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-rw-r--r--src/3rdparty/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.cpp130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.cpp b/src/3rdparty/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.cpp
deleted file mode 100644
index 790974a2bf..0000000000
--- a/src/3rdparty/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.cpp
+++ /dev/null
@@ -1,130 +0,0 @@
-//
-// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-
-#include "compiler/translator/InfoSink.h"
-#include "compiler/translator/ParseContext.h"
-#include "compiler/translator/depgraph/DependencyGraphOutput.h"
-#include "compiler/translator/timing/RestrictFragmentShaderTiming.h"
-
-RestrictFragmentShaderTiming::RestrictFragmentShaderTiming(TInfoSinkBase& sink)
- : mSink(sink)
- , mNumErrors(0)
-{
- // Sampling ops found only in fragment shaders.
- mSamplingOps.insert("texture2D(s21;vf2;f1;");
- mSamplingOps.insert("texture2DProj(s21;vf3;f1;");
- mSamplingOps.insert("texture2DProj(s21;vf4;f1;");
- mSamplingOps.insert("textureCube(sC1;vf3;f1;");
- // Sampling ops found in both vertex and fragment shaders.
- mSamplingOps.insert("texture2D(s21;vf2;");
- mSamplingOps.insert("texture2DProj(s21;vf3;");
- mSamplingOps.insert("texture2DProj(s21;vf4;");
- mSamplingOps.insert("textureCube(sC1;vf3;");
- // Sampling ops provided by OES_EGL_image_external.
- mSamplingOps.insert("texture2D(1;vf2;");
- mSamplingOps.insert("texture2DProj(1;vf3;");
- mSamplingOps.insert("texture2DProj(1;vf4;");
- // Sampling ops provided by ARB_texture_rectangle.
- mSamplingOps.insert("texture2DRect(1;vf2;");
- mSamplingOps.insert("texture2DRectProj(1;vf3;");
- mSamplingOps.insert("texture2DRectProj(1;vf4;");
- // Sampling ops provided by EXT_shader_texture_lod.
- mSamplingOps.insert("texture2DLodEXT(1;vf2;f1;");
- mSamplingOps.insert("texture2DProjLodEXT(1;vf3;f1;");
- mSamplingOps.insert("texture2DProjLodEXT(1;vf4;f1;");
- mSamplingOps.insert("textureCubeLodEXT(1;vf4;f1;");
- mSamplingOps.insert("texture2DGradEXT(1;vf2;vf2;vf2;");
- mSamplingOps.insert("texture2DProjGradEXT(1;vf3;vf2;vf2;");
- mSamplingOps.insert("texture2DProjGradEXT(1;vf4;vf2;vf2;");
- mSamplingOps.insert("textureCubeGradEXT(1;vf3;vf3;vf3;");
-}
-
-// FIXME(mvujovic): We do not know if the execution time of built-in operations like sin, pow, etc.
-// can vary based on the value of the input arguments. If so, we should restrict those as well.
-void RestrictFragmentShaderTiming::enforceRestrictions(const TDependencyGraph& graph)
-{
- mNumErrors = 0;
-
- // FIXME(mvujovic): The dependency graph does not support user defined function calls right now,
- // so we generate errors for them.
- validateUserDefinedFunctionCallUsage(graph);
-
- // Starting from each sampler, traverse the dependency graph and generate an error each time we
- // hit a node where sampler dependent values are not allowed.
- for (auto samplerSymbol : graph.samplerSymbols())
- {
- clearVisited();
- samplerSymbol->traverse(this);
- }
-}
-
-void RestrictFragmentShaderTiming::validateUserDefinedFunctionCallUsage(const TDependencyGraph& graph)
-{
- for (const auto* functionCall : graph.userDefinedFunctionCalls())
- {
- beginError(functionCall->getIntermFunctionCall());
- mSink << "A call to a user defined function is not permitted.\n";
- }
-}
-
-void RestrictFragmentShaderTiming::beginError(const TIntermNode* node)
-{
- ++mNumErrors;
- mSink.prefix(EPrefixError);
- mSink.location(node->getLine());
-}
-
-bool RestrictFragmentShaderTiming::isSamplingOp(const TIntermAggregate* intermFunctionCall) const
-{
- return !intermFunctionCall->isUserDefined() &&
- mSamplingOps.find(intermFunctionCall->getName()) != mSamplingOps.end();
-}
-
-void RestrictFragmentShaderTiming::visitArgument(TGraphArgument* parameter)
-{
- // Texture cache access time might leak sensitive information.
- // Thus, we restrict sampler dependent values from affecting the coordinate or LOD bias of a
- // sampling operation.
- if (isSamplingOp(parameter->getIntermFunctionCall())) {
- switch (parameter->getArgumentNumber()) {
- case 1:
- // Second argument (coord)
- beginError(parameter->getIntermFunctionCall());
- mSink << "An expression dependent on a sampler is not permitted to be the"
- << " coordinate argument of a sampling operation.\n";
- break;
- case 2:
- // Third argument (bias)
- beginError(parameter->getIntermFunctionCall());
- mSink << "An expression dependent on a sampler is not permitted to be the"
- << " bias argument of a sampling operation.\n";
- break;
- default:
- // First argument (sampler)
- break;
- }
- }
-}
-
-void RestrictFragmentShaderTiming::visitSelection(TGraphSelection* selection)
-{
- beginError(selection->getIntermSelection());
- mSink << "An expression dependent on a sampler is not permitted in a conditional statement.\n";
-}
-
-void RestrictFragmentShaderTiming::visitLoop(TGraphLoop* loop)
-{
- beginError(loop->getIntermLoop());
- mSink << "An expression dependent on a sampler is not permitted in a loop condition.\n";
-}
-
-void RestrictFragmentShaderTiming::visitLogicalOp(TGraphLogicalOp* logicalOp)
-{
- beginError(logicalOp->getIntermLogicalOp());
- mSink << "An expression dependent on a sampler is not permitted on the left hand side of a logical "
- << logicalOp->getOpString()
- << " operator.\n";
-}