diff --git a/tools/drawergen/CMakeLists.txt b/tools/drawergen/CMakeLists.txt index d330e799a1..12e004e28a 100644 --- a/tools/drawergen/CMakeLists.txt +++ b/tools/drawergen/CMakeLists.txt @@ -141,6 +141,7 @@ set (SOURCES fixedfunction/drawcolumncodegen.cpp fixedfunction/drawskycodegen.cpp fixedfunction/drawtrianglecodegen.cpp + fixedfunction/setuptrianglecodegen.cpp ) enable_precompiled_headers( precomp.h SOURCES ) diff --git a/tools/drawergen/fixedfunction/drawtrianglecodegen.cpp b/tools/drawergen/fixedfunction/drawtrianglecodegen.cpp index 8e4ed803f7..01deb1ce22 100644 --- a/tools/drawergen/fixedfunction/drawtrianglecodegen.cpp +++ b/tools/drawergen/fixedfunction/drawtrianglecodegen.cpp @@ -354,6 +354,9 @@ SSAVec4i DrawTriangleCodegen::Sample32(SSAInt *varying) linear = (p00 * (a * b) + p01 * (inv_a * b) + p10 * (a * inv_b) + p11 * (inv_a * inv_b) + 127) >> 8; } + // // Min filter = linear, Mag filter = nearest: + // AffineLinear = (gradVaryingX[0] / AffineW) > SSAFloat(1.0f) || (gradVaryingX[0] / AffineW) < SSAFloat(-1.0f); + return AffineLinear.select(linear, nearest); */ } @@ -664,772 +667,3 @@ SSAFloat DrawTriangleCodegen::FindGradientY(SSAFloat x0, SSAFloat y0, SSAFloat x SSAFloat bottom = (x0 - x2) * (y1 - y2) - (x1 - x2) * (y0 - y2); return top / bottom; } - - -#if 0 - -void DrawTriangleCodegen::Generate(TriDrawVariant variant, TriBlendMode blendmode, bool truecolor, SSAValue args, SSAValue thread_data) -{ - this->variant = variant; - this->blendmode = blendmode; - this->truecolor = truecolor; - LoadArgs(args, thread_data); - Setup(); - LoopBlockY(); -} - -SSAInt DrawTriangleCodegen::FloatTo28_4(SSAFloat v) -{ - // SSAInt(SSAFloat::round(16.0f * v), false); - SSAInt a = SSAInt(v * 32.0f, false); - return (a + (a.ashr(31) | SSAInt(1))).ashr(1); -} - -void DrawTriangleCodegen::Setup() -{ - int pixelsize = truecolor ? 4 : 1; - - // 28.4 fixed-point coordinates - Y1 = FloatTo28_4(v1.y); - Y2 = FloatTo28_4(v2.y); - Y3 = FloatTo28_4(v3.y); - - X1 = FloatTo28_4(v1.x); - X2 = FloatTo28_4(v2.x); - X3 = FloatTo28_4(v3.x); - - // Deltas - DX12 = X1 - X2; - DX23 = X2 - X3; - DX31 = X3 - X1; - - DY12 = Y1 - Y2; - DY23 = Y2 - Y3; - DY31 = Y3 - Y1; - - // Fixed-point deltas - FDX12 = DX12 << 4; - FDX23 = DX23 << 4; - FDX31 = DX31 << 4; - - FDY12 = DY12 << 4; - FDY23 = DY23 << 4; - FDY31 = DY31 << 4; - - // Bounding rectangle - minx = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(X1, X2), X3) + 0xF).ashr(4), SSAInt(0)); - maxx = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(X1, X2), X3) + 0xF).ashr(4), clipright - 1); - miny = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(Y1, Y2), Y3) + 0xF).ashr(4), SSAInt(0)); - maxy = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(Y1, Y2), Y3) + 0xF).ashr(4), clipbottom - 1); - - SSAIfBlock if0; - if0.if_block(minx >= maxx || miny >= maxy); - if0.end_retvoid(); - - // Start in corner of 8x8 block - minx = minx & ~(q - 1); - miny = miny & ~(q - 1); - - dest = dest[miny * pitch * pixelsize]; - subsectorGBuffer = subsectorGBuffer[miny * pitch]; - - // Half-edge constants - C1 = DY12 * X1 - DX12 * Y1; - C2 = DY23 * X2 - DX23 * Y2; - C3 = DY31 * X3 - DX31 * Y3; - - // Correct for fill convention - SSAIfBlock if1; - if1.if_block(DY12 < SSAInt(0) || (DY12 == SSAInt(0) && DX12 > SSAInt(0))); - stack_C1.store(C1 + 1); - if1.else_block(); - stack_C1.store(C1); - if1.end_block(); - C1 = stack_C1.load(); - SSAIfBlock if2; - if2.if_block(DY23 < SSAInt(0) || (DY23 == SSAInt(0) && DX23 > SSAInt(0))); - stack_C2.store(C2 + 1); - if2.else_block(); - stack_C2.store(C2); - if2.end_block(); - C2 = stack_C2.load(); - SSAIfBlock if3; - if3.if_block(DY31 < SSAInt(0) || (DY31 == SSAInt(0) && DX31 > SSAInt(0))); - stack_C3.store(C3 + 1); - if3.else_block(); - stack_C3.store(C3); - if3.end_block(); - C3 = stack_C3.load(); - - // Gradients - v1.x = SSAFloat(X1) * 0.0625f; - v2.x = SSAFloat(X2) * 0.0625f; - v3.x = SSAFloat(X3) * 0.0625f; - v1.y = SSAFloat(Y1) * 0.0625f; - v2.y = SSAFloat(Y2) * 0.0625f; - v3.y = SSAFloat(Y3) * 0.0625f; - gradWX = gradx(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w); - gradWY = grady(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w); - stack_posy_w.store(v1.w + gradWX * (SSAFloat(minx) - v1.x) + gradWY * (SSAFloat(miny) - v1.y)); - for (int i = 0; i < TriVertex::NumVarying; i++) - { - gradVaryingX[i] = gradx(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w); - gradVaryingY[i] = grady(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.varying[i] * v1.w, v2.varying[i] * v2.w, v3.varying[i] * v3.w); - stack_posy_varying[i].store(v1.varying[i] * v1.w + gradVaryingX[i] * (SSAFloat(minx) - v1.x) + gradVaryingY[i] * (SSAFloat(miny) - v1.y)); - } - - gradWX = gradWX * (float)q; - for (int i = 0; i < TriVertex::NumVarying; i++) - gradVaryingX[i] = gradVaryingX[i] * (float)q; - - shade = 64.0f - (SSAFloat(light * 255 / 256) + 12.0f) * 32.0f / 128.0f; -} - -SSAFloat DrawTriangleCodegen::gradx(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2) -{ - SSAFloat top = (c1 - c2) * (y0 - y2) - (c0 - c2) * (y1 - y2); - SSAFloat bottom = (x1 - x2) * (y0 - y2) - (x0 - x2) * (y1 - y2); - return top / bottom; -} - -SSAFloat DrawTriangleCodegen::grady(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2) -{ - SSAFloat top = (c1 - c2) * (x0 - x2) - (c0 - c2) * (x1 - x2); - SSAFloat bottom = (x0 - x2) * (y1 - y2) - (x1 - x2) * (y0 - y2); - return top / bottom; -} - -void DrawTriangleCodegen::LoopBlockY() -{ - int pixelsize = truecolor ? 4 : 1; - - SSAInt blocks_skipped = skipped_by_thread(miny / q, thread); - stack_y.store(miny + blocks_skipped * q); - stack_dest.store(dest[blocks_skipped * q * pitch * pixelsize]); - stack_subsectorGBuffer.store(subsectorGBuffer[blocks_skipped * q * pitch]); - stack_posy_w.store(stack_posy_w.load() + gradWY * (q * blocks_skipped)); - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_posy_varying[i].store(stack_posy_varying[i].load() + gradVaryingY[i] * (blocks_skipped * q)); - - SSAForBlock loop; - y = stack_y.load(); - dest = stack_dest.load(); - subsectorGBuffer = stack_subsectorGBuffer.load(); - posy_w = stack_posy_w.load(); - for (int i = 0; i < TriVertex::NumVarying; i++) - posy_varying[i] = stack_posy_varying[i].load(); - loop.loop_block(y < maxy, 0); - { - LoopBlockX(); - - stack_posy_w.store(posy_w + gradWY * (q * thread.num_cores)); - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_posy_varying[i].store(posy_varying[i] + gradVaryingY[i] * (q * thread.num_cores)); - - stack_dest.store(dest[q * pitch * pixelsize * thread.num_cores]); - stack_subsectorGBuffer.store(subsectorGBuffer[q * pitch * thread.num_cores]); - stack_y.store(y + thread.num_cores * q); - } - loop.end_block(); -} - -void DrawTriangleCodegen::LoopBlockX() -{ - stack_x.store(minx); - stack_posx_w.store(posy_w); - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_posx_varying[i].store(posy_varying[i]); - - SSAForBlock loop; - x = stack_x.load(); - posx_w = stack_posx_w.load(); - for (int i = 0; i < TriVertex::NumVarying; i++) - posx_varying[i] = stack_posx_varying[i].load(); - loop.loop_block(x < maxx, 0); - { - // Corners of block - x0 = x << 4; - x1 = (x + q - 1) << 4; - y0 = y << 4; - y1 = (y + q - 1) << 4; - - // Evaluate half-space functions - SSABool a00 = C1 + DX12 * y0 - DY12 * x0 > SSAInt(0); - SSABool a10 = C1 + DX12 * y0 - DY12 * x1 > SSAInt(0); - SSABool a01 = C1 + DX12 * y1 - DY12 * x0 > SSAInt(0); - SSABool a11 = C1 + DX12 * y1 - DY12 * x1 > SSAInt(0); - - SSAInt a = (a00.zext_int() << 0) | (a10.zext_int() << 1) | (a01.zext_int() << 2) | (a11.zext_int() << 3); - - SSABool b00 = C2 + DX23 * y0 - DY23 * x0 > SSAInt(0); - SSABool b10 = C2 + DX23 * y0 - DY23 * x1 > SSAInt(0); - SSABool b01 = C2 + DX23 * y1 - DY23 * x0 > SSAInt(0); - SSABool b11 = C2 + DX23 * y1 - DY23 * x1 > SSAInt(0); - SSAInt b = (b00.zext_int() << 0) | (b10.zext_int() << 1) | (b01.zext_int() << 2) | (b11.zext_int() << 3); - - SSABool c00 = C3 + DX31 * y0 - DY31 * x0 > SSAInt(0); - SSABool c10 = C3 + DX31 * y0 - DY31 * x1 > SSAInt(0); - SSABool c01 = C3 + DX31 * y1 - DY31 * x0 > SSAInt(0); - SSABool c11 = C3 + DX31 * y1 - DY31 * x1 > SSAInt(0); - SSAInt c = (c00.zext_int() << 0) | (c10.zext_int() << 1) | (c01.zext_int() << 2) | (c11.zext_int() << 3); - - // Skip block when outside an edge - SSABool process_block = !(a == SSAInt(0) || b == SSAInt(0) || c == SSAInt(0)); - - SetStencilBlock(x / 8 + y / 8 * stencilPitch); - - // Stencil test the whole block, if possible - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector || variant == TriDrawVariant::StencilClose) - { - process_block = process_block && (!StencilIsSingleValue() || SSABool::compare_uge(StencilGetSingle(), stencilTestValue)); - } - else - { - process_block = process_block && (!StencilIsSingleValue() || StencilGetSingle() == stencilTestValue); - } - - SSAIfBlock branch; - branch.if_block(process_block); - - // Check if block needs clipping - SSABool clipneeded = (x + q) > clipright || (y + q) > clipbottom; - - SSAFloat globVis = SSAFloat(1706.0f); - SSAFloat vis = globVis * posx_w; - SSAInt lightscale = SSAInt(SSAFloat::clamp((shade - SSAFloat::MIN(SSAFloat(24.0f), vis)) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f)) * 256.0f, true); - SSAInt diminishedlight = 256 - lightscale; - - if (!truecolor) - { - SSAInt diminishedindex = lightscale / 8; - SSAInt lightindex = SSAInt::MIN((256 - light) * 32 / 256, SSAInt(31)); - SSAInt colormapindex = (!is_fixed_light).select(diminishedindex, lightindex); - currentcolormap = Colormaps[colormapindex << 8]; - } - else - { - currentlight = (!is_fixed_light).select(diminishedlight, light); - } - - SSABool covered = a == SSAInt(0xF) && b == SSAInt(0xF) && c == SSAInt(0xF) && !clipneeded && StencilIsSingleValue(); - - // Accept whole block when totally covered - SSAIfBlock branch_covered; - branch_covered.if_block(covered); - { - LoopFullBlock(); - } - branch_covered.else_block(); - { - SSAIfBlock branch_covered_stencil; - branch_covered_stencil.if_block(StencilIsSingleValue()); - { - SSABool stenciltestpass; - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector || variant == TriDrawVariant::StencilClose) - { - stenciltestpass = SSABool::compare_uge(StencilGetSingle(), stencilTestValue); - } - else - { - stenciltestpass = StencilGetSingle() == stencilTestValue; - } - - SSAIfBlock branch_stenciltestpass; - branch_stenciltestpass.if_block(stenciltestpass); - { - LoopPartialBlock(true); - } - branch_stenciltestpass.end_block(); - } - branch_covered_stencil.else_block(); - { - LoopPartialBlock(false); - } - branch_covered_stencil.end_block(); - } - branch_covered.end_block(); - - branch.end_block(); - - stack_posx_w.store(posx_w + gradWX); - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_posx_varying[i].store(posx_varying[i] + gradVaryingX[i]); - - stack_x.store(x + q); - } - loop.end_block(); -} - -void DrawTriangleCodegen::SetupAffineBlock() -{ - SSAFloat rcpW0 = (float)0x01000000 / AffineW; - SSAFloat rcpW1 = (float)0x01000000 / (AffineW + gradWX); - - for (int i = 0; i < TriVertex::NumVarying; i++) - { - AffineVaryingPosX[i] = SSAInt(AffineVaryingPosY[i] * rcpW0, false); - AffineVaryingStepX[i] = (SSAInt((AffineVaryingPosY[i] + gradVaryingX[i]) * rcpW1, false) - AffineVaryingPosX[i]) / q; - } - - // Min filter = linear, Mag filter = nearest: - AffineLinear = (gradVaryingX[0] / AffineW) > SSAFloat(1.0f) || (gradVaryingX[0] / AffineW) < SSAFloat(-1.0f); -} - -void DrawTriangleCodegen::LoopFullBlock() -{ - if (variant == TriDrawVariant::Stencil) - { - StencilClear(stencilWriteValue); - } - else if (variant == TriDrawVariant::StencilClose) - { - StencilClear(stencilWriteValue); - for (int iy = 0; iy < q; iy++) - { - SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch]; - for (int ix = 0; ix < q; ix += 4) - { - subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth)); - } - } - } - else - { - int pixelsize = truecolor ? 4 : 1; - - AffineW = posx_w; - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosY[i] = posx_varying[i]; - - for (int iy = 0; iy < q; iy++) - { - SSAUBytePtr buffer = dest[(x + iy * pitch) * pixelsize]; - SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch]; - - SetupAffineBlock(); - - for (int ix = 0; ix < q; ix += 4) - { - SSAUBytePtr buf = buffer[ix * pixelsize]; - if (truecolor) - { - SSAVec16ub pixels16 = buf.load_unaligned_vec16ub(false); - SSAVec8s pixels8hi = SSAVec8s::extendhi(pixels16); - SSAVec8s pixels8lo = SSAVec8s::extendlo(pixels16); - SSAVec4i pixels[4] = - { - SSAVec4i::extendlo(pixels8lo), - SSAVec4i::extendhi(pixels8lo), - SSAVec4i::extendlo(pixels8hi), - SSAVec4i::extendhi(pixels8hi) - }; - - for (int sse = 0; sse < 4; sse++) - { - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) - { - SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth; - pixels[sse] = subsectorTest.select(ProcessPixel32(pixels[sse], AffineVaryingPosX), pixels[sse]); - } - else - { - pixels[sse] = ProcessPixel32(pixels[sse], AffineVaryingPosX); - } - - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; - } - - buf.store_unaligned_vec16ub(SSAVec16ub(SSAVec8s(pixels[0], pixels[1]), SSAVec8s(pixels[2], pixels[3]))); - } - else - { - SSAVec4i pixelsvec = buf.load_vec4ub(false); - SSAInt pixels[4] = - { - pixelsvec[0], - pixelsvec[1], - pixelsvec[2], - pixelsvec[3] - }; - - for (int sse = 0; sse < 4; sse++) - { - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) - { - SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth; - pixels[sse] = subsectorTest.select(ProcessPixel8(pixels[sse], AffineVaryingPosX), pixels[sse]); - } - else - { - pixels[sse] = ProcessPixel8(pixels[sse], AffineVaryingPosX); - } - - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; - } - - buf.store_vec4ub(SSAVec4i(pixels[0], pixels[1], pixels[2], pixels[3])); - } - - if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector) - subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth)); - } - - AffineW = AffineW + gradWY; - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosY[i] = AffineVaryingPosY[i] + gradVaryingY[i]; - } - } -} - -void DrawTriangleCodegen::LoopPartialBlock(bool isSingleStencilValue) -{ - int pixelsize = truecolor ? 4 : 1; - - if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) - { - if (isSingleStencilValue) - { - SSAInt stencilMask = StencilBlockMask.load(false); - SSAUByte val0 = stencilMask.trunc_ubyte(); - for (int i = 0; i < 8 * 8; i++) - StencilBlock[i].store(val0); - StencilBlockMask.store(SSAInt(0)); - } - - SSAUByte lastStencilValue = StencilBlock[0].load(false); - stack_stencilblock_restored.store(SSABool(true)); - stack_stencilblock_lastval.store(lastStencilValue); - } - - stack_CY1.store(C1 + DX12 * y0 - DY12 * x0); - stack_CY2.store(C2 + DX23 * y0 - DY23 * x0); - stack_CY3.store(C3 + DX31 * y0 - DY31 * x0); - stack_iy.store(SSAInt(0)); - stack_buffer.store(dest[x * pixelsize]); - stack_subsectorbuffer.store(subsectorGBuffer[x]); - stack_AffineW.store(posx_w); - for (int i = 0; i < TriVertex::NumVarying; i++) - { - stack_AffineVaryingPosY[i].store(posx_varying[i]); - } - - SSAForBlock loopy; - SSAInt iy = stack_iy.load(); - SSAUBytePtr buffer = stack_buffer.load(); - SSAIntPtr subsectorbuffer = stack_subsectorbuffer.load(); - SSAInt CY1 = stack_CY1.load(); - SSAInt CY2 = stack_CY2.load(); - SSAInt CY3 = stack_CY3.load(); - AffineW = stack_AffineW.load(); - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosY[i] = stack_AffineVaryingPosY[i].load(); - loopy.loop_block(iy < SSAInt(q), q); - { - SetupAffineBlock(); - - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i]); - - stack_CX1.store(CY1); - stack_CX2.store(CY2); - stack_CX3.store(CY3); - stack_ix.store(SSAInt(0)); - - SSAForBlock loopx; - SSABool stencilblock_restored; - SSAUByte lastStencilValue; - if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) - { - stencilblock_restored = stack_stencilblock_restored.load(); - lastStencilValue = stack_stencilblock_lastval.load(); - } - SSAInt ix = stack_ix.load(); - SSAInt CX1 = stack_CX1.load(); - SSAInt CX2 = stack_CX2.load(); - SSAInt CX3 = stack_CX3.load(); - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosX[i] = stack_AffineVaryingPosX[i].load(); - loopx.loop_block(ix < SSAInt(q), q); - { - SSABool visible = (ix + x < clipright) && (iy + y < clipbottom); - SSABool covered = CX1 > SSAInt(0) && CX2 > SSAInt(0) && CX3 > SSAInt(0) && visible; - - if (!isSingleStencilValue) - { - SSAUByte stencilValue = StencilBlock[ix + iy * 8].load(false); - - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) - { - covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue) && subsectorbuffer[ix].load(true) >= subsectorDepth; - } - else if (variant == TriDrawVariant::StencilClose) - { - covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue); - } - else - { - covered = covered && stencilValue == stencilTestValue; - } - } - else if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) - { - covered = covered && subsectorbuffer[ix].load(true) >= subsectorDepth; - } - - SSAIfBlock branch; - branch.if_block(covered); - { - if (variant == TriDrawVariant::Stencil) - { - StencilBlock[ix + iy * 8].store(stencilWriteValue); - } - else if (variant == TriDrawVariant::StencilClose) - { - StencilBlock[ix + iy * 8].store(stencilWriteValue); - subsectorbuffer[ix].store(subsectorDepth); - } - else - { - SSAUBytePtr buf = buffer[ix * pixelsize]; - - if (truecolor) - { - SSAVec4i bg = buf.load_vec4ub(false); - buf.store_vec4ub(ProcessPixel32(bg, AffineVaryingPosX)); - } - else - { - SSAUByte bg = buf.load(false); - buf.store(ProcessPixel8(bg.zext_int(), AffineVaryingPosX).trunc_ubyte()); - } - - if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector) - subsectorbuffer[ix].store(subsectorDepth); - } - } - branch.end_block(); - - if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) - { - SSAUByte newStencilValue = StencilBlock[ix + iy * 8].load(false); - stack_stencilblock_restored.store(stencilblock_restored && newStencilValue == lastStencilValue); - stack_stencilblock_lastval.store(newStencilValue); - } - - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i] + AffineVaryingStepX[i]); - - stack_CX1.store(CX1 - FDY12); - stack_CX2.store(CX2 - FDY23); - stack_CX3.store(CX3 - FDY31); - stack_ix.store(ix + 1); - } - loopx.end_block(); - - stack_AffineW.store(AffineW + gradWY); - for (int i = 0; i < TriVertex::NumVarying; i++) - stack_AffineVaryingPosY[i].store(AffineVaryingPosY[i] + gradVaryingY[i]); - stack_CY1.store(CY1 + FDX12); - stack_CY2.store(CY2 + FDX23); - stack_CY3.store(CY3 + FDX31); - stack_buffer.store(buffer[pitch * pixelsize]); - stack_subsectorbuffer.store(subsectorbuffer[pitch]); - stack_iy.store(iy + 1); - } - loopy.end_block(); - - if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) - { - SSAIfBlock branch; - SSABool restored = stack_stencilblock_restored.load(); - branch.if_block(restored); - { - SSAUByte lastStencilValue = stack_stencilblock_lastval.load(); - StencilClear(lastStencilValue); - } - branch.end_block(); - } -} - -#if 0 -void DrawTriangleCodegen::LoopMaskedStoreBlock() -{ - if (variant == TriDrawVariant::Stencil) - { - } - else if (variant == TriDrawVariant::StencilClose) - { - } - else - { - int pixelsize = truecolor ? 4 : 1; - - AffineW = posx_w; - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosY[i] = posx_varying[i]; - - SSAInt CY1 = C1 + DX12 * y0 - DY12 * x0; - SSAInt CY2 = C2 + DX23 * y0 - DY23 * x0; - SSAInt CY3 = C3 + DX31 * y0 - DY31 * x0; - - for (int iy = 0; iy < q; iy++) - { - SSAUBytePtr buffer = dest[(x + iy * pitch) * pixelsize]; - SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch]; - - SetupAffineBlock(); - - SSAInt CX1 = CY1; - SSAInt CX2 = CY2; - SSAInt CX3 = CY3; - - for (int ix = 0; ix < q; ix += 4) - { - SSABool covered[4]; - for (int maskindex = 0; maskindex < 4; maskindex++) - { - covered[maskindex] = CX1 > SSAInt(0) && CX2 > SSAInt(0) && CX3 > SSAInt(0); - - if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) - { - auto xx = SSAInt(ix + maskindex); - auto yy = SSAInt(iy); - covered[maskindex] = covered[maskindex] && SSABool::compare_uge(StencilGet(xx, yy), stencilTestValue) && subsectorbuffer[ix + maskindex].load(true) >= subsectorDepth; - } - else if (variant == TriDrawVariant::StencilClose) - { - auto xx = SSAInt(ix + maskindex); - auto yy = SSAInt(iy); - covered[maskindex] = covered[maskindex] && SSABool::compare_uge(StencilGet(xx, yy), stencilTestValue); - } - else - { - auto xx = SSAInt(ix + maskindex); - auto yy = SSAInt(iy); - covered[maskindex] = covered[maskindex] && StencilGet(xx, yy) == stencilTestValue; - } - - CX1 = CX1 - FDY12; - CX2 = CX2 - FDY23; - CX3 = CX3 - FDY31; - } - - SSAUBytePtr buf = buffer[ix * pixelsize]; - if (truecolor) - { - SSAVec16ub pixels16 = buf.load_unaligned_vec16ub(false); - SSAVec8s pixels8hi = SSAVec8s::extendhi(pixels16); - SSAVec8s pixels8lo = SSAVec8s::extendlo(pixels16); - SSAVec4i pixels[4] = - { - SSAVec4i::extendlo(pixels8lo), - SSAVec4i::extendhi(pixels8lo), - SSAVec4i::extendlo(pixels8hi), - SSAVec4i::extendhi(pixels8hi) - }; - - for (int sse = 0; sse < 4; sse++) - { - pixels[sse] = ProcessPixel32(pixels[sse], AffineVaryingPosX); - - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; - } - - buf.store_masked_vec16ub(SSAVec16ub(SSAVec8s(pixels[0], pixels[1]), SSAVec8s(pixels[2], pixels[3])), covered); - } - else - { - SSAVec4i pixelsvec = buf.load_vec4ub(false); - SSAInt pixels[4] = - { - pixelsvec[0], - pixelsvec[1], - pixelsvec[2], - pixelsvec[3] - }; - - for (int sse = 0; sse < 4; sse++) - { - pixels[sse] = ProcessPixel8(pixels[sse], AffineVaryingPosX); - - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; - } - - buf.store_masked_vec4ub(SSAVec4i(pixels[0], pixels[1], pixels[2], pixels[3]), covered); - } - - if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector) - subsectorbuffer[ix].store_masked_vec4i(SSAVec4i(subsectorDepth), covered); - } - - AffineW = AffineW + gradWY; - for (int i = 0; i < TriVertex::NumVarying; i++) - AffineVaryingPosY[i] = AffineVaryingPosY[i] + gradVaryingY[i]; - - CY1 = CY1 + FDX12; - CY2 = CY2 + FDX23; - CY3 = CY3 + FDX31; - } - } -} -#endif - -void DrawTriangleCodegen::SetStencilBlock(SSAInt block) -{ - StencilBlock = stencilValues[block * 64]; - StencilBlockMask = stencilMasks[block]; -} - -SSAUByte DrawTriangleCodegen::StencilGetSingle() -{ - return StencilBlockMask.load(false).trunc_ubyte(); -} - -void DrawTriangleCodegen::StencilClear(SSAUByte value) -{ - StencilBlockMask.store(SSAInt(0xffffff00) | value.zext_int()); -} - -SSABool DrawTriangleCodegen::StencilIsSingleValue() -{ - return (StencilBlockMask.load(false) & SSAInt(0xffffff00)) == SSAInt(0xffffff00); -} - -void DrawTriangleCodegen::LoadArgs(SSAValue args, SSAValue thread_data) -{ - dest = args[0][0].load(true); - pitch = args[0][1].load(true); - v1 = LoadTriVertex(args[0][2].load(true)); - v2 = LoadTriVertex(args[0][3].load(true)); - v3 = LoadTriVertex(args[0][4].load(true)); - clipright = args[0][6].load(true); - clipbottom = args[0][8].load(true); - texturePixels = args[0][9].load(true); - textureWidth = args[0][10].load(true); - textureHeight = args[0][11].load(true); - translation = args[0][12].load(true); - LoadUniforms(args[0][13].load(true)); - stencilValues = args[0][14].load(true); - stencilMasks = args[0][15].load(true); - stencilPitch = args[0][16].load(true); - stencilTestValue = args[0][17].load(true); - stencilWriteValue = args[0][18].load(true); - subsectorGBuffer = args[0][19].load(true); - if (!truecolor) - { - Colormaps = args[0][20].load(true); - RGB32k = args[0][21].load(true); - BaseColors = args[0][22].load(true); - } - - thread.core = thread_data[0][0].load(true); - thread.num_cores = thread_data[0][1].load(true); - thread.pass_start_y = SSAInt(0); - thread.pass_end_y = SSAInt(32000); -} - -#endif diff --git a/tools/drawergen/fixedfunction/drawtrianglecodegen.h b/tools/drawergen/fixedfunction/drawtrianglecodegen.h index 8197656fa2..69783e8454 100644 --- a/tools/drawergen/fixedfunction/drawtrianglecodegen.h +++ b/tools/drawergen/fixedfunction/drawtrianglecodegen.h @@ -109,128 +109,3 @@ private: bool colorfill; int pixelsize; }; - -#if 0 - -class DrawTriangleCodegen : public DrawerCodegen -{ -public: - void Generate(TriDrawVariant variant, TriBlendMode blendmode, bool truecolor, SSAValue args, SSAValue thread_data); - -private: - void LoadArgs(SSAValue args, SSAValue thread_data); - SSATriVertex LoadTriVertex(SSAValue v); - void LoadUniforms(SSAValue uniforms); - void Setup(); - SSAInt FloatTo28_4(SSAFloat v); - void LoopBlockY(); - void LoopBlockX(); - void LoopFullBlock(); - void LoopPartialBlock(bool isSingleStencilValue); - void SetupAffineBlock(); - - SSAVec4i ProcessPixel32(SSAVec4i bg, SSAInt *varying); - SSAInt ProcessPixel8(SSAInt bg, SSAInt *varying); - - SSAVec4i TranslateSample32(SSAInt *varying); - SSAInt TranslateSample8(SSAInt *varying); - SSAVec4i Sample32(SSAInt *varying); - SSAInt Sample8(SSAInt *varying); - SSAInt Shade8(SSAInt c); - SSAVec4i ToBgra(SSAInt index); - SSAInt ToPal8(SSAVec4i c); - - SSAVec4i FadeOut(SSAInt frac, SSAVec4i color); - - void SetStencilBlock(SSAInt block); - void StencilClear(SSAUByte value); - SSAUByte StencilGetSingle(); - SSABool StencilIsSingleValue(); - - SSAFloat gradx(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2); - SSAFloat grady(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2); - - TriDrawVariant variant; - TriBlendMode blendmode; - bool truecolor; - - SSAStack stack_C1, stack_C2, stack_C3; - SSAStack stack_y; - SSAStack stack_dest; - SSAStack stack_x; - SSAStack stack_buffer; - SSAStack stack_iy, stack_ix; - SSAStack stack_CY1, stack_CY2, stack_CY3; - SSAStack stack_CX1, stack_CX2, stack_CX3; - SSAStack stack_posy_w, stack_posy_varying[TriVertex::NumVarying]; - SSAStack stack_posx_w, stack_posx_varying[TriVertex::NumVarying]; - SSAStack stack_AffineW; - SSAStack stack_AffineVaryingPosY[TriVertex::NumVarying]; - SSAStack stack_AffineVaryingPosX[TriVertex::NumVarying]; - SSAStack stack_stencilblock_restored; - SSAStack stack_stencilblock_lastval; - - SSAUBytePtr dest; - SSAInt pitch; - SSATriVertex v1; - SSATriVertex v2; - SSATriVertex v3; - SSAInt clipright; - SSAInt clipbottom; - SSAUBytePtr texturePixels; - SSAInt textureWidth; - SSAInt textureHeight; - SSAUBytePtr translation; - SSAInt color, srcalpha, destalpha; - - SSAInt light; - SSAShadeConstants shade_constants; - SSABool is_simple_shade; - SSABool is_nearest_filter; - SSABool is_fixed_light; - - SSAUBytePtr stencilValues; - SSAIntPtr stencilMasks; - SSAInt stencilPitch; - SSAUByte stencilTestValue; - SSAUByte stencilWriteValue; - - SSAUBytePtr Colormaps; - SSAUBytePtr RGB32k; - SSAUBytePtr BaseColors; - - SSAWorkerThread thread; - - // Block size, standard 8x8 (must be power of two) - const int q = 8; - - SSAInt Y1, Y2, Y3; - SSAInt X1, X2, X3; - SSAInt DX12, DX23, DX31; - SSAInt DY12, DY23, DY31; - SSAInt FDX12, FDX23, FDX31; - SSAInt FDY12, FDY23, FDY31; - SSAInt minx, maxx, miny, maxy; - SSAInt C1, C2, C3; - SSAFloat gradWX, gradWY; - SSAFloat gradVaryingX[TriVertex::NumVarying], gradVaryingY[TriVertex::NumVarying]; - SSAFloat shade; - - SSAInt x, y; - SSAInt x0, x1, y0, y1; - SSAInt currentlight; - SSAUBytePtr currentcolormap; - SSAFloat AffineW; - SSABool AffineLinear; - SSAFloat AffineVaryingPosY[TriVertex::NumVarying]; - SSAInt AffineVaryingPosX[TriVertex::NumVarying]; - SSAInt AffineVaryingStepX[TriVertex::NumVarying]; - - SSAFloat posy_w, posy_varying[TriVertex::NumVarying]; - SSAFloat posx_w, posx_varying[TriVertex::NumVarying]; - - SSAUBytePtr StencilBlock; - SSAIntPtr StencilBlockMask; -}; - -#endif diff --git a/tools/drawergen/fixedfunction/setuptrianglecodegen.cpp b/tools/drawergen/fixedfunction/setuptrianglecodegen.cpp new file mode 100644 index 0000000000..f29764d9eb --- /dev/null +++ b/tools/drawergen/fixedfunction/setuptrianglecodegen.cpp @@ -0,0 +1,573 @@ +/* +** DrawTriangle code generation +** Copyright (c) 2016 Magnus Norddahl +** +** This software is provided 'as-is', without any express or implied +** warranty. In no event will the authors be held liable for any damages +** arising from the use of this software. +** +** Permission is granted to anyone to use this software for any purpose, +** including commercial applications, and to alter it and redistribute it +** freely, subject to the following restrictions: +** +** 1. The origin of this software must not be misrepresented; you must not +** claim that you wrote the original software. If you use this software +** in a product, an acknowledgment in the product documentation would be +** appreciated but is not required. +** 2. Altered source versions must be plainly marked as such, and must not be +** misrepresented as being the original software. +** 3. This notice may not be removed or altered from any source distribution. +** +*/ + +#include "precomp.h" +#include "timestamp.h" +#include "fixedfunction/setuptrianglecodegen.h" +#include "ssa/ssa_function.h" +#include "ssa/ssa_scope.h" +#include "ssa/ssa_for_block.h" +#include "ssa/ssa_if_block.h" +#include "ssa/ssa_stack.h" +#include "ssa/ssa_function.h" +#include "ssa/ssa_struct_type.h" +#include "ssa/ssa_value.h" + +void SetupTriangleCodegen::Generate(bool subsectorTest, SSAValue args, SSAValue thread_data) +{ + this->subsectorTest = subsectorTest; + LoadArgs(args, thread_data); + Setup(); + LoopBlockY(); +} + +SSAInt SetupTriangleCodegen::FloatTo28_4(SSAFloat v) +{ + // SSAInt(SSAFloat::round(16.0f * v), false); + SSAInt a = SSAInt(v * 32.0f, false); + return (a + (a.ashr(31) | SSAInt(1))).ashr(1); +} + +void SetupTriangleCodegen::Setup() +{ + // 28.4 fixed-point coordinates + Y1 = FloatTo28_4(v1.y); + Y2 = FloatTo28_4(v2.y); + Y3 = FloatTo28_4(v3.y); + + X1 = FloatTo28_4(v1.x); + X2 = FloatTo28_4(v2.x); + X3 = FloatTo28_4(v3.x); + + // Deltas + DX12 = X1 - X2; + DX23 = X2 - X3; + DX31 = X3 - X1; + + DY12 = Y1 - Y2; + DY23 = Y2 - Y3; + DY31 = Y3 - Y1; + + // Fixed-point deltas + FDX12 = DX12 << 4; + FDX23 = DX23 << 4; + FDX31 = DX31 << 4; + + FDY12 = DY12 << 4; + FDY23 = DY23 << 4; + FDY31 = DY31 << 4; + + // Bounding rectangle + minx = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(X1, X2), X3) + 0xF).ashr(4), SSAInt(0)); + maxx = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(X1, X2), X3) + 0xF).ashr(4), clipright - 1); + miny = SSAInt::MAX((SSAInt::MIN(SSAInt::MIN(Y1, Y2), Y3) + 0xF).ashr(4), SSAInt(0)); + maxy = SSAInt::MIN((SSAInt::MAX(SSAInt::MAX(Y1, Y2), Y3) + 0xF).ashr(4), clipbottom - 1); + + SSAIfBlock if0; + if0.if_block(minx >= maxx || miny >= maxy); + if0.end_retvoid(); + + // Start in corner of 8x8 block + minx = minx & ~(q - 1); + miny = miny & ~(q - 1); + + // Half-edge constants + C1 = DY12 * X1 - DX12 * Y1; + C2 = DY23 * X2 - DX23 * Y2; + C3 = DY31 * X3 - DX31 * Y3; + + // Correct for fill convention + SSAIfBlock if1; + if1.if_block(DY12 < SSAInt(0) || (DY12 == SSAInt(0) && DX12 > SSAInt(0))); + stack_C1.store(C1 + 1); + if1.else_block(); + stack_C1.store(C1); + if1.end_block(); + C1 = stack_C1.load(); + SSAIfBlock if2; + if2.if_block(DY23 < SSAInt(0) || (DY23 == SSAInt(0) && DX23 > SSAInt(0))); + stack_C2.store(C2 + 1); + if2.else_block(); + stack_C2.store(C2); + if2.end_block(); + C2 = stack_C2.load(); + SSAIfBlock if3; + if3.if_block(DY31 < SSAInt(0) || (DY31 == SSAInt(0) && DX31 > SSAInt(0))); + stack_C3.store(C3 + 1); + if3.else_block(); + stack_C3.store(C3); + if3.end_block(); + C3 = stack_C3.load(); +} + +void SetupTriangleCodegen::LoopBlockY() +{ + SSAInt blocks_skipped = skipped_by_thread(miny / q, thread); + stack_y.store(miny + blocks_skipped * q); + stack_subsectorGBuffer.store(subsectorGBuffer[blocks_skipped * q * pitch]); + + SSAForBlock loop; + y = stack_y.load(); + subsectorGBuffer = stack_subsectorGBuffer.load(); + loop.loop_block(y < maxy, 0); + { + LoopBlockX(); + + stack_subsectorGBuffer.store(subsectorGBuffer[q * pitch * thread.num_cores]); + stack_y.store(y + thread.num_cores * q); + } + loop.end_block(); +} + +void SetupTriangleCodegen::LoopBlockX() +{ + stack_x.store(minx); + + SSAForBlock loop; + x = stack_x.load(); + loop.loop_block(x < maxx, 0); + { + // Corners of block + x0 = x << 4; + x1 = (x + q - 1) << 4; + y0 = y << 4; + y1 = (y + q - 1) << 4; + + // Evaluate half-space functions + SSABool a00 = C1 + DX12 * y0 - DY12 * x0 > SSAInt(0); + SSABool a10 = C1 + DX12 * y0 - DY12 * x1 > SSAInt(0); + SSABool a01 = C1 + DX12 * y1 - DY12 * x0 > SSAInt(0); + SSABool a11 = C1 + DX12 * y1 - DY12 * x1 > SSAInt(0); + + SSAInt a = (a00.zext_int() << 0) | (a10.zext_int() << 1) | (a01.zext_int() << 2) | (a11.zext_int() << 3); + + SSABool b00 = C2 + DX23 * y0 - DY23 * x0 > SSAInt(0); + SSABool b10 = C2 + DX23 * y0 - DY23 * x1 > SSAInt(0); + SSABool b01 = C2 + DX23 * y1 - DY23 * x0 > SSAInt(0); + SSABool b11 = C2 + DX23 * y1 - DY23 * x1 > SSAInt(0); + SSAInt b = (b00.zext_int() << 0) | (b10.zext_int() << 1) | (b01.zext_int() << 2) | (b11.zext_int() << 3); + + SSABool c00 = C3 + DX31 * y0 - DY31 * x0 > SSAInt(0); + SSABool c10 = C3 + DX31 * y0 - DY31 * x1 > SSAInt(0); + SSABool c01 = C3 + DX31 * y1 - DY31 * x0 > SSAInt(0); + SSABool c11 = C3 + DX31 * y1 - DY31 * x1 > SSAInt(0); + SSAInt c = (c00.zext_int() << 0) | (c10.zext_int() << 1) | (c01.zext_int() << 2) | (c11.zext_int() << 3); + + // Skip block when outside an edge + SSABool process_block = !(a == SSAInt(0) || b == SSAInt(0) || c == SSAInt(0)); + + SetStencilBlock(x / 8 + y / 8 * stencilPitch); + + // Stencil test the whole block, if possible + if (subsectorTest) + { + process_block = process_block && (!StencilIsSingleValue() || SSABool::compare_uge(StencilGetSingle(), stencilTestValue)); + } + else + { + process_block = process_block && (!StencilIsSingleValue() || StencilGetSingle() == stencilTestValue); + } + + SSAIfBlock branch; + branch.if_block(process_block); + + // Check if block needs clipping + SSABool clipneeded = (x + q) > clipright || (y + q) > clipbottom; + + SSABool covered = a == SSAInt(0xF) && b == SSAInt(0xF) && c == SSAInt(0xF) && !clipneeded && StencilIsSingleValue(); + + // Accept whole block when totally covered + SSAIfBlock branch_covered; + branch_covered.if_block(covered); + { + LoopFullBlock(); + } + branch_covered.else_block(); + { + SSAIfBlock branch_covered_stencil; + branch_covered_stencil.if_block(StencilIsSingleValue()); + { + SSABool stenciltestpass; + if (subsectorTest) + { + stenciltestpass = SSABool::compare_uge(StencilGetSingle(), stencilTestValue); + } + else + { + stenciltestpass = StencilGetSingle() == stencilTestValue; + } + + SSAIfBlock branch_stenciltestpass; + branch_stenciltestpass.if_block(stenciltestpass); + { + LoopPartialBlock(true); + } + branch_stenciltestpass.end_block(); + } + branch_covered_stencil.else_block(); + { + LoopPartialBlock(false); + } + branch_covered_stencil.end_block(); + } + branch_covered.end_block(); + + branch.end_block(); + + stack_x.store(x + q); + } + loop.end_block(); +} + +void SetupTriangleCodegen::LoopFullBlock() +{ + /* + if (variant == TriDrawVariant::Stencil) + { + StencilClear(stencilWriteValue); + } + else if (variant == TriDrawVariant::StencilClose) + { + StencilClear(stencilWriteValue); + for (int iy = 0; iy < q; iy++) + { + SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch]; + for (int ix = 0; ix < q; ix += 4) + { + subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth)); + } + } + } + else + { + int pixelsize = truecolor ? 4 : 1; + + AffineW = posx_w; + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosY[i] = posx_varying[i]; + + for (int iy = 0; iy < q; iy++) + { + SSAUBytePtr buffer = dest[(x + iy * pitch) * pixelsize]; + SSAIntPtr subsectorbuffer = subsectorGBuffer[x + iy * pitch]; + + SetupAffineBlock(); + + for (int ix = 0; ix < q; ix += 4) + { + SSAUBytePtr buf = buffer[ix * pixelsize]; + if (truecolor) + { + SSAVec16ub pixels16 = buf.load_unaligned_vec16ub(false); + SSAVec8s pixels8hi = SSAVec8s::extendhi(pixels16); + SSAVec8s pixels8lo = SSAVec8s::extendlo(pixels16); + SSAVec4i pixels[4] = + { + SSAVec4i::extendlo(pixels8lo), + SSAVec4i::extendhi(pixels8lo), + SSAVec4i::extendlo(pixels8hi), + SSAVec4i::extendhi(pixels8hi) + }; + + for (int sse = 0; sse < 4; sse++) + { + if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) + { + SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth; + pixels[sse] = subsectorTest.select(ProcessPixel32(pixels[sse], AffineVaryingPosX), pixels[sse]); + } + else + { + pixels[sse] = ProcessPixel32(pixels[sse], AffineVaryingPosX); + } + + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; + } + + buf.store_unaligned_vec16ub(SSAVec16ub(SSAVec8s(pixels[0], pixels[1]), SSAVec8s(pixels[2], pixels[3]))); + } + else + { + SSAVec4i pixelsvec = buf.load_vec4ub(false); + SSAInt pixels[4] = + { + pixelsvec[0], + pixelsvec[1], + pixelsvec[2], + pixelsvec[3] + }; + + for (int sse = 0; sse < 4; sse++) + { + if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) + { + SSABool subsectorTest = subsectorbuffer[ix].load(true) >= subsectorDepth; + pixels[sse] = subsectorTest.select(ProcessPixel8(pixels[sse], AffineVaryingPosX), pixels[sse]); + } + else + { + pixels[sse] = ProcessPixel8(pixels[sse], AffineVaryingPosX); + } + + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosX[i] = AffineVaryingPosX[i] + AffineVaryingStepX[i]; + } + + buf.store_vec4ub(SSAVec4i(pixels[0], pixels[1], pixels[2], pixels[3])); + } + + if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector) + subsectorbuffer[ix].store_unaligned_vec4i(SSAVec4i(subsectorDepth)); + } + + AffineW = AffineW + gradWY; + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosY[i] = AffineVaryingPosY[i] + gradVaryingY[i]; + } + } + */ +} + +void SetupTriangleCodegen::LoopPartialBlock(bool isSingleStencilValue) +{ + /* + int pixelsize = truecolor ? 4 : 1; + + if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) + { + if (isSingleStencilValue) + { + SSAInt stencilMask = StencilBlockMask.load(false); + SSAUByte val0 = stencilMask.trunc_ubyte(); + for (int i = 0; i < 8 * 8; i++) + StencilBlock[i].store(val0); + StencilBlockMask.store(SSAInt(0)); + } + + SSAUByte lastStencilValue = StencilBlock[0].load(false); + stack_stencilblock_restored.store(SSABool(true)); + stack_stencilblock_lastval.store(lastStencilValue); + } + + stack_CY1.store(C1 + DX12 * y0 - DY12 * x0); + stack_CY2.store(C2 + DX23 * y0 - DY23 * x0); + stack_CY3.store(C3 + DX31 * y0 - DY31 * x0); + stack_iy.store(SSAInt(0)); + stack_buffer.store(dest[x * pixelsize]); + stack_subsectorbuffer.store(subsectorGBuffer[x]); + stack_AffineW.store(posx_w); + for (int i = 0; i < TriVertex::NumVarying; i++) + { + stack_AffineVaryingPosY[i].store(posx_varying[i]); + } + + SSAForBlock loopy; + SSAInt iy = stack_iy.load(); + SSAUBytePtr buffer = stack_buffer.load(); + SSAIntPtr subsectorbuffer = stack_subsectorbuffer.load(); + SSAInt CY1 = stack_CY1.load(); + SSAInt CY2 = stack_CY2.load(); + SSAInt CY3 = stack_CY3.load(); + AffineW = stack_AffineW.load(); + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosY[i] = stack_AffineVaryingPosY[i].load(); + loopy.loop_block(iy < SSAInt(q), q); + { + SetupAffineBlock(); + + for (int i = 0; i < TriVertex::NumVarying; i++) + stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i]); + + stack_CX1.store(CY1); + stack_CX2.store(CY2); + stack_CX3.store(CY3); + stack_ix.store(SSAInt(0)); + + SSAForBlock loopx; + SSABool stencilblock_restored; + SSAUByte lastStencilValue; + if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) + { + stencilblock_restored = stack_stencilblock_restored.load(); + lastStencilValue = stack_stencilblock_lastval.load(); + } + SSAInt ix = stack_ix.load(); + SSAInt CX1 = stack_CX1.load(); + SSAInt CX2 = stack_CX2.load(); + SSAInt CX3 = stack_CX3.load(); + for (int i = 0; i < TriVertex::NumVarying; i++) + AffineVaryingPosX[i] = stack_AffineVaryingPosX[i].load(); + loopx.loop_block(ix < SSAInt(q), q); + { + SSABool visible = (ix + x < clipright) && (iy + y < clipbottom); + SSABool covered = CX1 > SSAInt(0) && CX2 > SSAInt(0) && CX3 > SSAInt(0) && visible; + + if (!isSingleStencilValue) + { + SSAUByte stencilValue = StencilBlock[ix + iy * 8].load(false); + + if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) + { + covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue) && subsectorbuffer[ix].load(true) >= subsectorDepth; + } + else if (variant == TriDrawVariant::StencilClose) + { + covered = covered && SSABool::compare_uge(stencilValue, stencilTestValue); + } + else + { + covered = covered && stencilValue == stencilTestValue; + } + } + else if (variant == TriDrawVariant::DrawSubsector || variant == TriDrawVariant::FillSubsector || variant == TriDrawVariant::FuzzSubsector) + { + covered = covered && subsectorbuffer[ix].load(true) >= subsectorDepth; + } + + SSAIfBlock branch; + branch.if_block(covered); + { + if (variant == TriDrawVariant::Stencil) + { + StencilBlock[ix + iy * 8].store(stencilWriteValue); + } + else if (variant == TriDrawVariant::StencilClose) + { + StencilBlock[ix + iy * 8].store(stencilWriteValue); + subsectorbuffer[ix].store(subsectorDepth); + } + else + { + SSAUBytePtr buf = buffer[ix * pixelsize]; + + if (truecolor) + { + SSAVec4i bg = buf.load_vec4ub(false); + buf.store_vec4ub(ProcessPixel32(bg, AffineVaryingPosX)); + } + else + { + SSAUByte bg = buf.load(false); + buf.store(ProcessPixel8(bg.zext_int(), AffineVaryingPosX).trunc_ubyte()); + } + + if (variant != TriDrawVariant::DrawSubsector && variant != TriDrawVariant::FillSubsector && variant != TriDrawVariant::FuzzSubsector) + subsectorbuffer[ix].store(subsectorDepth); + } + } + branch.end_block(); + + if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) + { + SSAUByte newStencilValue = StencilBlock[ix + iy * 8].load(false); + stack_stencilblock_restored.store(stencilblock_restored && newStencilValue == lastStencilValue); + stack_stencilblock_lastval.store(newStencilValue); + } + + for (int i = 0; i < TriVertex::NumVarying; i++) + stack_AffineVaryingPosX[i].store(AffineVaryingPosX[i] + AffineVaryingStepX[i]); + + stack_CX1.store(CX1 - FDY12); + stack_CX2.store(CX2 - FDY23); + stack_CX3.store(CX3 - FDY31); + stack_ix.store(ix + 1); + } + loopx.end_block(); + + stack_AffineW.store(AffineW + gradWY); + for (int i = 0; i < TriVertex::NumVarying; i++) + stack_AffineVaryingPosY[i].store(AffineVaryingPosY[i] + gradVaryingY[i]); + stack_CY1.store(CY1 + FDX12); + stack_CY2.store(CY2 + FDX23); + stack_CY3.store(CY3 + FDX31); + stack_buffer.store(buffer[pitch * pixelsize]); + stack_subsectorbuffer.store(subsectorbuffer[pitch]); + stack_iy.store(iy + 1); + } + loopy.end_block(); + + if (variant == TriDrawVariant::Stencil || variant == TriDrawVariant::StencilClose) + { + SSAIfBlock branch; + SSABool restored = stack_stencilblock_restored.load(); + branch.if_block(restored); + { + SSAUByte lastStencilValue = stack_stencilblock_lastval.load(); + StencilClear(lastStencilValue); + } + branch.end_block(); + } + */ +} + +void SetupTriangleCodegen::SetStencilBlock(SSAInt block) +{ + StencilBlock = stencilValues[block * 64]; + StencilBlockMask = stencilMasks[block]; +} + +SSAUByte SetupTriangleCodegen::StencilGetSingle() +{ + return StencilBlockMask.load(false).trunc_ubyte(); +} + +void SetupTriangleCodegen::StencilClear(SSAUByte value) +{ + StencilBlockMask.store(SSAInt(0xffffff00) | value.zext_int()); +} + +SSABool SetupTriangleCodegen::StencilIsSingleValue() +{ + return (StencilBlockMask.load(false) & SSAInt(0xffffff00)) == SSAInt(0xffffff00); +} + +void SetupTriangleCodegen::LoadArgs(SSAValue args, SSAValue thread_data) +{ + pitch = args[0][1].load(true); + v1 = LoadTriVertex(args[0][2].load(true)); + v2 = LoadTriVertex(args[0][3].load(true)); + v3 = LoadTriVertex(args[0][4].load(true)); + clipright = args[0][6].load(true); + clipbottom = args[0][8].load(true); + stencilValues = args[0][14].load(true); + stencilMasks = args[0][15].load(true); + stencilPitch = args[0][16].load(true); + stencilTestValue = args[0][17].load(true); + stencilWriteValue = args[0][18].load(true); + subsectorGBuffer = args[0][19].load(true); + + thread.core = thread_data[0][0].load(true); + thread.num_cores = thread_data[0][1].load(true); + thread.pass_start_y = SSAInt(0); + thread.pass_end_y = SSAInt(32000); +} + +SSASetupVertex SetupTriangleCodegen::LoadTriVertex(SSAValue ptr) +{ + SSASetupVertex v; + v.x = ptr[0][0].load(true); + v.y = ptr[0][1].load(true); + v.z = ptr[0][2].load(true); + v.w = ptr[0][3].load(true); + return v; +} diff --git a/tools/drawergen/fixedfunction/setuptrianglecodegen.h b/tools/drawergen/fixedfunction/setuptrianglecodegen.h new file mode 100644 index 0000000000..f8db559a29 --- /dev/null +++ b/tools/drawergen/fixedfunction/setuptrianglecodegen.h @@ -0,0 +1,98 @@ +/* +** SetupTriangle code generation +** Copyright (c) 2016 Magnus Norddahl +** +** This software is provided 'as-is', without any express or implied +** warranty. In no event will the authors be held liable for any damages +** arising from the use of this software. +** +** Permission is granted to anyone to use this software for any purpose, +** including commercial applications, and to alter it and redistribute it +** freely, subject to the following restrictions: +** +** 1. The origin of this software must not be misrepresented; you must not +** claim that you wrote the original software. If you use this software +** in a product, an acknowledgment in the product documentation would be +** appreciated but is not required. +** 2. Altered source versions must be plainly marked as such, and must not be +** misrepresented as being the original software. +** 3. This notice may not be removed or altered from any source distribution. +** +*/ + +#pragma once + +#include "drawercodegen.h" + +struct SSASetupVertex +{ + SSAFloat x, y, z, w; +}; + +class SetupTriangleCodegen : public DrawerCodegen +{ +public: + void Generate(bool subsectorTest, SSAValue args, SSAValue thread_data); + +private: + void LoadArgs(SSAValue args, SSAValue thread_data); + SSASetupVertex LoadTriVertex(SSAValue v); + void Setup(); + SSAInt FloatTo28_4(SSAFloat v); + void LoopBlockY(); + void LoopBlockX(); + void LoopFullBlock(); + void LoopPartialBlock(bool isSingleStencilValue); + + void SetStencilBlock(SSAInt block); + void StencilClear(SSAUByte value); + SSAUByte StencilGetSingle(); + SSABool StencilIsSingleValue(); + + bool subsectorTest; + + SSAStack stack_C1, stack_C2, stack_C3; + SSAStack stack_y; + SSAStack stack_subsectorGBuffer; + SSAStack stack_x; + SSAStack stack_buffer; + SSAStack stack_iy, stack_ix; + SSAStack stack_CY1, stack_CY2, stack_CY3; + SSAStack stack_CX1, stack_CX2, stack_CX3; + //SSAStack stack_stencilblock_restored; + //SSAStack stack_stencilblock_lastval; + + SSAUBytePtr subsectorGBuffer; + SSAInt pitch; + SSASetupVertex v1; + SSASetupVertex v2; + SSASetupVertex v3; + SSAInt clipright; + SSAInt clipbottom; + + SSAUBytePtr stencilValues; + SSAIntPtr stencilMasks; + SSAInt stencilPitch; + SSAUByte stencilTestValue; + SSAUByte stencilWriteValue; + + SSAWorkerThread thread; + + // Block size, standard 8x8 (must be power of two) + const int q = 8; + + SSAInt Y1, Y2, Y3; + SSAInt X1, X2, X3; + SSAInt DX12, DX23, DX31; + SSAInt DY12, DY23, DY31; + SSAInt FDX12, FDX23, FDX31; + SSAInt FDY12, FDY23, FDY31; + SSAInt minx, maxx, miny, maxy; + SSAInt C1, C2, C3; + + SSAInt x, y; + SSAInt x0, x1, y0, y1; + + SSAUBytePtr StencilBlock; + SSAIntPtr StencilBlockMask; +};