKILL) // Takes destination as input |
| { |
| if(dst.type == Shader::PARAMETER_TEXTURE) |
| { |
| d.x = v[2 + dst.index].x; |
| d.y = v[2 + dst.index].y; |
| d.z = v[2 + dst.index].z; |
| d.w = v[2 + dst.index].w; |
| } |
| else |
| { |
| d = r[dst.index]; |
| } |
| } |
| |
| if(src0.type != Shader::PARAMETER_VOID) s0 = fetchRegister(src0); |
| if(src1.type != Shader::PARAMETER_VOID) s1 = fetchRegister(src1); |
| if(src2.type != Shader::PARAMETER_VOID) s2 = fetchRegister(src2); |
| if(src3.type != Shader::PARAMETER_VOID) s3 = fetchRegister(src3); |
| if(src4.type != Shader::PARAMETER_VOID) s4 = fetchRegister(src4); |
| |
| switch(opcode) |
| { |
| case Shader::OPCODE_PS_2_0: break; |
| case Shader::OPCODE_PS_2_x: break; |
| case Shader::OPCODE_PS_3_0: break; |
| case Shader::OPCODE_DEF: break; |
| case Shader::OPCODE_DCL: break; |
| case Shader::OPCODE_NOP: break; |
| case Shader::OPCODE_MOV: mov(d, s0); break; |
| case Shader::OPCODE_NEG: neg(d, s0); break; |
| case Shader::OPCODE_INEG: ineg(d, s0); break; |
| case Shader::OPCODE_F2B: f2b(d, s0); break; |
| case Shader::OPCODE_B2F: b2f(d, s0); break; |
| case Shader::OPCODE_F2I: f2i(d, s0); break; |
| case Shader::OPCODE_I2F: i2f(d, s0); break; |
| case Shader::OPCODE_F2U: f2u(d, s0); break; |
| case Shader::OPCODE_U2F: u2f(d, s0); break; |
| case Shader::OPCODE_I2B: i2b(d, s0); break; |
| case Shader::OPCODE_B2I: b2i(d, s0); break; |
| case Shader::OPCODE_ADD: add(d, s0, s1); break; |
| case Shader::OPCODE_IADD: iadd(d, s0, s1); break; |
| case Shader::OPCODE_SUB: sub(d, s0, s1); break; |
| case Shader::OPCODE_ISUB: isub(d, s0, s1); break; |
| case Shader::OPCODE_MUL: mul(d, s0, s1); break; |
| case Shader::OPCODE_IMUL: imul(d, s0, s1); break; |
| case Shader::OPCODE_MAD: mad(d, s0, s1, s2); break; |
| case Shader::OPCODE_IMAD: imad(d, s0, s1, s2); break; |
| case Shader::OPCODE_DP1: dp1(d, s0, s1); break; |
| case Shader::OPCODE_DP2: dp2(d, s0, s1); break; |
| case Shader::OPCODE_DP2ADD: dp2add(d, s0, s1, s2); break; |
| case Shader::OPCODE_DP3: dp3(d, s0, s1); break; |
| case Shader::OPCODE_DP4: dp4(d, s0, s1); break; |
| case Shader::OPCODE_DET2: det2(d, s0, s1); break; |
| case Shader::OPCODE_DET3: det3(d, s0, s1, s2); break; |
| case Shader::OPCODE_DET4: det4(d, s0, s1, s2, s3); break; |
| case Shader::OPCODE_CMP0: cmp0(d, s0, s1, s2); break; |
| case Shader::OPCODE_ICMP: icmp(d, s0, s1, control); break; |
| case Shader::OPCODE_UCMP: ucmp(d, s0, s1, control); break; |
| case Shader::OPCODE_SELECT: select(d, s0, s1, s2); break; |
| case Shader::OPCODE_EXTRACT: extract(d.x, s0, s1.x); break; |
| case Shader::OPCODE_INSERT: insert(d, s0, s1.x, s2.x); break; |
| case Shader::OPCODE_FRC: frc(d, s0); break; |
| case Shader::OPCODE_TRUNC: trunc(d, s0); break; |
| case Shader::OPCODE_FLOOR: floor(d, s0); break; |
| case Shader::OPCODE_ROUND: round(d, s0); break; |
| case Shader::OPCODE_ROUNDEVEN: roundEven(d, s0); break; |
| case Shader::OPCODE_CEIL: ceil(d, s0); break; |
| case Shader::OPCODE_EXP2X: exp2x(d, s0, pp); break; |
| case Shader::OPCODE_EXP2: exp2(d, s0, pp); break; |
| case Shader::OPCODE_LOG2X: log2x(d, s0, pp); break; |
| case Shader::OPCODE_LOG2: log2(d, s0, pp); break; |
| case Shader::OPCODE_EXP: exp(d, s0, pp); break; |
| case Shader::OPCODE_LOG: log(d, s0, pp); break; |
| case Shader::OPCODE_RCPX: rcpx(d, s0, pp); break; |
| case Shader::OPCODE_DIV: div(d, s0, s1); break; |
| case Shader::OPCODE_IDIV: idiv(d, s0, s1); break; |
| case Shader::OPCODE_UDIV: udiv(d, s0, s1); break; |
| case Shader::OPCODE_MOD: mod(d, s0, s1); break; |
| case Shader::OPCODE_IMOD: imod(d, s0, s1); break; |
| case Shader::OPCODE_UMOD: umod(d, s0, s1); break; |
| case Shader::OPCODE_SHL: shl(d, s0, s1); break; |
| case Shader::OPCODE_ISHR: ishr(d, s0, s1); break; |
| case Shader::OPCODE_USHR: ushr(d, s0, s1); break; |
| case Shader::OPCODE_RSQX: rsqx(d, s0, pp); break; |
| case Shader::OPCODE_SQRT: sqrt(d, s0, pp); break; |
| case Shader::OPCODE_RSQ: rsq(d, s0, pp); break; |
| case Shader::OPCODE_LEN2: len2(d.x, s0, pp); break; |
| case Shader::OPCODE_LEN3: len3(d.x, s0, pp); break; |
| case Shader::OPCODE_LEN4: len4(d.x, s0, pp); break; |
| case Shader::OPCODE_DIST1: dist1(d.x, s0, s1, pp); break; |
| case Shader::OPCODE_DIST2: dist2(d.x, s0, s1, pp); break; |
| case Shader::OPCODE_DIST3: dist3(d.x, s0, s1, pp); break; |
| case Shader::OPCODE_DIST4: dist4(d.x, s0, s1, pp); break; |
| case Shader::OPCODE_MIN: min(d, s0, s1); break; |
| case Shader::OPCODE_IMIN: imin(d, s0, s1); break; |
| case Shader::OPCODE_UMIN: umin(d, s0, s1); break; |
| case Shader::OPCODE_MAX: max(d, s0, s1); break; |
| case Shader::OPCODE_IMAX: imax(d, s0, s1); break; |
| case Shader::OPCODE_UMAX: umax(d, s0, s1); break; |
| case Shader::OPCODE_LRP: lrp(d, s0, s1, s2); break; |
| case Shader::OPCODE_STEP: step(d, s0, s1); break; |
| case Shader::OPCODE_SMOOTH: smooth(d, s0, s1, s2); break; |
| case Shader::OPCODE_ISINF: isinf(d, s0); break; |
| case Shader::OPCODE_ISNAN: isnan(d, s0); break; |
| case Shader::OPCODE_FLOATBITSTOINT: |
| case Shader::OPCODE_FLOATBITSTOUINT: |
| case Shader::OPCODE_INTBITSTOFLOAT: |
| case Shader::OPCODE_UINTBITSTOFLOAT: d = s0; break; |
| case Shader::OPCODE_PACKSNORM2x16: packSnorm2x16(d, s0); break; |
| case Shader::OPCODE_PACKUNORM2x16: packUnorm2x16(d, s0); break; |
| case Shader::OPCODE_PACKHALF2x16: packHalf2x16(d, s0); break; |
| case Shader::OPCODE_UNPACKSNORM2x16: unpackSnorm2x16(d, s0); break; |
| case Shader::OPCODE_UNPACKUNORM2x16: unpackUnorm2x16(d, s0); break; |
| case Shader::OPCODE_UNPACKHALF2x16: unpackHalf2x16(d, s0); break; |
| case Shader::OPCODE_POWX: powx(d, s0, s1, pp); break; |
| case Shader::OPCODE_POW: pow(d, s0, s1, pp); break; |
| case Shader::OPCODE_SGN: sgn(d, s0); break; |
| case Shader::OPCODE_ISGN: isgn(d, s0); break; |
| case Shader::OPCODE_CRS: crs(d, s0, s1); break; |
| case Shader::OPCODE_FORWARD1: forward1(d, s0, s1, s2); break; |
| case Shader::OPCODE_FORWARD2: forward2(d, s0, s1, s2); break; |
| case Shader::OPCODE_FORWARD3: forward3(d, s0, s1, s2); break; |
| case Shader::OPCODE_FORWARD4: forward4(d, s0, s1, s2); break; |
| case Shader::OPCODE_REFLECT1: reflect1(d, s0, s1); break; |
| case Shader::OPCODE_REFLECT2: reflect2(d, s0, s1); break; |
| case Shader::OPCODE_REFLECT3: reflect3(d, s0, s1); break; |
| case Shader::OPCODE_REFLECT4: reflect4(d, s0, s1); break; |
| case Shader::OPCODE_REFRACT1: refract1(d, s0, s1, s2.x); break; |
| case Shader::OPCODE_REFRACT2: refract2(d, s0, s1, s2.x); break; |
| case Shader::OPCODE_REFRACT3: refract3(d, s0, s1, s2.x); break; |
| case Shader::OPCODE_REFRACT4: refract4(d, s0, s1, s2.x); break; |
| case Shader::OPCODE_NRM2: nrm2(d, s0, pp); break; |
| case Shader::OPCODE_NRM3: nrm3(d, s0, pp); break; |
| case Shader::OPCODE_NRM4: nrm4(d, s0, pp); break; |
| case Shader::OPCODE_ABS: abs(d, s0); break; |
| case Shader::OPCODE_IABS: iabs(d, s0); break; |
| case Shader::OPCODE_SINCOS: sincos(d, s0, pp); break; |
| case Shader::OPCODE_COS: cos(d, s0, pp); break; |
| case Shader::OPCODE_SIN: sin(d, s0, pp); break; |
| case Shader::OPCODE_TAN: tan(d, s0, pp); break; |
| case Shader::OPCODE_ACOS: acos(d, s0, pp); break; |
| case Shader::OPCODE_ASIN: asin(d, s0, pp); break; |
| case Shader::OPCODE_ATAN: atan(d, s0, pp); break; |
| case Shader::OPCODE_ATAN2: atan2(d, s0, s1, pp); break; |
| case Shader::OPCODE_COSH: cosh(d, s0, pp); break; |
| case Shader::OPCODE_SINH: sinh(d, s0, pp); break; |
| case Shader::OPCODE_TANH: tanh(d, s0, pp); break; |
| case Shader::OPCODE_ACOSH: acosh(d, s0, pp); break; |
| case Shader::OPCODE_ASINH: asinh(d, s0, pp); break; |
| case Shader::OPCODE_ATANH: atanh(d, s0, pp); break; |
| case Shader::OPCODE_M4X4: M4X4(d, s0, src1); break; |
| case Shader::OPCODE_M4X3: M4X3(d, s0, src1); break; |
| case Shader::OPCODE_M3X4: M3X4(d, s0, src1); break; |
| case Shader::OPCODE_M3X3: M3X3(d, s0, src1); break; |
| case Shader::OPCODE_M3X2: M3X2(d, s0, src1); break; |
| case Shader::OPCODE_TEX: TEX(d, s0, src1, project, bias); break; |
| case Shader::OPCODE_TEXLDD: TEXGRAD(d, s0, src1, s2, s3); break; |
| case Shader::OPCODE_TEXLDL: TEXLOD(d, s0, src1, s0.w); break; |
| case Shader::OPCODE_TEXLOD: TEXLOD(d, s0, src1, s2.x); break; |
| case Shader::OPCODE_TEXSIZE: TEXSIZE(d, s0.x, src1); break; |
| case Shader::OPCODE_TEXKILL: TEXKILL(cMask, d, dst.mask); break; |
| case Shader::OPCODE_TEXOFFSET: TEXOFFSET(d, s0, src1, s2); break; |
| case Shader::OPCODE_TEXLODOFFSET: TEXLODOFFSET(d, s0, src1, s2, s3.x); break; |
| case Shader::OPCODE_TEXELFETCH: TEXELFETCH(d, s0, src1, s2.x); break; |
| case Shader::OPCODE_TEXELFETCHOFFSET: TEXELFETCHOFFSET(d, s0, src1, s2, s3.x); break; |
| case Shader::OPCODE_TEXGRAD: TEXGRAD(d, s0, src1, s2, s3); break; |
| case Shader::OPCODE_TEXGRADOFFSET: TEXGRADOFFSET(d, s0, src1, s2, s3, s4); break; |
| case Shader::OPCODE_TEXBIAS: TEXBIAS(d, s0, src1, s2.x); break; |
| case Shader::OPCODE_TEXOFFSETBIAS: TEXOFFSETBIAS(d, s0, src1, s2, s3.x); break; |
| case Shader::OPCODE_DISCARD: DISCARD(cMask, instruction); break; |
| case Shader::OPCODE_DFDX: DFDX(d, s0); break; |
| case Shader::OPCODE_DFDY: DFDY(d, s0); break; |
| case Shader::OPCODE_FWIDTH: FWIDTH(d, s0); break; |
| case Shader::OPCODE_BREAK: BREAK(); break; |
| case Shader::OPCODE_BREAKC: BREAKC(s0, s1, control); break; |
| case Shader::OPCODE_BREAKP: BREAKP(src0); break; |
| case Shader::OPCODE_CONTINUE: CONTINUE(); break; |
| case Shader::OPCODE_TEST: TEST(); break; |
| case Shader::OPCODE_CALL: CALL(dst.label, dst.callSite); break; |
| case Shader::OPCODE_CALLNZ: CALLNZ(dst.label, dst.callSite, src0); break; |
| case Shader::OPCODE_ELSE: ELSE(); break; |
| case Shader::OPCODE_ENDIF: ENDIF(); break; |
| case Shader::OPCODE_ENDLOOP: ENDLOOP(); break; |
| case Shader::OPCODE_ENDREP: ENDREP(); break; |
| case Shader::OPCODE_ENDWHILE: ENDWHILE(); break; |
| case Shader::OPCODE_ENDSWITCH: ENDSWITCH(); break; |
| case Shader::OPCODE_IF: IF(src0); break; |
| case Shader::OPCODE_IFC: IFC(s0, s1, control); break; |
| case Shader::OPCODE_LABEL: LABEL(dst.index); break; |
| case Shader::OPCODE_LOOP: LOOP(src1); break; |
| case Shader::OPCODE_REP: REP(src0); break; |
| case Shader::OPCODE_WHILE: WHILE(src0); break; |
| case Shader::OPCODE_SWITCH: SWITCH(); break; |
| case Shader::OPCODE_RET: RET(); break; |
| case Shader::OPCODE_LEAVE: LEAVE(); break; |
| case Shader::OPCODE_CMP: cmp(d, s0, s1, control); break; |
| case Shader::OPCODE_ALL: all(d.x, s0); break; |
| case Shader::OPCODE_ANY: any(d.x, s0); break; |
| case Shader::OPCODE_NOT: bitwise_not(d, s0); break; |
| case Shader::OPCODE_OR: bitwise_or(d, s0, s1); break; |
| case Shader::OPCODE_XOR: bitwise_xor(d, s0, s1); break; |
| case Shader::OPCODE_AND: bitwise_and(d, s0, s1); break; |
| case Shader::OPCODE_EQ: equal(d, s0, s1); break; |
| case Shader::OPCODE_NE: notEqual(d, s0, s1); break; |
| case Shader::OPCODE_END: break; |
| default: |
| ASSERT(false); |
| } |
| |
| if(dst.type != Shader::PARAMETER_VOID && dst.type != Shader::PARAMETER_LABEL && opcode != Shader::OPCODE_TEXKILL && opcode != Shader::OPCODE_NOP) |
| { |
| if(dst.saturate) |
| { |
| if(dst.x) d.x = Max(d.x, Float4(0.0f)); |
| if(dst.y) d.y = Max(d.y, Float4(0.0f)); |
| if(dst.z) d.z = Max(d.z, Float4(0.0f)); |
| if(dst.w) d.w = Max(d.w, Float4(0.0f)); |
| |
| if(dst.x) d.x = Min(d.x, Float4(1.0f)); |
| if(dst.y) d.y = Min(d.y, Float4(1.0f)); |
| if(dst.z) d.z = Min(d.z, Float4(1.0f)); |
| if(dst.w) d.w = Min(d.w, Float4(1.0f)); |
| } |
| |
| if(instruction->isPredicated()) |
| { |
| Vector4f pDst; // FIXME: Rename |
| |
| switch(dst.type) |
| { |
| case Shader::PARAMETER_TEMP: |
| if(dst.rel.type == Shader::PARAMETER_VOID) |
| { |
| if(dst.x) pDst.x = r[dst.index].x; |
| if(dst.y) pDst.y = r[dst.index].y; |
| if(dst.z) pDst.z = r[dst.index].z; |
| if(dst.w) pDst.w = r[dst.index].w; |
| } |
| else if(!dst.rel.dynamic) |
| { |
| Int a = dst.index + relativeAddress(dst.rel); |
| |
| if(dst.x) pDst.x = r[a].x; |
| if(dst.y) pDst.y = r[a].y; |
| if(dst.z) pDst.z = r[a].z; |
| if(dst.w) pDst.w = r[a].w; |
| } |
| else |
| { |
| Int4 a = dst.index + dynamicAddress(dst.rel); |
| |
| if(dst.x) pDst.x = r[a].x; |
| if(dst.y) pDst.y = r[a].y; |
| if(dst.z) pDst.z = r[a].z; |
| if(dst.w) pDst.w = r[a].w; |
| } |
| break; |
| case Shader::PARAMETER_COLOROUT: |
| if(dst.rel.type == Shader::PARAMETER_VOID) |
| { |
| if(dst.x) pDst.x = oC[dst.index].x; |
| if(dst.y) pDst.y = oC[dst.index].y; |
| if(dst.z) pDst.z = oC[dst.index].z; |
| if(dst.w) pDst.w = oC[dst.index].w; |
| } |
| else if(!dst.rel.dynamic) |
| { |
| Int a = dst.index + relativeAddress(dst.rel); |
| |
| if(dst.x) pDst.x = oC[a].x; |
| if(dst.y) pDst.y = oC[a].y; |
| if(dst.z) pDst.z = oC[a].z; |
| if(dst.w) pDst.w = oC[a].w; |
| } |
| else |
| { |
| Int4 a = dst.index + dynamicAddress(dst.rel); |
| |
| if(dst.x) pDst.x = oC[a].x; |
| if(dst.y) pDst.y = oC[a].y; |
| if(dst.z) pDst.z = oC[a].z; |
| if(dst.w) pDst.w = oC[a].w; |
| } |
| break; |
| case Shader::PARAMETER_PREDICATE: |
| if(dst.x) pDst.x = p0.x; |
| if(dst.y) pDst.y = p0.y; |
| if(dst.z) pDst.z = p0.z; |
| if(dst.w) pDst.w = p0.w; |
| break; |
| case Shader::PARAMETER_DEPTHOUT: |
| pDst.x = oDepth; |
| break; |
| default: |
| ASSERT(false); |
| } |
| |
| Int4 enable = enableMask(instruction); |
| |
| Int4 xEnable = enable; |
| Int4 yEnable = enable; |
| Int4 zEnable = enable; |
| Int4 wEnable = enable; |
| |
| if(predicate) |
| { |
| unsigned char pSwizzle = instruction->predicateSwizzle; |
| |
| Float4 xPredicate = p0[(pSwizzle >> 0) & 0x03]; |
| Float4 yPredicate = p0[(pSwizzle >> 2) & 0x03]; |
| Float4 zPredicate = p0[(pSwizzle >> 4) & 0x03]; |
| Float4 wPredicate = p0[(pSwizzle >> 6) & 0x03]; |
| |
| if(!instruction->predicateNot) |
| { |
| if(dst.x) xEnable = xEnable & As<Int4>(xPredicate); |
| if(dst.y) yEnable = yEnable & As<Int4>(yPredicate); |
| if(dst.z) zEnable = zEnable & As<Int4>(zPredicate); |
| if(dst.w) wEnable = wEnable & As<Int4>(wPredicate); |
| } |
| else |
| { |
| if(dst.x) xEnable = xEnable & ~As<Int4>(xPredicate); |
| if(dst.y) yEnable = yEnable & ~As<Int4>(yPredicate); |
| if(dst.z) zEnable = zEnable & ~As<Int4>(zPredicate); |
| if(dst.w) wEnable = wEnable & ~As<Int4>(wPredicate); |
| } |
| } |
| |
| if(dst.x) d.x = As<Float4>(As<Int4>(d.x) & xEnable); |
| if(dst.y) d.y = As<Float4>(As<Int4>(d.y) & yEnable); |
| if(dst.z) d.z = As<Float4>(As<Int4>(d.z) & zEnable); |
| if(dst.w) d.w = As<Float4>(As<Int4>(d.w) & wEnable); |
| |
| if(dst.x) d.x = As<Float4>(As<Int4>(d.x) | (As<Int4>(pDst.x) & ~xEnable)); |
| if(dst.y) d.y = As<Float4>(As<Int4>(d.y) | (As<Int4>(pDst.y) & ~yEnable)); |
| if(dst.z) d.z = As<Float4>(As<Int4>(d.z) | (As<Int4>(pDst.z) & ~zEnable)); |
| if(dst.w) d.w = As<Float4>(As<Int4>(d.w) | (As<Int4>(pDst.w) & ~wEnable)); |
| } |
| |
| switch(dst.type) |
| { |
| case Shader::PARAMETER_TEMP: |
| if(dst.rel.type == Shader::PARAMETER_VOID) |
| { |
| if(dst.x) r[dst.index].x = d.x; |
| if(dst.y) r[dst.index].y = d.y; |
| if(dst.z) r[dst.index].z = d.z; |
| if(dst.w) r[dst.index].w = d.w; |
| } |
| else if(!dst.rel.dynamic) |
| { |
| Int a = dst.index + relativeAddress(dst.rel); |
| |
| if(dst.x) r[a].x = d.x; |
| if(dst.y) r[a].y = d.y; |
| if(dst.z) r[a].z = d.z; |
| if(dst.w) r[a].w = d.w; |
| } |
| else |
| { |
| Int4 a = dst.index + dynamicAddress(dst.rel); |
| |
| if(dst.x) r.scatter_x(a, d.x); |
| if(dst.y) r.scatter_y(a, d.y); |
| if(dst.z) r.scatter_z(a, d.z); |
| if(dst.w) r.scatter_w(a, d.w); |
| } |
| break; |
| case Shader::PARAMETER_COLOROUT: |
| if(dst.rel.type == Shader::PARAMETER_VOID) |
| { |
| broadcastColor0 = (dst.index == 0) && broadcastColor0; |
| |
| if(dst.x) oC[dst.index].x = d.x; |
| if(dst.y) oC[dst.index].y = d.y; |
| if(dst.z) oC[dst.index].z = d.z; |
| if(dst.w) oC[dst.index].w = d.w; |
| } |
| else if(!dst.rel.dynamic) |
| { |
| broadcastColor0 = false; |
| Int a = dst.index + relativeAddress(dst.rel); |
| |
| if(dst.x) oC[a].x = d.x; |
| if(dst.y) oC[a].y = d.y; |
| if(dst.z) oC[a].z = d.z; |
| if(dst.w) oC[a].w = d.w; |
| } |
| else |
| { |
| broadcastColor0 = false; |
| Int4 a = dst.index + dynamicAddress(dst.rel); |
| |
| if(dst.x) oC.scatter_x(a, d.x); |
| if(dst.y) oC.scatter_y(a, d.y); |
| if(dst.z) oC.scatter_z(a, d.z); |
| if(dst.w) oC.scatter_w(a, d.w); |
| } |
| break; |
| case Shader::PARAMETER_PREDICATE: |
| if(dst.x) p0.x = d.x; |
| if(dst.y) p0.y = d.y; |
| if(dst.z) p0.z = d.z; |
| if(dst.w) p0.w = d.w; |
| break; |
| case Shader::PARAMETER_DEPTHOUT: |
| oDepth = d.x; |
| break; |
| default: |
| ASSERT(false); |
| } |
| } |
| } |
| |
| if(currentLabel != -1) |
| { |
| Nucleus::setInsertBlock(returnBlock); |
| } |
| |
| if(broadcastColor0) |
| { |
| for(int i = 0; i < RENDERTARGETS; i++) |
| { |
| c[i] = oC[0]; |
| } |
| } |
| else |
| { |
| for(int i = 0; i < RENDERTARGETS; i++) |
| { |
| c[i] = oC[i]; |
| } |
| } |
| |
| clampColor(c); |
| |
| if(state.depthOverride) |
| { |
| oDepth = Min(Max(oDepth, Float4(0.0f)), Float4(1.0f)); |
| } |
| } |
| |
| Bool PixelProgram::alphaTest(Int cMask[4]) |
| { |
| if(!state.alphaTestActive()) |
| { |
| return true; |
| } |
| |
| Int aMask; |
| |
| if(state.transparencyAntialiasing == TRANSPARENCY_NONE) |
| { |
| Short4 alpha = RoundShort4(c[0].w * Float4(0x1000)); |
| |
| PixelRoutine::alphaTest(aMask, alpha); |
| |
| for(unsigned int q = 0; q < state.multiSample; q++) |
| { |
| cMask[q] &= aMask; |
| } |
| } |
| else if(state.transparencyAntialiasing == TRANSPARENCY_ALPHA_TO_COVERAGE) |
| { |
| alphaToCoverage(cMask, c[0].w); |
| } |
| else ASSERT(false); |
| |
| Int pass = cMask[0]; |
| |
| for(unsigned int q = 1; q < state.multiSample; q++) |
| { |
| pass = pass | cMask[q]; |
| } |
| |
| return pass != 0x0; |
| } |
| |
| void PixelProgram::rasterOperation(Float4 &fog, Pointer<Byte> cBuffer[4], Int &x, Int sMask[4], Int zMask[4], Int cMask[4]) |
| { |
| for(int index = 0; index < RENDERTARGETS; index++) |
| { |
| if(!state.colorWriteActive(index)) |
| { |
| continue; |
| } |
| |
| if(!postBlendSRGB && state.writeSRGB && !isSRGB(index)) |
| { |
| c[index].x = linearToSRGB(c[index].x); |
| c[index].y = linearToSRGB(c[index].y); |
| c[index].z = linearToSRGB(c[index].z); |
| } |
| |
| if(index == 0) |
| { |
| fogBlend(c[index], fog); |
| } |
| |
| switch(state.targetFormat[index]) |
| { |
| case FORMAT_R5G6B5: |
| case FORMAT_X8R8G8B8: |
| case FORMAT_X8B8G8R8: |
| case FORMAT_A8R8G8B8: |
| case FORMAT_A8B8G8R8: |
| case FORMAT_SRGB8_X8: |
| case FORMAT_SRGB8_A8: |
| case FORMAT_G8R8: |
| case FORMAT_R8: |
| case FORMAT_A8: |
| case FORMAT_G16R16: |
| case FORMAT_A16B16G16R16: |
| for(unsigned int q = 0; q < state.multiSample; q++) |
| { |
| Pointer<Byte> buffer = cBuffer[index] + q * *Pointer<Int>(data + OFFSET(DrawData, colorSliceB[index])); |
| Vector4s color; |
| |
| if(state.targetFormat[index] == FORMAT_R5G6B5) |
| { |
| color.x = UShort4(c[index].x * Float4(0xFBFF), false); |
| color.y = UShort4(c[index].y * Float4(0xFDFF), false); |
| color.z = UShort4(c[index].z * Float4(0xFBFF), false); |
| color.w = UShort4(c[index].w * Float4(0xFFFF), false); |
| } |
| else |
| { |
| color.x = convertFixed16(c[index].x, false); |
| color.y = convertFixed16(c[index].y, false); |
| color.z = convertFixed16(c[index].z, false); |
| color.w = convertFixed16(c[index].w, false); |
| } |
| |
| if(state.multiSampleMask & (1 << q)) |
| { |
| alphaBlend(index, buffer, color, x); |
| logicOperation(index, buffer, color, x); |
| writeColor(index, buffer, x, color, sMask[q], zMask[q], cMask[q]); |
| } |
| } |
| break; |
| case FORMAT_R32F: |
| case FORMAT_G32R32F: |
| case FORMAT_X32B32G32R32F: |
| case FORMAT_A32B32G32R32F: |
| case FORMAT_X32B32G32R32F_UNSIGNED: |
| case FORMAT_R32I: |
| case FORMAT_G32R32I: |
| case FORMAT_A32B32G32R32I: |
| case FORMAT_R32UI: |
| case FORMAT_G32R32UI: |
| case FORMAT_A32B32G32R32UI: |
| case FORMAT_R16I: |
| case FORMAT_G16R16I: |
| case FORMAT_A16B16G16R16I: |
| case FORMAT_R16UI: |
| case FORMAT_G16R16UI: |
| case FORMAT_A16B16G16R16UI: |
| case FORMAT_R8I: |
| case FORMAT_G8R8I: |
| case FORMAT_A8B8G8R8I: |
| case FORMAT_R8UI: |
| case FORMAT_G8R8UI: |
| case FORMAT_A8B8G8R8UI: |
| for(unsigned int q = 0; q < state.multiSample; q++) |
| { |
| Pointer<Byte> buffer = cBuffer[index] + q * *Pointer<Int>(data + OFFSET(DrawData, colorSliceB[index])); |
| Vector4f color = c[index]; |
| |
| if(state.multiSampleMask & (1 << q)) |
| { |
| alphaBlend(index, buffer, color, x); |
| writeColor(index, buffer, x, color, sMask[q], zMask[q], cMask[q]); |
| } |
| } |
| break; |
| default: |
| ASSERT(false); |
| } |
| } |
| } |
| |
| Vector4f PixelProgram::sampleTexture(const Src &sampler, Vector4f &uvwq, Float4 &bias, Vector4f &dsx, Vector4f &dsy, Vector4f &offset, SamplerFunction function) |
| { |
| Vector4f tmp; |
| |
| if(sampler.type == Shader::PARAMETER_SAMPLER && sampler.rel.type == Shader::PARAMETER_VOID) |
| { |
| tmp = sampleTexture(sampler.index, uvwq, bias, dsx, dsy, offset, function); |
| } |
| else |
| { |
| Int index = As<Int>(Float(fetchRegister(sampler).x.x)); |
| |
| for(int i = 0; i < TEXTURE_IMAGE_UNITS; i++) |
| { |
| if(shader->usesSampler(i)) |
| { |
| If(index == i) |
| { |
| tmp = sampleTexture(i, uvwq, bias, dsx, dsy, offset, function); |
| // FIXME: When the sampler states are the same, we could use one sampler and just index the texture |
| } |
| } |
| } |
| } |
| |
| Vector4f c; |
| c.x = tmp[(sampler.swizzle >> 0) & 0x3]; |
| c.y = tmp[(sampler.swizzle >> 2) & 0x3]; |
| c.z = tmp[(sampler.swizzle >> 4) & 0x3]; |
| c.w = tmp[(sampler.swizzle >> 6) & 0x3]; |
| |
| return c; |
| } |
| |
| Vector4f PixelProgram::sampleTexture(int samplerIndex, Vector4f &uvwq, Float4 &bias, Vector4f &dsx, Vector4f &dsy, Vector4f &offset, SamplerFunction function) |
| { |
| #if PERF_PROFILE |
| Long texTime = Ticks(); |
| #endif |
| |
| Pointer<Byte> texture = data + OFFSET(DrawData, mipmap) + samplerIndex * sizeof(Texture); |
| Vector4f c = SamplerCore(constants, state.sampler[samplerIndex]).sampleTexture(texture, uvwq.x, uvwq.y, uvwq.z, uvwq.w, bias, dsx, dsy, offset, function); |
| |
| #if PERF_PROFILE |
| cycles[PERF_TEX] += Ticks() - texTime; |
| #endif |
| |
| return c; |
| } |
| |
| void PixelProgram::clampColor(Vector4f oC[RENDERTARGETS]) |
| { |
| for(int index = 0; index < RENDERTARGETS; index++) |
| { |
| if(!state.colorWriteActive(index) && !(index == 0 && state.alphaTestActive())) |
| { |
| continue; |
| } |
| |
| switch(state.targetFormat[index]) |
| { |
| case FORMAT_NULL: |
| break; |
| case FORMAT_R5G6B5: |
| case FORMAT_A8R8G8B8: |
| case FORMAT_A8B8G8R8: |
| case FORMAT_X8R8G8B8: |
| case FORMAT_X8B8G8R8: |
| case FORMAT_SRGB8_X8: |
| case FORMAT_SRGB8_A8: |
| case FORMAT_G8R8: |
| case FORMAT_R8: |
| case FORMAT_A8: |
| case FORMAT_G16R16: |
| case FORMAT_A16B16G16R16: |
| oC[index].x = Max(oC[index].x, Float4(0.0f)); oC[index].x = Min(oC[index].x, Float4(1.0f)); |
| oC[index].y = Max(oC[index].y, Float4(0.0f)); oC[index].y = Min(oC[index].y, Float4(1.0f)); |
| oC[index].z = Max(oC[index].z, Float4(0.0f)); oC[index].z = Min(oC[index].z, Float4(1.0f)); |
| oC[index].w = Max(oC[index].w, Float4(0.0f)); oC[index].w = Min(oC[index].w, Float4(1.0f)); |
| break; |
| case FORMAT_R32F: |
| case FORMAT_G32R32F: |
| case FORMAT_X32B32G32R32F: |
| case FORMAT_A32B32G32R32F: |
| case FORMAT_R32I: |
| case FORMAT_G32R32I: |
| case FORMAT_A32B32G32R32I: |
| case FORMAT_R32UI: |
| case FORMAT_G32R32UI: |
| case FORMAT_A32B32G32R32UI: |
| case FORMAT_R16I: |
| case FORMAT_G16R16I: |
| case FORMAT_A16B16G16R16I: |
| case FORMAT_R16UI: |
| case FORMAT_G16R16UI: |
| case FORMAT_A16B16G16R16UI: |
| case FORMAT_R8I: |
| case FORMAT_G8R8I: |
| case FORMAT_A8B8G8R8I: |
| case FORMAT_R8UI: |
| case FORMAT_G8R8UI: |
| case FORMAT_A8B8G8R8UI: |
| break; |
| case FORMAT_X32B32G32R32F_UNSIGNED: |
| oC[index].x = Max(oC[index].x, Float4(0.0f)); |
| oC[index].y = Max(oC[index].y, Float4(0.0f)); |
| oC[index].z = Max(oC[index].z, Float4(0.0f)); |
| oC[index].w = Max(oC[index].w, Float4(0.0f)); |
| break; |
| default: |
| ASSERT(false); |
| } |
| } |
| } |
| |
| Int4 PixelProgram::enableMask(const Shader::Instruction *instruction) |
| { |
| Int4 enable = instruction->analysisBranch ? Int4(enableStack[enableIndex]) : Int4(0xFFFFFFFF); |
| |
| if(!whileTest) |
| { |
| if(shader->containsBreakInstruction() && instruction->analysisBreak) |
| { |
| enable &= enableBreak; |
| } |
| |
| if(shader->containsContinueInstruction() && instruction->analysisContinue) |
| { |
| enable &= enableContinue; |
| } |
| |
| if(shader->containsLeaveInstruction() && instruction->analysisLeave) |
| { |
| enable &= enableLeave; |
| } |
| } |
| |
| return enable; |
| } |
| |
| Vector4f PixelProgram::fetchRegister(const Src &src, unsigned int offset) |
| { |
| Vector4f reg; |
| unsigned int i = src.index + offset; |
| |
| switch(src.type) |
| { |
| case Shader::PARAMETER_TEMP: |
| if(src.rel.type == Shader::PARAMETER_VOID) |
| { |
| reg = r[i]; |
| } |
| else if(!src.rel.dynamic) |
| { |
| reg = r[i + relativeAddress(src.rel, src.bufferIndex)]; |
| } |
| else |
| { |
| reg = r[i + dynamicAddress(src.rel)]; |
| } |
| break; |
| case Shader::PARAMETER_INPUT: |
| if(src.rel.type == Shader::PARAMETER_VOID) // Not relative |
| { |
| reg = v[i]; |
| } |
| else if(!src.rel.dynamic) |
| { |
| reg = v[i + relativeAddress(src.rel, src.bufferIndex)]; |
| } |
| else |
| { |
| reg = v[i + dynamicAddress(src.rel)]; |
| } |
| break; |
| case Shader::PARAMETER_CONST: |
| reg = readConstant(src, offset); |
| break; |
| case Shader::PARAMETER_TEXTURE: |
| reg = v[2 + i]; |
| break; |
| case Shader::PARAMETER_MISCTYPE: |
| if(src.index == Shader::VPosIndex) reg = vPos; |
| if(src.index == Shader::VFaceIndex) reg = vFace; |
| break; |
| case Shader::PARAMETER_SAMPLER: |
| if(src.rel.type == Shader::PARAMETER_VOID) |
| { |
| reg.x = As<Float4>(Int4(i)); |
| } |
| else if(src.rel.type == Shader::PARAMETER_TEMP) |
| { |
| reg.x = As<Float4>(Int4(i) + As<Int4>(r[src.rel.index].x)); |
| } |
| return reg; |
| case Shader::PARAMETER_PREDICATE: return reg; // Dummy |
| case Shader::PARAMETER_VOID: return reg; // Dummy |
| case Shader::PARAMETER_FLOAT4LITERAL: |
| reg.x = Float4(src.value[0]); |
| reg.y = Float4(src.value[1]); |
| reg.z = Float4(src.value[2]); |
| reg.w = Float4(src.value[3]); |
| break; |
| case Shader::PARAMETER_CONSTINT: return reg; // Dummy |
| case Shader::PARAMETER_CONSTBOOL: return reg; // Dummy |
| case Shader::PARAMETER_LOOP: return reg; // Dummy |
| case Shader::PARAMETER_COLOROUT: |
| if(src.rel.type == Shader::PARAMETER_VOID) // Not relative |
| { |
| reg = oC[i]; |
| } |
| else if(!src.rel.dynamic) |
| { |
| reg = oC[i + relativeAddress(src.rel, src.bufferIndex)]; |
| } |
| else |
| { |
| reg = oC[i + dynamicAddress(src.rel)]; |
| } |
| break; |
| case Shader::PARAMETER_DEPTHOUT: |
| reg.x = oDepth; |
| break; |
| default: |
| ASSERT(false); |
| } |
| |
| const Float4 &x = reg[(src.swizzle >> 0) & 0x3]; |
| const Float4 &y = reg[(src.swizzle >> 2) & 0x3]; |
| const Float4 &z = reg[(src.swizzle >> 4) & 0x3]; |
| const Float4 &w = reg[(src.swizzle >> 6) & 0x3]; |
| |
| Vector4f mod; |
| |
| switch(src.modifier) |
| { |
| case Shader::MODIFIER_NONE: |
| mod.x = x; |
| mod.y = y; |
| mod.z = z; |
| mod.w = w; |
| break; |
| case Shader::MODIFIER_NEGATE: |
| mod.x = -x; |
| mod.y = -y; |
| mod.z = -z; |
| mod.w = -w; |
| break; |
| case Shader::MODIFIER_ABS: |
| mod.x = Abs(x); |
| mod.y = Abs(y); |
| mod.z = Abs(z); |
| mod.w = Abs(w); |
| break; |
| case Shader::MODIFIER_ABS_NEGATE: |
| mod.x = -Abs(x); |
| mod.y = -Abs(y); |
| mod.z = -Abs(z); |
| mod.w = -Abs(w); |
| break; |
| case Shader::MODIFIER_NOT: |
| mod.x = As<Float4>(As<Int4>(x) ^ Int4(0xFFFFFFFF)); |
| mod.y = As<Float4>(As<Int4>(y) ^ Int4(0xFFFFFFFF)); |
| mod.z = As<Float4>(As<Int4>(z) ^ Int4(0xFFFFFFFF)); |
| mod.w = As<Float4>(As<Int4>(w) ^ Int4(0xFFFFFFFF)); |
| break; |
| default: |
| ASSERT(false); |
| } |
| |
| return mod; |
| } |
| |
| RValue<Pointer<Byte>> PixelProgram::uniformAddress(int bufferIndex, unsigned int index) |
| { |
| if(bufferIndex == -1) |
| { |
| return data + OFFSET(DrawData, ps.c[index]); |
| } |
| else |
| { |
| return *Pointer<Pointer<Byte>>(data + OFFSET(DrawData, ps.u[bufferIndex])) + index; |
| } |
| } |
| |
| RValue<Pointer<Byte>> PixelProgram::uniformAddress(int bufferIndex, unsigned int index, Int& offset) |
| { |
| return uniformAddress(bufferIndex, index) + offset * sizeof(float4); |
| } |
| |
| Vector4f PixelProgram::readConstant(const Src &src, unsigned int offset) |
| { |
| Vector4f c; |
| unsigned int i = src.index + offset; |
| |
| if(src.rel.type == Shader::PARAMETER_VOID) // Not relative |
| { |
| c.x = c.y = c.z = c.w = *Pointer<Float4>(uniformAddress(src.bufferIndex, i)); |
| |
| c.x = c.x.xxxx; |
| c.y = c.y.yyyy; |
| c.z = c.z.zzzz; |
| c.w = c.w.wwww; |
| |
| if(shader->containsDefineInstruction()) // Constant may be known at compile time |
| { |
| for(size_t j = 0; j < shader->getLength(); j++) |
| { |
| const Shader::Instruction &instruction = *shader->getInstruction(j); |
| |
| if(instruction.opcode == Shader::OPCODE_DEF) |
| { |
| if(instruction.dst.index == i) |
| { |
| c.x = Float4(instruction.src[0].value[0]); |
| c.y = Float4(instruction.src[0].value[1]); |
| c.z = Float4(instruction.src[0].value[2]); |
| c.w = Float4(instruction.src[0].value[3]); |
| |
| break; |
| } |
| } |
| } |
| } |
| } |
| else if(!src.rel.dynamic || src.rel.type == Shader::PARAMETER_LOOP) |
| { |
| Int a = relativeAddress(src.rel, src.bufferIndex); |
| |
| c.x = c.y = c.z = c.w = *Pointer<Float4>(uniformAddress(src.bufferIndex, i, a)); |
| |
| c.x = c.x.xxxx; |
| c.y = c.y.yyyy; |
| c.z = c.z.zzzz; |
| c.w = c.w.wwww; |
| } |
| else |
| { |
| int component = src.rel.swizzle & 0x03; |
| Float4 a; |
| |
| switch(src.rel.type) |
| { |
| case Shader::PARAMETER_TEMP: a = r[src.rel.index][component]; break; |
| case Shader::PARAMETER_INPUT: a = v[src.rel.index][component]; break; |
| case Shader::PARAMETER_OUTPUT: a = oC[src.rel.index][component]; break; |
| case Shader::PARAMETER_CONST: a = *Pointer<Float>(uniformAddress(src.bufferIndex, src.rel.index) + component * sizeof(float)); break; |
| case Shader::PARAMETER_MISCTYPE: |
| switch(src.rel.index) |
| { |
| case Shader::VPosIndex: a = vPos.x; break; |
| case Shader::VFaceIndex: a = vFace.x; break; |
| default: ASSERT(false); |
| } |
| break; |
| default: ASSERT(false); |
| } |
| |
| Int4 index = Int4(i) + As<Int4>(a) * Int4(src.rel.scale); |
| |
| index = Min(As<UInt4>(index), UInt4(VERTEX_UNIFORM_VECTORS)); // Clamp to constant register range, c[VERTEX_UNIFORM_VECTORS] = {0, 0, 0, 0} |
| |
| Int index0 = Extract(index, 0); |
| Int index1 = Extract(index, 1); |
| Int index2 = Extract(index, 2); |
| Int index3 = Extract(index, 3); |
| |
| c.x = *Pointer<Float4>(uniformAddress(src.bufferIndex, 0, index0), 16); |
| c.y = *Pointer<Float4>(uniformAddress(src.bufferIndex, 0, index1), 16); |
| c.z = *Pointer<Float4>(uniformAddress(src.bufferIndex, 0, index2), 16); |
| c.w = *Pointer<Float4>(uniformAddress(src.bufferIndex, 0, index3), 16); |
| |
| transpose4x4(c.x, c.y, c.z, c.w); |
| } |
| |
| return c; |
| } |
| |
| Int PixelProgram::relativeAddress(const Shader::Relative &rel, int bufferIndex) |
| { |
| ASSERT(!rel.dynamic); |
| |
| if(rel.type == Shader::PARAMETER_TEMP) |
| { |
| return As<Int>(Extract(r[rel.index].x, 0)) * rel.scale; |
| } |
| else if(rel.type == Shader::PARAMETER_INPUT) |
| { |
| return As<Int>(Extract(v[rel.index].x, 0)) * rel.scale; |
| } |
| else if(rel.type == Shader::PARAMETER_OUTPUT) |
| { |
| return As<Int>(Extract(oC[rel.index].x, 0)) * rel.scale; |
| } |
| else if(rel.type == Shader::PARAMETER_CONST) |
| { |
| return *Pointer<Int>(uniformAddress(bufferIndex, rel.index)) * rel.scale; |
| } |
| else if(rel.type == Shader::PARAMETER_LOOP) |
| { |
| return aL[loopDepth]; |
| } |
| else ASSERT(false); |
| |
| return 0; |
| } |
| |
| Int4 PixelProgram::dynamicAddress(const Shader::Relative &rel) |
| { |
| int component = rel.swizzle & 0x03; |
| Float4 a; |
| |
| switch(rel.type) |
| { |
| case Shader::PARAMETER_TEMP: a = r[rel.index][component]; break; |
| case Shader::PARAMETER_INPUT: a = v[rel.index][component]; break; |
| case Shader::PARAMETER_OUTPUT: a = oC[rel.index][component]; break; |
| case Shader::PARAMETER_MISCTYPE: |
| switch(rel.index) |
| { |
| case Shader::VPosIndex: a = vPos.x; break; |
| case Shader::VFaceIndex: a = vFace.x; break; |
| default: ASSERT(false); |
| } |
| break; |
| default: ASSERT(false); |
| } |
| |
| return As<Int4>(a) * Int4(rel.scale); |
| } |
| |
| Float4 PixelProgram::linearToSRGB(const Float4 &x) // Approximates x^(1.0/2.2) |
| { |
| Float4 sqrtx = Rcp_pp(RcpSqrt_pp(x)); |
| Float4 sRGB = sqrtx * Float4(1.14f) - x * Float4(0.14f); |
| |
| return Min(Max(sRGB, Float4(0.0f)), Float4(1.0f)); |
| } |
| |
| void PixelProgram::M3X2(Vector4f &dst, Vector4f &src0, const Src &src1) |
| { |
| Vector4f row0 = fetchRegister(src1, 0); |
| Vector4f row1 = fetchRegister(src1, 1); |
| |
| dst.x = dot3(src0, row0); |
| dst.y = dot3(src0, row1); |
| } |
| |
| void PixelProgram::M3X3(Vector4f &dst, Vector4f &src0, const Src &src1) |
| { |
| Vector4f row0 = fetchRegister(src1, 0); |
| Vector4f row1 = fetchRegister(src1, 1); |
| Vector4f row2 = fetchRegister(src1, 2); |
| |
| dst.x = dot3(src0, row0); |
| dst.y = dot3(src0, row1); |
| dst.z = dot3(src0, row2); |
| } |
| |
| void PixelProgram::M3X4(Vector4f &dst, Vector4f &src0, const Src &src1) |
| { |
| Vector4f row0 = fetchRegister(src1, 0); |
| Vector4f row1 = fetchRegister(src1, 1); |
| Vector4f row2 = fetchRegister(src1, 2); |
| Vector4f row3 = fetchRegister(src1, 3); |
| |
| dst.x = dot3(src0, row0); |
| dst.y = dot3(src0, row1); |
| dst.z = dot3(src0, row2); |
| dst.w = dot3(src0, row3); |
| } |
| |
| void PixelProgram::M4X3(Vector4f &dst, Vector4f &src0, const Src &src1) |
| { |
| Vector4f row0 = fetchRegister(src1, 0); |
| Vector4f row1 = fetchRegister(src1, 1); |
| Vector4f row2 = fetchRegister(src1, 2); |
| |
| dst.x = dot4(src0, row0); |
| dst.y = dot4(src0, row1); |
| dst.z = dot4(src0, row2); |
| } |
| |
| void PixelProgram::M4X4(Vector4f &dst, Vector4f &src0, const Src &src1) |
| { |
| Vector4f row0 = fetchRegister(src1, 0); |
| Vector4f row1 = fetchRegister(src1, 1); |
| Vector4f row2 = fetchRegister(src1, 2); |
| Vector4f row3 = fetchRegister(src1, 3); |
| |
| dst.x = dot4(src0, row0); |
| dst.y = dot4(src0, row1); |
| dst.z = dot4(src0, row2); |
| dst.w = dot4(src0, row3); |
| } |
| |
| void PixelProgram::TEX(Vector4f &dst, Vector4f &src0, const Src &src1, bool project, bool bias) |
| { |
| if(project) |
| { |
| Vector4f proj; |
| Float4 rw = reciprocal(src0.w); |
| proj.x = src0.x * rw; |
| proj.y = src0.y * rw; |
| proj.z = src0.z * rw; |
| |
| dst = sampleTexture(src1, proj, src0.x, (src0), (src0), (src0), Implicit); |
| } |
| else |
| { |
| dst = sampleTexture(src1, src0, src0.x, (src0), (src0), (src0), bias ? Bias : Implicit); |
| } |
| } |
| |
| void PixelProgram::TEXOFFSET(Vector4f &dst, Vector4f &src0, const Src &src1, Vector4f &offset) |
| { |
| dst = sampleTexture(src1, src0, (src0.x), (src0), (src0), offset, {Implicit, Offset}); |
| } |
| |
| void PixelProgram::TEXLODOFFSET(Vector4f &dst, Vector4f &src0, const Src &src1, Vector4f &offset, Float4 &lod) |
| { |
| dst = sampleTexture(src1, src0, lod, (src0), (src0), offset, {Lod, Offset}); |
| } |
| |
| void PixelProgram::TEXBIAS(Vector4f &dst, Vector4f &src0, const Src &src1, Float4 &bias) |
| { |
| dst = sampleTexture(src1, src0, bias, (src0), (src0), (src0), Bias); |
| } |
| |
| void PixelProgram::TEXOFFSETBIAS(Vector4f &dst, Vector4f &src0, const Src &src1, Vector4f &offset, Float4 &bias) |
| { |
| dst = sampleTexture(src1, src0, bias, (src0), (src0), offset, {Bias, Offset}); |
| } |
| |
| void PixelProgram::TEXELFETCH(Vector4f &dst, Vector4f &src0, const Src& src1, Float4 &lod) |
| { |
| dst = sampleTexture(src1, src0, lod, (src0), (src0), (src0), Fetch); |
| } |
| |
| void PixelProgram::TEXELFETCHOFFSET(Vector4f &dst, Vector4f &src0, const Src& src1, Vector4f &offset, Float4 &lod) |
| { |
| dst = sampleTexture(src1, src0, lod, (src0), (src0), offset, {Fetch, Offset}); |
| } |
| |
| void PixelProgram::TEXGRAD(Vector4f &dst, Vector4f &src0, const Src& src1, Vector4f &dsx, Vector4f &dsy) |
| { |
| dst = sampleTexture(src1, src0, (src0.x), dsx, dsy, (src0), Grad); |
| } |
| |
| void PixelProgram::TEXGRADOFFSET(Vector4f &dst, Vector4f &src0, const Src& src1, Vector4f &dsx, Vector4f &dsy, Vector4f &offset) |
| { |
| dst = sampleTexture(src1, src0, (src0.x), dsx, dsy, offset, {Grad, Offset}); |
| } |
| |
| void PixelProgram::TEXLOD(Vector4f &dst, Vector4f &src0, const Src &src1, Float4 &lod) |
| { |
| dst = sampleTexture(src1, src0, lod, (src0), (src0), (src0), Lod); |
| } |
| |
| void PixelProgram::TEXSIZE(Vector4f &dst, Float4 &lod, const Src &src1) |
| { |
| Pointer<Byte> texture = data + OFFSET(DrawData, mipmap) + src1.index * sizeof(Texture); |
| dst = SamplerCore::textureSize(texture, lod); |
| } |
| |
| void PixelProgram::TEXKILL(Int cMask[4], Vector4f &src, unsigned char mask) |
| { |
| Int kill = -1; |
| |
| if(mask & 0x1) kill &= SignMask(CmpNLT(src.x, Float4(0.0f))); |
| if(mask & 0x2) kill &= SignMask(CmpNLT(src.y, Float4(0.0f))); |
| if(mask & 0x4) kill &= SignMask(CmpNLT(src.z, Float4(0.0f))); |
| if(mask & 0x8) kill &= SignMask(CmpNLT(src.w, Float4(0.0f))); |
| |
| // FIXME: Dynamic branching affects TEXKILL? |
| // if(shader->containsDynamicBranching()) |
| // { |
| // kill = ~SignMask(enableMask()); |
| // } |
| |
| for(unsigned int q = 0; q < state.multiSample; q++) |
| { |
| cMask[q] &= kill; |
| } |
| |
| // FIXME: Branch to end of shader if all killed? |
| } |
| |
| void PixelProgram::DISCARD(Int cMask[4], const Shader::Instruction *instruction) |
| { |
| Int kill = 0; |
| |
| if(shader->containsDynamicBranching()) |
| { |
| kill = ~SignMask(enableMask(instruction)); |
| } |
| |
| for(unsigned int q = 0; q < state.multiSample; q++) |
| { |
| cMask[q] &= kill; |
| } |
| |
| // FIXME: Branch to end of shader if all killed? |
| } |
| |
| void PixelProgram::DFDX(Vector4f &dst, Vector4f &src) |
| { |
| dst.x = src.x.yyww - src.x.xxzz; |
| dst.y = src.y.yyww - src.y.xxzz; |
| dst.z = src.z.yyww - src.z.xxzz; |
| dst.w = src.w.yyww - src.w.xxzz; |
| } |
| |
| void PixelProgram::DFDY(Vector4f &dst, Vector4f &src) |
| { |
| dst.x = src.x.zwzw - src.x.xyxy; |
| dst.y = src.y.zwzw - src.y.xyxy; |
| dst.z = src.z.zwzw - src.z.xyxy; |
| dst.w = src.w.zwzw - src.w.xyxy; |
| } |
| |
| void PixelProgram::FWIDTH(Vector4f &dst, Vector4f &src) |
| { |
| // abs(dFdx(src)) + abs(dFdy(src)); |
| dst.x = Abs(src.x.yyww - src.x.xxzz) + Abs(src.x.zwzw - src.x.xyxy); |
| dst.y = Abs(src.y.yyww - src.y.xxzz) + Abs(src.y.zwzw - src.y.xyxy); |
| dst.z = Abs(src.z.yyww - src.z.xxzz) + Abs(src.z.zwzw - src.z.xyxy); |
| dst.w = Abs(src.w.yyww - src.w.xxzz) + Abs(src.w.zwzw - src.w.xyxy); |
| } |
| |
| void PixelProgram::BREAK() |
| { |
| enableBreak = enableBreak & ~enableStack[enableIndex]; |
| } |
| |
| void PixelProgram::BREAKC(Vector4f &src0, Vector4f &src1, Control control) |
| { |
| Int4 condition; |
| |
| switch(control) |
| { |
| case Shader::CONTROL_GT: condition = CmpNLE(src0.x, src1.x); break; |
| case Shader::CONTROL_EQ: condition = CmpEQ(src0.x, src1.x); break; |
| case Shader::CONTROL_GE: condition = CmpNLT(src0.x, src1.x); break; |
| case Shader::CONTROL_LT: condition = CmpLT(src0.x, src1.x); break; |
| case Shader::CONTROL_NE: condition = CmpNEQ(src0.x, src1.x); break; |
| case Shader::CONTROL_LE: condition = CmpLE(src0.x, src1.x); break; |
| default: |
| ASSERT(false); |
| } |
| |
| BREAK(condition); |
| } |
| |
| void PixelProgram::BREAKP(const Src &predicateRegister) // FIXME: Factor out parts common with BREAKC |
| { |
| Int4 condition = As<Int4>(p0[predicateRegister.swizzle & 0x3]); |
| |
| if(predicateRegister.modifier == Shader::MODIFIER_NOT) |
| { |
| condition = ~condition; |
| } |
| |
| BREAK(condition); |
| } |
| |
| void PixelProgram::BREAK(Int4 &condition) |
| { |
| condition &= enableStack[enableIndex]; |
| |
| enableBreak = enableBreak & ~condition; |
| } |
| |
| void PixelProgram::CONTINUE() |
| { |
| enableContinue = enableContinue & ~enableStack[enableIndex]; |
| } |
| |
| void PixelProgram::TEST() |
| { |
| whileTest = true; |
| } |
| |
| void PixelProgram::CALL(int labelIndex, int callSiteIndex) |
| { |
| if(!labelBlock[labelIndex]) |
| { |
| labelBlock[labelIndex] = Nucleus::createBasicBlock(); |
| } |
| |
| if(callRetBlock[labelIndex].size() > 1) |
| { |
| callStack[stackIndex++] = UInt(callSiteIndex); |
| } |
| |
| Int4 restoreLeave = enableLeave; |
| |
| Nucleus::createBr(labelBlock[labelIndex]); |
| Nucleus::setInsertBlock(callRetBlock[labelIndex][callSiteIndex]); |
| |
| enableLeave = restoreLeave; |
| } |
| |
| void PixelProgram::CALLNZ(int labelIndex, int callSiteIndex, const Src &src) |
| { |
| if(src.type == Shader::PARAMETER_CONSTBOOL) |
| { |
| CALLNZb(labelIndex, callSiteIndex, src); |
| } |
| else if(src.type == Shader::PARAMETER_PREDICATE) |
| { |
| CALLNZp(labelIndex, callSiteIndex, src); |
| } |
| else ASSERT(false); |
| } |
| |
| void PixelProgram::CALLNZb(int labelIndex, int callSiteIndex, const Src &boolRegister) |
| { |
| Bool condition = (*Pointer<Byte>(data + OFFSET(DrawData, ps.b[boolRegister.index])) != Byte(0)); // FIXME |
| |
| if(boolRegister.modifier == Shader::MODIFIER_NOT) |
| { |
| condition = !condition; |
| } |
| |
| if(!labelBlock[labelIndex]) |
| { |
| labelBlock[labelIndex] = Nucleus::createBasicBlock(); |
| } |
| |
| if(callRetBlock[labelIndex].size() > 1) |
| { |
| callStack[stackIndex++] = UInt(callSiteIndex); |
| } |
| |
| Int4 restoreLeave = enableLeave; |
| |
| branch(condition, labelBlock[labelIndex], callRetBlock[labelIndex][callSiteIndex]); |
| Nucleus::setInsertBlock(callRetBlock[labelIndex][callSiteIndex]); |
| |
| enableLeave = restoreLeave; |
| } |
| |
| void PixelProgram::CALLNZp(int labelIndex, int callSiteIndex, const Src &predicateRegister) |
| { |
| Int4 condition = As<Int4>(p0[predicateRegister.swizzle & 0x3]); |
| |
| if(predicateRegister.modifier == Shader::MODIFIER_NOT) |
| { |
| condition = ~condition; |
| } |
| |
| condition &= enableStack[enableIndex]; |
| |
| if(!labelBlock[labelIndex]) |
| { |
| labelBlock[labelIndex] = Nucleus::createBasicBlock(); |
| } |
| |
| if(callRetBlock[labelIndex].size() > 1) |
| { |
| callStack[stackIndex++] = UInt(callSiteIndex); |
| } |
| |
| enableIndex++; |
| enableStack[enableIndex] = condition; |
| Int4 restoreLeave = enableLeave; |
| |
| Bool notAllFalse = SignMask(condition) != 0; |
| branch(notAllFalse, labelBlock[labelIndex], callRetBlock[labelIndex][callSiteIndex]); |
| Nucleus::setInsertBlock(callRetBlock[labelIndex][callSiteIndex]); |
| |
| enableIndex--; |
| enableLeave = restoreLeave; |
| } |
| |
| void PixelProgram::ELSE() |
| { |
| ifDepth--; |
| |
| BasicBlock *falseBlock = ifFalseBlock[ifDepth]; |
| BasicBlock *endBlock = Nucleus::createBasicBlock(); |
| |
| if(isConditionalIf[ifDepth]) |
| { |
| Int4 condition = ~enableStack[enableIndex] & enableStack[enableIndex - 1]; |
| Bool notAllFalse = SignMask(condition) != 0; |
| |
| branch(notAllFalse, falseBlock, endBlock); |
| |
| enableStack[enableIndex] = ~enableStack[enableIndex] & enableStack[enableIndex - 1]; |
| } |
| else |
| { |
| Nucleus::createBr(endBlock); |
| Nucleus::setInsertBlock(falseBlock); |
| } |
| |
| ifFalseBlock[ifDepth] = endBlock; |
| |
| ifDepth++; |
| } |
| |
| void PixelProgram::ENDIF() |
| { |
| ifDepth--; |
| |
| BasicBlock *endBlock = ifFalseBlock[ifDepth]; |
| |
| Nucleus::createBr(endBlock); |
| Nucleus::setInsertBlock(endBlock); |
| |
| if(isConditionalIf[ifDepth]) |
| { |
| enableIndex--; |
| } |
| } |
| |
| void PixelProgram::ENDLOOP() |
| { |
| loopRepDepth--; |
| |
| aL[loopDepth] = aL[loopDepth] + increment[loopDepth]; // FIXME: += |
| |
| BasicBlock *testBlock = loopRepTestBlock[loopRepDepth]; |
| BasicBlock *endBlock = loopRepEndBlock[loopRepDepth]; |
| |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(endBlock); |
| |
| loopDepth--; |
| enableBreak = Int4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); |
| } |
| |
| void PixelProgram::ENDREP() |
| { |
| loopRepDepth--; |
| |
| BasicBlock *testBlock = loopRepTestBlock[loopRepDepth]; |
| BasicBlock *endBlock = loopRepEndBlock[loopRepDepth]; |
| |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(endBlock); |
| |
| loopDepth--; |
| enableBreak = Int4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); |
| } |
| |
| void PixelProgram::ENDWHILE() |
| { |
| loopRepDepth--; |
| |
| BasicBlock *testBlock = loopRepTestBlock[loopRepDepth]; |
| BasicBlock *endBlock = loopRepEndBlock[loopRepDepth]; |
| |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(endBlock); |
| |
| enableIndex--; |
| whileTest = false; |
| } |
| |
| void PixelProgram::ENDSWITCH() |
| { |
| loopRepDepth--; |
| |
| BasicBlock *endBlock = loopRepEndBlock[loopRepDepth]; |
| |
| Nucleus::createBr(endBlock); |
| Nucleus::setInsertBlock(endBlock); |
| } |
| |
| void PixelProgram::IF(const Src &src) |
| { |
| if(src.type == Shader::PARAMETER_CONSTBOOL) |
| { |
| IFb(src); |
| } |
| else if(src.type == Shader::PARAMETER_PREDICATE) |
| { |
| IFp(src); |
| } |
| else |
| { |
| Int4 condition = As<Int4>(fetchRegister(src).x); |
| IF(condition); |
| } |
| } |
| |
| void PixelProgram::IFb(const Src &boolRegister) |
| { |
| ASSERT(ifDepth < 24 + 4); |
| |
| Bool condition = (*Pointer<Byte>(data + OFFSET(DrawData, ps.b[boolRegister.index])) != Byte(0)); // FIXME |
| |
| if(boolRegister.modifier == Shader::MODIFIER_NOT) |
| { |
| condition = !condition; |
| } |
| |
| BasicBlock *trueBlock = Nucleus::createBasicBlock(); |
| BasicBlock *falseBlock = Nucleus::createBasicBlock(); |
| |
| branch(condition, trueBlock, falseBlock); |
| |
| isConditionalIf[ifDepth] = false; |
| ifFalseBlock[ifDepth] = falseBlock; |
| |
| ifDepth++; |
| } |
| |
| void PixelProgram::IFp(const Src &predicateRegister) |
| { |
| Int4 condition = As<Int4>(p0[predicateRegister.swizzle & 0x3]); |
| |
| if(predicateRegister.modifier == Shader::MODIFIER_NOT) |
| { |
| condition = ~condition; |
| } |
| |
| IF(condition); |
| } |
| |
| void PixelProgram::IFC(Vector4f &src0, Vector4f &src1, Control control) |
| { |
| Int4 condition; |
| |
| switch(control) |
| { |
| case Shader::CONTROL_GT: condition = CmpNLE(src0.x, src1.x); break; |
| case Shader::CONTROL_EQ: condition = CmpEQ(src0.x, src1.x); break; |
| case Shader::CONTROL_GE: condition = CmpNLT(src0.x, src1.x); break; |
| case Shader::CONTROL_LT: condition = CmpLT(src0.x, src1.x); break; |
| case Shader::CONTROL_NE: condition = CmpNEQ(src0.x, src1.x); break; |
| case Shader::CONTROL_LE: condition = CmpLE(src0.x, src1.x); break; |
| default: |
| ASSERT(false); |
| } |
| |
| IF(condition); |
| } |
| |
| void PixelProgram::IF(Int4 &condition) |
| { |
| condition &= enableStack[enableIndex]; |
| |
| enableIndex++; |
| enableStack[enableIndex] = condition; |
| |
| BasicBlock *trueBlock = Nucleus::createBasicBlock(); |
| BasicBlock *falseBlock = Nucleus::createBasicBlock(); |
| |
| Bool notAllFalse = SignMask(condition) != 0; |
| |
| branch(notAllFalse, trueBlock, falseBlock); |
| |
| isConditionalIf[ifDepth] = true; |
| ifFalseBlock[ifDepth] = falseBlock; |
| |
| ifDepth++; |
| } |
| |
| void PixelProgram::LABEL(int labelIndex) |
| { |
| if(!labelBlock[labelIndex]) |
| { |
| labelBlock[labelIndex] = Nucleus::createBasicBlock(); |
| } |
| |
| Nucleus::setInsertBlock(labelBlock[labelIndex]); |
| currentLabel = labelIndex; |
| } |
| |
| void PixelProgram::LOOP(const Src &integerRegister) |
| { |
| loopDepth++; |
| |
| iteration[loopDepth] = *Pointer<Int>(data + OFFSET(DrawData, ps.i[integerRegister.index][0])); |
| aL[loopDepth] = *Pointer<Int>(data + OFFSET(DrawData, ps.i[integerRegister.index][1])); |
| increment[loopDepth] = *Pointer<Int>(data + OFFSET(DrawData, ps.i[integerRegister.index][2])); |
| |
| // If(increment[loopDepth] == 0) |
| // { |
| // increment[loopDepth] = 1; |
| // } |
| |
| BasicBlock *loopBlock = Nucleus::createBasicBlock(); |
| BasicBlock *testBlock = Nucleus::createBasicBlock(); |
| BasicBlock *endBlock = Nucleus::createBasicBlock(); |
| |
| loopRepTestBlock[loopRepDepth] = testBlock; |
| loopRepEndBlock[loopRepDepth] = endBlock; |
| |
| // FIXME: jump(testBlock) |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(testBlock); |
| |
| branch(iteration[loopDepth] > 0, loopBlock, endBlock); |
| Nucleus::setInsertBlock(loopBlock); |
| |
| iteration[loopDepth] = iteration[loopDepth] - 1; // FIXME: -- |
| |
| loopRepDepth++; |
| } |
| |
| void PixelProgram::REP(const Src &integerRegister) |
| { |
| loopDepth++; |
| |
| iteration[loopDepth] = *Pointer<Int>(data + OFFSET(DrawData, ps.i[integerRegister.index][0])); |
| aL[loopDepth] = aL[loopDepth - 1]; |
| |
| BasicBlock *loopBlock = Nucleus::createBasicBlock(); |
| BasicBlock *testBlock = Nucleus::createBasicBlock(); |
| BasicBlock *endBlock = Nucleus::createBasicBlock(); |
| |
| loopRepTestBlock[loopRepDepth] = testBlock; |
| loopRepEndBlock[loopRepDepth] = endBlock; |
| |
| // FIXME: jump(testBlock) |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(testBlock); |
| |
| branch(iteration[loopDepth] > 0, loopBlock, endBlock); |
| Nucleus::setInsertBlock(loopBlock); |
| |
| iteration[loopDepth] = iteration[loopDepth] - 1; // FIXME: -- |
| |
| loopRepDepth++; |
| } |
| |
| void PixelProgram::WHILE(const Src &temporaryRegister) |
| { |
| enableIndex++; |
| |
| BasicBlock *loopBlock = Nucleus::createBasicBlock(); |
| BasicBlock *testBlock = Nucleus::createBasicBlock(); |
| BasicBlock *endBlock = Nucleus::createBasicBlock(); |
| |
| loopRepTestBlock[loopRepDepth] = testBlock; |
| loopRepEndBlock[loopRepDepth] = endBlock; |
| |
| Int4 restoreBreak = enableBreak; |
| Int4 restoreContinue = enableContinue; |
| |
| // TODO: jump(testBlock) |
| Nucleus::createBr(testBlock); |
| Nucleus::setInsertBlock(testBlock); |
| enableContinue = restoreContinue; |
| |
| const Vector4f &src = fetchRegister(temporaryRegister); |
| Int4 condition = As<Int4>(src.x); |
| condition &= enableStack[enableIndex - 1]; |
| if(shader->containsLeaveInstruction()) condition &= enableLeave; |
| if(shader->containsBreakInstruction()) condition &= enableBreak; |
| enableStack[enableIndex] = condition; |
| |
| Bool notAllFalse = SignMask(condition) != 0; |
| branch(notAllFalse, loopBlock, endBlock); |
| |
| Nucleus::setInsertBlock(endBlock); |
| enableBreak = restoreBreak; |
| |
| Nucleus::setInsertBlock(loopBlock); |
| |
| loopRepDepth++; |
| } |
| |
| void PixelProgram::SWITCH() |
| { |
| BasicBlock *endBlock = Nucleus::createBasicBlock(); |
| |
| loopRepTestBlock[loopRepDepth] = nullptr; |
| loopRepEndBlock[loopRepDepth] = endBlock; |
| |
| Int4 restoreBreak = enableBreak; |
| |
| BasicBlock *currentBlock = Nucleus::getInsertBlock(); |
| |
| Nucleus::setInsertBlock(endBlock); |
| enableBreak = restoreBreak; |
| |
| Nucleus::setInsertBlock(currentBlock); |
| |
| loopRepDepth++; |
| } |
| |
| void PixelProgram::RET() |
| { |
| if(currentLabel == -1) |
| { |
| returnBlock = Nucleus::createBasicBlock(); |
| Nucleus::createBr(returnBlock); |
| } |
| else |
| { |
| BasicBlock *unreachableBlock = Nucleus::createBasicBlock(); |
| |
| if(callRetBlock[currentLabel].size() > 1) // Pop the return destination from the call stack |
| { |
| // FIXME: Encapsulate |
| UInt index = callStack[--stackIndex]; |
| |
| Value *value = index.loadValue(); |
| SwitchCases *switchCases = Nucleus::createSwitch(value, unreachableBlock, (int)callRetBlock[currentLabel].size()); |
| |
| for(unsigned int i = 0; i < callRetBlock[currentLabel].size(); i++) |
| { |
| Nucleus::addSwitchCase(switchCases, i, callRetBlock[currentLabel][i]); |
| } |
| } |
| else if(callRetBlock[currentLabel].size() == 1) // Jump directly to the unique return destination |
| { |
| Nucleus::createBr(callRetBlock[currentLabel][0]); |
| } |
| else // Function isn't called |
| { |
| Nucleus::createBr(unreachableBlock); |
| } |
| |
| Nucleus::setInsertBlock(unreachableBlock); |
| Nucleus::createUnreachable(); |
| } |
| } |
| |
| void PixelProgram::LEAVE() |
| { |
| enableLeave = enableLeave & ~enableStack[enableIndex]; |
| |
| // FIXME: Return from function if all instances left |
| // FIXME: Use enableLeave in other control-flow constructs |
| } |
| } |
