From 9e87fa7c0e52a79ad85bf32eeb71570938e357bd Mon Sep 17 00:00:00 2001
From: joshualitt <joshualitt@chromium.org>
Date: Thu, 9 Oct 2014 13:12:35 -0700
Subject: Force linking of static member variables for GLPrograms

BUG=skia:

Review URL: https://codereview.chromium.org/614163002
---
 tests/GLProgramsTest.cpp | 42 ++++++++++++++++--------------------------
 1 file changed, 16 insertions(+), 26 deletions(-)

(limited to 'tests')

diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 4d1c59734b..331ea78f8a 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -506,7 +506,22 @@ DEF_GPUTEST(GLPrograms, reporter, factory) {
         GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(type));
         if (context) {
             GrGpuGL* gpu = static_cast<GrGpuGL*>(context->getGpu());
-            int maxStages = 6;
+
+            /*
+             * For the time being, we only support the test with desktop GL or for android on
+             * ARM platforms
+             * TODO When we run ES 3.00 GLSL in more places, test again
+             */
+            int maxStages;
+            if (kGL_GrGLStandard == gpu->glStandard() ||
+                kARM_GrGLVendor == gpu->ctxInfo().vendor()) {
+                maxStages = 6;
+            } else if (kTegra3_GrGLRenderer == gpu->ctxInfo().renderer() ||
+                       kOther_GrGLRenderer == gpu->ctxInfo().renderer()) {
+                maxStages = 1;
+            } else {
+                return;
+            }
 #if SK_ANGLE
             // Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
             if (type == GrContextFactory::kANGLE_GLContextType) {
@@ -518,29 +533,4 @@ DEF_GPUTEST(GLPrograms, reporter, factory) {
     }
 }
 
-// This is evil evil evil. The linker may throw away whole translation units as dead code if it
-// thinks none of the functions are called. It will do this even if there are static initializers
-// in the unit that could pass pointers to functions from the unit out to other translation units!
-// We force some of the effects that would otherwise be discarded to link here.
-
-#include "SkAlphaThresholdFilter.h"
-#include "SkColorMatrixFilter.h"
-#include "SkLightingImageFilter.h"
-#include "SkMagnifierImageFilter.h"
-
-void forceLinking();
-
-void forceLinking() {
-    SkLightingImageFilter::CreateDistantLitDiffuse(SkPoint3(0,0,0), 0, 0, 0);
-    SkAlphaThresholdFilter::Create(SkRegion(), .5f, .5f);
-    SkAutoTUnref<SkImageFilter> mag(SkMagnifierImageFilter::Create(
-        SkRect::MakeWH(SK_Scalar1, SK_Scalar1), SK_Scalar1));
-    GrConfigConversionEffect::Create(NULL,
-                                     false,
-                                     GrConfigConversionEffect::kNone_PMConversion,
-                                     SkMatrix::I());
-    SkScalar matrix[20];
-    SkAutoTUnref<SkColorMatrixFilter> cmf(SkColorMatrixFilter::Create(matrix));
-}
-
 #endif
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