/*
 * This file is part of libplacebo.
 *
 * libplacebo is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * libplacebo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with libplacebo. If not, see <http://www.gnu.org/licenses/>.
 */

#include "glslang.h"

// Taken from glslang's examples, which apparently generally bases the choices
// on OpenGL specification limits
//
// Note: This lives in a separate file so we can compile this struct using C99
// designated initializers instead of using C++ struct initializers, because
// the latter will break on every upstream struct extension.
const TBuiltInResource DefaultTBuiltInResource = {
    .maxLights = 32,
    .maxClipPlanes = 6,
    .maxTextureUnits = 32,
    .maxTextureCoords = 32,
    .maxVertexAttribs = 64,
    .maxVertexUniformComponents = 4096,
    .maxVaryingFloats = 64,
    .maxVertexTextureImageUnits = 32,
    .maxCombinedTextureImageUnits = 80,
    .maxTextureImageUnits = 32,
    .maxFragmentUniformComponents = 4096,
    .maxDrawBuffers = 32,
    .maxVertexUniformVectors = 128,
    .maxVaryingVectors = 8,
    .maxFragmentUniformVectors = 16,
    .maxVertexOutputVectors = 16,
    .maxFragmentInputVectors = 15,
    .minProgramTexelOffset = -8,
    .maxProgramTexelOffset = 7,
    .maxClipDistances = 8,
    .maxComputeWorkGroupCountX = 65535,
    .maxComputeWorkGroupCountY = 65535,
    .maxComputeWorkGroupCountZ = 65535,
    .maxComputeWorkGroupSizeX = 1024,
    .maxComputeWorkGroupSizeY = 1024,
    .maxComputeWorkGroupSizeZ = 64,
    .maxComputeUniformComponents = 1024,
    .maxComputeTextureImageUnits = 16,
    .maxComputeImageUniforms = 8,
    .maxComputeAtomicCounters = 8,
    .maxComputeAtomicCounterBuffers = 1,
    .maxVaryingComponents = 60,
    .maxVertexOutputComponents = 64,
    .maxGeometryInputComponents = 64,
    .maxGeometryOutputComponents = 128,
    .maxFragmentInputComponents = 128,
    .maxImageUnits = 8,
    .maxCombinedImageUnitsAndFragmentOutputs = 8,
    .maxCombinedShaderOutputResources = 8,
    .maxImageSamples = 0,
    .maxVertexImageUniforms = 0,
    .maxTessControlImageUniforms = 0,
    .maxTessEvaluationImageUniforms = 0,
    .maxGeometryImageUniforms = 0,
    .maxFragmentImageUniforms = 8,
    .maxCombinedImageUniforms = 8,
    .maxGeometryTextureImageUnits = 16,
    .maxGeometryOutputVertices = 256,
    .maxGeometryTotalOutputComponents = 1024,
    .maxGeometryUniformComponents = 1024,
    .maxGeometryVaryingComponents = 64,
    .maxTessControlInputComponents = 128,
    .maxTessControlOutputComponents = 128,
    .maxTessControlTextureImageUnits = 16,
    .maxTessControlUniformComponents = 1024,
    .maxTessControlTotalOutputComponents = 4096,
    .maxTessEvaluationInputComponents = 128,
    .maxTessEvaluationOutputComponents = 128,
    .maxTessEvaluationTextureImageUnits = 16,
    .maxTessEvaluationUniformComponents = 1024,
    .maxTessPatchComponents = 120,
    .maxPatchVertices = 32,
    .maxTessGenLevel = 64,
    .maxViewports = 16,
    .maxVertexAtomicCounters = 0,
    .maxTessControlAtomicCounters = 0,
    .maxTessEvaluationAtomicCounters = 0,
    .maxGeometryAtomicCounters = 0,
    .maxFragmentAtomicCounters = 8,
    .maxCombinedAtomicCounters = 8,
    .maxAtomicCounterBindings = 1,
    .maxVertexAtomicCounterBuffers = 0,
    .maxTessControlAtomicCounterBuffers = 0,
    .maxTessEvaluationAtomicCounterBuffers = 0,
    .maxGeometryAtomicCounterBuffers = 0,
    .maxFragmentAtomicCounterBuffers = 1,
    .maxCombinedAtomicCounterBuffers = 1,
    .maxAtomicCounterBufferSize = 16384,
    .maxTransformFeedbackBuffers = 4,
    .maxTransformFeedbackInterleavedComponents = 64,
    .maxCullDistances = 8,
    .maxCombinedClipAndCullDistances = 8,
    .maxSamples = 4,
    .maxMeshOutputVerticesNV = 256,
    .maxMeshOutputPrimitivesNV = 512,
    .maxMeshWorkGroupSizeX_NV = 32,
    .maxMeshWorkGroupSizeY_NV = 1,
    .maxMeshWorkGroupSizeZ_NV = 1,
    .maxTaskWorkGroupSizeX_NV = 32,
    .maxTaskWorkGroupSizeY_NV = 1,
    .maxTaskWorkGroupSizeZ_NV = 1,
    .maxMeshViewCountNV = 4,
    .maxDualSourceDrawBuffersEXT = 1,

    .limits = {
        .nonInductiveForLoops = 1,
        .whileLoops = 1,
        .doWhileLoops = 1,
        .generalUniformIndexing = 1,
        .generalAttributeMatrixVectorIndexing = 1,
        .generalVaryingIndexing = 1,
        .generalSamplerIndexing = 1,
        .generalVariableIndexing = 1,
        .generalConstantMatrixVectorIndexing = 1,
    },
};