Make GPU unit tests use GrContexts of different GL types.

Review URL: https://codereview.appspot.com/7281046

git-svn-id: http://skia.googlecode.com/svn/trunk@7540 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 65 insertions, 59 deletions

diff --git a/tests/ReadWriteAlphaTest.cpp b/tests/ReadWriteAlphaTest.cpp
index eea78ce6c0..a3bf5dee98 100644
--- a/tests/ReadWriteAlphaTest.cpp
+++ b/tests/ReadWriteAlphaTest.cpp
@@ -11,97 +11,103 @@
 
 #include "Test.h"
 #include "SkGpuDevice.h"
+#include "GrContextFactory.h"
 
 static const int X_SIZE = 12;
 static const int Y_SIZE = 12;
 
-static void ReadWriteAlphaTest(skiatest::Reporter* reporter, GrContext* context) {
-
-#if SK_SCALAR_IS_FIXED
-    // GPU device known not to work in the fixed pt build.
-    return;
-#endif
+static void ReadWriteAlphaTest(skiatest::Reporter* reporter, GrContextFactory* factory) {
+    for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
+        GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
+        if (!GrContextFactory::IsRenderingGLContext(glType)) {
+            continue;
+        }
+        GrContext* context = factory->get(glType);
+        if (NULL == context) {
+            continue;
+        }
 
-    unsigned char textureData[X_SIZE][Y_SIZE];
+        unsigned char textureData[X_SIZE][Y_SIZE];
 
-    memset(textureData, 0, X_SIZE * Y_SIZE);
+        memset(textureData, 0, X_SIZE * Y_SIZE);
 
-    GrTextureDesc desc;
+        GrTextureDesc desc;
 
-    // let Skia know we will be using this texture as a render target
-    desc.fFlags     = kRenderTarget_GrTextureFlagBit;
-    // it is a single channel texture
-    desc.fConfig    = kAlpha_8_GrPixelConfig;
-    desc.fWidth     = X_SIZE;
-    desc.fHeight    = Y_SIZE;
+        // let Skia know we will be using this texture as a render target
+        desc.fFlags     = kRenderTarget_GrTextureFlagBit;
+        // it is a single channel texture
+        desc.fConfig    = kAlpha_8_GrPixelConfig;
+        desc.fWidth     = X_SIZE;
+        desc.fHeight    = Y_SIZE;
 
-    // We are initializing the texture with zeros here
-    GrTexture* texture = context->createUncachedTexture(desc, textureData, 0);
-    if (!texture) {
-        return;
-    }
+        // We are initializing the texture with zeros here
+        GrTexture* texture = context->createUncachedTexture(desc, textureData, 0);
+        if (!texture) {
+            return;
+        }
 
-    GrAutoUnref au(texture);
+        GrAutoUnref au(texture);
 
-    // create a distinctive texture
-    for (int y = 0; y < Y_SIZE; ++y) {
-        for (int x = 0; x < X_SIZE; ++x) {
-            textureData[x][y] = x*Y_SIZE+y;
+        // create a distinctive texture
+        for (int y = 0; y < Y_SIZE; ++y) {
+            for (int x = 0; x < X_SIZE; ++x) {
+                textureData[x][y] = x*Y_SIZE+y;
+            }
         }
-    }
 
-    // upload the texture
-    texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
-                         textureData, 0);
+        // upload the texture
+        texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
+                             textureData, 0);
 
-    unsigned char readback[X_SIZE][Y_SIZE];
+        unsigned char readback[X_SIZE][Y_SIZE];
 
-    // clear readback to something non-zero so we can detect readback failures
-    memset(readback, 0x1, X_SIZE * Y_SIZE);
+        // clear readback to something non-zero so we can detect readback failures
+        memset(readback, 0x1, X_SIZE * Y_SIZE);
 
-    // read the texture back
-    texture->readPixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
-                        readback, 0);
+        // read the texture back
+        texture->readPixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
+                            readback, 0);
 
-    // make sure the original & read back versions match
-    bool match = true;
+        // make sure the original & read back versions match
+        bool match = true;
 
-    for (int y = 0; y < Y_SIZE; ++y) {
-        for (int x = 0; x < X_SIZE; ++x) {
-            if (textureData[x][y] != readback[x][y]) {
-                match = false;
+        for (int y = 0; y < Y_SIZE; ++y) {
+            for (int x = 0; x < X_SIZE; ++x) {
+                if (textureData[x][y] != readback[x][y]) {
+                    match = false;
+                }
             }
         }
-    }
 
-    REPORTER_ASSERT(reporter, match);
+        REPORTER_ASSERT(reporter, match);
 
-    // Now try writing on the single channel texture
-    SkAutoTUnref<SkDevice> device(new SkGpuDevice(context, texture->asRenderTarget()));
-    SkCanvas canvas(device);
+        // Now try writing on the single channel texture
+        SkAutoTUnref<SkDevice> device(new SkGpuDevice(context, texture->asRenderTarget()));
+        SkCanvas canvas(device);
 
-    SkPaint paint;
+        SkPaint paint;
 
-    const SkRect rect = SkRect::MakeLTRB(-10, -10, X_SIZE + 10, Y_SIZE + 10);
+        const SkRect rect = SkRect::MakeLTRB(-10, -10, X_SIZE + 10, Y_SIZE + 10);
 
-    paint.setColor(SK_ColorWHITE);
+        paint.setColor(SK_ColorWHITE);
 
-    canvas.drawRect(rect, paint);
+        canvas.drawRect(rect, paint);
 
-    texture->readPixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
-                        readback, 0);
+        texture->readPixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
+                            readback, 0);
 
-    match = true;
+        match = true;
 
-    for (int y = 0; y < Y_SIZE; ++y) {
-        for (int x = 0; x < X_SIZE; ++x) {
-            if (0xFF != readback[x][y]) {
-                match = false;
+        for (int y = 0; y < Y_SIZE; ++y) {
+            for (int x = 0; x < X_SIZE; ++x) {
+                if (0xFF != readback[x][y]) {
+                    match = false;
+                }
             }
         }
-    }
 
-    REPORTER_ASSERT(reporter, match);
+        REPORTER_ASSERT(reporter, match);
+    }
 }
 
 #ifndef SK_BUILD_FOR_ANDROID