diff options
Diffstat (limited to 'src/gallium/drivers/swr/rasterizer/core/frontend.h')
| -rw-r--r-- | src/gallium/drivers/swr/rasterizer/core/frontend.h | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.h b/src/gallium/drivers/swr/rasterizer/core/frontend.h deleted file mode 100644 index a6d9fb5ba52..00000000000 --- a/src/gallium/drivers/swr/rasterizer/core/frontend.h +++ /dev/null @@ -1,448 +0,0 @@ -/**************************************************************************** - * Copyright (C) 2014-2015 Intel Corporation. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * @file frontend.h - * - * @brief Definitions for Frontend which handles vertex processing, - * primitive assembly, clipping, binning, etc. - * - ******************************************************************************/ -#pragma once -#include "context.h" -#include "common/simdintrin.h" -#include <type_traits> - -////////////////////////////////////////////////////////////////////////// -/// @brief Helper macro to generate a bitmask -static INLINE uint32_t - GenMask(uint32_t numBits) -{ - SWR_ASSERT( - numBits <= (sizeof(uint32_t) * 8), "Too many bits (%d) for %s", numBits, __FUNCTION__); - return ((1U << numBits) - 1); -} - -// Calculates the A and B coefficients for the 3 edges of the triangle -// -// maths for edge equations: -// standard form of a line in 2d -// Ax + By + C = 0 -// A = y0 - y1 -// B = x1 - x0 -// C = x0y1 - x1y0 -INLINE -void triangleSetupAB(const __m128 vX, const __m128 vY, __m128& vA, __m128& vB) -{ - // vYsub = y1 y2 y0 dc - __m128 vYsub = _mm_shuffle_ps(vY, vY, _MM_SHUFFLE(3, 0, 2, 1)); - // vY = y0 y1 y2 dc - vA = _mm_sub_ps(vY, vYsub); - - // Result: - // A[0] = y0 - y1 - // A[1] = y1 - y2 - // A[2] = y2 - y0 - - // vXsub = x1 x2 x0 dc - __m128 vXsub = _mm_shuffle_ps(vX, vX, _MM_SHUFFLE(3, 0, 2, 1)); - // vX = x0 x1 x2 dc - vB = _mm_sub_ps(vXsub, vX); - - // Result: - // B[0] = x1 - x0 - // B[1] = x2 - x1 - // B[2] = x0 - x2 -} - -INLINE -void triangleSetupABInt(const __m128i vX, const __m128i vY, __m128i& vA, __m128i& vB) -{ - // generate edge equations - // A = y0 - y1 - // B = x1 - x0 - // C = x0y1 - x1y0 - __m128i vYsub = _mm_shuffle_epi32(vY, _MM_SHUFFLE(3, 0, 2, 1)); - vA = _mm_sub_epi32(vY, vYsub); - - __m128i vXsub = _mm_shuffle_epi32(vX, _MM_SHUFFLE(3, 0, 2, 1)); - vB = _mm_sub_epi32(vXsub, vX); -} - -INLINE -void triangleSetupABIntVertical(const simdscalari vX[3], - const simdscalari vY[3], - simdscalari (&vA)[3], - simdscalari (&vB)[3]) -{ - // A = y0 - y1 - // B = x1 - x0 - vA[0] = _simd_sub_epi32(vY[0], vY[1]); - vA[1] = _simd_sub_epi32(vY[1], vY[2]); - vA[2] = _simd_sub_epi32(vY[2], vY[0]); - - vB[0] = _simd_sub_epi32(vX[1], vX[0]); - vB[1] = _simd_sub_epi32(vX[2], vX[1]); - vB[2] = _simd_sub_epi32(vX[0], vX[2]); -} - -#if ENABLE_AVX512_SIMD16 -INLINE -void triangleSetupABIntVertical(const simd16scalari vX[3], - const simd16scalari vY[3], - simd16scalari (&vA)[3], - simd16scalari (&vB)[3]) -{ - // A = y0 - y1 - // B = x1 - x0 - vA[0] = _simd16_sub_epi32(vY[0], vY[1]); - vA[1] = _simd16_sub_epi32(vY[1], vY[2]); - vA[2] = _simd16_sub_epi32(vY[2], vY[0]); - - vB[0] = _simd16_sub_epi32(vX[1], vX[0]); - vB[1] = _simd16_sub_epi32(vX[2], vX[1]); - vB[2] = _simd16_sub_epi32(vX[0], vX[2]); -} - -#endif -// Calculate the determinant of the triangle -// 2 vectors between the 3 points: P, Q -// Px = x0-x2, Py = y0-y2 -// Qx = x1-x2, Qy = y1-y2 -// |Px Qx| -// det = | | = PxQy - PyQx -// |Py Qy| -// simplifies to : (x0-x2)*(y1-y2) - (y0-y2)*(x1-x2) -// try to reuse our A & B coef's already calculated. factor out a -1 from Py and Qx -// : B[2]*A[1] - (-(y2-y0))*(-(x2-x1)) -// : B[2]*A[1] - (-1)(-1)(y2-y0)*(x2-x1) -// : B[2]*A[1] - A[2]*B[1] -INLINE -float calcDeterminantInt(const __m128i vA, const __m128i vB) -{ - // vAShuf = [A1, A0, A2, A0] - __m128i vAShuf = _mm_shuffle_epi32(vA, _MM_SHUFFLE(0, 2, 0, 1)); - // vBShuf = [B2, B0, B1, B0] - __m128i vBShuf = _mm_shuffle_epi32(vB, _MM_SHUFFLE(0, 1, 0, 2)); - // vMul = [A1*B2, B1*A2] - __m128i vMul = _mm_mul_epi32(vAShuf, vBShuf); - - // shuffle upper to lower - // vMul2 = [B1*A2, B1*A2] - __m128i vMul2 = _mm_shuffle_epi32(vMul, _MM_SHUFFLE(3, 2, 3, 2)); - // vMul = [A1*B2 - B1*A2] - vMul = _mm_sub_epi64(vMul, vMul2); - - int64_t result; - _mm_store_sd((double*)&result, _mm_castsi128_pd(vMul)); - - double dResult = (double)result; - dResult = dResult * (1.0 / FIXED_POINT16_SCALE); - - return (float)dResult; -} - -INLINE -void calcDeterminantIntVertical(const simdscalari vA[3], - const simdscalari vB[3], - simdscalari* pvDet) -{ - // refer to calcDeterminantInt comment for calculation explanation - - // A1*B2 - simdscalari vA1Lo = _simd_unpacklo_epi32(vA[1], vA[1]); // 0 0 1 1 4 4 5 5 - simdscalari vA1Hi = _simd_unpackhi_epi32(vA[1], vA[1]); // 2 2 3 3 6 6 7 7 - - simdscalari vB2Lo = _simd_unpacklo_epi32(vB[2], vB[2]); - simdscalari vB2Hi = _simd_unpackhi_epi32(vB[2], vB[2]); - - simdscalari vA1B2Lo = _simd_mul_epi32(vA1Lo, vB2Lo); // 0 1 4 5 - simdscalari vA1B2Hi = _simd_mul_epi32(vA1Hi, vB2Hi); // 2 3 6 7 - - // B1*A2 - simdscalari vA2Lo = _simd_unpacklo_epi32(vA[2], vA[2]); - simdscalari vA2Hi = _simd_unpackhi_epi32(vA[2], vA[2]); - - simdscalari vB1Lo = _simd_unpacklo_epi32(vB[1], vB[1]); - simdscalari vB1Hi = _simd_unpackhi_epi32(vB[1], vB[1]); - - simdscalari vA2B1Lo = _simd_mul_epi32(vA2Lo, vB1Lo); - simdscalari vA2B1Hi = _simd_mul_epi32(vA2Hi, vB1Hi); - - // A1*B2 - A2*B1 - simdscalari detLo = _simd_sub_epi64(vA1B2Lo, vA2B1Lo); - simdscalari detHi = _simd_sub_epi64(vA1B2Hi, vA2B1Hi); - - // shuffle 0 1 4 5 2 3 6 7 -> 0 1 2 3 - simdscalari vResultLo = _simd_permute2f128_si(detLo, detHi, 0x20); - - // shuffle 0 1 4 5 2 3 6 7 -> 4 5 6 7 - simdscalari vResultHi = _simd_permute2f128_si(detLo, detHi, 0x31); - - pvDet[0] = vResultLo; - pvDet[1] = vResultHi; -} - -#if ENABLE_AVX512_SIMD16 -INLINE -void calcDeterminantIntVertical(const simd16scalari vA[3], - const simd16scalari vB[3], - simd16scalari* pvDet) -{ - // refer to calcDeterminantInt comment for calculation explanation - - // A1*B2 - simd16scalari vA1_lo = - _simd16_unpacklo_epi32(vA[1], vA[1]); // X 0 X 1 X 4 X 5 X 8 X 9 X C X D (32b) - simd16scalari vA1_hi = _simd16_unpackhi_epi32(vA[1], vA[1]); // X 2 X 3 X 6 X 7 X A X B X E X F - - simd16scalari vB2_lo = _simd16_unpacklo_epi32(vB[2], vB[2]); - simd16scalari vB2_hi = _simd16_unpackhi_epi32(vB[2], vB[2]); - - simd16scalari vA1B2_lo = _simd16_mul_epi32(vA1_lo, vB2_lo); // 0 1 4 5 8 9 C D (64b) - simd16scalari vA1B2_hi = _simd16_mul_epi32(vA1_hi, vB2_hi); // 2 3 6 7 A B E F - - // B1*A2 - simd16scalari vA2_lo = _simd16_unpacklo_epi32(vA[2], vA[2]); - simd16scalari vA2_hi = _simd16_unpackhi_epi32(vA[2], vA[2]); - - simd16scalari vB1_lo = _simd16_unpacklo_epi32(vB[1], vB[1]); - simd16scalari vB1_hi = _simd16_unpackhi_epi32(vB[1], vB[1]); - - simd16scalari vA2B1_lo = _simd16_mul_epi32(vA2_lo, vB1_lo); - simd16scalari vA2B1_hi = _simd16_mul_epi32(vA2_hi, vB1_hi); - - // A1*B2 - A2*B1 - simd16scalari difflo = _simd16_sub_epi64(vA1B2_lo, vA2B1_lo); // 0 1 4 5 8 9 C D (64b) - simd16scalari diffhi = _simd16_sub_epi64(vA1B2_hi, vA2B1_hi); // 2 3 6 7 A B E F - - // (1, 0, 1, 0) = 01 00 01 00 = 0x44, (3, 2, 3, 2) = 11 10 11 10 = 0xEE - simd16scalari templo = _simd16_permute2f128_si(difflo, diffhi, 0x44); // 0 1 4 5 2 3 6 7 (64b) - simd16scalari temphi = _simd16_permute2f128_si(difflo, diffhi, 0xEE); // 8 9 C D A B E F - - // (3, 1, 2, 0) = 11 01 10 00 = 0xD8 - pvDet[0] = _simd16_permute2f128_si(templo, templo, 0xD8); // 0 1 2 3 4 5 6 7 (64b) - pvDet[1] = _simd16_permute2f128_si(temphi, temphi, 0xD8); // 8 9 A B C D E F -} - -#endif -INLINE -void triangleSetupC(const __m128 vX, const __m128 vY, const __m128 vA, const __m128& vB, __m128& vC) -{ - // C = -Ax - By - vC = _mm_mul_ps(vA, vX); - __m128 vCy = _mm_mul_ps(vB, vY); - vC = _mm_mul_ps(vC, _mm_set1_ps(-1.0f)); - vC = _mm_sub_ps(vC, vCy); -} - -template <uint32_t NumVerts> -INLINE void viewportTransform(simdvector* v, const SWR_VIEWPORT_MATRICES& vpMatrices) -{ - simdscalar m00 = _simd_load1_ps(&vpMatrices.m00[0]); - simdscalar m30 = _simd_load1_ps(&vpMatrices.m30[0]); - simdscalar m11 = _simd_load1_ps(&vpMatrices.m11[0]); - simdscalar m31 = _simd_load1_ps(&vpMatrices.m31[0]); - simdscalar m22 = _simd_load1_ps(&vpMatrices.m22[0]); - simdscalar m32 = _simd_load1_ps(&vpMatrices.m32[0]); - - for (uint32_t i = 0; i < NumVerts; ++i) - { - v[i].x = _simd_fmadd_ps(v[i].x, m00, m30); - v[i].y = _simd_fmadd_ps(v[i].y, m11, m31); - v[i].z = _simd_fmadd_ps(v[i].z, m22, m32); - } -} - -#if USE_SIMD16_FRONTEND -template <uint32_t NumVerts> -INLINE void viewportTransform(simd16vector* v, const SWR_VIEWPORT_MATRICES& vpMatrices) -{ - const simd16scalar m00 = _simd16_broadcast_ss(&vpMatrices.m00[0]); - const simd16scalar m30 = _simd16_broadcast_ss(&vpMatrices.m30[0]); - const simd16scalar m11 = _simd16_broadcast_ss(&vpMatrices.m11[0]); - const simd16scalar m31 = _simd16_broadcast_ss(&vpMatrices.m31[0]); - const simd16scalar m22 = _simd16_broadcast_ss(&vpMatrices.m22[0]); - const simd16scalar m32 = _simd16_broadcast_ss(&vpMatrices.m32[0]); - - for (uint32_t i = 0; i < NumVerts; ++i) - { - v[i].x = _simd16_fmadd_ps(v[i].x, m00, m30); - v[i].y = _simd16_fmadd_ps(v[i].y, m11, m31); - v[i].z = _simd16_fmadd_ps(v[i].z, m22, m32); - } -} - -#endif -template <uint32_t NumVerts> -INLINE void viewportTransform(simdvector* v, - const SWR_VIEWPORT_MATRICES& vpMatrices, - simdscalari const& vViewportIdx) -{ - // perform a gather of each matrix element based on the viewport array indexes - simdscalar m00 = _simd_i32gather_ps(&vpMatrices.m00[0], vViewportIdx, 4); - simdscalar m30 = _simd_i32gather_ps(&vpMatrices.m30[0], vViewportIdx, 4); - simdscalar m11 = _simd_i32gather_ps(&vpMatrices.m11[0], vViewportIdx, 4); - simdscalar m31 = _simd_i32gather_ps(&vpMatrices.m31[0], vViewportIdx, 4); - simdscalar m22 = _simd_i32gather_ps(&vpMatrices.m22[0], vViewportIdx, 4); - simdscalar m32 = _simd_i32gather_ps(&vpMatrices.m32[0], vViewportIdx, 4); - - for (uint32_t i = 0; i < NumVerts; ++i) - { - v[i].x = _simd_fmadd_ps(v[i].x, m00, m30); - v[i].y = _simd_fmadd_ps(v[i].y, m11, m31); - v[i].z = _simd_fmadd_ps(v[i].z, m22, m32); - } -} - -#if USE_SIMD16_FRONTEND -template <uint32_t NumVerts> -INLINE void viewportTransform(simd16vector* v, - const SWR_VIEWPORT_MATRICES& vpMatrices, - simd16scalari const& vViewportIdx) -{ - // perform a gather of each matrix element based on the viewport array indexes - const simd16scalar m00 = _simd16_i32gather_ps(&vpMatrices.m00[0], vViewportIdx, 4); - const simd16scalar m30 = _simd16_i32gather_ps(&vpMatrices.m30[0], vViewportIdx, 4); - const simd16scalar m11 = _simd16_i32gather_ps(&vpMatrices.m11[0], vViewportIdx, 4); - const simd16scalar m31 = _simd16_i32gather_ps(&vpMatrices.m31[0], vViewportIdx, 4); - const simd16scalar m22 = _simd16_i32gather_ps(&vpMatrices.m22[0], vViewportIdx, 4); - const simd16scalar m32 = _simd16_i32gather_ps(&vpMatrices.m32[0], vViewportIdx, 4); - - for (uint32_t i = 0; i < NumVerts; ++i) - { - v[i].x = _simd16_fmadd_ps(v[i].x, m00, m30); - v[i].y = _simd16_fmadd_ps(v[i].y, m11, m31); - v[i].z = _simd16_fmadd_ps(v[i].z, m22, m32); - } -} - -#endif -INLINE -void calcBoundingBoxInt(const __m128i& vX, const __m128i& vY, SWR_RECT& bbox) -{ - // Need horizontal fp min here - __m128i vX1 = _mm_shuffle_epi32(vX, _MM_SHUFFLE(3, 2, 0, 1)); - __m128i vX2 = _mm_shuffle_epi32(vX, _MM_SHUFFLE(3, 0, 1, 2)); - - __m128i vY1 = _mm_shuffle_epi32(vY, _MM_SHUFFLE(3, 2, 0, 1)); - __m128i vY2 = _mm_shuffle_epi32(vY, _MM_SHUFFLE(3, 0, 1, 2)); - - __m128i vMinX = _mm_min_epi32(vX, vX1); - vMinX = _mm_min_epi32(vMinX, vX2); - - __m128i vMaxX = _mm_max_epi32(vX, vX1); - vMaxX = _mm_max_epi32(vMaxX, vX2); - - __m128i vMinY = _mm_min_epi32(vY, vY1); - vMinY = _mm_min_epi32(vMinY, vY2); - - __m128i vMaxY = _mm_max_epi32(vY, vY1); - vMaxY = _mm_max_epi32(vMaxY, vY2); - - bbox.xmin = _mm_extract_epi32(vMinX, 0); - bbox.xmax = _mm_extract_epi32(vMaxX, 0); - bbox.ymin = _mm_extract_epi32(vMinY, 0); - bbox.ymax = _mm_extract_epi32(vMaxY, 0); -} - -INLINE -bool CanUseSimplePoints(DRAW_CONTEXT* pDC) -{ - const API_STATE& state = GetApiState(pDC); - - return (state.rastState.sampleCount == SWR_MULTISAMPLE_1X && - state.rastState.pointSize == 1.0f && !state.rastState.pointParam && - !state.rastState.pointSpriteEnable && !state.backendState.clipDistanceMask); -} - -INLINE -bool vHasNaN(const __m128& vec) -{ - const __m128 result = _mm_cmpunord_ps(vec, vec); - const int32_t mask = _mm_movemask_ps(result); - return (mask != 0); -} - -uint32_t GetNumPrims(PRIMITIVE_TOPOLOGY mode, uint32_t numElements); -uint32_t NumVertsPerPrim(PRIMITIVE_TOPOLOGY topology, bool includeAdjVerts); - -// ProcessDraw front-end function. All combinations of parameter values are available -PFN_FE_WORK_FUNC GetProcessDrawFunc(bool IsIndexed, - bool IsCutIndexEnabled, - bool HasTessellation, - bool HasGeometryShader, - bool HasStreamOut, - bool HasRasterization); - -void ProcessClear(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC, uint32_t workerId, void* pUserData); -void ProcessStoreTiles(SWR_CONTEXT* pContext, - DRAW_CONTEXT* pDC, - uint32_t workerId, - void* pUserData); -void ProcessDiscardInvalidateTiles(SWR_CONTEXT* pContext, - DRAW_CONTEXT* pDC, - uint32_t workerId, - void* pUserData); -void ProcessSync(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC, uint32_t workerId, void* pUserData); -void ProcessShutdown(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC, uint32_t workerId, void* pUserData); - -PFN_PROCESS_PRIMS GetBinTrianglesFunc(bool IsConservative); -#if USE_SIMD16_FRONTEND -PFN_PROCESS_PRIMS_SIMD16 GetBinTrianglesFunc_simd16(bool IsConservative); -#endif - -struct PA_STATE_BASE; // forward decl -void BinPoints(DRAW_CONTEXT* pDC, - PA_STATE& pa, - uint32_t workerId, - simdvector prims[3], - uint32_t primMask, - simdscalari const& primID, - simdscalari const& viewportIdx, - simdscalari const& rtIdx); -void BinLines(DRAW_CONTEXT* pDC, - PA_STATE& pa, - uint32_t workerId, - simdvector prims[3], - uint32_t primMask, - simdscalari const& primID, - simdscalari const& viewportIdx, - simdscalari const& rtIdx); -#if USE_SIMD16_FRONTEND -void SIMDCALL BinPoints_simd16(DRAW_CONTEXT* pDC, - PA_STATE& pa, - uint32_t workerId, - simd16vector prims[3], - uint32_t primMask, - simd16scalari const& primID, - simd16scalari const& viewportIdx, - simd16scalari const& rtIdx); -void SIMDCALL BinLines_simd16(DRAW_CONTEXT* pDC, - PA_STATE& pa, - uint32_t workerId, - simd16vector prims[3], - uint32_t primMask, - simd16scalari const& primID, - simd16scalari const& viewportIdx, - simd16scalari const& rtIdx); -#endif - |