1 files changed, 0 insertions, 98 deletions
diff --git a/libs/gui/GLConsumer.cpp b/libs/gui/GLConsumer.cpp
index faf02f3b53..8d66154bdd 100644
--- a/libs/gui/GLConsumer.cpp
+++ b/libs/gui/GLConsumer.cpp
@@ -745,104 +745,6 @@ void GLConsumer::computeCurrentTransformMatrixLocked() {
         mCurrentTransform, mFilteringEnabled);
 }
 
-void GLConsumer::computeTransformMatrix(float outTransform[16],
-        const sp<GraphicBuffer>& buf, const Rect& cropRect, uint32_t transform,
-        bool filtering) {
-    // Transform matrices
-    static const mat4 mtxFlipH(
-        -1, 0, 0, 0,
-        0, 1, 0, 0,
-        0, 0, 1, 0,
-        1, 0, 0, 1
-    );
-    static const mat4 mtxFlipV(
-        1, 0, 0, 0,
-        0, -1, 0, 0,
-        0, 0, 1, 0,
-        0, 1, 0, 1
-    );
-    static const mat4 mtxRot90(
-        0, 1, 0, 0,
-        -1, 0, 0, 0,
-        0, 0, 1, 0,
-        1, 0, 0, 1
-    );
-
-    mat4 xform;
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
-        xform *= mtxFlipH;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
-        xform *= mtxFlipV;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        xform *= mtxRot90;
-    }
-
-    if (!cropRect.isEmpty()) {
-        float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
-        float bufferWidth = buf->getWidth();
-        float bufferHeight = buf->getHeight();
-        float shrinkAmount = 0.0f;
-        if (filtering) {
-            // In order to prevent bilinear sampling beyond the edge of the
-            // crop rectangle we may need to shrink it by 2 texels in each
-            // dimension.  Normally this would just need to take 1/2 a texel
-            // off each end, but because the chroma channels of YUV420 images
-            // are subsampled we may need to shrink the crop region by a whole
-            // texel on each side.
-            switch (buf->getPixelFormat()) {
-                case PIXEL_FORMAT_RGBA_8888:
-                case PIXEL_FORMAT_RGBX_8888:
-                case PIXEL_FORMAT_RGBA_FP16:
-                case PIXEL_FORMAT_RGBA_1010102:
-                case PIXEL_FORMAT_RGB_888:
-                case PIXEL_FORMAT_RGB_565:
-                case PIXEL_FORMAT_BGRA_8888:
-                    // We know there's no subsampling of any channels, so we
-                    // only need to shrink by a half a pixel.
-                    shrinkAmount = 0.5;
-                    break;
-
-                default:
-                    // If we don't recognize the format, we must assume the
-                    // worst case (that we care about), which is YUV420.
-                    shrinkAmount = 1.0;
-                    break;
-            }
-        }
-
-        // Only shrink the dimensions that are not the size of the buffer.
-        if (cropRect.width() < bufferWidth) {
-            tx = (float(cropRect.left) + shrinkAmount) / bufferWidth;
-            sx = (float(cropRect.width()) - (2.0f * shrinkAmount)) /
-                    bufferWidth;
-        }
-        if (cropRect.height() < bufferHeight) {
-            ty = (float(bufferHeight - cropRect.bottom) + shrinkAmount) /
-                    bufferHeight;
-            sy = (float(cropRect.height()) - (2.0f * shrinkAmount)) /
-                    bufferHeight;
-        }
-
-        mat4 crop(
-            sx, 0, 0, 0,
-            0, sy, 0, 0,
-            0, 0, 1, 0,
-            tx, ty, 0, 1
-        );
-        xform = crop * xform;
-    }
-
-    // GLConsumer uses the GL convention where (0, 0) is the bottom-left
-    // corner and (1, 1) is the top-right corner.  Add an additional vertical
-    // flip after all other transforms to map from GL convention to buffer
-    // queue memory layout, where (0, 0) is the top-left corner.
-    xform = mtxFlipV * xform;
-
-    memcpy(outTransform, xform.asArray(), sizeof(xform));
-}
-
 Rect GLConsumer::scaleDownCrop(const Rect& crop, uint32_t bufferWidth, uint32_t bufferHeight) {
     Rect outCrop = crop;