Refactor GLSL type determination code.
This Cl cleanups and simplifies the type determination for the GLSL imports. Change-Id: I9dd85ac390ef37c91d9493f840f81ceb6736fc06 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22820 Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
dan sinclair
dan sinclair
parent
b0d308c9fe
commit
53352044df
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@ -617,16 +617,6 @@ bool TypeDeterminer::DetermineUnaryOp(ast::UnaryOpExpression* expr) {
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return true;
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}
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ast::type::Type* TypeDeterminer::GetImportData(
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const Source& source,
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const std::string& path,
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const std::string& name,
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const ast::ExpressionList& params,
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uint32_t* id) {
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if (path != "GLSL.std.450") {
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return nullptr;
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}
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// Most of these are floating-point general except the below which are only
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// FP16 and FP32. We only have FP32 at this point so the below works, if we
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// get FP64 support or otherwise we'll need to differentiate.
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@ -638,186 +628,128 @@ ast::type::Type* TypeDeterminer::GetImportData(
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// * asinh, acosh, atanh
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// * exp, exp2
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// * log, log2
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enum class GlslDataType { kFloatScalarOrVector, kIntScalarOrVector };
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struct GlslData {
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const char* name;
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uint8_t param_count;
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uint32_t op_id;
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GlslDataType type;
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};
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if (name == "round" || name == "roundeven" || name == "trunc" ||
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name == "fabs" || name == "fsign" || name == "floor" || name == "ceil" ||
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name == "fract" || name == "radians" || name == "degrees" ||
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name == "sin" || name == "cos" || name == "tan" || name == "asin" ||
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name == "acos" || name == "atan" || name == "sinh" || name == "cosh" ||
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name == "tanh" || name == "asinh" || name == "acosh" || name == "atanh" ||
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name == "exp" || name == "log" || name == "exp2" || name == "log2" ||
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name == "sqrt" || name == "inversesqrt" || name == "normalize" ||
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name == "length") {
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if (params.size() != 1) {
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constexpr const GlslData kGlslData[] = {
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{"acos", 1, GLSLstd450Acos, GlslDataType::kFloatScalarOrVector},
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{"acosh", 1, GLSLstd450Acosh, GlslDataType::kFloatScalarOrVector},
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{"asin", 1, GLSLstd450Asin, GlslDataType::kFloatScalarOrVector},
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{"asinh", 1, GLSLstd450Asinh, GlslDataType::kFloatScalarOrVector},
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{"atan", 1, GLSLstd450Atan, GlslDataType::kFloatScalarOrVector},
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{"atan2", 2, GLSLstd450Atan2, GlslDataType::kFloatScalarOrVector},
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{"atanh", 1, GLSLstd450Atanh, GlslDataType::kFloatScalarOrVector},
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{"ceil", 1, GLSLstd450Ceil, GlslDataType::kFloatScalarOrVector},
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{"cos", 1, GLSLstd450Cos, GlslDataType::kFloatScalarOrVector},
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{"cosh", 1, GLSLstd450Cosh, GlslDataType::kFloatScalarOrVector},
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{"degrees", 1, GLSLstd450Degrees, GlslDataType::kFloatScalarOrVector},
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{"distance", 2, GLSLstd450Distance, GlslDataType::kFloatScalarOrVector},
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{"exp", 1, GLSLstd450Exp, GlslDataType::kFloatScalarOrVector},
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{"exp2", 1, GLSLstd450Exp2, GlslDataType::kFloatScalarOrVector},
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{"fabs", 1, GLSLstd450FAbs, GlslDataType::kFloatScalarOrVector},
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{"faceforward", 3, GLSLstd450FaceForward,
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GlslDataType::kFloatScalarOrVector},
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{"fclamp", 3, GLSLstd450FClamp, GlslDataType::kFloatScalarOrVector},
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{"floor", 1, GLSLstd450Floor, GlslDataType::kFloatScalarOrVector},
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{"fma", 3, GLSLstd450Fma, GlslDataType::kFloatScalarOrVector},
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{"fmax", 2, GLSLstd450FMax, GlslDataType::kFloatScalarOrVector},
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{"fmin", 2, GLSLstd450FMin, GlslDataType::kFloatScalarOrVector},
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{"fmix", 3, GLSLstd450FMix, GlslDataType::kFloatScalarOrVector},
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{"fract", 1, GLSLstd450Fract, GlslDataType::kFloatScalarOrVector},
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{"fsign", 1, GLSLstd450FSign, GlslDataType::kFloatScalarOrVector},
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{"inversesqrt", 1, GLSLstd450InverseSqrt,
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GlslDataType::kFloatScalarOrVector},
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{"length", 1, GLSLstd450Length, GlslDataType::kFloatScalarOrVector},
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{"log", 1, GLSLstd450Log, GlslDataType::kFloatScalarOrVector},
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{"log2", 1, GLSLstd450Log2, GlslDataType::kFloatScalarOrVector},
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{"nclamp", 3, GLSLstd450NClamp, GlslDataType::kFloatScalarOrVector},
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{"nmax", 2, GLSLstd450NMax, GlslDataType::kFloatScalarOrVector},
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{"nmin", 2, GLSLstd450NMin, GlslDataType::kFloatScalarOrVector},
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{"normalize", 1, GLSLstd450Normalize, GlslDataType::kFloatScalarOrVector},
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{"pow", 2, GLSLstd450Pow, GlslDataType::kFloatScalarOrVector},
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{"radians", 1, GLSLstd450Radians, GlslDataType::kFloatScalarOrVector},
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{"reflect", 2, GLSLstd450Reflect, GlslDataType::kFloatScalarOrVector},
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{"round", 1, GLSLstd450Round, GlslDataType::kFloatScalarOrVector},
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{"roundeven", 1, GLSLstd450RoundEven, GlslDataType::kFloatScalarOrVector},
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{"sin", 1, GLSLstd450Sin, GlslDataType::kFloatScalarOrVector},
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{"sinh", 1, GLSLstd450Sinh, GlslDataType::kFloatScalarOrVector},
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{"smoothstep", 3, GLSLstd450SmoothStep, GlslDataType::kFloatScalarOrVector},
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{"sqrt", 1, GLSLstd450Sqrt, GlslDataType::kFloatScalarOrVector},
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{"step", 2, GLSLstd450Step, GlslDataType::kFloatScalarOrVector},
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{"tan", 1, GLSLstd450Tan, GlslDataType::kFloatScalarOrVector},
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{"tanh", 1, GLSLstd450Tanh, GlslDataType::kFloatScalarOrVector},
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{"trunc", 1, GLSLstd450Trunc, GlslDataType::kFloatScalarOrVector},
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};
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constexpr const uint32_t kGlslDataCount = sizeof(kGlslData) / sizeof(GlslData);
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ast::type::Type* TypeDeterminer::GetImportData(
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const Source& source,
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const std::string& path,
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const std::string& name,
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const ast::ExpressionList& params,
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uint32_t* id) {
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if (path != "GLSL.std.450") {
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return nullptr;
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}
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const GlslData* data = nullptr;
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for (uint32_t i = 0; i < kGlslDataCount; ++i) {
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if (name == kGlslData[i].name) {
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data = &kGlslData[i];
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break;
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}
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}
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if (data == nullptr) {
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return nullptr;
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}
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if (params.size() != data->param_count) {
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set_error(source, "incorrect number of parameters for " + name +
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". Expected 1 got " +
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std::to_string(params.size()));
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". Expected " + std::to_string(data->param_count) +
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" got " + std::to_string(params.size()));
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return nullptr;
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}
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auto* result_type = params[0]->result_type()->UnwrapPtrIfNeeded();
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if (!result_type->is_float_scalar_or_vector()) {
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set_error(source, "incorrect type for " + name +
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". Requires a float scalar or a float vector");
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std::vector<ast::type::Type*> result_types;
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for (uint32_t i = 0; i < data->param_count; ++i) {
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result_types.push_back(params[i]->result_type()->UnwrapPtrIfNeeded());
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switch (data->type) {
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case GlslDataType::kFloatScalarOrVector:
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if (!result_types.back()->is_float_scalar_or_vector()) {
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set_error(source, "incorrect type for " + name + ". " +
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"Requires float scalar or float vector values");
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return nullptr;
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}
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if (name == "round") {
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*id = GLSLstd450Round;
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} else if (name == "roundeven") {
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*id = GLSLstd450RoundEven;
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} else if (name == "trunc") {
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*id = GLSLstd450Trunc;
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} else if (name == "fabs") {
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*id = GLSLstd450FAbs;
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} else if (name == "fsign") {
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*id = GLSLstd450FSign;
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} else if (name == "floor") {
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*id = GLSLstd450Floor;
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} else if (name == "ceil") {
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*id = GLSLstd450Ceil;
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} else if (name == "fract") {
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*id = GLSLstd450Fract;
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} else if (name == "radians") {
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*id = GLSLstd450Radians;
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} else if (name == "degrees") {
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*id = GLSLstd450Degrees;
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} else if (name == "sin") {
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*id = GLSLstd450Sin;
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} else if (name == "cos") {
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*id = GLSLstd450Cos;
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} else if (name == "tan") {
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*id = GLSLstd450Tan;
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} else if (name == "asin") {
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*id = GLSLstd450Asin;
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} else if (name == "acos") {
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*id = GLSLstd450Acos;
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} else if (name == "atan") {
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*id = GLSLstd450Atan;
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} else if (name == "sinh") {
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*id = GLSLstd450Sinh;
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} else if (name == "cosh") {
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*id = GLSLstd450Cosh;
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} else if (name == "tanh") {
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*id = GLSLstd450Tanh;
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} else if (name == "asinh") {
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*id = GLSLstd450Asinh;
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} else if (name == "acosh") {
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*id = GLSLstd450Acosh;
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} else if (name == "atanh") {
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*id = GLSLstd450Atanh;
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} else if (name == "exp") {
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*id = GLSLstd450Exp;
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} else if (name == "log") {
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*id = GLSLstd450Log;
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} else if (name == "exp2") {
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*id = GLSLstd450Exp2;
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} else if (name == "log2") {
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*id = GLSLstd450Log2;
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} else if (name == "sqrt") {
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*id = GLSLstd450Sqrt;
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} else if (name == "inversesqrt") {
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*id = GLSLstd450InverseSqrt;
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} else if (name == "normalize") {
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*id = GLSLstd450Normalize;
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} else if (name == "length") {
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*id = GLSLstd450Length;
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// Length returns a scalar of the same type as the parameter.
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return result_type->is_float_scalar() ? result_type
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: result_type->AsVector()->type();
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break;
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case GlslDataType::kIntScalarOrVector:
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break;
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}
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}
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return result_type;
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} else if (name == "atan2" || name == "pow" || name == "fmin" ||
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name == "fmax" || name == "step" || name == "reflect" ||
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name == "nmin" || name == "nmax" || name == "distance") {
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if (params.size() != 2) {
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error_ = "incorrect number of parameters for " + name +
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". Expected 2 got " + std::to_string(params.size());
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return nullptr;
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}
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auto* result_type_0 = params[0]->result_type()->UnwrapPtrIfNeeded();
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auto* result_type_1 = params[1]->result_type()->UnwrapPtrIfNeeded();
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if (!result_type_0->is_float_scalar_or_vector() ||
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!result_type_1->is_float_scalar_or_vector()) {
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error_ = "incorrect type for " + name +
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". Requires float scalar or a float vector values";
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return nullptr;
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}
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if (result_type_0 != result_type_1) {
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// Verify all the parameter types match
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for (size_t i = 1; i < data->param_count; ++i) {
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if (result_types[0] != result_types[i]) {
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error_ = "mismatched parameter types for " + name;
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return nullptr;
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}
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if (name == "atan2") {
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*id = GLSLstd450Atan2;
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} else if (name == "pow") {
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*id = GLSLstd450Pow;
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} else if (name == "fmin") {
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*id = GLSLstd450FMin;
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} else if (name == "fmax") {
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*id = GLSLstd450FMax;
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} else if (name == "step") {
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*id = GLSLstd450Step;
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} else if (name == "reflect") {
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*id = GLSLstd450Reflect;
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} else if (name == "nmin") {
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*id = GLSLstd450NMin;
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} else if (name == "nmax") {
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*id = GLSLstd450NMax;
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} else if (name == "distance") {
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*id = GLSLstd450Distance;
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// Distance returns a scalar of the same type as the parameter.
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return result_type_0->is_float_scalar()
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? result_type_0
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: result_type_0->AsVector()->type();
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}
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return result_type_0;
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} else if (name == "fclamp" || name == "fmix" || name == "smoothstep" ||
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name == "fma" || name == "nclamp" || name == "faceforward") {
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if (params.size() != 3) {
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error_ = "incorrect number of parameters for " + name +
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". Expected 3 got " + std::to_string(params.size());
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return nullptr;
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}
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*id = data->op_id;
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auto* result_type_0 = params[0]->result_type()->UnwrapPtrIfNeeded();
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auto* result_type_1 = params[1]->result_type()->UnwrapPtrIfNeeded();
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auto* result_type_2 = params[2]->result_type()->UnwrapPtrIfNeeded();
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if (!result_type_0->is_float_scalar_or_vector() ||
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!result_type_1->is_float_scalar_or_vector() ||
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!result_type_2->is_float_scalar_or_vector()) {
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error_ = "incorrect type for " + name +
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". Requires float scalar or a float vector values";
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return nullptr;
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// Handle functions which aways return the type, even if a vector is provided.
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if (name == "length" || name == "distance") {
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return result_types[0]->is_float_scalar()
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? result_types[0]
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: result_types[0]->AsVector()->type();
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}
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if (result_type_0 != result_type_1 || result_type_0 != result_type_2) {
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error_ = "mismatched parameter types for " + name;
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return nullptr;
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}
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if (name == "fclamp") {
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*id = GLSLstd450FClamp;
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} else if (name == "fmix") {
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*id = GLSLstd450FMix;
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} else if (name == "smoothstep") {
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*id = GLSLstd450SmoothStep;
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} else if (name == "fma") {
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*id = GLSLstd450Fma;
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} else if (name == "nclamp") {
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*id = GLSLstd450NClamp;
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} else if (name == "faceforward") {
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*id = GLSLstd450FaceForward;
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}
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return result_type_0;
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}
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return nullptr;
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return result_types[0];
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}
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} // namespace tint
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@ -1787,8 +1787,9 @@ TEST_P(ImportData_SingleParamTest, Error_Integer) {
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auto* type =
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td()->GetImportData({0, 0}, "GLSL.std.450", param.name, params, &id);
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ASSERT_EQ(type, nullptr);
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EXPECT_EQ(td()->error(), std::string("incorrect type for ") + param.name +
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". Requires a float scalar or a float vector");
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EXPECT_EQ(td()->error(),
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std::string("incorrect type for ") + param.name +
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". Requires float scalar or float vector values");
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}
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TEST_P(ImportData_SingleParamTest, Error_NoParams) {
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@ -1914,9 +1915,9 @@ TEST_F(TypeDeterminerTest, ImportData_Length_Error_Integer) {
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auto* type =
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td()->GetImportData({0, 0}, "GLSL.std.450", "length", params, &id);
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ASSERT_EQ(type, nullptr);
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EXPECT_EQ(
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td()->error(),
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"incorrect type for length. Requires a float scalar or a float vector");
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EXPECT_EQ(td()->error(),
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"incorrect type for length. Requires float scalar or float vector "
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"values");
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}
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TEST_F(TypeDeterminerTest, ImportData_Length_Error_NoParams) {
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@ -2030,7 +2031,7 @@ TEST_P(ImportData_TwoParamTest, Error_Integer) {
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ASSERT_EQ(type, nullptr);
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EXPECT_EQ(td()->error(),
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std::string("incorrect type for ") + param.name +
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". Requires float scalar or a float vector values");
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". Requires float scalar or float vector values");
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}
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TEST_P(ImportData_TwoParamTest, Error_NoParams) {
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@ -2234,7 +2235,7 @@ TEST_F(TypeDeterminerTest, ImportData_Distance_Error_Integer) {
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td()->GetImportData({0, 0}, "GLSL.std.450", "distance", params, &id);
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ASSERT_EQ(type, nullptr);
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EXPECT_EQ(td()->error(),
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"incorrect type for distance. Requires float scalar or a float "
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"incorrect type for distance. Requires float scalar or float "
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"vector values");
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}
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@ -2440,7 +2441,7 @@ TEST_P(ImportData_ThreeParamTest, Error_Integer) {
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ASSERT_EQ(type, nullptr);
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EXPECT_EQ(td()->error(),
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std::string("incorrect type for ") + param.name +
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". Requires float scalar or a float vector values");
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". Requires float scalar or float vector values");
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}
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TEST_P(ImportData_ThreeParamTest, Error_NoParams) {
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