| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES Utilities |
| * ------------------------------------------------ |
| * |
| * Copyright 2014 The Android Open Source Project |
| * |
| * 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. |
| * |
| *//*! |
| * \file |
| * \brief Utility functions and structures for texture tests. This code |
| * is originated from the modules/glshared/glsTextureTestUtil.hpp and it |
| * is tightly coupled with the GLES and Vulkan texture tests! |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "gluTextureTestUtil.hpp" |
| |
| #include "tcuFloat.hpp" |
| #include "tcuImageCompare.hpp" |
| #include "tcuTestLog.hpp" |
| #include "tcuVectorUtil.hpp" |
| |
| #include "deMath.h" |
| #include "deStringUtil.hpp" |
| |
| #include <string> |
| |
| using std::string; |
| |
| namespace glu |
| { |
| |
| namespace TextureTestUtil |
| { |
| |
| enum |
| { |
| MIN_SUBPIXEL_BITS = 4 |
| }; |
| |
| SamplerType getSamplerType (tcu::TextureFormat format) |
| { |
| using tcu::TextureFormat; |
| |
| switch (format.type) |
| { |
| case TextureFormat::SIGNED_INT8: |
| case TextureFormat::SIGNED_INT16: |
| case TextureFormat::SIGNED_INT32: |
| return SAMPLERTYPE_INT; |
| |
| case TextureFormat::UNSIGNED_INT8: |
| case TextureFormat::UNSIGNED_INT32: |
| case TextureFormat::UNSIGNED_INT_1010102_REV: |
| return SAMPLERTYPE_UINT; |
| |
| // Texture formats used in depth/stencil textures. |
| case TextureFormat::UNSIGNED_INT16: |
| case TextureFormat::UNSIGNED_INT_24_8: |
| return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FLOAT : SAMPLERTYPE_UINT; |
| |
| default: |
| return SAMPLERTYPE_FLOAT; |
| } |
| } |
| |
| SamplerType getFetchSamplerType (tcu::TextureFormat format) |
| { |
| using tcu::TextureFormat; |
| |
| switch (format.type) |
| { |
| case TextureFormat::SIGNED_INT8: |
| case TextureFormat::SIGNED_INT16: |
| case TextureFormat::SIGNED_INT32: |
| return SAMPLERTYPE_FETCH_INT; |
| |
| case TextureFormat::UNSIGNED_INT8: |
| case TextureFormat::UNSIGNED_INT32: |
| case TextureFormat::UNSIGNED_INT_1010102_REV: |
| return SAMPLERTYPE_FETCH_UINT; |
| |
| // Texture formats used in depth/stencil textures. |
| case TextureFormat::UNSIGNED_INT16: |
| case TextureFormat::UNSIGNED_INT_24_8: |
| return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FETCH_FLOAT : SAMPLERTYPE_FETCH_UINT; |
| |
| default: |
| return SAMPLERTYPE_FETCH_FLOAT; |
| } |
| } |
| |
| static tcu::Texture1DView getSubView (const tcu::Texture1DView& view, int baseLevel, int maxLevel) |
| { |
| const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); |
| const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); |
| const int numLevels = clampedMax-clampedBase+1; |
| return tcu::Texture1DView(numLevels, view.getLevels()+clampedBase); |
| } |
| |
| static tcu::Texture2DView getSubView (const tcu::Texture2DView& view, int baseLevel, int maxLevel) |
| { |
| const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); |
| const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); |
| const int numLevels = clampedMax-clampedBase+1; |
| return tcu::Texture2DView(numLevels, view.getLevels()+clampedBase); |
| } |
| |
| static tcu::TextureCubeView getSubView (const tcu::TextureCubeView& view, int baseLevel, int maxLevel) |
| { |
| const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); |
| const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); |
| const int numLevels = clampedMax-clampedBase+1; |
| const tcu::ConstPixelBufferAccess* levels[tcu::CUBEFACE_LAST]; |
| |
| for (int face = 0; face < tcu::CUBEFACE_LAST; face++) |
| levels[face] = view.getFaceLevels((tcu::CubeFace)face) + clampedBase; |
| |
| return tcu::TextureCubeView(numLevels, levels); |
| } |
| |
| static tcu::Texture3DView getSubView (const tcu::Texture3DView& view, int baseLevel, int maxLevel) |
| { |
| const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); |
| const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); |
| const int numLevels = clampedMax-clampedBase+1; |
| return tcu::Texture3DView(numLevels, view.getLevels()+clampedBase); |
| } |
| |
| static tcu::TextureCubeArrayView getSubView (const tcu::TextureCubeArrayView& view, int baseLevel, int maxLevel) |
| { |
| const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); |
| const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); |
| const int numLevels = clampedMax-clampedBase+1; |
| return tcu::TextureCubeArrayView(numLevels, view.getLevels()+clampedBase); |
| } |
| |
| inline float linearInterpolate (float t, float minVal, float maxVal) |
| { |
| return minVal + (maxVal - minVal) * t; |
| } |
| |
| inline tcu::Vec4 linearInterpolate (float t, const tcu::Vec4& a, const tcu::Vec4& b) |
| { |
| return a + (b - a) * t; |
| } |
| |
| inline float bilinearInterpolate (float x, float y, const tcu::Vec4& quad) |
| { |
| float w00 = (1.0f-x)*(1.0f-y); |
| float w01 = (1.0f-x)*y; |
| float w10 = x*(1.0f-y); |
| float w11 = x*y; |
| return quad.x()*w00 + quad.y()*w10 + quad.z()*w01 + quad.w()*w11; |
| } |
| |
| float triangleInterpolate (float v0, float v1, float v2, float x, float y) |
| { |
| return v0 + (v2-v0)*x + (v1-v0)*y; |
| } |
| |
| float triangleInterpolate (const tcu::Vec3& v, float x, float y) |
| { |
| return triangleInterpolate(v.x(), v.y(), v.z(), x, y); |
| } |
| |
| // 1D lookup LOD computation. |
| |
| float computeLodFromDerivates (LodMode mode, float dudx, float dudy) |
| { |
| float p = 0.0f; |
| switch (mode) |
| { |
| // \note [mika] Min and max bounds equal to exact with 1D textures |
| case LODMODE_EXACT: |
| case LODMODE_MIN_BOUND: |
| case LODMODE_MAX_BOUND: |
| p = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); |
| break; |
| |
| default: |
| DE_ASSERT(DE_FALSE); |
| } |
| |
| return deFloatLog2(p); |
| } |
| |
| float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, deInt32 srcSize, const tcu::Vec3& sq) |
| { |
| float dux = (sq.z() - sq.x()) * (float)srcSize; |
| float duy = (sq.y() - sq.x()) * (float)srcSize; |
| float dx = (float)dstSize.x(); |
| float dy = (float)dstSize.y(); |
| |
| return computeLodFromDerivates(mode, dux/dx, duy/dy); |
| } |
| |
| // 2D lookup LOD computation. |
| |
| float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy) |
| { |
| float p = 0.0f; |
| switch (mode) |
| { |
| case LODMODE_EXACT: |
| p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy)); |
| break; |
| |
| case LODMODE_MIN_BOUND: |
| case LODMODE_MAX_BOUND: |
| { |
| float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); |
| float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); |
| |
| p = mode == LODMODE_MIN_BOUND ? de::max(mu, mv) : mu + mv; |
| break; |
| } |
| |
| default: |
| DE_ASSERT(DE_FALSE); |
| } |
| |
| return deFloatLog2(p); |
| } |
| |
| float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, const tcu::IVec2& srcSize, const tcu::Vec3& sq, const tcu::Vec3& tq) |
| { |
| float dux = (sq.z() - sq.x()) * (float)srcSize.x(); |
| float duy = (sq.y() - sq.x()) * (float)srcSize.x(); |
| float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); |
| float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); |
| float dx = (float)dstSize.x(); |
| float dy = (float)dstSize.y(); |
| |
| return computeLodFromDerivates(mode, dux/dx, dvx/dx, duy/dy, dvy/dy); |
| } |
| |
| // 3D lookup LOD computation. |
| |
| float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy) |
| { |
| float p = 0.0f; |
| switch (mode) |
| { |
| case LODMODE_EXACT: |
| p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy)); |
| break; |
| |
| case LODMODE_MIN_BOUND: |
| case LODMODE_MAX_BOUND: |
| { |
| float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); |
| float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); |
| float mw = de::max(deFloatAbs(dwdx), deFloatAbs(dwdy)); |
| |
| p = mode == LODMODE_MIN_BOUND ? de::max(de::max(mu, mv), mw) : (mu + mv + mw); |
| break; |
| } |
| |
| default: |
| DE_ASSERT(DE_FALSE); |
| } |
| |
| return deFloatLog2(p); |
| } |
| |
| float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, const tcu::IVec3& srcSize, const tcu::Vec3& sq, const tcu::Vec3& tq, const tcu::Vec3& rq) |
| { |
| float dux = (sq.z() - sq.x()) * (float)srcSize.x(); |
| float duy = (sq.y() - sq.x()) * (float)srcSize.x(); |
| float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); |
| float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); |
| float dwx = (rq.z() - rq.x()) * (float)srcSize.z(); |
| float dwy = (rq.y() - rq.x()) * (float)srcSize.z(); |
| float dx = (float)dstSize.x(); |
| float dy = (float)dstSize.y(); |
| |
| return computeLodFromDerivates(mode, dux/dx, dvx/dx, dwx/dx, duy/dy, dvy/dy, dwy/dy); |
| } |
| |
| static inline float projectedTriInterpolate (const tcu::Vec3& s, const tcu::Vec3& w, float nx, float ny) |
| { |
| return (s[0]*(1.0f-nx-ny)/w[0] + s[1]*ny/w[1] + s[2]*nx/w[2]) / ((1.0f-nx-ny)/w[0] + ny/w[1] + nx/w[2]); |
| } |
| |
| static inline float triDerivateX (const tcu::Vec3& s, const tcu::Vec3& w, float wx, float width, float ny) |
| { |
| float d = w[1]*w[2]*(width*(ny - 1.0f) + wx) - w[0]*(w[2]*width*ny + w[1]*wx); |
| return (w[0]*w[1]*w[2]*width * (w[1]*(s[0] - s[2])*(ny - 1.0f) + ny*(w[2]*(s[1] - s[0]) + w[0]*(s[2] - s[1])))) / (d*d); |
| } |
| |
| static inline float triDerivateY (const tcu::Vec3& s, const tcu::Vec3& w, float wy, float height, float nx) |
| { |
| float d = w[1]*w[2]*(height*(nx - 1.0f) + wy) - w[0]*(w[1]*height*nx + w[2]*wy); |
| return (w[0]*w[1]*w[2]*height * (w[2]*(s[0] - s[1])*(nx - 1.0f) + nx*(w[0]*(s[1] - s[2]) + w[1]*(s[2] - s[0])))) / (d*d); |
| } |
| |
| // 1D lookup LOD. |
| static float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& projection, float wx, float wy, float width, float height) |
| { |
| // Exact derivatives. |
| float dudx = triDerivateX(u, projection, wx, width, wy/height); |
| float dudy = triDerivateY(u, projection, wy, height, wx/width); |
| |
| return computeLodFromDerivates(mode, dudx, dudy); |
| } |
| |
| // 2D lookup LOD. |
| static float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& v, const tcu::Vec3& projection, float wx, float wy, float width, float height) |
| { |
| // Exact derivatives. |
| float dudx = triDerivateX(u, projection, wx, width, wy/height); |
| float dvdx = triDerivateX(v, projection, wx, width, wy/height); |
| float dudy = triDerivateY(u, projection, wy, height, wx/width); |
| float dvdy = triDerivateY(v, projection, wy, height, wx/width); |
| |
| return computeLodFromDerivates(mode, dudx, dvdx, dudy, dvdy); |
| } |
| |
| // 3D lookup LOD. |
| static float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& v, const tcu::Vec3& w, const tcu::Vec3& projection, float wx, float wy, float width, float height) |
| { |
| // Exact derivatives. |
| float dudx = triDerivateX(u, projection, wx, width, wy/height); |
| float dvdx = triDerivateX(v, projection, wx, width, wy/height); |
| float dwdx = triDerivateX(w, projection, wx, width, wy/height); |
| float dudy = triDerivateY(u, projection, wy, height, wx/width); |
| float dvdy = triDerivateY(v, projection, wy, height, wx/width); |
| float dwdy = triDerivateY(w, projection, wy, height, wx/width); |
| |
| return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::Texture1DView& src, const ReferenceParams& params, float s, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, lod); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::Texture2DView& src, const ReferenceParams& params, float s, float t, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, t, lod); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::TextureCubeView& src, const ReferenceParams& params, float s, float t, float r, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, t, r, lod); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::Texture2DArrayView& src, const ReferenceParams& params, float s, float t, float r, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, t, r, lod); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::TextureCubeArrayView& src, const ReferenceParams& params, float s, float t, float r, float q, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, q, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, t, r, q, lod); |
| } |
| |
| static inline tcu::Vec4 execSample (const tcu::Texture1DArrayView& src, const ReferenceParams& params, float s, float t, float lod) |
| { |
| if (params.samplerType == SAMPLERTYPE_SHADOW) |
| return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); |
| else |
| return src.sample(params.sampler, s, t, lod); |
| } |
| |
| static void sampleTextureNonProjected (const tcu::SurfaceAccess& dst, const tcu::Texture1DView& rawSrc, const tcu::Vec4& sq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture1DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| int srcSize = src.getWidth(); |
| |
| // Coordinates and lod per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, params.minLod, params.maxLod), |
| de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias, params.minLod, params.maxLod) }; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| float triX = triNdx ? 1.0f-xf : xf; |
| float triY = triNdx ? 1.0f-yf : yf; |
| |
| float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| float lod = triLod[triNdx]; |
| |
| dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, x, y); |
| } |
| } |
| } |
| |
| static void sampleTextureNonProjected (const tcu::SurfaceAccess& dst, const tcu::Texture2DView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture2DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); |
| |
| // Coordinates and lod per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, params.minLod, params.maxLod), |
| de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias, params.minLod, params.maxLod) }; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| float triX = triNdx ? 1.0f-xf : xf; |
| float triY = triNdx ? 1.0f-yf : yf; |
| |
| float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); |
| float lod = triLod[triNdx]; |
| |
| dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); |
| } |
| } |
| } |
| |
| static void sampleTextureProjected (const tcu::SurfaceAccess& dst, const tcu::Texture1DView& rawSrc, const tcu::Vec4& sq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture1DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| float dstW = (float)dst.getWidth(); |
| float dstH = (float)dst.getHeight(); |
| |
| tcu::Vec4 uq = sq * (float)src.getWidth(); |
| |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; |
| |
| for (int py = 0; py < dst.getHeight(); py++) |
| { |
| for (int px = 0; px < dst.getWidth(); px++) |
| { |
| float wx = (float)px + 0.5f; |
| float wy = (float)py + 0.5f; |
| float nx = wx / dstW; |
| float ny = wy / dstH; |
| |
| int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| float triWx = triNdx ? dstW - wx : wx; |
| float triWy = triNdx ? dstH - wy : wy; |
| float triNx = triNdx ? 1.0f - nx : nx; |
| float triNy = triNdx ? 1.0f - ny : ny; |
| |
| float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); |
| float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) |
| + lodBias; |
| |
| dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, px, py); |
| } |
| } |
| } |
| |
| static void sampleTextureProjected (const tcu::SurfaceAccess& dst, const tcu::Texture2DView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture2DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| float dstW = (float)dst.getWidth(); |
| float dstH = (float)dst.getHeight(); |
| |
| tcu::Vec4 uq = sq * (float)src.getWidth(); |
| tcu::Vec4 vq = tq * (float)src.getHeight(); |
| |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; |
| |
| for (int py = 0; py < dst.getHeight(); py++) |
| { |
| for (int px = 0; px < dst.getWidth(); px++) |
| { |
| float wx = (float)px + 0.5f; |
| float wy = (float)py + 0.5f; |
| float nx = wx / dstW; |
| float ny = wy / dstH; |
| |
| int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| float triWx = triNdx ? dstW - wx : wx; |
| float triWy = triNdx ? dstH - wy : wy; |
| float triNx = triNdx ? 1.0f - nx : nx; |
| float triNy = triNdx ? 1.0f - ny : ny; |
| |
| float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); |
| float t = projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy); |
| float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) |
| + lodBias; |
| |
| dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, px, py); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::Texture2DView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| const tcu::Texture2DView view = getSubView(src, params.baseLevel, params.maxLevel); |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); |
| |
| if (params.flags & ReferenceParams::PROJECTED) |
| sampleTextureProjected(dst, view, sq, tq, params); |
| else |
| sampleTextureNonProjected(dst, view, sq, tq, params); |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::Texture1DView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| const tcu::Texture1DView view = getSubView(src, params.baseLevel, params.maxLevel); |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); |
| |
| if (params.flags & ReferenceParams::PROJECTED) |
| sampleTextureProjected(dst, view, sq, params); |
| else |
| sampleTextureNonProjected(dst, view, sq, params); |
| } |
| |
| static float computeCubeLodFromDerivates (LodMode lodMode, const tcu::Vec3& coord, const tcu::Vec3& coordDx, const tcu::Vec3& coordDy, const int faceSize) |
| { |
| const tcu::CubeFace face = tcu::selectCubeFace(coord); |
| int maNdx = 0; |
| int sNdx = 0; |
| int tNdx = 0; |
| |
| // \note Derivate signs don't matter when computing lod |
| switch (face) |
| { |
| case tcu::CUBEFACE_NEGATIVE_X: |
| case tcu::CUBEFACE_POSITIVE_X: maNdx = 0; sNdx = 2; tNdx = 1; break; |
| case tcu::CUBEFACE_NEGATIVE_Y: |
| case tcu::CUBEFACE_POSITIVE_Y: maNdx = 1; sNdx = 0; tNdx = 2; break; |
| case tcu::CUBEFACE_NEGATIVE_Z: |
| case tcu::CUBEFACE_POSITIVE_Z: maNdx = 2; sNdx = 0; tNdx = 1; break; |
| default: |
| DE_ASSERT(DE_FALSE); |
| } |
| |
| { |
| const float sc = coord[sNdx]; |
| const float tc = coord[tNdx]; |
| const float ma = de::abs(coord[maNdx]); |
| const float scdx = coordDx[sNdx]; |
| const float tcdx = coordDx[tNdx]; |
| const float madx = de::abs(coordDx[maNdx]); |
| const float scdy = coordDy[sNdx]; |
| const float tcdy = coordDy[tNdx]; |
| const float mady = de::abs(coordDy[maNdx]); |
| const float dudx = float(faceSize) * 0.5f * (scdx*ma - sc*madx) / (ma*ma); |
| const float dvdx = float(faceSize) * 0.5f * (tcdx*ma - tc*madx) / (ma*ma); |
| const float dudy = float(faceSize) * 0.5f * (scdy*ma - sc*mady) / (ma*ma); |
| const float dvdy = float(faceSize) * 0.5f * (tcdy*ma - tc*mady) / (ma*ma); |
| |
| return computeLodFromDerivates(lodMode, dudx, dvdx, dudy, dvdy); |
| } |
| } |
| |
| static void sampleTextureCube (const tcu::SurfaceAccess& dst, const tcu::TextureCubeView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::TextureCubeView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const int srcSize = src.getSize(); |
| |
| // Coordinates per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; |
| |
| const float lodBias ((params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f); |
| |
| for (int py = 0; py < dst.getHeight(); py++) |
| { |
| for (int px = 0; px < dst.getWidth(); px++) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), |
| triangleInterpolate(triT[triNdx], triNx, triNy), |
| triangleInterpolate(triR[triNdx], triNx, triNy)); |
| const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); |
| const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); |
| |
| const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, srcSize) + lodBias, params.minLod, params.maxLod); |
| |
| dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), lod) * params.colorScale + params.colorBias, px, py); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::TextureCubeView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| const tcu::TextureCubeView view = getSubView(src, params.baseLevel, params.maxLevel); |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| return sampleTextureCube(dst, view, sq, tq, rq, params); |
| } |
| |
| static void sampleTextureNonProjected (const tcu::SurfaceAccess& dst, const tcu::Texture2DArrayView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture2DArrayView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); |
| |
| // Coordinates and lod per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, params.minLod, params.maxLod), |
| de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias, params.minLod, params.maxLod) }; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| float triX = triNdx ? 1.0f-xf : xf; |
| float triY = triNdx ? 1.0f-yf : yf; |
| |
| float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); |
| float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); |
| float lod = triLod[triNdx]; |
| |
| dst.setPixel(execSample(src, params, s, t, r, lod) * params.colorScale + params.colorBias, x, y); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::Texture2DArrayView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2012-02-17 pyry] Support projected lookups. |
| sampleTextureNonProjected(dst, src, sq, tq, rq, params); |
| } |
| |
| static void sampleTextureNonProjected (const tcu::SurfaceAccess& dst, const tcu::Texture1DArrayView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture1DArrayView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| deInt32 srcSize = src.getWidth(); |
| |
| // Coordinates and lod per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| float triLod[2] = { computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, |
| computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias}; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| float triX = triNdx ? 1.0f-xf : xf; |
| float triY = triNdx ? 1.0f-yf : yf; |
| |
| float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); |
| float lod = triLod[triNdx]; |
| |
| dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::Texture1DArrayView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); |
| tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); |
| |
| DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2014-06-09 mika] Support projected lookups. |
| sampleTextureNonProjected(dst, src, sq, tq, params); |
| } |
| |
| static void sampleTextureNonProjected (const tcu::SurfaceAccess& dst, const tcu::Texture3DView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture3DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); |
| tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); |
| |
| // Coordinates and lod per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0], triR[0]) + lodBias, params.minLod, params.maxLod), |
| de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1], triR[1]) + lodBias, params.minLod, params.maxLod) }; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| float triX = triNdx ? 1.0f-xf : xf; |
| float triY = triNdx ? 1.0f-yf : yf; |
| |
| float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); |
| float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); |
| float lod = triLod[triNdx]; |
| |
| dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, x, y); |
| } |
| } |
| } |
| |
| static void sampleTextureProjected (const tcu::SurfaceAccess& dst, const tcu::Texture3DView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture3DView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| float dstW = (float)dst.getWidth(); |
| float dstH = (float)dst.getHeight(); |
| |
| tcu::Vec4 uq = sq * (float)src.getWidth(); |
| tcu::Vec4 vq = tq * (float)src.getHeight(); |
| tcu::Vec4 wq = rq * (float)src.getDepth(); |
| |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triW[2] = { wq.swizzle(0, 1, 2), wq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triP[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; |
| |
| for (int py = 0; py < dst.getHeight(); py++) |
| { |
| for (int px = 0; px < dst.getWidth(); px++) |
| { |
| float wx = (float)px + 0.5f; |
| float wy = (float)py + 0.5f; |
| float nx = wx / dstW; |
| float ny = wy / dstH; |
| |
| int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| float triWx = triNdx ? dstW - wx : wx; |
| float triWy = triNdx ? dstH - wy : wy; |
| float triNx = triNdx ? 1.0f - nx : nx; |
| float triNy = triNdx ? 1.0f - ny : ny; |
| |
| float s = projectedTriInterpolate(triS[triNdx], triP[triNdx], triNx, triNy); |
| float t = projectedTriInterpolate(triT[triNdx], triP[triNdx], triNx, triNy); |
| float r = projectedTriInterpolate(triR[triNdx], triP[triNdx], triNx, triNy); |
| float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triP[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) |
| + lodBias; |
| |
| dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, px, py); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::Texture3DView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| const tcu::Texture3DView view = getSubView(src, params.baseLevel, params.maxLevel); |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| if (params.flags & ReferenceParams::PROJECTED) |
| sampleTextureProjected(dst, view, sq, tq, rq, params); |
| else |
| sampleTextureNonProjected(dst, view, sq, tq, rq, params); |
| } |
| |
| static void sampleTextureCubeArray (const tcu::SurfaceAccess& dst, const tcu::TextureCubeArrayView& rawSrc, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const tcu::Vec4& qq, const ReferenceParams& params) |
| { |
| // Separate combined DS formats |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::TextureCubeArrayView src = getEffectiveTextureView(rawSrc, srcLevelStorage, params.sampler); |
| |
| const float dstW = (float)dst.getWidth(); |
| const float dstH = (float)dst.getHeight(); |
| |
| // Coordinates per triangle. |
| tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| tcu::Vec3 triQ[2] = { qq.swizzle(0, 1, 2), qq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; |
| |
| const float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; |
| |
| for (int py = 0; py < dst.getHeight(); py++) |
| { |
| for (int px = 0; px < dst.getWidth(); px++) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), |
| triangleInterpolate(triT[triNdx], triNx, triNy), |
| triangleInterpolate(triR[triNdx], triNx, triNy)); |
| |
| const float coordQ = triangleInterpolate(triQ[triNdx], triNx, triNy); |
| |
| const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); |
| const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); |
| |
| const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, src.getSize()) + lodBias, params.minLod, params.maxLod); |
| |
| dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), coordQ, lod) * params.colorScale + params.colorBias, px, py); |
| } |
| } |
| } |
| |
| void sampleTexture (const tcu::SurfaceAccess& dst, const tcu::TextureCubeArrayView& src, const float* texCoord, const ReferenceParams& params) |
| { |
| tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[4+0], texCoord[8+0], texCoord[12+0]); |
| tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[4+1], texCoord[8+1], texCoord[12+1]); |
| tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[4+2], texCoord[8+2], texCoord[12+2]); |
| tcu::Vec4 qq = tcu::Vec4(texCoord[0+3], texCoord[4+3], texCoord[8+3], texCoord[12+3]); |
| |
| sampleTextureCubeArray(dst, src, sq, tq, rq, qq, params); |
| } |
| |
| void fetchTexture (const tcu::SurfaceAccess& dst, const tcu::ConstPixelBufferAccess& src, const float* texCoord, const tcu::Vec4& colorScale, const tcu::Vec4& colorBias) |
| { |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| |
| for (int y = 0; y < dst.getHeight(); y++) |
| { |
| for (int x = 0; x < dst.getWidth(); x++) |
| { |
| const float yf = ((float)y + 0.5f) / (float)dst.getHeight(); |
| const float xf = ((float)x + 0.5f) / (float)dst.getWidth(); |
| |
| const int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. |
| const float triX = triNdx ? 1.0f-xf : xf; |
| const float triY = triNdx ? 1.0f-yf : yf; |
| |
| const float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); |
| |
| dst.setPixel(src.getPixel((int)s, 0) * colorScale + colorBias, x, y); |
| } |
| } |
| } |
| |
| bool compareImages (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) |
| { |
| return tcu::pixelThresholdCompare(log, "Result", "Image comparison result", reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); |
| } |
| |
| bool compareImages (tcu::TestLog& log, const char* name, const char* desc, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) |
| { |
| return tcu::pixelThresholdCompare(log, name, desc, reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); |
| } |
| |
| int measureAccuracy (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, int bestScoreDiff, int worstScoreDiff) |
| { |
| return tcu::measurePixelDiffAccuracy(log, "Result", "Image comparison result", reference, rendered, bestScoreDiff, worstScoreDiff, tcu::COMPARE_LOG_EVERYTHING); |
| } |
| |
| inline int rangeDiff (int x, int a, int b) |
| { |
| if (x < a) |
| return a-x; |
| else if (x > b) |
| return x-b; |
| else |
| return 0; |
| } |
| |
| inline tcu::RGBA rangeDiff (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b) |
| { |
| int rMin = de::min(a.getRed(), b.getRed()); |
| int rMax = de::max(a.getRed(), b.getRed()); |
| int gMin = de::min(a.getGreen(), b.getGreen()); |
| int gMax = de::max(a.getGreen(), b.getGreen()); |
| int bMin = de::min(a.getBlue(), b.getBlue()); |
| int bMax = de::max(a.getBlue(), b.getBlue()); |
| int aMin = de::min(a.getAlpha(), b.getAlpha()); |
| int aMax = de::max(a.getAlpha(), b.getAlpha()); |
| |
| return tcu::RGBA(rangeDiff(p.getRed(), rMin, rMax), |
| rangeDiff(p.getGreen(), gMin, gMax), |
| rangeDiff(p.getBlue(), bMin, bMax), |
| rangeDiff(p.getAlpha(), aMin, aMax)); |
| } |
| |
| inline bool rangeCompare (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b, tcu::RGBA threshold) |
| { |
| tcu::RGBA diff = rangeDiff(p, a, b); |
| return diff.getRed() <= threshold.getRed() && |
| diff.getGreen() <= threshold.getGreen() && |
| diff.getBlue() <= threshold.getBlue() && |
| diff.getAlpha() <= threshold.getAlpha(); |
| } |
| |
| void computeQuadTexCoord1D (std::vector<float>& dst, float left, float right) |
| { |
| dst.resize(4); |
| |
| dst[0] = left; |
| dst[1] = left; |
| dst[2] = right; |
| dst[3] = right; |
| } |
| |
| void computeQuadTexCoord1DArray (std::vector<float>& dst, int layerNdx, float left, float right) |
| { |
| dst.resize(4*2); |
| |
| dst[0] = left; dst[1] = (float)layerNdx; |
| dst[2] = left; dst[3] = (float)layerNdx; |
| dst[4] = right; dst[5] = (float)layerNdx; |
| dst[6] = right; dst[7] = (float)layerNdx; |
| } |
| |
| void computeQuadTexCoord2D (std::vector<float>& dst, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) |
| { |
| dst.resize(4*2); |
| |
| dst[0] = bottomLeft.x(); dst[1] = bottomLeft.y(); |
| dst[2] = bottomLeft.x(); dst[3] = topRight.y(); |
| dst[4] = topRight.x(); dst[5] = bottomLeft.y(); |
| dst[6] = topRight.x(); dst[7] = topRight.y(); |
| } |
| |
| void computeQuadTexCoord2DArray (std::vector<float>& dst, int layerNdx, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) |
| { |
| dst.resize(4*3); |
| |
| dst[0] = bottomLeft.x(); dst[ 1] = bottomLeft.y(); dst[ 2] = (float)layerNdx; |
| dst[3] = bottomLeft.x(); dst[ 4] = topRight.y(); dst[ 5] = (float)layerNdx; |
| dst[6] = topRight.x(); dst[ 7] = bottomLeft.y(); dst[ 8] = (float)layerNdx; |
| dst[9] = topRight.x(); dst[10] = topRight.y(); dst[11] = (float)layerNdx; |
| } |
| |
| void computeQuadTexCoord3D (std::vector<float>& dst, const tcu::Vec3& p0, const tcu::Vec3& p1, const tcu::IVec3& dirSwz) |
| { |
| tcu::Vec3 f0 = tcu::Vec3(0.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); |
| tcu::Vec3 f1 = tcu::Vec3(0.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); |
| tcu::Vec3 f2 = tcu::Vec3(1.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); |
| tcu::Vec3 f3 = tcu::Vec3(1.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); |
| |
| tcu::Vec3 v0 = p0 + (p1-p0)*f0; |
| tcu::Vec3 v1 = p0 + (p1-p0)*f1; |
| tcu::Vec3 v2 = p0 + (p1-p0)*f2; |
| tcu::Vec3 v3 = p0 + (p1-p0)*f3; |
| |
| dst.resize(4*3); |
| |
| dst[0] = v0.x(); dst[ 1] = v0.y(); dst[ 2] = v0.z(); |
| dst[3] = v1.x(); dst[ 4] = v1.y(); dst[ 5] = v1.z(); |
| dst[6] = v2.x(); dst[ 7] = v2.y(); dst[ 8] = v2.z(); |
| dst[9] = v3.x(); dst[10] = v3.y(); dst[11] = v3.z(); |
| } |
| |
| void computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face) |
| { |
| static const float texCoordNegX[] = |
| { |
| -1.0f, 1.0f, -1.0f, |
| -1.0f, -1.0f, -1.0f, |
| -1.0f, 1.0f, 1.0f, |
| -1.0f, -1.0f, 1.0f |
| }; |
| static const float texCoordPosX[] = |
| { |
| +1.0f, 1.0f, 1.0f, |
| +1.0f, -1.0f, 1.0f, |
| +1.0f, 1.0f, -1.0f, |
| +1.0f, -1.0f, -1.0f |
| }; |
| static const float texCoordNegY[] = |
| { |
| -1.0f, -1.0f, 1.0f, |
| -1.0f, -1.0f, -1.0f, |
| 1.0f, -1.0f, 1.0f, |
| 1.0f, -1.0f, -1.0f |
| }; |
| static const float texCoordPosY[] = |
| { |
| -1.0f, +1.0f, -1.0f, |
| -1.0f, +1.0f, 1.0f, |
| 1.0f, +1.0f, -1.0f, |
| 1.0f, +1.0f, 1.0f |
| }; |
| static const float texCoordNegZ[] = |
| { |
| 1.0f, 1.0f, -1.0f, |
| 1.0f, -1.0f, -1.0f, |
| -1.0f, 1.0f, -1.0f, |
| -1.0f, -1.0f, -1.0f |
| }; |
| static const float texCoordPosZ[] = |
| { |
| -1.0f, 1.0f, +1.0f, |
| -1.0f, -1.0f, +1.0f, |
| 1.0f, 1.0f, +1.0f, |
| 1.0f, -1.0f, +1.0f |
| }; |
| |
| const float* texCoord = DE_NULL; |
| int texCoordSize = DE_LENGTH_OF_ARRAY(texCoordNegX); |
| |
| switch (face) |
| { |
| case tcu::CUBEFACE_NEGATIVE_X: texCoord = texCoordNegX; break; |
| case tcu::CUBEFACE_POSITIVE_X: texCoord = texCoordPosX; break; |
| case tcu::CUBEFACE_NEGATIVE_Y: texCoord = texCoordNegY; break; |
| case tcu::CUBEFACE_POSITIVE_Y: texCoord = texCoordPosY; break; |
| case tcu::CUBEFACE_NEGATIVE_Z: texCoord = texCoordNegZ; break; |
| case tcu::CUBEFACE_POSITIVE_Z: texCoord = texCoordPosZ; break; |
| default: |
| DE_ASSERT(DE_FALSE); |
| return; |
| } |
| |
| dst.resize(texCoordSize); |
| std::copy(texCoord, texCoord+texCoordSize, dst.begin()); |
| } |
| |
| void computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) |
| { |
| int sRow = 0; |
| int tRow = 0; |
| int mRow = 0; |
| float sSign = 1.0f; |
| float tSign = 1.0f; |
| float mSign = 1.0f; |
| |
| switch (face) |
| { |
| case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; |
| case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; |
| default: |
| DE_ASSERT(DE_FALSE); |
| return; |
| } |
| |
| dst.resize(3*4); |
| |
| dst[0+mRow] = mSign; |
| dst[3+mRow] = mSign; |
| dst[6+mRow] = mSign; |
| dst[9+mRow] = mSign; |
| |
| dst[0+sRow] = sSign * bottomLeft.x(); |
| dst[3+sRow] = sSign * bottomLeft.x(); |
| dst[6+sRow] = sSign * topRight.x(); |
| dst[9+sRow] = sSign * topRight.x(); |
| |
| dst[0+tRow] = tSign * bottomLeft.y(); |
| dst[3+tRow] = tSign * topRight.y(); |
| dst[6+tRow] = tSign * bottomLeft.y(); |
| dst[9+tRow] = tSign * topRight.y(); |
| } |
| |
| void computeQuadTexCoordCubeArray (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight, const tcu::Vec2& layerRange) |
| { |
| int sRow = 0; |
| int tRow = 0; |
| int mRow = 0; |
| const int qRow = 3; |
| float sSign = 1.0f; |
| float tSign = 1.0f; |
| float mSign = 1.0f; |
| const float l0 = layerRange.x(); |
| const float l1 = layerRange.y(); |
| |
| switch (face) |
| { |
| case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; |
| case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; |
| case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; |
| default: |
| DE_ASSERT(DE_FALSE); |
| return; |
| } |
| |
| dst.resize(4*4); |
| |
| dst[ 0+mRow] = mSign; |
| dst[ 4+mRow] = mSign; |
| dst[ 8+mRow] = mSign; |
| dst[12+mRow] = mSign; |
| |
| dst[ 0+sRow] = sSign * bottomLeft.x(); |
| dst[ 4+sRow] = sSign * bottomLeft.x(); |
| dst[ 8+sRow] = sSign * topRight.x(); |
| dst[12+sRow] = sSign * topRight.x(); |
| |
| dst[ 0+tRow] = tSign * bottomLeft.y(); |
| dst[ 4+tRow] = tSign * topRight.y(); |
| dst[ 8+tRow] = tSign * bottomLeft.y(); |
| dst[12+tRow] = tSign * topRight.y(); |
| |
| if (l0 != l1) |
| { |
| dst[ 0+qRow] = l0; |
| dst[ 4+qRow] = l0*0.5f + l1*0.5f; |
| dst[ 8+qRow] = l0*0.5f + l1*0.5f; |
| dst[12+qRow] = l1; |
| } |
| else |
| { |
| dst[ 0+qRow] = l0; |
| dst[ 4+qRow] = l0; |
| dst[ 8+qRow] = l0; |
| dst[12+qRow] = l0; |
| } |
| } |
| |
| // Texture result verification |
| |
| //! Verifies texture lookup results and returns number of failed pixels. |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::Texture1DView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture1DView src = getEffectiveTextureView(getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel), srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const int srcSize = src.getWidth(); |
| |
| // Coordinates and lod per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const float coord = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); |
| const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * float(srcSize); |
| const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * float(srcSize); |
| |
| tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); |
| |
| // Compute lod bounds across lodOffsets range. |
| for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) |
| { |
| const float wxo = triWx + lodOffsets[lodOffsNdx].x(); |
| const float wyo = triWy + lodOffsets[lodOffsNdx].y(); |
| const float nxo = wxo/dstW; |
| const float nyo = wyo/dstH; |
| |
| const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * float(srcSize); |
| const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * float(srcSize); |
| const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); |
| |
| lodBounds.x() = de::min(lodBounds.x(), lodO.x()); |
| lodBounds.y() = de::max(lodBounds.y(), lodO.y()); |
| } |
| |
| const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); |
| const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); |
| |
| if (!isOk) |
| { |
| errorMask.setPixel(tcu::RGBA::red().toVec(), px, py); |
| numFailed += 1; |
| } |
| } |
| } |
| } |
| |
| return numFailed; |
| } |
| |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::Texture2DView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture2DView src = getEffectiveTextureView(getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel), srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); |
| |
| // Coordinates and lod per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| const float posEps = 1.0f / float(1<<MIN_SUBPIXEL_BITS); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const bool tri0 = (wx-posEps)/dstW + (wy-posEps)/dstH <= 1.0f; |
| const bool tri1 = (wx+posEps)/dstW + (wy+posEps)/dstH >= 1.0f; |
| |
| bool isOk = false; |
| |
| DE_ASSERT(tri0 || tri1); |
| |
| // Pixel can belong to either of the triangles if it lies close enough to the edge. |
| for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) |
| { |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); |
| const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); |
| const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); |
| |
| tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); |
| |
| // Compute lod bounds across lodOffsets range. |
| for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) |
| { |
| const float wxo = triWx + lodOffsets[lodOffsNdx].x(); |
| const float wyo = triWy + lodOffsets[lodOffsNdx].y(); |
| const float nxo = wxo/dstW; |
| const float nyo = wyo/dstH; |
| |
| const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), |
| triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); |
| const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), |
| triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); |
| const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); |
| |
| lodBounds.x() = de::min(lodBounds.x(), lodO.x()); |
| lodBounds.y() = de::max(lodBounds.y(), lodO.y()); |
| } |
| |
| const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); |
| if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) |
| { |
| isOk = true; |
| break; |
| } |
| } |
| |
| if (!isOk) |
| { |
| errorMask.setPixel(tcu::RGBA::red().toVec(), px, py); |
| numFailed += 1; |
| } |
| } |
| } |
| } |
| |
| return numFailed; |
| } |
| |
| bool verifyTextureResult (tcu::TestContext& testCtx, |
| const tcu::ConstPixelBufferAccess& result, |
| const tcu::Texture1DView& src, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| const tcu::PixelFormat& pixelFormat) |
| { |
| tcu::TestLog& log = testCtx.getLog(); |
| tcu::Surface reference (result.getWidth(), result.getHeight()); |
| tcu::Surface errorMask (result.getWidth(), result.getHeight()); |
| int numFailedPixels; |
| |
| DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); |
| |
| sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); |
| numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); |
| |
| if (numFailedPixels > 0) |
| log << tcu::TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << tcu::TestLog::EndMessage; |
| |
| log << tcu::TestLog::ImageSet("VerifyResult", "Verification result") |
| << tcu::TestLog::Image("Rendered", "Rendered image", result); |
| |
| if (numFailedPixels > 0) |
| { |
| log << tcu::TestLog::Image("Reference", "Ideal reference image", reference) |
| << tcu::TestLog::Image("ErrorMask", "Error mask", errorMask); |
| } |
| |
| log << tcu::TestLog::EndImageSet; |
| |
| return numFailedPixels == 0; |
| } |
| |
| bool verifyTextureResult (tcu::TestContext& testCtx, |
| const tcu::ConstPixelBufferAccess& result, |
| const tcu::Texture2DView& src, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| const tcu::PixelFormat& pixelFormat) |
| { |
| tcu::TestLog& log = testCtx.getLog(); |
| tcu::Surface reference (result.getWidth(), result.getHeight()); |
| tcu::Surface errorMask (result.getWidth(), result.getHeight()); |
| int numFailedPixels; |
| |
| DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); |
| |
| sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); |
| numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); |
| |
| if (numFailedPixels > 0) |
| log << tcu::TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << tcu::TestLog::EndMessage; |
| |
| log << tcu::TestLog::ImageSet("VerifyResult", "Verification result") |
| << tcu::TestLog::Image("Rendered", "Rendered image", result); |
| |
| if (numFailedPixels > 0) |
| { |
| log << tcu::TestLog::Image("Reference", "Ideal reference image", reference) |
| << tcu::TestLog::Image("ErrorMask", "Error mask", errorMask); |
| } |
| |
| log << tcu::TestLog::EndImageSet; |
| |
| return numFailedPixels == 0; |
| } |
| |
| //! Verifies texture lookup results and returns number of failed pixels. |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::TextureCubeView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::TextureCubeView src = getEffectiveTextureView(getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel), srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const int srcSize = src.getSize(); |
| |
| // Coordinates per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| const float posEps = 1.0f / float(1<<MIN_SUBPIXEL_BITS); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| |
| // \note Not strictly allowed by spec, but implementations do this in practice. |
| tcu::Vec2(-1, -1), |
| tcu::Vec2(-1, +1), |
| tcu::Vec2(+1, -1), |
| tcu::Vec2(+1, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const bool tri0 = (wx-posEps)/dstW + (wy-posEps)/dstH <= 1.0f; |
| const bool tri1 = (wx+posEps)/dstW + (wy+posEps)/dstH >= 1.0f; |
| |
| bool isOk = false; |
| |
| DE_ASSERT(tri0 || tri1); |
| |
| // Pixel can belong to either of the triangles if it lies close enough to the edge. |
| for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) |
| { |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); |
| const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); |
| const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); |
| |
| tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord, coordDx, coordDy, srcSize, lodPrec); |
| |
| // Compute lod bounds across lodOffsets range. |
| for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) |
| { |
| const float wxo = triWx + lodOffsets[lodOffsNdx].x(); |
| const float wyo = triWy + lodOffsets[lodOffsNdx].y(); |
| const float nxo = wxo/dstW; |
| const float nyo = wyo/dstH; |
| |
| const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), |
| projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); |
| const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), |
| triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), |
| triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); |
| const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), |
| triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), |
| triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); |
| const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); |
| |
| lodBounds.x() = de::min(lodBounds.x(), lodO.x()); |
| lodBounds.y() = de::max(lodBounds.y(), lodO.y()); |
| } |
| |
| const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); |
| |
| if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) |
| { |
| isOk = true; |
| break; |
| } |
| } |
| |
| if (!isOk) |
| { |
| errorMask.setPixel(tcu::RGBA::red().toVec(), px, py); |
| numFailed += 1; |
| } |
| } |
| } |
| } |
| |
| return numFailed; |
| } |
| |
| bool verifyTextureResult (tcu::TestContext& testCtx, |
| const tcu::ConstPixelBufferAccess& result, |
| const tcu::TextureCubeView& src, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| const tcu::PixelFormat& pixelFormat) |
| { |
| tcu::TestLog& log = testCtx.getLog(); |
| tcu::Surface reference (result.getWidth(), result.getHeight()); |
| tcu::Surface errorMask (result.getWidth(), result.getHeight()); |
| int numFailedPixels; |
| |
| DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); |
| |
| sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); |
| numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); |
| |
| if (numFailedPixels > 0) |
| log << tcu::TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << tcu::TestLog::EndMessage; |
| |
| log << tcu::TestLog::ImageSet("VerifyResult", "Verification result") |
| << tcu::TestLog::Image("Rendered", "Rendered image", result); |
| |
| if (numFailedPixels > 0) |
| { |
| log << tcu::TestLog::Image("Reference", "Ideal reference image", reference) |
| << tcu::TestLog::Image("ErrorMask", "Error mask", errorMask); |
| } |
| |
| log << tcu::TestLog::EndImageSet; |
| |
| return numFailedPixels == 0; |
| } |
| |
| //! Verifies texture lookup results and returns number of failed pixels. |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::Texture3DView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture3DView src = getEffectiveTextureView(getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel), srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); |
| |
| // Coordinates and lod per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| const float posEps = 1.0f / float(1<<MIN_SUBPIXEL_BITS); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const bool tri0 = (wx-posEps)/dstW + (wy-posEps)/dstH <= 1.0f; |
| const bool tri1 = (wx+posEps)/dstW + (wy+posEps)/dstH >= 1.0f; |
| |
| bool isOk = false; |
| |
| DE_ASSERT(tri0 || tri1); |
| |
| // Pixel can belong to either of the triangles if it lies close enough to the edge. |
| for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) |
| { |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); |
| const tcu::Vec3 coordDx = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); |
| const tcu::Vec3 coordDy = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); |
| |
| tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDx.z(), coordDy.x(), coordDy.y(), coordDy.z(), lodPrec); |
| |
| // Compute lod bounds across lodOffsets range. |
| for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) |
| { |
| const float wxo = triWx + lodOffsets[lodOffsNdx].x(); |
| const float wyo = triWy + lodOffsets[lodOffsNdx].y(); |
| const float nxo = wxo/dstW; |
| const float nyo = wyo/dstH; |
| |
| const tcu::Vec3 coordDxo = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), |
| triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), |
| triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); |
| const tcu::Vec3 coordDyo = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), |
| triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), |
| triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); |
| const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDxo.z(), coordDyo.x(), coordDyo.y(), coordDyo.z(), lodPrec); |
| |
| lodBounds.x() = de::min(lodBounds.x(), lodO.x()); |
| lodBounds.y() = de::max(lodBounds.y(), lodO.y()); |
| } |
| |
| const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); |
| |
| if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) |
| { |
| isOk = true; |
| break; |
| } |
| } |
| |
| if (!isOk) |
| { |
| errorMask.setPixel(tcu::RGBA::red().toVec(), px, py); |
| numFailed += 1; |
| } |
| } |
| } |
| } |
| |
| return numFailed; |
| } |
| |
| bool verifyTextureResult (tcu::TestContext& testCtx, |
| const tcu::ConstPixelBufferAccess& result, |
| const tcu::Texture3DView& src, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| const tcu::PixelFormat& pixelFormat) |
| { |
| tcu::TestLog& log = testCtx.getLog(); |
| tcu::Surface reference (result.getWidth(), result.getHeight()); |
| tcu::Surface errorMask (result.getWidth(), result.getHeight()); |
| int numFailedPixels; |
| |
| DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); |
| |
| sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); |
| numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); |
| |
| if (numFailedPixels > 0) |
| log << tcu::TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << tcu::TestLog::EndMessage; |
| |
| log << tcu::TestLog::ImageSet("VerifyResult", "Verification result") |
| << tcu::TestLog::Image("Rendered", "Rendered image", result); |
| |
| if (numFailedPixels > 0) |
| { |
| log << tcu::TestLog::Image("Reference", "Ideal reference image", reference) |
| << tcu::TestLog::Image("ErrorMask", "Error mask", errorMask); |
| } |
| |
| log << tcu::TestLog::EndImageSet; |
| |
| return numFailedPixels == 0; |
| } |
| |
| //! Verifies texture lookup results and returns number of failed pixels. |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::Texture1DArrayView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture1DArrayView src = getEffectiveTextureView(baseView, srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const float srcSize = float(src.getWidth()); // For lod computation, thus #layers is ignored. |
| |
| // Coordinates and lod per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); |
| const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * srcSize; |
| const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * srcSize; |
| |
| tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); |
| |
| // Compute lod bounds across lodOffsets range. |
| for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) |
| { |
| const float wxo = triWx + lodOffsets[lodOffsNdx].x(); |
| const float wyo = triWy + lodOffsets[lodOffsNdx].y(); |
| const float nxo = wxo/dstW; |
| const float nyo = wyo/dstH; |
| |
| const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * srcSize; |
| const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * srcSize; |
| const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); |
| |
| lodBounds.x() = de::min(lodBounds.x(), lodO.x()); |
| lodBounds.y() = de::max(lodBounds.y(), lodO.y()); |
| } |
| |
| const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); |
| const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); |
| |
| if (!isOk) |
| { |
| errorMask.setPixel(tcu::RGBA::red().toVec(), px, py); |
| numFailed += 1; |
| } |
| } |
| } |
| } |
| |
| return numFailed; |
| } |
| |
| //! Verifies texture lookup results and returns number of failed pixels. |
| int computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, |
| const tcu::ConstPixelBufferAccess& reference, |
| const tcu::PixelBufferAccess& errorMask, |
| const tcu::Texture2DArrayView& baseView, |
| const float* texCoord, |
| const ReferenceParams& sampleParams, |
| const tcu::LookupPrecision& lookupPrec, |
| const tcu::LodPrecision& lodPrec, |
| qpWatchDog* watchDog) |
| { |
| DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); |
| DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); |
| |
| std::vector<tcu::ConstPixelBufferAccess> srcLevelStorage; |
| const tcu::Texture2DArrayView src = getEffectiveTextureView(baseView, srcLevelStorage, sampleParams.sampler); |
| |
| const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); |
| const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); |
| const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); |
| |
| const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); |
| const float dstW = float(dstSize.x()); |
| const float dstH = float(dstSize.y()); |
| const tcu::Vec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()).asFloat(); // For lod computation, thus #layers is ignored. |
| |
| // Coordinates and lod per triangle. |
| const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; |
| const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; |
| |
| const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); |
| |
| int numFailed = 0; |
| |
| const tcu::Vec2 lodOffsets[] = |
| { |
| tcu::Vec2(-1, 0), |
| tcu::Vec2(+1, 0), |
| tcu::Vec2( 0, -1), |
| tcu::Vec2( 0, +1), |
| }; |
| |
| tcu::clear(errorMask, tcu::RGBA::green().toVec()); |
| |
| for (int py = 0; py < result.getHeight(); py++) |
| { |
| // Ugly hack, validation can take way too long at the moment. |
| if (watchDog) |
| qpWatchDog_touch(watchDog); |
| |
| for (int px = 0; px < result.getWidth(); px++) |
| { |
| const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; |
| |
| // Try comparison to ideal reference first, and if that fails use slower verificator. |
| if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) |
| { |
| const float wx = (float)px + 0.5f; |
| const float wy = (float)py + 0.5f; |
| const float nx = wx / dstW; |
| const float ny = wy / dstH; |
| |
| const int triNdx = nx + ny >= 1.0f ? 1 : 0; |
| const float triWx = triNdx ? dstW - wx : wx; |
| const float triWy = triNdx ? dstH - wy : wy; |
| const float triNx = triNdx ? 1.0f - nx : nx; |
| const float triNy = triNdx ? 1.0f - ny : ny; |
| |
| const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), |
| projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); |
| const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), |
| triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize; |
| const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), |
| triDerivateY(triT[triNdx], triW[triNdx], wy, dstH |