Revert of Turned on SkSL->GLSL compiler (patchset #41 id:880001 of https://codereview.chromium.org/2288033003/ )

Reason for revert:
1) Chromium roll failures: https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_rel_ng/builds/307297/steps/screenshot_sync_tests%20on%20NVIDIA%20GPU%20on%20Linux%20%28with%20patch%29%20on%20Linux/logs/stdio

2) G3 roll failures

3) iOS failures: https://uberchromegw.corp.google.com/i/client.skia/builders/Perf-iOS-Clang-iPad4-GPU-SGX554-Arm7-Release/builds/7177/steps/perf_skia%20on%20iOS-9.2/logs/stdio

Original issue's description:
> Turned on SkSL->GLSL compiler
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288033003
>
> Committed: https://skia.googlesource.com/skia/+/9b0fe3d125f237d9884732a48414fa85fc71b4e3
> Committed: https://skia.googlesource.com/skia/+/b12b3c6908c62c908b3680be01e3b5bfd30de310
> Committed: https://skia.googlesource.com/skia/+/f008b0a59f45c0d4bea3e66faf3b01805009ec89

TBR=benjaminwagner@google.com,bsalomon@google.com,egdaniel@google.com,ethannicholas@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2387643003

1 files changed, 9 insertions, 43 deletions

diff --git a/src/sksl/SkSLMain.cpp b/src/sksl/SkSLMain.cpp
index de1b9819d5..24fbb6c260 100644
--- a/src/sksl/SkSLMain.cpp
+++ b/src/sksl/SkSLMain.cpp
@@ -9,24 +9,6 @@
 #include <fstream>
 #include "SkSLCompiler.h"
 
-bool endsWith(const std::string& s, const std::string& ending) {
-    if (s.length() >= ending.length()) {
-        return (0 == s.compare(s.length() - ending.length(), ending.length(), ending));
-    }
-    return false;
-}
-
-static SkSL::GLCaps default_caps() {
-    return { 
-             400, 
-             SkSL::GLCaps::kGL_Standard,
-             false, // isCoreProfile
-             false, // usesPrecisionModifiers;
-             false, // mustDeclareFragmentShaderOutput
-             true   // canUseMinAndAbsTogether
-           };
-}
-
 /**
  * Very simple standalone executable to facilitate testing.
  */
@@ -53,30 +35,14 @@ int main(int argc, const char** argv) {
         printf("error reading '%s'\n", argv[1]);
         exit(2);
     }
-    std::string name(argv[2]);
-    if (endsWith(name, ".spirv")) {
-        std::ofstream out(argv[2], std::ofstream::binary);
-        SkSL::Compiler compiler;
-        if (!compiler.toSPIRV(kind, text, out)) {
-            printf("%s", compiler.errorText().c_str());
-            exit(3);
-        }
-        if (out.rdstate()) {
-            printf("error writing '%s'\n", argv[2]);
-            exit(4);
-        }
-    } else if (endsWith(name, ".glsl")) {
-        std::ofstream out(argv[2], std::ofstream::binary);
-        SkSL::Compiler compiler;
-        if (!compiler.toGLSL(kind, text, default_caps(), out)) {
-            printf("%s", compiler.errorText().c_str());
-            exit(3);
-        }
-        if (out.rdstate()) {
-            printf("error writing '%s'\n", argv[2]);
-            exit(4);
-        }
-    } else {
-        printf("expected output filename to end with '.spirv' or '.glsl'");
+    std::ofstream out(argv[2], std::ofstream::binary);
+    SkSL::Compiler compiler;
+    if (!compiler.toSPIRV(kind, text, out)) {
+        printf("%s", compiler.errorText().c_str());
+        exit(3);
+    }
+    if (out.rdstate()) {
+        printf("error writing '%s'\n", argv[2]);
+        exit(4);
     }
 }